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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SegmentAndRelatedInformationAbstract_lbl" xml:lang="en-US">Segment and related information.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueMeasurementsAbstract_lbl" xml:lang="en-US">Fair value measurements.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinorityInterest_lbl" xml:lang="en-US">Stockholders' Equity Attributable to Noncontrolling Interest</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US">Total assets</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US">Other Assets, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US">Other assets</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_Goodwill_lbl" xml:lang="en-US">Goodwill, beginning balance</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Goodwill_lbl" xml:lang="en-US">Goodwill</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US">Property, Plant and Equipment, Net, Beginning Balance</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsCurrent" xlink:to="us-gaap_OtherAssetsCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xml:lang="en-US">Other Assets, Current</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNetCurrent" xlink:to="us-gaap_DeferredTaxAssetsNetCurrent_lbl" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Supplies" xlink:to="us-gaap_Supplies_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Supplies_lbl" xml:lang="en-US">Parts and supplies</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="us-gaap_AccountsReceivableNetCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xml:lang="en-US">Accounts Receivable, Net, Current</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US">Cash and cash equivalents</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US">Current assets:</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xml:lang="en-US">Allowance for doubtful accounts</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US">Accumulated depreciation and amortization</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xml:lang="en-US">Common Stock, Par or Stated Value Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xml:lang="en-US">Common stock par value per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xml:lang="en-US">Common stock, par value</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US">Common Stock, Shares Authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US">Common stock shares authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US">Common stock, shares authorized</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US">Common Stock, Shares, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US">Common stock shares issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US">Common stock, shares issued</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="us-gaap_TreasuryStockShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockShares" xlink:to="us-gaap_TreasuryStockShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US">Treasury Stock, Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US">Treasury Stock, Shares, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US">Treasury Stock, Shares, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US">Treasury stock, shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US">Net Income (Loss) Attributable to Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US">Net income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US">Net income attributable to Waste Management, Inc.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US">Net income attributable to Waste Management, Inc.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Income Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Provision for income taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Provision for (benefit from) income taxes</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpense" xlink:to="us-gaap_OtherNonoperatingIncomeExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US">Other Nonoperating Income (Expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US">Other, net</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US">Operating Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US">Income from operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US">Income from operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US">Revenues recognized by Oakleaf</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingCostsAndExpensesAbstract" xlink:label="us-gaap_OperatingCostsAndExpensesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingCostsAndExpensesAbstract" xlink:to="us-gaap_OperatingCostsAndExpensesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingCostsAndExpensesAbstract_lbl" xml:lang="en-US">Costs and expenses:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpense" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xml:lang="en-US">Selling, general and administrative</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="us-gaap_CostsAndExpenses" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US">Total costs and expenses</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasic" xlink:to="us-gaap_EarningsPerShareBasic_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xml:lang="en-US">Earnings Per Share, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xml:lang="en-US">Basic earnings per common share</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xml:lang="en-US">Earnings Per Share, Diluted</label>
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_InterestAccretionOnAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets" xlink:label="wm_InterestAccretionOnAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InterestAccretionOnAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets_lbl" xml:lang="en-US">Interest Accretion on and Discount Rate Adjustments to Environmental Remediation Liabilities and Recovery Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InterestAccretionOnAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets_lbl" xml:lang="en-US">Interest accretion on and discount rate adjustments to environmental remediation liabilities and recovery assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xml:lang="en-US">Increase (decrease) in cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xml:lang="en-US">Increase (decrease) in cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_lbl" xml:lang="en-US">Effect of Exchange Rate on Cash and Cash Equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_lbl" xml:lang="en-US">Effect of exchange rate changes on cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_lbl" xml:lang="en-US">Effect of exchange rate changes on cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US">Net cash used in financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US">Net cash provided by (used in) financing activities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:to="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xml:lang="en-US">Proceeds from (Payments for) Other Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xml:lang="en-US">Other</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:to="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_lbl" xml:lang="en-US">Excess tax benefits associated with equity-based transactions</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="us-gaap_ProceedsFromStockOptionsExercised" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromStockOptionsExercised" xlink:to="us-gaap_ProceedsFromStockOptionsExercised_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xml:lang="en-US">Proceeds from Stock Options Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xml:lang="en-US">Cash proceeds received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xml:lang="en-US">Exercise of common stock options</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US">Payments for Repurchase of Common Stock</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US">Common stock repurchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US">Repurchase of common stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US">Common stock repurchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US">Common stock repurchases</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from financing activities:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US">Net cash used in investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US">Net cash provided by (used in) investing activities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:to="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US">Payments for (Proceeds from) Other Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US">Other</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInRestrictedCash" xlink:to="us-gaap_IncreaseDecreaseInRestrictedCash_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash_lbl" xml:lang="en-US">Net receipts from restricted trust and escrow accounts</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from investing activities:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US">Net cash provided by operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US">Net cash provided by (used in) operating activities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xml:lang="en-US">Change in operating assets and liabilities, net of effects of acquisitions and divestitures:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:to="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_lbl" xml:lang="en-US">Excess tax benefits associated with equity-based transactions</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:to="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US">Gain (Loss) on Sale of Property Plant Equipment</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US">Net gain on disposal of assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US">Net gain on disposal of assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US">Net gain on disposal of assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US">Equity-based compensation expense</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="us-gaap_ProvisionForDoubtfulAccounts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProvisionForDoubtfulAccounts" xlink:to="us-gaap_ProvisionForDoubtfulAccounts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xml:lang="en-US">Provision for bad debts</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred Income Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred income tax benefits included in provision for income taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred income tax (benefit) provision</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from operating activities:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharesIssued_lbl" xml:lang="en-US">Shares, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharesIssued_lbl" xml:lang="en-US">Ending balance, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharesIssued_lbl" xml:lang="en-US">Beginning balance, shares</label>
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    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_lbl" xml:lang="en-US">Realized losses on derivative instruments reclassified into earnings, net of taxes of $17</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_lbl" xml:lang="en-US">Other Comprehensive Income, Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_lbl" xml:lang="en-US">Unrealized losses resulting from changes in fair value of derivative instruments, net of taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_lbl" xml:lang="en-US">Unrealized losses resulting from changes in fair value of derivative instruments, net of taxes of $13, $28 and $20 for the year 2009, 2010 and 2011 respectively</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ComprehensiveIncomeMember_lbl" xml:lang="en-US">Comprehensive Income</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RetainedEarningsMember_lbl" xml:lang="en-US">Retained Earnings</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="us-gaap_TreasuryStockMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockMember" xlink:to="us-gaap_TreasuryStockMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockMember_lbl" xml:lang="en-US">Treasury Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_TreasuryStockMember_lbl" xml:lang="en-US">Treasury Stock</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xml:lang="en-US">Additional Paid-in Capital [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xml:lang="en-US">Additional Paid-In Capital</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockMember_lbl" xml:lang="en-US">Common Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockMember_lbl" xml:lang="en-US">Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_InterestAccretionOnAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets_lbl" xml:lang="en-US">Interest accretion on and discount rate adjustments to environmental remediation liabilities and recovery assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax_lbl" xml:lang="en-US">Other Comprehensive Income, Reclassification Adjustment on Derivatives Included in Net Income, Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax_lbl" xml:lang="en-US">Tax effects on realized (gains) losses on realized gains on derivative instruments reclassified into earnings</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_lbl" xml:lang="en-US">Other Comprehensive Income, Unrealized Gain (Loss) on Derivatives Arising During Period, Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_lbl" xml:lang="en-US">Taxes on accumulated unrealized loss on derivative instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_lbl" xml:lang="en-US">Tax effects on unrealized gains (losses) unrealized losses resulting from changes in fair values of derivative instruments</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="us-gaap_NoncontrollingInterestMember" />
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_InterestAccretionOnLandfillLiabilities" xlink:label="wm_InterestAccretionOnLandfillLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_InterestAccretionOnLandfillLiabilities" xlink:to="wm_InterestAccretionOnLandfillLiabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InterestAccretionOnLandfillLiabilities_lbl" xml:lang="en-US">Interest Accretion on Landfill Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_InterestAccretionOnLandfillLiabilities_lbl" xml:lang="en-US">Interest accretion on landfill liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InterestAccretionOnLandfillLiabilities_lbl" xml:lang="en-US">Interest accretion on landfill liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_InterestAccretionOnLandfillLiabilities_lbl" xml:lang="en-US">Interest accretion</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" xlink:label="us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" />
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    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_lbl" xml:lang="en-US">Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_lbl" xml:lang="en-US">Receivables</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xml:lang="en-US">Selling, general and administrative</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies" xlink:to="wm_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies_lbl" xml:lang="en-US">Accrued Capping Closure and Post Closure Costs and Environmental Loss Contingencies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies_lbl" xml:lang="en-US">Landfill and environmental remediation liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies_lbl" xml:lang="en-US">The estimated amount of costs required as of the balance sheet date to comply with regulatory requirements pertaining to the retirement of an asset, which will be paid after one year or beyond the normal operating cycle, if longer. Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementTable_lbl" xml:lang="en-US">Statement [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementLineItems_lbl" xml:lang="en-US">Statement [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US">Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US">Assets, Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherReceivables_lbl" xml:lang="en-US">Other Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Supplies_lbl" xml:lang="en-US">Supplies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US">Assets, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xml:lang="en-US">Intangible Assets, Net (Excluding Goodwill)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US">Liabilities and Stockholders' Equity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US">Liabilities, Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xml:lang="en-US">Accounts Payable, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xml:lang="en-US">Accrued Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US">Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilitiesNoncurrent_lbl" xml:lang="en-US">Deferred Tax Liabilities, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US">Common Stock, Value, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xml:lang="en-US">Additional Paid in Capital, Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US">Liabilities and Stockholders' Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xml:lang="en-US">Allowance for Doubtful Accounts Receivable, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingCostsAndExpensesAbstract_lbl" xml:lang="en-US">Operating Costs and Expenses [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US">Costs and Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xml:lang="en-US">Provision for Doubtful Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US">Increase (Decrease) in Accounts Payable and Accrued Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_lbl" xml:lang="en-US">Proceeds from Issuance of Long-term Debt and Capital Securities, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_lbl" xml:lang="en-US">Excess Tax Benefit from Share-based Compensation, Financing Activities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xml:lang="en-US">Statement, Equity Components [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_EquityComponentDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityComponentDomain_lbl" xml:lang="en-US">Equity Component [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ParentMember" xlink:label="us-gaap_ParentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ParentMember" xlink:to="us-gaap_ParentMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ParentMember_lbl" xml:lang="en-US">Parent [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Adjustments to reconcile consolidated net income to net cash provided by operating activities:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="us-gaap_DividendsCommonStockCash" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsCommonStockCash" xlink:to="us-gaap_DividendsCommonStockCash_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xml:lang="en-US">Dividends, Common Stock, Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xml:lang="en-US">Cash dividends declared and paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xml:lang="en-US">Cash dividends declared</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets" xlink:label="wm_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets" xlink:to="wm_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets_lbl" xml:lang="en-US">Depreciation Depletion and Amortization Associated with Property Plant and Equipment and Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets_lbl" xml:lang="en-US">Depreciation and amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets_lbl" xml:lang="en-US">Depreciation, depletion and amortization associated with property plant and equipment and intangible assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets_lbl" xml:lang="en-US">Depreciation and amortization expense</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_InterestAndOtherIncomeExpenseAbstract" xlink:label="wm_InterestAndOtherIncomeExpenseAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_InterestAndOtherIncomeExpenseAbstract" xlink:to="wm_InterestAndOtherIncomeExpenseAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InterestAndOtherIncomeExpenseAbstract_lbl" xml:lang="en-US">Interest and other Income Expense [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_InterestAndOtherIncomeExpenseAbstract_lbl" xml:lang="en-US">Other income (expense):</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InterestAndOtherIncomeExpenseAbstract_lbl" xml:lang="en-US">Interest and other income (expense).</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestAndDebtExpense" xlink:label="us-gaap_InterestAndDebtExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestAndDebtExpense" xlink:to="us-gaap_InterestAndDebtExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xml:lang="en-US">Interest and Debt Expense</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xml:lang="en-US">Interest expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xml:lang="en-US">Recognized interest expense related to investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xml:lang="en-US">Interest expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xml:lang="en-US">Interest expense</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncreaseDecreaseInOtherAssetsCurrent" xlink:label="wm_IncreaseDecreaseInOtherAssetsCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncreaseDecreaseInOtherAssetsCurrent" xlink:to="wm_IncreaseDecreaseInOtherAssetsCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncreaseDecreaseInOtherAssetsCurrent_lbl" xml:lang="en-US">Increase Decrease in other Assets Current</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="wm_IncreaseDecreaseInOtherAssetsCurrent_lbl" xml:lang="en-US">Other current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncreaseDecreaseInOtherAssetsCurrent_lbl" xml:lang="en-US">Increase (decrease) in other assets, current.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncreaseDecreaseInOtherAssetsCurrent_lbl" xml:lang="en-US">Other current assets</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncreaseDecreaseInOtherAssetsNonCurrent" xlink:label="wm_IncreaseDecreaseInOtherAssetsNonCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncreaseDecreaseInOtherAssetsNonCurrent" xlink:to="wm_IncreaseDecreaseInOtherAssetsNonCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncreaseDecreaseInOtherAssetsNonCurrent_lbl" xml:lang="en-US">Increase Decrease in other Assets Non current</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="wm_IncreaseDecreaseInOtherAssetsNonCurrent_lbl" xml:lang="en-US">Other assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncreaseDecreaseInOtherAssetsNonCurrent_lbl" xml:lang="en-US">Increase (decrease) in other assets, non-current.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncreaseDecreaseInOtherAssetsNonCurrent_lbl" xml:lang="en-US">Other assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" xml:lang="en-US">Increase (Decrease) in Other Operating Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" xml:lang="en-US">Deferred revenues and other liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireProductiveAssets" xlink:to="us-gaap_PaymentsToAcquireProductiveAssets_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xml:lang="en-US">Capital expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xml:lang="en-US">Payments to Acquire Productive Assets, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xml:lang="en-US">Payments to Acquire Productive Assets</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets" xlink:label="wm_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets" xlink:to="wm_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets_lbl" xml:lang="en-US">Proceeds from Divestitures of Businesses and other Sales of Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets_lbl" xml:lang="en-US">Proceeds from divestitures of businesses (net of cash divested) and other sales of assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets_lbl" xml:lang="en-US">This element represents the cash inflow during the period from the sale of businesses and other assets.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromPaymentsToMinorityShareholders" xlink:label="us-gaap_ProceedsFromPaymentsToMinorityShareholders" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xml:lang="en-US">Accumulated unrealized gain on available-for-sale securities, net of taxes of $1 for 2011, $3 for 2010 and $1 for 2009</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:to="lab_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xml:lang="en-US">Foreign currency translation adjustments</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueMeasurementsDetailsAbstract" xlink:label="wm_FairValueMeasurementsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueMeasurementsDetailsAbstract" xlink:to="wm_FairValueMeasurementsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueMeasurementsDetailsAbstract_lbl" xml:lang="en-US">Fair Value Measurements (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueMeasurementsDetailsAbstract_lbl" xml:lang="en-US">Fair value measurements.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:to="lab_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xml:lang="en-US">Fair value of assets and liabilities on a recurring basis:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="us-gaap_DebtAndCapitalLeaseObligations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtAndCapitalLeaseObligations" xlink:to="lab_DebtAndCapitalLeaseObligations" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DebtAndCapitalLeaseObligations" xml:lang="en-US">Debt and Capital Lease Obligations, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_DebtAndCapitalLeaseObligations" xml:lang="en-US">Carrying value of debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtAndCapitalLeaseObligations" xml:lang="en-US">Debt and Capital Lease Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtAndCapitalLeaseObligations" xml:lang="en-US">Carrying value of debt</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="lab_FairValueInputsLevel1Member" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueInputsLevel1Member" xml:lang="en-US">Fair Value, Inputs, Level 1 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueInputsLevel1Member" xml:lang="en-US">Quoted Prices in Active Markets (Level 1) [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="lab_FairValueInputsLevel2Member" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueInputsLevel2Member" xml:lang="en-US">Fair Value, Inputs, Level 2 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueInputsLevel2Member" xml:lang="en-US">Significant Other Observable Inputs (Level 2) [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="lab_FairValueInputsLevel3Member" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueInputsLevel3Member" xml:lang="en-US">Fair Value, Inputs, Level 3 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueInputsLevel3Member" xml:lang="en-US">Significant Unobservable Inputs (Level 3) [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="us-gaap_LiabilitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAbstract" xlink:to="lab_LiabilitiesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LiabilitiesAbstract" xml:lang="en-US">Liabilities:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LiabilitiesAbstract" xml:lang="en-US">Liabilities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US">Assets:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:to="lab_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesAbstract" xlink:label="us-gaap_DerivativeInstrumentsAndHedgesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsAndHedgesAbstract" xlink:to="lab_DerivativeInstrumentsAndHedgesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsAndHedgesAbstract" xml:lang="en-US">Derivative Instruments and Hedging Activities [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xlink:to="lab_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension and Other Postretirement Plans, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xml:lang="en-US">Funded status of post-retirement benefit obligations, net of taxes of $9 for 2011, $4 for 2010 and $1 for 2009</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis" xlink:label="us-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis" xlink:to="lab_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis" xml:lang="en-US">Derivative Instruments, Gain (Loss) by Derivative Instrument Risk [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="us-gaap_DerivativeContractTypeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="lab_DerivativeContractTypeDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeContractTypeDomain" xml:lang="en-US">Derivative Contract Type [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="us-gaap_InterestRateContractMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRateContractMember" xlink:to="lab_InterestRateContractMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestRateContractMember" xml:lang="en-US">Interest Rate Contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestRateContractMember" xml:lang="en-US">Interest rate derivatives [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="us-gaap_ForeignExchangeContractMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignExchangeContractMember" xlink:to="lab_ForeignExchangeContractMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ForeignExchangeContractMember" xml:lang="en-US">Foreign Exchange Contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ForeignExchangeContractMember" xml:lang="en-US">Foreign currency derivatives [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract" xlink:to="wm_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract_lbl" xml:lang="en-US">Landfill and Environmental Remediation Liabilities (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract_lbl" xml:lang="en-US">Landfill and environmental remediation liabilities.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EarningsPerShareTablesAbstract" xlink:label="wm_EarningsPerShareTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EarningsPerShareTablesAbstract" xlink:to="wm_EarningsPerShareTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EarningsPerShareTablesAbstract_lbl" xml:lang="en-US">Earnings Per Share (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EarningsPerShareTablesAbstract_lbl" xml:lang="en-US">Earnings per share.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CondensedConsolidatingFinancialStatementsTablesAbstract" xlink:label="wm_CondensedConsolidatingFinancialStatementsTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CondensedConsolidatingFinancialStatementsTablesAbstract" xlink:to="wm_CondensedConsolidatingFinancialStatementsTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CondensedConsolidatingFinancialStatementsTablesAbstract_lbl" xml:lang="en-US">Condensed Consolidating Financial Statements (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CondensedConsolidatingFinancialStatementsTablesAbstract_lbl" xml:lang="en-US">Condensed consolidating financial statements.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:to="lab_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xml:lang="en-US">Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xml:lang="en-US">Fair values of derivative instruments recorded in balance sheet</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CondensedConsolidatingFinancialStatementsDetailsAbstract" xlink:label="wm_CondensedConsolidatingFinancialStatementsDetailsAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CondensedConsolidatingFinancialStatementsDetailsAbstract_lbl" xml:lang="en-US">Condensed Consolidating Financial Statements (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CondensedConsolidatingFinancialStatementsDetailsAbstract_lbl" xml:lang="en-US">Condensed consolidating financial statements.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EarningsPerShareDetailsAbstract" xlink:label="wm_EarningsPerShareDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EarningsPerShareDetailsAbstract" xlink:to="wm_EarningsPerShareDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EarningsPerShareDetailsAbstract_lbl" xml:lang="en-US">Earnings Per Share (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EarningsPerShareDetailsAbstract_lbl" xml:lang="en-US">Earnings per share.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" xlink:to="wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract_lbl" xml:lang="en-US">Landfill and Environmental Remediation Liabilities (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract_lbl" xml:lang="en-US">Landfill and environmental remediation liabilities.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:label="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract_lbl" xml:lang="en-US">Changes to Landfill and Environmental Remediation Liabilities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract_lbl" xml:lang="en-US">Changes to landfill and environmental remediation liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract_lbl" xml:lang="en-US">Changes to landfill and environmental remediation liabilities.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Weighted average basic common shares outstanding</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="lab_WeightedAverageNumberOfDilutedSharesOutstanding" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Weighted average diluted common shares outstanding</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="lab_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xml:lang="en-US">Number of anti-dilutive potentially issuable shares excluded from diluted common shares outstanding</label>
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_InterestIncomeExpense" xlink:label="wm_InterestIncomeExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_InterestIncomeExpense" xlink:to="wm_InterestIncomeExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InterestIncomeExpense_lbl" xml:lang="en-US">Interest Income Expense</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="wm_InterestIncomeExpense_lbl" xml:lang="en-US">Interest income (expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_InterestIncomeExpense_lbl" xml:lang="en-US">Interest income (expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InterestIncomeExpense_lbl" xml:lang="en-US">Interest income (expense).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US">Costs and expenses</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ParentCompanyMember" xlink:to="lab_ParentCompanyMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ParentCompanyMember" xml:lang="en-US">Parent Company [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ParentCompanyMember" xml:lang="en-US">WM [Member]</label>
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DistributionsPaidToNoncontrollingInterestsAndOther" xlink:label="wm_DistributionsPaidToNoncontrollingInterestsAndOther" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DistributionsPaidToNoncontrollingInterestsAndOther_lbl" xml:lang="en-US">Distributions paid to noncontrolling interests and other.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SubsidiariesMember" xlink:label="us-gaap_SubsidiariesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsidiariesMember" xlink:to="lab_SubsidiariesMember" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NonGuarantorSubsidiariesMember" xlink:label="us-gaap_NonGuarantorSubsidiariesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonGuarantorSubsidiariesMember" xlink:to="lab_NonGuarantorSubsidiariesMember" />
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract" xlink:label="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract" xlink:to="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract_lbl" xml:lang="en-US">Liabilities for Landfill and Environmental Remediation Costs [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract_lbl" xml:lang="en-US">Liabilities for landfill and environmental remediation costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract_lbl" xml:lang="en-US">Liabilities for landfill and environmental remediation costs.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PotentiallyIssuableShares" xlink:label="wm_PotentiallyIssuableShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PotentiallyIssuableShares" xlink:to="wm_PotentiallyIssuableShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PotentiallyIssuableShares_lbl" xml:lang="en-US">Potentially Issuable Shares</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PotentiallyIssuableShares_lbl" xml:lang="en-US">Potentially issuable shares.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:to="lab_WeightedAverageNumberDilutedSharesOutstandingAdjustment" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xml:lang="en-US">Weighted Average Number Diluted Shares Outstanding Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xml:lang="en-US">Dilutive effect of equity-based compensation awards and other contingently issuable shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GuarantorSubsidiariesMember" xlink:label="us-gaap_GuarantorSubsidiariesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuarantorSubsidiariesMember" xlink:to="lab_GuarantorSubsidiariesMember" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:to="lab_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xml:lang="en-US">Other adjustments</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeAssetsLiabilitiesAtFairValueNetByBalanceSheetClassificationAbstract" xlink:label="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNetByBalanceSheetClassificationAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeAssetsLiabilitiesAtFairValueNetByBalanceSheetClassificationAbstract" xml:lang="en-US">Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeAssetsLiabilitiesAtFairValueNetByBalanceSheetClassificationAbstract" xml:lang="en-US">Fair values of derivative instruments recorded in Balance Sheet</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestExpenseMember" xlink:label="us-gaap_InterestExpenseMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseMember" xlink:to="lab_InterestExpenseMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestExpenseMember" xml:lang="en-US">Interest expense [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ImpactOfPeriodicSettlementsOfActiveSwapAgreementsAndImpactOfTerminatedSwapAgreementsAbstract" xlink:label="wm_ImpactOfPeriodicSettlementsOfActiveSwapAgreementsAndImpactOfTerminatedSwapAgreementsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ImpactOfPeriodicSettlementsOfActiveSwapAgreementsAndImpactOfTerminatedSwapAgreementsAbstract" xlink:to="wm_ImpactOfPeriodicSettlementsOfActiveSwapAgreementsAndImpactOfTerminatedSwapAgreementsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ImpactOfPeriodicSettlementsOfActiveSwapAgreementsAndImpactOfTerminatedSwapAgreementsAbstract_lbl" xml:lang="en-US">Impact of periodic settlements of active swap agreements and the impact of terminated swap agreements [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ImpactOfPeriodicSettlementsOfActiveSwapAgreementsAndImpactOfTerminatedSwapAgreementsAbstract_lbl" xml:lang="en-US">Impact of periodic settlements of active swap agreements and the impact of terminated swap agreements on our results of operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ImpactOfPeriodicSettlementsOfActiveSwapAgreementsAndImpactOfTerminatedSwapAgreementsAbstract_lbl" xml:lang="en-US">Impact of periodic settlements of active swap agreements and the impact of terminated swap agreements on our results of operations.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxAbstract" xlink:label="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxAbstract_lbl" xml:lang="en-US">Impacts of foreign currency cash flow derivatives on results of operations and comprehensive income, pre-tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxAbstract_lbl" xml:lang="en-US">Impacts of foreign currency cash flow derivatives on results of operations and comprehensive income, pre-tax.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xml:lang="en-US">Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xml:lang="en-US">Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xml:lang="en-US">Derivative Gain or (Loss) Recognized in OCI (Effective Portion)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:label="us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xml:lang="en-US">Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xml:lang="en-US">Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xml:lang="en-US">Derivative Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_OtherIncomeExpenseMember" xlink:label="wm_OtherIncomeExpenseMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OtherIncomeExpenseMember" xlink:to="wm_OtherIncomeExpenseMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OtherIncomeExpenseMember_lbl" xml:lang="en-US">Other Income (Expense) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_OtherIncomeExpenseMember_lbl" xml:lang="en-US">Other income (expense) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OtherIncomeExpenseMember_lbl" xml:lang="en-US">Other income (expense).</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MaximumLengthOfTimeHedgedInCashFlowHedge" xlink:label="us-gaap_MaximumLengthOfTimeHedgedInCashFlowHedge" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaximumLengthOfTimeHedgedInCashFlowHedge" xlink:to="lab_MaximumLengthOfTimeHedgedInCashFlowHedge" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MaximumLengthOfTimeHedgedInCashFlowHedge" xml:lang="en-US">Maximum term of cash flows hedged with treasury rate locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MaximumLengthOfTimeHedgedInCashFlowHedge" xml:lang="en-US">Maximum Length of Time Hedged in Cash Flow Hedge</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" xlink:label="us-gaap_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" xml:lang="en-US">Derivative Instruments, Gain (Loss) by Income Statement Location [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xlink:label="us-gaap_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xlink:to="lab_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xml:lang="en-US">Income Statement and Other Comprehensive Income Location [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeAssetDesignatedAsHedgingInstrumentFairValue" xlink:label="us-gaap_DerivativeAssetDesignatedAsHedgingInstrumentFairValue" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DerivativeAssetDesignatedAsHedgingInstrumentFairValue" xml:lang="en-US">Derivative assets designated as hedging instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeAssetDesignatedAsHedgingInstrumentFairValue" xml:lang="en-US">Derivative Asset Designated as Hedging Instrument, Fair Value</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeLiabilityDesignatedAsHedgingInstrumentFairValue" xlink:label="us-gaap_DerivativeLiabilityDesignatedAsHedgingInstrumentFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilityDesignatedAsHedgingInstrumentFairValue" xlink:to="lab_DerivativeLiabilityDesignatedAsHedgingInstrumentFairValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeLiabilityDesignatedAsHedgingInstrumentFairValue" xml:lang="en-US">Derivative liabilities designated as hedging instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeLiabilityDesignatedAsHedgingInstrumentFairValue" xml:lang="en-US">Derivative Liability Designated as Hedging Instrument, Fair Value</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="us-gaap_OtherAssetsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsMember" xlink:to="lab_OtherAssetsMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherAssetsMember" xml:lang="en-US">Other Assets [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherAssetsMember" xml:lang="en-US">Long-term other assets [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccruedLiabilitiesMember" xlink:label="us-gaap_AccruedLiabilitiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedLiabilitiesMember" xlink:to="lab_AccruedLiabilitiesMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccruedLiabilitiesMember" xml:lang="en-US">Accrued Liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccruedLiabilitiesMember" xml:lang="en-US">Current accrued liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US">Costs and expenses</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash_lbl" xml:lang="en-US">Net receipts from restricted trust and escrow accounts</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativesFairValueByBalanceSheetLocationAxis" xlink:label="us-gaap_DerivativesFairValueByBalanceSheetLocationAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativesFairValueByBalanceSheetLocationAxis" xlink:to="lab_DerivativesFairValueByBalanceSheetLocationAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativesFairValueByBalanceSheetLocationAxis" xml:lang="en-US">Derivatives, Fair Value, by Balance Sheet Location [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="us-gaap_BalanceSheetLocationDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationDomain" xlink:to="lab_BalanceSheetLocationDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BalanceSheetLocationDomain" xml:lang="en-US">Balance Sheet Location [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DistributionsPaidToNoncontrollingInterestsAndOther" xlink:to="wm_DistributionsPaidToNoncontrollingInterestsAndOther_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DistributionsPaidToNoncontrollingInterestsAndOther_lbl" xml:lang="en-US">Distributions Paid to Noncontrolling Interests and Other</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="wm_DistributionsPaidToNoncontrollingInterestsAndOther_lbl" xml:lang="en-US">Distributions paid to noncontrolling interests and other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DistributionsPaidToNoncontrollingInterestsAndOther_lbl" xml:lang="en-US">Distributions paid to noncontrolling interests</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DebtTablesAbstract" xlink:label="wm_DebtTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtTablesAbstract" xlink:to="wm_DebtTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtTablesAbstract_lbl" xml:lang="en-US">Debt (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtTablesAbstract_lbl" xml:lang="en-US">Debt.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DebtDetailsAbstract" xlink:label="wm_DebtDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtDetailsAbstract" xlink:to="wm_DebtDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtDetailsAbstract_lbl" xml:lang="en-US">Debt (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtDetailsAbstract_lbl" xml:lang="en-US">Debt.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SegmentAndRelatedInformationTablesAbstract" xlink:label="wm_SegmentAndRelatedInformationTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SegmentAndRelatedInformationTablesAbstract" xlink:to="wm_SegmentAndRelatedInformationTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SegmentAndRelatedInformationTablesAbstract_lbl" xml:lang="en-US">Segment and Related Information (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SegmentAndRelatedInformationTablesAbstract_lbl" xml:lang="en-US">Segment and related information.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="lab_ScheduleOfSegmentReportingInformationBySegmentTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xml:lang="en-US">Reportable segments</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SegmentAndRelatedInformationDetailsAbstract" xlink:label="wm_SegmentAndRelatedInformationDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SegmentAndRelatedInformationDetailsAbstract" xlink:to="wm_SegmentAndRelatedInformationDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SegmentAndRelatedInformationDetailsAbstract_lbl" xml:lang="en-US">Segment and Related Information (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SegmentAndRelatedInformationDetailsAbstract_lbl" xml:lang="en-US">Segment and related information.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract" xlink:label="us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract" xlink:to="lab_SegmentReportingInformationOperatingIncomeLossAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingInformationOperatingIncomeLossAbstract" xml:lang="en-US">Segment Reporting Information, Operating Income (Loss) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingInformationOperatingIncomeLossAbstract" xml:lang="en-US">Reportable segments</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_GroupThreeMember" xlink:label="wm_GroupThreeMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_GroupThreeMember" xlink:to="wm_GroupThreeMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_GroupThreeMember_lbl" xml:lang="en-US">Group Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_GroupThreeMember_lbl" xml:lang="en-US">Southern [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_GroupThreeMember_lbl" xml:lang="en-US">Group three.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_GroupFourMember" xlink:label="wm_GroupFourMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_GroupFourMember" xlink:to="wm_GroupFourMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_GroupFourMember_lbl" xml:lang="en-US">Group Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_GroupFourMember_lbl" xml:lang="en-US">Western [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_GroupFourMember_lbl" xml:lang="en-US">Group four.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_GroupFiveMember" xlink:label="wm_GroupFiveMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_GroupFiveMember" xlink:to="wm_GroupFiveMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_GroupFiveMember_lbl" xml:lang="en-US">Group Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_GroupFiveMember_lbl" xml:lang="en-US">Group five.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_GroupFiveMember_lbl" xml:lang="en-US">Wheelabrator [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CorporateAndOtherMember" xlink:label="wm_CorporateAndOtherMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CorporateAndOtherMember" xlink:to="wm_CorporateAndOtherMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CorporateAndOtherMember_lbl" xml:lang="en-US">Corporate and Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CorporateAndOtherMember_lbl" xml:lang="en-US">Corporate and other.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationRevenue" xlink:label="us-gaap_SegmentReportingInformationRevenue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationRevenue" xlink:to="lab_SegmentReportingInformationRevenue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingInformationRevenue" xml:lang="en-US">Segment Reporting Information, Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_SegmentReportingInformationRevenue" xml:lang="en-US">Segment Reporting Information, Revenue, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingInformationRevenue" xml:lang="en-US">Gross Operating Revenues</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="us-gaap_GuaranteeObligationsMaximumExposure" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuaranteeObligationsMaximumExposure" xlink:to="lab_GuaranteeObligationsMaximumExposure" />
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CanadianCreditFacilityMember" xlink:label="wm_CanadianCreditFacilityMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CanadianCreditFacilityMember" xlink:to="wm_CanadianCreditFacilityMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CanadianCreditFacilityMember_lbl" xml:lang="en-US">Canadian credit facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CanadianCreditFacilityMember_lbl" xml:lang="en-US">Canadian credit facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CanadianCreditFacilityMember_lbl" xml:lang="en-US">Canadian credit facility.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TaxExemptBondsMember" xlink:label="wm_TaxExemptBondsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TaxExemptBondsMember" xlink:to="wm_TaxExemptBondsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TaxExemptBondsMember_lbl" xml:lang="en-US">Tax-exempt bonds [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TaxExemptBondsMember_lbl" xml:lang="en-US">Tax-exempt bonds [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TaxExemptBondsMember_lbl" xml:lang="en-US">Tax-exempt bonds.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TaxExemptProjectBondsMember" xlink:label="wm_TaxExemptProjectBondsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TaxExemptProjectBondsMember" xlink:to="wm_TaxExemptProjectBondsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TaxExemptProjectBondsMember_lbl" xml:lang="en-US">Tax-exempt project bonds [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TaxExemptProjectBondsMember_lbl" xml:lang="en-US">Tax-exempt project bonds [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TaxExemptProjectBondsMember_lbl" xml:lang="en-US">Tax-exempt project bonds.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_GroupOneMember" xlink:label="wm_GroupOneMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_GroupOneMember" xlink:to="wm_GroupOneMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_GroupOneMember_lbl" xml:lang="en-US">Group One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_GroupOneMember_lbl" xml:lang="en-US">Group one.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_GroupOneMember_lbl" xml:lang="en-US">Eastern [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_GroupTwoMember" xlink:label="wm_GroupTwoMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_GroupTwoMember" xlink:to="wm_GroupTwoMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_GroupTwoMember_lbl" xml:lang="en-US">Group Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_GroupTwoMember_lbl" xml:lang="en-US">Group two.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_GroupTwoMember_lbl" xml:lang="en-US">Midwest [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DocumentAndEntityInformationAbstract" xlink:label="wm_DocumentAndEntityInformationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="wm_DocumentAndEntityInformationAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US">Document and Entity Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US">Document and entity information.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SeniorNotesAndDebenturesMember" xlink:label="wm_SeniorNotesAndDebenturesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SeniorNotesAndDebenturesMember" xlink:to="wm_SeniorNotesAndDebenturesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SeniorNotesAndDebenturesMember_lbl" xml:lang="en-US">Senior notes and debentures [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SeniorNotesAndDebenturesMember_lbl" xml:lang="en-US">Senior notes and debentures [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SeniorNotesAndDebenturesMember_lbl" xml:lang="en-US">Senior notes and debentures.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CapitalLeasesAndOtherMember" xlink:label="wm_CapitalLeasesAndOtherMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CapitalLeasesAndOtherMember" xlink:to="wm_CapitalLeasesAndOtherMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CapitalLeasesAndOtherMember_lbl" xml:lang="en-US">Capital leases and other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CapitalLeasesAndOtherMember_lbl" xml:lang="en-US">Capital leases and other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CapitalLeasesAndOtherMember_lbl" xml:lang="en-US">Capital leases and other.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:to="lab_LongTermDebtAndCapitalLeaseObligationsAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtAndCapitalLeaseObligationsAbstract" xml:lang="en-US">Long-term Debt and Capital Lease Obligations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtAndCapitalLeaseObligationsAbstract" xml:lang="en-US">Components of Debt</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:to="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xml:lang="en-US">Interest rate upper range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xml:lang="en-US">Interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xml:lang="en-US">Interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xml:lang="en-US">Tax-exempt bonds, high range</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:to="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xml:lang="en-US">Interest rate lower range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xml:lang="en-US">Tax-exempt project bonds, low range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xml:lang="en-US">Tax-exempt bonds, low range</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements" xlink:label="wm_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements" xlink:to="wm_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements_lbl" xml:lang="en-US">Approximate percentage of workforce covered by collective bargaining agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements_lbl" xml:lang="en-US">Approximate percentage of workforce covered by collective bargaining agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements_lbl" xml:lang="en-US">Approximate percentage of workforce covered by collective bargaining agreements.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingencies" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingencies" xlink:to="lab_AccrualForEnvironmentalLossContingencies" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingencies" xml:lang="en-US">Accrual for Environmental Loss Contingencies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_AccrualForEnvironmentalLossContingencies" xml:lang="en-US">Ending balance, environmental remediation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_AccrualForEnvironmentalLossContingencies" xml:lang="en-US">Beginning balance, environmental remediation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingencies" xml:lang="en-US">Environmental remediation liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_AccrualForEnvironmentalLossContingencies" xml:lang="en-US">Total, Remediation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingencies" xml:lang="en-US">Aggregate potential remediation liability</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligation" xlink:label="us-gaap_AssetRetirementObligation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligation" xlink:to="lab_AssetRetirementObligation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetRetirementObligation" xml:lang="en-US">Asset Retirement Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_AssetRetirementObligation" xml:lang="en-US">Ending balance, landfill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_AssetRetirementObligation" xml:lang="en-US">Beginning balance, landfill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_AssetRetirementObligation" xml:lang="en-US">Total, Landfill Liabilities</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" xlink:label="wm_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" xlink:to="wm_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Fair Value of Restricted Trust Funds and Escrow Accounts for which Company is Sole Beneficiary Specifically for Future Settlement of Landfill and Environmental Remediation Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Fair value of trust funds and escrow accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Fair value of restricted trust funds and escrow accounts for which the company is the sole beneficiary, specifically for future settlement of landfill and environmental remediation liabilities.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="us-gaap_FairValueDisclosuresTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresTextBlock" xlink:to="lab_FairValueDisclosuresTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueDisclosuresTextBlock" xml:lang="en-US">Fair Value Disclosures [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueDisclosuresTextBlock" xml:lang="en-US">Fair Value Measurements</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives" xlink:to="wm_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives_lbl" xml:lang="en-US">Fair Value Assets Measured on Recurring Basis Interest Rate Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives_lbl" xml:lang="en-US">Interest rate derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives_lbl" xml:lang="en-US">Fair value assets measured on recurring basis, interest rate derivatives.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities" xlink:to="wm_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities_lbl" xml:lang="en-US">Fair Value Assets Measured on Recurring Basis Available-for-sale Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities_lbl" xml:lang="en-US">Available-for-sale securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities_lbl" xml:lang="en-US">Fair value assets measured on recurring basis, available-for-sale securities.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents" xlink:to="wm_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents_lbl" xml:lang="en-US">Fair Value Assets Measured on Recurring Basis Cash Equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents_lbl" xml:lang="en-US">Cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents_lbl" xml:lang="en-US">Fair value assets measured on recurring basis, cash equivalents.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives" xlink:to="wm_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives_lbl" xml:lang="en-US">Fair Value Liabilities Measured on Recurring Basis Foreign Currency Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives_lbl" xml:lang="en-US">Foreign currency derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives_lbl" xml:lang="en-US">Fair value liabilities measured on recurring basis, foreign currency derivatives.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives_lbl" xml:lang="en-US">Foreign currency derivatives</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DebtFairValue" xlink:label="wm_DebtFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtFairValue" xlink:to="wm_DebtFairValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtFairValue_lbl" xml:lang="en-US">Debt Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DebtFairValue_lbl" xml:lang="en-US">Estimated fair value of debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtFairValue_lbl" xml:lang="en-US">Estimated fair value of debt at the balance-sheet date.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="us-gaap_LineOfCreditFacilityAmountOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:to="lab_LineOfCreditFacilityAmountOutstanding" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityAmountOutstanding" xml:lang="en-US">Line of Credit Facility, Amount Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_LineOfCreditFacilityAmountOutstanding" xml:lang="en-US">Canadian credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditFacilityAmountOutstanding" xml:lang="en-US">Canadian credit facility principal amount outstanding net of discount</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SeniorNotes" xlink:label="us-gaap_SeniorNotes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeniorNotes" xlink:to="lab_SeniorNotes" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SeniorNotes" xml:lang="en-US">Senior Notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_SeniorNotes" xml:lang="en-US">Senior notes and debentures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SeniorNotes" xml:lang="en-US">Senior notes and debentures</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TaxExemptBonds" xlink:label="wm_TaxExemptBonds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TaxExemptBonds" xlink:to="wm_TaxExemptBonds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TaxExemptBonds_lbl" xml:lang="en-US">Tax-exempt bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TaxExemptBonds_lbl" xml:lang="en-US">Tax-exempt bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TaxExemptBonds_lbl" xml:lang="en-US">Tax-exempt bonds.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TaxExemptProjectBonds" xlink:label="wm_TaxExemptProjectBonds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TaxExemptProjectBonds" xlink:to="wm_TaxExemptProjectBonds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TaxExemptProjectBonds_lbl" xml:lang="en-US">Tax-exempt project bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TaxExemptProjectBonds_lbl" xml:lang="en-US">Tax-exempt project bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TaxExemptProjectBonds_lbl" xml:lang="en-US">Tax- exempt project bonds.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CapitalLeasesAndOther" xlink:label="wm_CapitalLeasesAndOther" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CapitalLeasesAndOther" xlink:to="wm_CapitalLeasesAndOther_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CapitalLeasesAndOther_lbl" xml:lang="en-US">Capital Leases and Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CapitalLeasesAndOther_lbl" xml:lang="en-US">Capital leases and other, maturing through 2055, interest rates up to 12%</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CapitalLeasesAndOther_lbl" xml:lang="en-US">Capital leases and other.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_WeightedAverageInterestRate" xlink:label="wm_WeightedAverageInterestRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WeightedAverageInterestRate" xlink:to="wm_WeightedAverageInterestRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WeightedAverageInterestRate_lbl" xml:lang="en-US">Weighted Average Interest Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_WeightedAverageInterestRate_lbl" xml:lang="en-US">Weighted average interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WeightedAverageInterestRate_lbl" xml:lang="en-US">Reflects the calculation as of the balance-sheet date of the average interest rate weighted by the amount of debt outstanding by type or by instrument at that time.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRecognitionPolicyTextBlock" xlink:to="lab_RevenueRecognitionPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RevenueRecognitionPolicyTextBlock" xml:lang="en-US">Revenue Recognition, [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RevenueRecognitionPolicyTextBlock" xml:lang="en-US">Revenue recognition</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentTable_lbl" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xml:lang="en-US">Debt Instrument [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTable" />
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps" xlink:label="wm_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps_lbl" xml:lang="en-US">Fair Value Interest Rate Hedge Impact to Interest Expense of Amortization of Terminated Swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps_lbl" xml:lang="en-US">Fair value interest rate hedge, impact to interest expense of amortization of terminated swaps.</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotionalAmountOfFairValueHedgeInstruments" xlink:to="lab_NotionalAmountOfFairValueHedgeInstruments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NotionalAmountOfFairValueHedgeInstruments" xml:lang="en-US">Notional Amount of Fair Value Hedge Instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_NotionalAmountOfFairValueHedgeInstruments" xml:lang="en-US">Notional amount of interest rate swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NotionalAmountOfFairValueHedgeInstruments" xml:lang="en-US">Senior notes swapped to variable interest rates</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding" xlink:label="wm_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding" xlink:to="wm_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding_lbl" xml:lang="en-US">Notional Amount of Fair Value Hedge Instruments as Percentage of Senior Notes Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding_lbl" xml:lang="en-US">Notional amount of fair value hedge instruments as a percentage of senior notes outstanding.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding_lbl" xml:lang="en-US">Percentage of senior notes swapped to variable interest rates</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks" xlink:label="wm_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks" xlink:to="wm_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks_lbl" xml:lang="en-US">Accumulated Net Gain Loss from Cash Flow Derivatives Treasury Locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks_lbl" xml:lang="en-US">Accumulated net gain (loss) from cash flow derivatives (treasury locks).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks_lbl" xml:lang="en-US">Deferred losses, net of taxes, related to Treasury rate locks included in accumulated other comprehensive income</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ReferencedLiborSwapRate" xlink:label="wm_ReferencedLiborSwapRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ReferencedLiborSwapRate" xlink:to="wm_ReferencedLiborSwapRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ReferencedLiborSwapRate_lbl" xml:lang="en-US">Referenced LIBOR swap rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ReferencedLiborSwapRate_lbl" xml:lang="en-US">Tenor of forward-starting swaps in years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ReferencedLiborSwapRate_lbl" xml:lang="en-US">Referenced LIBOR swap rate.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax_lbl" xml:lang="en-US">Other Comprehensive Income, Unrealized Gain (loss) on Cash Flow Derivatives (Forward Starting Swaps) Arising During Period, before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax_lbl" xml:lang="en-US">Pre tax gains (losses) recognized in other comprehensive income for changes in fair value of forward-starting interest rate swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax_lbl" xml:lang="en-US">Other comprehensive income, unrealized gain (loss) on cash flow derivatives (forward starting swaps) arising during period, before tax.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal" xlink:label="wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal" xlink:to="wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal_lbl" xml:lang="en-US">Notional Amount of Foreign Currency Cash Flow Hedge Derivatives Principal</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal_lbl" xml:lang="en-US">Notional amount of foreign currency derivatives designated as hedging instruments in cash flow hedges. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal_lbl" xml:lang="en-US">Scheduled principal payments for foreign currency forward contracts included in hedged cash flows</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">Other Comprehensive Income Unrealized Gain Loss on Cash Flow Derivatives Foreign Exchange Derivatives Arising During Period After Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">(Loss)/gain recognized due to adjustments to other comprehensive income for changes in the fair value of foreign currency cash flow hedges, after-tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">Other comprehensive income, unrealized gain (loss) on cash flow derivatives (foreign exchange derivatives) arising during period, after tax.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EquityInSubsidiariesNetOfTaxes" xlink:label="wm_EquityInSubsidiariesNetOfTaxes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EquityInSubsidiariesNetOfTaxes" xlink:to="wm_EquityInSubsidiariesNetOfTaxes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EquityInSubsidiariesNetOfTaxes_lbl" xml:lang="en-US">Equity in Subsidiaries Net of Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EquityInSubsidiariesNetOfTaxes_lbl" xml:lang="en-US">Equity in subsidiaries, net of taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EquityInSubsidiariesNetOfTaxes_lbl" xml:lang="en-US">Equity in earnings of subsidiaries, net of taxes</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EquityInEarningsOfSubsidiariesNetOfTaxes" xlink:label="wm_EquityInEarningsOfSubsidiariesNetOfTaxes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EquityInEarningsOfSubsidiariesNetOfTaxes" xlink:to="wm_EquityInEarningsOfSubsidiariesNetOfTaxes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EquityInEarningsOfSubsidiariesNetOfTaxes_lbl" xml:lang="en-US">Equity in Earnings of Subsidiaries Net of Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EquityInEarningsOfSubsidiariesNetOfTaxes_lbl" xml:lang="en-US">Equity in earnings of subsidiaries, net of taxes.</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="wm_EquityInEarningsOfSubsidiariesNetOfTaxes_lbl" xml:lang="en-US">Equity in earnings of subsidiaries, net of taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EquityInEarningsOfSubsidiariesNetOfTaxes_lbl" xml:lang="en-US">Equity in earnings of subsidiaries, net of taxes</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet" xlink:label="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet" xlink:to="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet_lbl" xml:lang="en-US">Net receipts from restricted trust and escrow account and other net</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet_lbl" xml:lang="en-US">Net receipts from restricted trust and escrow accounts and other, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet_lbl" xml:lang="en-US">Net receipts from restricted trust and escrow accounts and other, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet_lbl" xml:lang="en-US">Net receipts from restricted trust and escrow account and other, net.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationLiabilitiesIncurred" xlink:label="us-gaap_AssetRetirementObligationLiabilitiesIncurred" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationLiabilitiesIncurred" xlink:to="lab_AssetRetirementObligationLiabilitiesIncurred" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetRetirementObligationLiabilitiesIncurred" xml:lang="en-US">Asset Retirement Obligation, Liabilities Incurred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetRetirementObligationLiabilitiesIncurred" xml:lang="en-US">Obligations incurred and capitalized</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationAccretionExpense" xlink:label="us-gaap_AssetRetirementObligationAccretionExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationAccretionExpense" xlink:to="lab_AssetRetirementObligationAccretionExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetRetirementObligationAccretionExpense" xml:lang="en-US">Asset Retirement Obligation, Accretion Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetRetirementObligationAccretionExpense" xml:lang="en-US">Interest accretion</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationRevisionOfEstimate" xlink:label="us-gaap_AssetRetirementObligationRevisionOfEstimate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationRevisionOfEstimate" xlink:to="lab_AssetRetirementObligationRevisionOfEstimate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetRetirementObligationRevisionOfEstimate" xml:lang="en-US">Asset Retirement Obligation, Revision of Estimate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetRetirementObligationRevisionOfEstimate" xml:lang="en-US">Revisions in cost estimates and interest rate assumptions</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares" xlink:label="wm_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares" xlink:to="wm_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares_lbl" xml:lang="en-US">Equity-Based Compensation Transactions, Including Dividend Equivalents, Net of Taxes, Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares_lbl" xml:lang="en-US">Equity-based compensation transactions, including dividend equivalents, net of taxes, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares_lbl" xml:lang="en-US">Equity-based compensation transactions, including dividend equivalents, net of taxes, shares.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationCurrent" xlink:label="us-gaap_AssetRetirementObligationCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationCurrent" xlink:to="lab_AssetRetirementObligationCurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetRetirementObligationCurrent" xml:lang="en-US">Current (in accrued liabilities), Landfill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetRetirementObligationCurrent" xml:lang="en-US">Asset Retirement Obligation, Current</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationsNoncurrent" xlink:to="lab_AssetRetirementObligationsNoncurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetRetirementObligationsNoncurrent" xml:lang="en-US">Long-term, Landfill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetRetirementObligationsNoncurrent" xml:lang="en-US">Asset Retirement Obligations, Noncurrent</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesPayments" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesPayments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesPayments" xlink:to="lab_AccrualForEnvironmentalLossContingenciesPayments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesPayments" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesPayments" xml:lang="en-US">Obligations settled</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AccrualForEnvironmentalLossContingenciesInterestAccretion" xlink:label="wm_AccrualForEnvironmentalLossContingenciesInterestAccretion" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AccrualForEnvironmentalLossContingenciesInterestAccretion" xlink:to="wm_AccrualForEnvironmentalLossContingenciesInterestAccretion_lbl" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AccrualForEnvironmentalLossContingenciesInterestAccretion_lbl" xml:lang="en-US">Interest accretion</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments_lbl" xml:lang="en-US">Acquisitions, divestitures and other adjustments</label>
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems" xlink:label="wm_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems_lbl" xml:lang="en-US">Asset Retirement Obligation Adjustments for Acquisitions Divestitures and Other Items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems_lbl" xml:lang="en-US">Acquisitions, divestitures and other adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems_lbl" xml:lang="en-US">Asset retirement obligation, adjustments for acquisitions, divestitures and other items. Includes foreign currency translation.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements" xlink:label="wm_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements_lbl" xml:lang="en-US">Fair Value Interest Rate Hedge Impact to Interest Expense of Periodic Settlements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements_lbl" xml:lang="en-US">Fair value interest rate hedge, impact to interest rate expense of periodic settlements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements_lbl" xml:lang="en-US">Periodic settlements of active swap agreements (a)</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">Other Comprehensive Income Unrealized Gain (loss) on Cash Flow Derivatives Forward Starting Swaps Arising During Period after Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">Other comprehensive income, unrealized gain (loss) on cash flow derivatives (forward starting swaps) arising during period, after tax.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">After tax gains (losses) recognized in other comprehensive income due to changes in fair value of forward-starting interest rate swaps</label>
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="us-gaap_DerivativesFairValueLineItems" />
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xml:lang="en-US">Impacts of foreign currency cash flow derivatives on results of operations and comprehensive income, pre-tax</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Other Comprehensive Income, Defined Benefit Plans Adjustment, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Change in funded status of post-retirement benefit obligations, net of taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Change in funded status of post-retirement benefit obligations, net of taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Change in funded status of post-retirement benefit obligations, net of taxes of $4, $3 and $5 for the year 2009, 2010 and 2011 respectively</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ChangeInIntercompanyAndInvestmentsNet" xlink:label="wm_ChangeInIntercompanyAndInvestmentsNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ChangeInIntercompanyAndInvestmentsNet" xlink:to="wm_ChangeInIntercompanyAndInvestmentsNet_lbl" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_ChangeInIntercompanyAndInvestmentsNet_lbl" xml:lang="en-US">(Increase) decrease in intercompany and investments, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ChangeInIntercompanyAndInvestmentsNet_lbl" xml:lang="en-US">Change in intercompany and investments, net.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:label="wm_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US">Number of sites listed on the environmental protection agency's national priorities list for which we have been notified we are a PRP.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US">Number of owned sites listed on the EPA's NPL for which we have been notified we are a PRP</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US">Number of owned sites listed on environmental protection agency's national priorities list for which we have been notified we are PRP.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US">Number of non-owned sites listed on the EPA's NPL for which we have been notified we are a PRP</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US">Number of non-owned sites listed on the environmental protection agency's national priorities list for which we have been notified we are a PRP.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="lab_CommonStockSharesOutstanding" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommonStockSharesOutstanding" xml:lang="en-US">Common Stock, Shares, Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_CommonStockSharesOutstanding" xml:lang="en-US">Common stock shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommonStockSharesOutstanding" xml:lang="en-US">Number of common shares outstanding at year-end</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LongTermAccruedLiabilitiesMember" xlink:label="wm_LongTermAccruedLiabilitiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LongTermAccruedLiabilitiesMember" xlink:to="wm_LongTermAccruedLiabilitiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LongTermAccruedLiabilitiesMember_lbl" xml:lang="en-US">Long-term Accrued Liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LongTermAccruedLiabilitiesMember_lbl" xml:lang="en-US">Long-term accrued liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LongTermAccruedLiabilitiesMember_lbl" xml:lang="en-US">Long-term accrued liabilities.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" />
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    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xml:lang="en-US">Equity in net losses of unconsolidated entities, net of dividends</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xml:lang="en-US">Income (Loss) from Equity Method Investments, Net of Dividends or Distributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xml:lang="en-US">Equity in net losses of unconsolidated entities, net of distributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xml:lang="en-US">Equity in net losses of unconsolidated entities, net of distributions</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SeniorNotesPrincipalOutstanding" xlink:label="wm_SeniorNotesPrincipalOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SeniorNotesPrincipalOutstanding" xlink:to="wm_SeniorNotesPrincipalOutstanding_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SeniorNotesPrincipalOutstanding_lbl" xml:lang="en-US">Senior Notes Principal Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SeniorNotesPrincipalOutstanding_lbl" xml:lang="en-US">Including the current and noncurrent portions, principal outstanding as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SeniorNotesPrincipalOutstanding_lbl" xml:lang="en-US">Fixed-rate senior notes outstanding</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Disclosure Items [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" />
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AssetRetirementObligationLiabilitiesSettledLandfill" xlink:label="wm_AssetRetirementObligationLiabilitiesSettledLandfill" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTable_lbl" xml:lang="en-US">Fair Value Liabilities Measured on Recurring Basis [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" />
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_OtherTransactionShares" xlink:label="wm_OtherTransactionShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OtherTransactionShares" xlink:to="wm_OtherTransactionShares_lbl" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OtherTransactionShares_lbl" xml:lang="en-US">Other transaction shares.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TreasuryRateLockScheduledToBeReclassifiedIntoInterestExpense_lbl" xml:lang="en-US">Treasury Rate Lock Scheduled to be Reclassified into Interest Expense</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TreasuryRateLockScheduledToBeReclassifiedIntoInterestExpense_lbl" xml:lang="en-US">Deferred losses related to treasury rate locks scheduled to be reclassified out of accumulated other comprehensive into interest expense over next 12 months, pre tax.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DebtMaturingWithinMonthsClassifiedAsLongTerm" xlink:label="wm_DebtMaturingWithinMonthsClassifiedAsLongTerm" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtMaturingWithinMonthsClassifiedAsLongTerm" xlink:to="wm_DebtMaturingWithinMonthsClassifiedAsLongTerm_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtMaturingWithinMonthsClassifiedAsLongTerm_lbl" xml:lang="en-US">Debt Maturing within Months Classified as Long Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtMaturingWithinMonthsClassifiedAsLongTerm_lbl" xml:lang="en-US">Debt maturing within months classified as long-term.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DebtMaturingWithinMonthsClassifiedAsLongTerm_lbl" xml:lang="en-US">Debt maturing within 12 months classified as long-term</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LowIncomeHousingPropertiesMember" xlink:label="wm_LowIncomeHousingPropertiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LowIncomeHousingPropertiesMember" xlink:to="wm_LowIncomeHousingPropertiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LowIncomeHousingPropertiesMember_lbl" xml:lang="en-US">Low-Income Housing Properties [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LowIncomeHousingPropertiesMember_lbl" xml:lang="en-US">Low-income housing properties.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvesteeNameDomain" xml:lang="en-US">Equity Method Investee, Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract_lbl" xml:lang="en-US">Derivative instruments and hedging activities.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract_lbl" xml:lang="en-US">Derivative Instruments and Hedging Activities (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract_lbl" xml:lang="en-US">Derivative instruments and hedging activities.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:label="us-gaap_ComprehensiveIncomeNoteTextBlock" />
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate" xlink:label="wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate_lbl" xml:lang="en-US">Environmental remediation reasonably possible additional losses, if high estimate were used</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate_lbl" xml:lang="en-US">Environmental remediation reasonably possible additional losses high estimate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate_lbl" xml:lang="en-US">Environmental remediation reasonably possible additional losses high estimate.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments_lbl" xml:lang="en-US">Payments to Acquire Equity Method Investments</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments_lbl" xml:lang="en-US">Investments in unconsolidated entities</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ReclassificationsPolicyTextBlock" xlink:label="wm_ReclassificationsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ReclassificationsPolicyTextBlock" xlink:to="wm_ReclassificationsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ReclassificationsPolicyTextBlock_lbl" xml:lang="en-US">Reclassifications [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ReclassificationsPolicyTextBlock_lbl" xml:lang="en-US">Reclassifications</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ReclassificationsPolicyTextBlock_lbl" xml:lang="en-US">Reclassifications Policy.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xml:lang="en-US">Debt Instrument [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="us-gaap_DebtInstrumentNameDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xml:lang="en-US">Debt Instrument Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_StatementBusinessSegmentsAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xml:lang="en-US">Statement Business Segments [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xml:lang="en-US">Statement Business Segments [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentBusinessDomain" xlink:label="us-gaap_SegmentBusinessDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentBusinessDomain" xlink:to="us-gaap_SegmentBusinessDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentBusinessDomain_lbl" xml:lang="en-US">Segment Business [Domain]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="lab_CurrentFiscalYearEndDate" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityFilerCategory" xml:lang="en-US">Entity Filer Category</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="lab_LegalEntityAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LegalEntityAxis" xml:lang="en-US">Legal Entity [Axis]</label>
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" />
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativesFairValueByDerivativeInstrumentRiskAxis" xlink:label="us-gaap_DerivativesFairValueByDerivativeInstrumentRiskAxis" />
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_OtherCurrentAssetsMember" xlink:label="wm_OtherCurrentAssetsMember" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InvestmentsInAndAdvancesToAffiliates_lbl" xml:lang="en-US">Investments in and advances to affiliates.</label>
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EquityInNetLossesOfUnconsolidatedEntitiesAndOtherNet" xlink:label="wm_EquityInNetLossesOfUnconsolidatedEntitiesAndOtherNet" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EquityInNetLossesOfUnconsolidatedEntitiesAndOtherNet_lbl" xml:lang="en-US">Equity in net losses of unconsolidated entities and other, net</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CashPaidToSettleCashFlowHedgeInstrumentsForwardStartingInterestRateSwaps" xlink:label="wm_CashPaidToSettleCashFlowHedgeInstrumentsForwardStartingInterestRateSwaps" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_EffectiveIncomeTaxRateContinuingOperations" xml:lang="en-US">Provision for income taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EffectiveIncomeTaxRateContinuingOperations" xml:lang="en-US">Effective tax rate</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ForeignExchangeDerivativesGainLossReclassificationFromAociIntoIncomeEffectivePortionAfterTax" xlink:label="wm_ForeignExchangeDerivativesGainLossReclassificationFromAociIntoIncomeEffectivePortionAfterTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ForeignExchangeDerivativesGainLossReclassificationFromAociIntoIncomeEffectivePortionAfterTax" xlink:to="wm_ForeignExchangeDerivativesGainLossReclassificationFromAociIntoIncomeEffectivePortionAfterTax_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ForeignExchangeDerivativesGainLossReclassificationFromAociIntoIncomeEffectivePortionAfterTax_lbl" xml:lang="en-US">Foreign Exchange Derivatives Gain Loss Reclassification from AOCI into Income Effective Portion After Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ForeignExchangeDerivativesGainLossReclassificationFromAociIntoIncomeEffectivePortionAfterTax_lbl" xml:lang="en-US">After-tax adjustments to foreign currency derivatives for the reclassification of gains or (losses) from accumulated other comprehensive income into income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ForeignExchangeDerivativesGainLossReclassificationFromAociIntoIncomeEffectivePortionAfterTax_lbl" xml:lang="en-US">Foreign exchange derivatives gain (loss) reclassification from AOCI into income effective portion after tax.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_VariableInterestEntitiesAbstract" xlink:label="wm_VariableInterestEntitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VariableInterestEntitiesAbstract" xlink:to="wm_VariableInterestEntitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VariableInterestEntitiesAbstract_lbl" xml:lang="en-US">Variable Interest Entities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VariableInterestEntitiesAbstract_lbl" xml:lang="en-US">Variable interest entities.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_VariableInterestEntitiesDetailsAbstract" xlink:label="wm_VariableInterestEntitiesDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VariableInterestEntitiesDetailsAbstract" xlink:to="wm_VariableInterestEntitiesDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VariableInterestEntitiesDetailsAbstract_lbl" xml:lang="en-US">Variable Interest Entities (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VariableInterestEntitiesDetailsAbstract_lbl" xml:lang="en-US">Variable interest entities</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LimitedLiabilityCompanyTwoMember" xlink:label="wm_LimitedLiabilityCompanyTwoMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LimitedLiabilityCompanyTwoMember" xlink:to="wm_LimitedLiabilityCompanyTwoMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LimitedLiabilityCompanyTwoMember_lbl" xml:lang="en-US">Limited Liability Company Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LimitedLiabilityCompanyTwoMember_lbl" xml:lang="en-US">Limited liability company two.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LimitedLiabilityCompanyTwoMember_lbl" xml:lang="en-US">Limited Liability Company II [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_VariableInterestEntitiesAdditionalDetailsAbstract" xlink:label="wm_VariableInterestEntitiesAdditionalDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VariableInterestEntitiesAdditionalDetailsAbstract" xlink:to="wm_VariableInterestEntitiesAdditionalDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VariableInterestEntitiesAdditionalDetailsAbstract_lbl" xml:lang="en-US">Variable Interest Entities (Additional Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VariableInterestEntitiesAdditionalDetailsAbstract_lbl" xml:lang="en-US">Variable interest entities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_VariableInterestEntitiesAdditionalDetailsAbstract_lbl" xml:lang="en-US">Variable Interest Entities (Additional Details) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns" xlink:label="wm_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns" xlink:to="wm_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" xml:lang="en-US">Variable Interest Entity Reporting Entity Percentage of Interest in Earnings after Achieving Targeted Returns</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" xml:lang="en-US">Variable interest entity, reporting entity percentage of interest in earnings after achieving targeted returns.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" xml:lang="en-US">Reporting entity percentage of interest in earnings of variable interest entity after achieving targeted returns</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_VariableInterestEntityOwnershipPercentage" xlink:label="us-gaap_VariableInterestEntityOwnershipPercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableInterestEntityOwnershipPercentage" xlink:to="lab_VariableInterestEntityOwnershipPercentage" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_VariableInterestEntityOwnershipPercentage" xml:lang="en-US">Variable Interest Entity, Ownership Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_VariableInterestEntityOwnershipPercentage" xml:lang="en-US">Percentage of ownership in LLC's</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns" xlink:label="wm_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns" xlink:to="wm_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" xml:lang="en-US">Variable Interest Entity Third Parties Percentage of Interest in Earnings after Achieving Targeted Returns</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" xml:lang="en-US">Variable interest entity, third parties' percentage of interest in earnings after achieving targeted returns.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" xml:lang="en-US">Other companies percentage of interest in earnings of variable interest entity after achieving targeted returns</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_VariableInterestEntityThirdPartyInitialInvestment" xlink:label="wm_VariableInterestEntityThirdPartyInitialInvestment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VariableInterestEntityThirdPartyInitialInvestment" xlink:to="wm_VariableInterestEntityThirdPartyInitialInvestment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VariableInterestEntityThirdPartyInitialInvestment_lbl" xml:lang="en-US">Variable Interest Entity Third Party Initial Investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VariableInterestEntityThirdPartyInitialInvestment_lbl" xml:lang="en-US">Variable interest entity, third party initial investment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_VariableInterestEntityThirdPartyInitialInvestment_lbl" xml:lang="en-US">Total initial investment by other companies</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_VariableInterestEntityCarryingAmountOfCollateralizedAssets" xlink:label="us-gaap_VariableInterestEntityCarryingAmountOfCollateralizedAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableInterestEntityCarryingAmountOfCollateralizedAssets" xlink:to="lab_VariableInterestEntityCarryingAmountOfCollateralizedAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_VariableInterestEntityCarryingAmountOfCollateralizedAssets" xml:lang="en-US">Variable Interest Entity, Carrying Amount of Assets, Consolidated VIE</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_VariableInterestEntityCarryingAmountOfCollateralizedAssets" xml:lang="en-US">Consolidated variable interest entity carrying amount of asset</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:to="lab_ScheduleOfVariableInterestEntitiesTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfVariableInterestEntitiesTextBlock" xml:lang="en-US">Schedule of Variable Interest Entities [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfVariableInterestEntitiesTextBlock" xml:lang="en-US">Variable interest entities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:to="lab_ScheduleOfVariableInterestEntitiesTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfVariableInterestEntitiesTable" xml:lang="en-US">Schedule of Variable Interest Entities [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_VariableInterestEntityLineItems" xlink:label="us-gaap_VariableInterestEntityLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableInterestEntityLineItems" xlink:to="lab_VariableInterestEntityLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_VariableInterestEntityLineItems" xml:lang="en-US">Variable Interest Entity [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireOtherInvestments" xlink:label="us-gaap_PaymentsToAcquireOtherInvestments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireOtherInvestments" xlink:to="lab_PaymentsToAcquireOtherInvestments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PaymentsToAcquireOtherInvestments" xml:lang="en-US">Payments to Acquire Other Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PaymentsToAcquireOtherInvestments" xml:lang="en-US">Cash payments to acquire equity method investment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LimitedLiabilityCompanyMember" xlink:label="us-gaap_LimitedLiabilityCompanyMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LimitedLiabilityCompanyMember" xlink:to="lab_LimitedLiabilityCompanyMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LimitedLiabilityCompanyMember" xml:lang="en-US">Limited Liability Company [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LimitedLiabilityCompanyMember" xml:lang="en-US">Limited Liability Company I [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="lab_RelatedPartyTransactionsByRelatedPartyAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RelatedPartyTransactionsByRelatedPartyAxis" xml:lang="en-US">Related Party Transactions, by Related Party [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="lab_RelatedPartyDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RelatedPartyDomain" xml:lang="en-US">Related Party [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTax" xlink:label="us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTax" xlink:to="lab_OtherComprehensiveIncomeDefinedBenefitPlansTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansTax" xml:lang="en-US">Other Comprehensive Income, Defined Benefit Plans, Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansTax" xml:lang="en-US">Taxes on funded status of post retirement benefit obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansTax" xml:lang="en-US">Other Comprehensive Income, Defined Benefit Plans, Tax, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansTax" xml:lang="en-US">Tax effects on change in funded status of post-retirement benefit obligations</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:to="lab_ProceedsFromIssuanceOfSeniorLongTermDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromIssuanceOfSeniorLongTermDebt" xml:lang="en-US">Proceeds from Issuance of Senior Long-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromIssuanceOfSeniorLongTermDebt" xml:lang="en-US">Proceeds from the debt issuance</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SeniorNotesDueMarchTwoThousandTwentyOneMember" xlink:label="wm_SeniorNotesDueMarchTwoThousandTwentyOneMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SeniorNotesDueMarchTwoThousandTwentyOneMember" xlink:to="wm_SeniorNotesDueMarchTwoThousandTwentyOneMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SeniorNotesDueMarchTwoThousandTwentyOneMember_lbl" xml:lang="en-US">Senior Notes Due March Two Thousand Twenty One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SeniorNotesDueMarchTwoThousandTwentyOneMember_lbl" xml:lang="en-US">4.60% senior notes due March 2021 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SeniorNotesDueMarchTwoThousandTwentyOneMember_lbl" xml:lang="en-US">4.60% senior notes due March 2021.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SevenPointSixFivePercentSeniorNotesMember" xlink:label="wm_SevenPointSixFivePercentSeniorNotesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SevenPointSixFivePercentSeniorNotesMember" xlink:to="wm_SevenPointSixFivePercentSeniorNotesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SevenPointSixFivePercentSeniorNotesMember_lbl" xml:lang="en-US">Seven Point Six Five Percent Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SevenPointSixFivePercentSeniorNotesMember_lbl" xml:lang="en-US">7.65% senior notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SevenPointSixFivePercentSeniorNotesMember_lbl" xml:lang="en-US">7.65% senior notes.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MaturitiesOfSeniorDebt" xlink:label="us-gaap_MaturitiesOfSeniorDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaturitiesOfSeniorDebt" xlink:to="lab_MaturitiesOfSeniorDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MaturitiesOfSeniorDebt" xml:lang="en-US">Maturities of Senior Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MaturitiesOfSeniorDebt" xml:lang="en-US">Repayment of senior notes matured</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="lab_DebtInstrumentInterestRateStatedPercentage" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US">Interest rate of senior notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_InvestmentInRefinedCoalFacilityMember" xlink:label="wm_InvestmentInRefinedCoalFacilityMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_InvestmentInRefinedCoalFacilityMember" xlink:to="wm_InvestmentInRefinedCoalFacilityMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InvestmentInRefinedCoalFacilityMember_lbl" xml:lang="en-US">Investment in Refined Coal Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_InvestmentInRefinedCoalFacilityMember_lbl" xml:lang="en-US">Investment in Refined Coal Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InvestmentInRefinedCoalFacilityMember_lbl" xml:lang="en-US">Investment in refined coal facility.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives" xlink:to="wm_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives_lbl" xml:lang="en-US">Fair Value Liabilities Measured on Recurring Basis Electricity Commodity Derivatives.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives_lbl" xml:lang="en-US">Electricity commodity derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives_lbl" xml:lang="en-US">Fair value liabilities measured on recurring basis electricity commodity derivatives.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives" xlink:to="wm_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives_lbl" xml:lang="en-US">Fair Value Liabilities Measured on Recurring Basis Interest Rate Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives_lbl" xml:lang="en-US">Interest rate derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives_lbl" xml:lang="en-US">Fair value liabilities measured on recurring basis, interest rate derivatives.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NotionalAmountOfMaturedInterestRateSwap" xlink:label="wm_NotionalAmountOfMaturedInterestRateSwap" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NotionalAmountOfMaturedInterestRateSwap" xlink:to="wm_NotionalAmountOfMaturedInterestRateSwap_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NotionalAmountOfMaturedInterestRateSwap_lbl" xml:lang="en-US">Notional Amount of Matured Interest Rate Swap</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NotionalAmountOfMaturedInterestRateSwap_lbl" xml:lang="en-US">Notional amount of matured interest rate swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NotionalAmountOfMaturedInterestRateSwap_lbl" xml:lang="en-US">Notional amount of matured interest rate swap.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="lab_DebtInstrumentFaceAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentFaceAmount" xml:lang="en-US">Debt Instrument, Face Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentFaceAmount" xml:lang="en-US">Issuance of senior notes</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock" xlink:label="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock" xlink:to="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock_lbl" xml:lang="en-US">Liabilities for Landfill and Environmental Remediation Costs [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock_lbl" xml:lang="en-US">Liabilities for landfill and environmental remediation costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock_lbl" xml:lang="en-US">Liabilities for landfill and environmental remediation costs.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AssetRetirementObligationAndEnvironmentalRemediationCostsRollForwardAnalysisTextBlock" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationCostsRollForwardAnalysisTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AssetRetirementObligationAndEnvironmentalRemediationCostsRollForwardAnalysisTextBlock" xlink:to="wm_AssetRetirementObligationAndEnvironmentalRemediationCostsRollForwardAnalysisTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationCostsRollForwardAnalysisTextBlock_lbl" xml:lang="en-US">Asset Retirement Obligation and Environmental Remediation Costs Roll Forward Analysis [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationCostsRollForwardAnalysisTextBlock_lbl" xml:lang="en-US">Changes to landfill and environmental remediation liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationCostsRollForwardAnalysisTextBlock_lbl" xml:lang="en-US">Asset retirement obligation and environmental remediation costs roll forward analysis.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxTextBlock" xlink:label="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxTextBlock" xlink:to="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxTextBlock_lbl" xml:lang="en-US">Impacts of Foreign Currency Cash Flow Derivatives on Results of Operations and Comprehensive Income Pre Tax [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxTextBlock_lbl" xml:lang="en-US">Pretax impacts of our foreign currency cash flow derivatives on our comprehensive income and results of operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ImpactsOfForeignCurrencyCashFlowDerivativesOnResultsOfOperationsAndComprehensiveIncomePreTaxTextBlock_lbl" xml:lang="en-US">Impacts of foreign currency cash flow derivatives on results of operations and comprehensive income, pre-tax.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_BalanceSheetsTextBlock" xlink:label="wm_BalanceSheetsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_BalanceSheetsTextBlock" xlink:to="wm_BalanceSheetsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_BalanceSheetsTextBlock_lbl" xml:lang="en-US">Balance Sheets [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_BalanceSheetsTextBlock_lbl" xml:lang="en-US">CONDENSED CONSOLIDATING BALANCE SHEETS</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_BalanceSheetsTextBlock_lbl" xml:lang="en-US">Balance sheets.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_StatementsOfOperationsTextBlock" xlink:label="wm_StatementsOfOperationsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_StatementsOfOperationsTextBlock" xlink:to="wm_StatementsOfOperationsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_StatementsOfOperationsTextBlock_lbl" xml:lang="en-US">Statements of Operations [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_StatementsOfOperationsTextBlock_lbl" xml:lang="en-US">CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_StatementsOfOperationsTextBlock_lbl" xml:lang="en-US">Statements of operations.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_StatementsOfCashFlowsTextBlock" xlink:label="wm_StatementsOfCashFlowsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_StatementsOfCashFlowsTextBlock" xlink:to="wm_StatementsOfCashFlowsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_StatementsOfCashFlowsTextBlock_lbl" xml:lang="en-US">Statements of Cash Flows [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_StatementsOfCashFlowsTextBlock_lbl" xml:lang="en-US">CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_StatementsOfCashFlowsTextBlock_lbl" xml:lang="en-US">Statements of cash flows.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpensePreTax" xlink:label="wm_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpensePreTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpensePreTax" xlink:to="wm_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpensePreTax_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpensePreTax_lbl" xml:lang="en-US">Deferred Losses Related to Treasury Rate Locks Reclassified into Interest Expense Pre Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpensePreTax_lbl" xml:lang="en-US">Deferred losses related to treasury rate locks reclassified out of accumulated other comprehensive income into interest expense, pre tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpensePreTax_lbl" xml:lang="en-US">Deferred losses related to treasury rate locks reclassified into interest expense, pre tax.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EquityMethodInvestmentNonCashComponent" xlink:label="wm_EquityMethodInvestmentNonCashComponent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EquityMethodInvestmentNonCashComponent" xlink:to="wm_EquityMethodInvestmentNonCashComponent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EquityMethodInvestmentNonCashComponent_lbl" xml:lang="en-US">Equity Method Investment Non-cash Component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EquityMethodInvestmentNonCashComponent_lbl" xml:lang="en-US">Equity method investment non-cash component.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EquityMethodInvestmentNonCashComponent_lbl" xml:lang="en-US">Value of notes payable included in consideration for investment</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NotionalAmountOfExecutedInterestRateSwaps" xlink:label="wm_NotionalAmountOfExecutedInterestRateSwaps" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NotionalAmountOfExecutedInterestRateSwaps" xlink:to="wm_NotionalAmountOfExecutedInterestRateSwaps_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NotionalAmountOfExecutedInterestRateSwaps_lbl" xml:lang="en-US">Notional Amount of Executed Interest Rate Swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NotionalAmountOfExecutedInterestRateSwaps_lbl" xml:lang="en-US">Notional amount of executed interest rate swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NotionalAmountOfExecutedInterestRateSwaps_lbl" xml:lang="en-US">Notional amount of executed interest rate swaps.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue" xlink:label="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue" xlink:to="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue_lbl" xml:lang="en-US">Number of landfills adjacent to or near homeowners properties with agreements guaranteeing market value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue_lbl" xml:lang="en-US">Number of landfills adjacent to or near homeowners' properties with agreements guaranteeing market value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue_lbl" xml:lang="en-US">Number of landfills adjacent to or near homeowners properties with agreements guaranteeing market value.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ApproximateNumberOfHomeownersPropertiesToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue" xlink:label="wm_ApproximateNumberOfHomeownersPropertiesToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ApproximateNumberOfHomeownersPropertiesToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue" xlink:to="wm_ApproximateNumberOfHomeownersPropertiesToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ApproximateNumberOfHomeownersPropertiesToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue_lbl" xml:lang="en-US">Approximate Number of Homeowners' Properties to or Near Certain of our Landfills with Agreements Guaranteeing Market Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ApproximateNumberOfHomeownersPropertiesToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue_lbl" xml:lang="en-US">Approximate number of homeowners' properties adjacent to or near certain of our landfills with agreements guaranteeing market value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ApproximateNumberOfHomeownersPropertiesToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue_lbl" xml:lang="en-US">Approximate number of homeowners properties to or near certain of our landfills with agreements guaranteeing market value.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="us-gaap_RestructuringCharges" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringCharges" xlink:to="lab_RestructuringCharges" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RestructuringCharges" xml:lang="en-US">Restructuring Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_RestructuringCharges" xml:lang="en-US">Restructuring Charges, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_RestructuringCharges" xml:lang="en-US">Restructuring Charges, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RestructuringCharges" xml:lang="en-US">Restructuring</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems" xlink:to="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems_lbl" xml:lang="en-US">Income Expense from Divestitures Asset Impairments and Unusual Items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems_lbl" xml:lang="en-US">(Income) expense from divestitures, asset impairments and unusual items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems_lbl" xml:lang="en-US">(Income) expense from divestitures, asset impairments and unusual items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems_lbl" xml:lang="en-US">The aggregate amount of asset impairment charges, gains and losses related to the divestiture of businesses, and unusual items incurred during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExtraordinaryAndUnusualItemsAbstract" xlink:label="us-gaap_ExtraordinaryAndUnusualItemsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtraordinaryAndUnusualItemsAbstract" xlink:to="lab_ExtraordinaryAndUnusualItemsAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ExtraordinaryAndUnusualItemsAbstract" xml:lang="en-US">(Income) Expense from Divestitures, Asset Impairments and Unusual Items [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UnusualOrInfrequentItemsDisclosureTextBlock" xlink:label="us-gaap_UnusualOrInfrequentItemsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnusualOrInfrequentItemsDisclosureTextBlock" xlink:to="lab_UnusualOrInfrequentItemsDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_UnusualOrInfrequentItemsDisclosureTextBlock" xml:lang="en-US">Unusual or Infrequent Items Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_UnusualOrInfrequentItemsDisclosureTextBlock" xml:lang="en-US">(Income) Expense from Divestitures, Asset Impairments and Unusual Items</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainLossRelatedToLitigationSettlement" xlink:label="us-gaap_GainLossRelatedToLitigationSettlement" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossRelatedToLitigationSettlement" xlink:to="lab_GainLossRelatedToLitigationSettlement" />
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetailsAbstract" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetailsAbstract" xlink:to="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetailsAbstract_lbl" xml:lang="en-US">(Income) Expense from Divestitures, Asset Impairments and Unusual Items (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetailsAbstract_lbl" xml:lang="en-US">Income expense from divestitures, asset impairments and unusual items.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LandfillLiabilitiesMember" xlink:label="wm_LandfillLiabilitiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LandfillLiabilitiesMember" xlink:to="wm_LandfillLiabilitiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LandfillLiabilitiesMember_lbl" xml:lang="en-US">Landfill Liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LandfillLiabilitiesMember_lbl" xml:lang="en-US">Landfill Liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LandfillLiabilitiesMember_lbl" xml:lang="en-US">Landfill liabilities.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EnvironmentalRemediationLiabilitiesMember" xlink:label="wm_EnvironmentalRemediationLiabilitiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EnvironmentalRemediationLiabilitiesMember" xlink:to="wm_EnvironmentalRemediationLiabilitiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EnvironmentalRemediationLiabilitiesMember_lbl" xml:lang="en-US">Environmental Remediation Liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EnvironmentalRemediationLiabilitiesMember_lbl" xml:lang="en-US">Environmental Remediation Liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EnvironmentalRemediationLiabilitiesMember_lbl" xml:lang="en-US">Environmental remediation liabilities.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SiteContingencyTable" xlink:label="us-gaap_SiteContingencyTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SiteContingencyTable" xlink:to="lab_SiteContingencyTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SiteContingencyTable" xml:lang="en-US">Site Contingency [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EnvironmentalExitCostByPropertyAxis" xlink:label="us-gaap_EnvironmentalExitCostByPropertyAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EnvironmentalExitCostByPropertyAxis" xlink:to="lab_EnvironmentalExitCostByPropertyAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EnvironmentalExitCostByPropertyAxis" xml:lang="en-US">Environmental Exit Cost by Property [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EnvironmentalExitCostsNameOfPropertyDomain" xlink:label="us-gaap_EnvironmentalExitCostsNameOfPropertyDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EnvironmentalExitCostsNameOfPropertyDomain" xlink:to="lab_EnvironmentalExitCostsNameOfPropertyDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EnvironmentalExitCostsNameOfPropertyDomain" xml:lang="en-US">Environmental Exit Costs, Name of Property [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EnvironmentalExitCostLineItems" xlink:label="us-gaap_EnvironmentalExitCostLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EnvironmentalExitCostLineItems" xlink:to="lab_EnvironmentalExitCostLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EnvironmentalExitCostLineItems" xml:lang="en-US">Landfill and Environmental Remediation Liabilities [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEnvironmentalExitCostTable" xlink:label="us-gaap_ScheduleOfEnvironmentalExitCostTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEnvironmentalExitCostTable" xlink:to="lab_ScheduleOfEnvironmentalExitCostTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEnvironmentalExitCostTable" xml:lang="en-US">Schedule of Environmental Exit Cost [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentMaturityDateRangeEnd" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeEnd" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDateRangeEnd" xlink:to="lab_DebtInstrumentMaturityDateRangeEnd" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentMaturityDateRangeEnd" xml:lang="en-US">Debt Instrument, Maturity Date Range, End</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DebtInstrumentMaturityDateRangeEnd" xml:lang="en-US">End period of maturity for debt instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentMaturityDateRangeEnd" xml:lang="en-US">Maturity of senior notes, debentures and tax-exempt bonds and tax-exempt project bonds</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentMaturityDateRangeStart" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeStart" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDateRangeStart" xlink:to="lab_DebtInstrumentMaturityDateRangeStart" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentMaturityDateRangeStart" xml:lang="en-US">Debt Instrument, Maturity Date Range, Start</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_DebtInstrumentMaturityDateRangeStart" xml:lang="en-US">Start period of maturity for debt instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DebtInstrumentMaturityDateRangeStart" xml:lang="en-US">Start period of maturity for letter of credit capacity under facilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LetterOfCreditMember" xlink:label="us-gaap_LetterOfCreditMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LetterOfCreditMember" xlink:to="lab_LetterOfCreditMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LetterOfCreditMember" xml:lang="en-US">Letter of Credit [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LetterOfCreditMember" xml:lang="en-US">Letter of credit facility [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_VariableInterestEntityTermsOfArrangements" xlink:label="us-gaap_VariableInterestEntityTermsOfArrangements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableInterestEntityTermsOfArrangements" xlink:to="lab_VariableInterestEntityTermsOfArrangements" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_VariableInterestEntityTermsOfArrangements" xml:lang="en-US">Variable Interest Entity, Terms of Arrangements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_VariableInterestEntityTermsOfArrangements" xml:lang="en-US">Under the LLC agreements, the LLC shall be dissolved upon the occurrence of any of the following events</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:to="lab_FairValueMeasurementInputsDisclosureTextBlock" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeTable" xlink:label="us-gaap_DerivativeTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeTable" xlink:to="lab_DerivativeTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeTable" xml:lang="en-US">Derivative [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="us-gaap_DerivativeByNatureAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeByNatureAxis" xlink:to="lab_DerivativeByNatureAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeByNatureAxis" xml:lang="en-US">Derivative, by Nature [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="us-gaap_DerivativeNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeNameDomain" xlink:to="lab_DerivativeNameDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeNameDomain" xml:lang="en-US">Derivative, Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="us-gaap_DerivativeLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLineItems" xlink:to="lab_DerivativeLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeLineItems" xml:lang="en-US">Derivative [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvestmentAggregateCost" xlink:label="us-gaap_EquityMethodInvestmentAggregateCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentAggregateCost" xlink:to="lab_EquityMethodInvestmentAggregateCost" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvestmentAggregateCost" xml:lang="en-US">Equity Method Investment, Aggregate Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EquityMethodInvestmentAggregateCost" xml:lang="en-US">Consideration for investment</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueMeasurementsTablesAbstract" xlink:label="wm_FairValueMeasurementsTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueMeasurementsTablesAbstract" xlink:to="wm_FairValueMeasurementsTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueMeasurementsTablesAbstract_lbl" xml:lang="en-US">Fair Value Measurements (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueMeasurementsTablesAbstract_lbl" xml:lang="en-US">Fair value measurements.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ElectricityCommodityContractsMember" xlink:label="wm_ElectricityCommodityContractsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ElectricityCommodityContractsMember" xlink:to="wm_ElectricityCommodityContractsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ElectricityCommodityContractsMember_lbl" xml:lang="en-US">Electricity Commodity Contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ElectricityCommodityContractsMember_lbl" xml:lang="en-US">Electricity commodity contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ElectricityCommodityContractsMember_lbl" xml:lang="en-US">Electricity commodity contracts.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ExpectedNumberOfMegawattHoursHedgedByElectricitySwaps" xlink:label="wm_ExpectedNumberOfMegawattHoursHedgedByElectricitySwaps" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ExpectedNumberOfMegawattHoursHedgedByElectricitySwaps" xlink:to="wm_ExpectedNumberOfMegawattHoursHedgedByElectricitySwaps_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ExpectedNumberOfMegawattHoursHedgedByElectricitySwaps_lbl" xml:lang="en-US">Expected Number of Megawatt Hours Hedged by Electricity Swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ExpectedNumberOfMegawattHoursHedgedByElectricitySwaps_lbl" xml:lang="en-US">Expected number of megawatt hours hedged by electricity swaps.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ExpectedNumberOfMegawattHoursHedgedByElectricitySwaps_lbl" xml:lang="en-US">Expected number of megawatt hours hedged by electricity swaps</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ExpectedPercentageOfMerchantElectricitySalesHedged" xlink:label="wm_ExpectedPercentageOfMerchantElectricitySalesHedged" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ExpectedPercentageOfMerchantElectricitySalesHedged" xlink:to="wm_ExpectedPercentageOfMerchantElectricitySalesHedged_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ExpectedPercentageOfMerchantElectricitySalesHedged_lbl" xml:lang="en-US">Expected Percentage of Merchant Electricity Sales Hedged</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ExpectedPercentageOfMerchantElectricitySalesHedged_lbl" xml:lang="en-US">Expected percentage of merchant electricity sales hedged.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ExpectedPercentageOfMerchantElectricitySalesHedged_lbl" xml:lang="en-US">Expected percentage of merchant electricity sales hedged</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TenorOfSeniorNotesIssuedInFebruaryTwoThousandEleven" xlink:label="wm_TenorOfSeniorNotesIssuedInFebruaryTwoThousandEleven" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TenorOfSeniorNotesIssuedInFebruaryTwoThousandEleven" xlink:to="wm_TenorOfSeniorNotesIssuedInFebruaryTwoThousandEleven_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TenorOfSeniorNotesIssuedInFebruaryTwoThousandEleven_lbl" xml:lang="en-US">Tenor of Senior Notes Issued in February Two Thousand Eleven</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TenorOfSeniorNotesIssuedInFebruaryTwoThousandEleven_lbl" xml:lang="en-US">Tenor of senior notes issued in February 2011 in years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TenorOfSeniorNotesIssuedInFebruaryTwoThousandEleven_lbl" xml:lang="en-US">Tenor of senior notes issued in February 2011.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EquityMethodInvestmentsDebtBalance" xlink:label="wm_EquityMethodInvestmentsDebtBalance" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EquityMethodInvestmentsDebtBalance" xlink:to="wm_EquityMethodInvestmentsDebtBalance_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EquityMethodInvestmentsDebtBalance_lbl" xml:lang="en-US">Equity Method Investments Debt Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EquityMethodInvestmentsDebtBalance_lbl" xml:lang="en-US">Equity method investments debt balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EquityMethodInvestmentsDebtBalance_lbl" xml:lang="en-US">Equity method investments debt balance.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CarryingValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" xlink:label="wm_CarryingValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CarryingValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" xlink:to="wm_CarryingValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CarryingValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Carrying Value of Restricted Trust Funds and Escrow Accounts for which Company is Not Sole Beneficiary Specifically for Future Settlement of Landfill and Environmental Remediation Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CarryingValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Carrying value of restricted trust funds and escrow accounts for which the company is not the sole beneficiary specifically for future settlement of landfill and environmental remediation liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CarryingValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Carrying value of restricted trust funds and escrow accounts for which company is the not sole beneficiary specifically for future settlement of landfill and environmental remediation liabilities</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NewAccountingStandardsPendingAdoptionTextBlock" xlink:label="wm_NewAccountingStandardsPendingAdoptionTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NewAccountingStandardsPendingAdoptionTextBlock" xlink:to="wm_NewAccountingStandardsPendingAdoptionTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NewAccountingStandardsPendingAdoptionTextBlock_lbl" xml:lang="en-US">New Accounting Standards Pending Adoption [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NewAccountingStandardsPendingAdoptionTextBlock_lbl" xml:lang="en-US">New Accounting Pronouncements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NewAccountingStandardsPendingAdoptionTextBlock_lbl" xml:lang="en-US">New accounting standards pending adoption.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_InterestAndOtherIncomeExpense" xlink:label="wm_InterestAndOtherIncomeExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_InterestAndOtherIncomeExpense" xlink:to="wm_InterestAndOtherIncomeExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InterestAndOtherIncomeExpense_lbl" xml:lang="en-US">Interest and other Income Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_InterestAndOtherIncomeExpense_lbl" xml:lang="en-US">Total other income (expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InterestAndOtherIncomeExpense_lbl" xml:lang="en-US">Interest and other income (expense), total.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_InterestAndOtherIncomeExpense_lbl" xml:lang="en-US">Total other income (expense)</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueInterestRateHedgesImpactToInterestExpenseTextBlock" xlink:label="wm_FairValueInterestRateHedgesImpactToInterestExpenseTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueInterestRateHedgesImpactToInterestExpenseTextBlock" xlink:to="wm_FairValueInterestRateHedgesImpactToInterestExpenseTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueInterestRateHedgesImpactToInterestExpenseTextBlock_lbl" xml:lang="en-US">Fair Value Interest Rate Hedges Impact to Interest Expense [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueInterestRateHedgesImpactToInterestExpenseTextBlock_lbl" xml:lang="en-US">Impact of periodic settlements of active swap agreements and the impact of terminated swap agreements on results of operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueInterestRateHedgesImpactToInterestExpenseTextBlock_lbl" xml:lang="en-US">Fair value interest rate hedges total impact to interest expense.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ComponentsOfDebt" xlink:label="wm_ComponentsOfDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ComponentsOfDebt" xlink:to="wm_ComponentsOfDebt_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ComponentsOfDebt_lbl" xml:lang="en-US">Components of Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_ComponentsOfDebt_lbl" xml:lang="en-US">Total long-term debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ComponentsOfDebt_lbl" xml:lang="en-US">Components of debt, total.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueInterestRateHedgesImpactToInterestExpense" xlink:label="wm_FairValueInterestRateHedgesImpactToInterestExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueInterestRateHedgesImpactToInterestExpense" xlink:to="wm_FairValueInterestRateHedgesImpactToInterestExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueInterestRateHedgesImpactToInterestExpense_lbl" xml:lang="en-US">Fair Value Interest Rate Hedges Impact to Interest Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueInterestRateHedgesImpactToInterestExpense_lbl" xml:lang="en-US">Fair value interest rate hedges, total impact to interest expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_FairValueInterestRateHedgesImpactToInterestExpense_lbl" xml:lang="en-US">Total</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_OperatingGroupMember" xlink:label="wm_OperatingGroupMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OperatingGroupMember" xlink:to="wm_OperatingGroupMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OperatingGroupMember_lbl" xml:lang="en-US">Operating Group [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_OperatingGroupMember_lbl" xml:lang="en-US">Operating Group Total [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OperatingGroupMember_lbl" xml:lang="en-US">Operating group total.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueAssetsMeasuredOnRecurringBasis" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueAssetsMeasuredOnRecurringBasis" xlink:to="wm_FairValueAssetsMeasuredOnRecurringBasis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasis_lbl" xml:lang="en-US">Fair Value Assets Measured on Recurring Basis</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasis_lbl" xml:lang="en-US">Total assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasis_lbl" xml:lang="en-US">Fair value assets measured on recurring basis, total.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueLiabilitiesMeasuredOnRecurringBasis" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueLiabilitiesMeasuredOnRecurringBasis" xlink:to="wm_FairValueLiabilitiesMeasuredOnRecurringBasis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasis_lbl" xml:lang="en-US">Fair Value Liabilities Measured on Recurring Basis</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasis_lbl" xml:lang="en-US">Total liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueLiabilitiesMeasuredOnRecurringBasis_lbl" xml:lang="en-US">Fair value liabilities measured on recurring basis, total.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CurrentAssetsExcludingCashAndCashEquivalents" xlink:label="wm_CurrentAssetsExcludingCashAndCashEquivalents" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CurrentAssetsExcludingCashAndCashEquivalents" xlink:to="wm_CurrentAssetsExcludingCashAndCashEquivalents_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CurrentAssetsExcludingCashAndCashEquivalents_lbl" xml:lang="en-US">Current Assets Excluding Cash and Cash Equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CurrentAssetsExcludingCashAndCashEquivalents_lbl" xml:lang="en-US">Total current assets excluding cash and cash equivalents.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CurrentAssetsExcludingCashAndCashEquivalents_lbl" xml:lang="en-US">Other current assets</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt" xlink:label="wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt" xlink:to="wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt_lbl" xml:lang="en-US">Current Liabilities Excluding Current Portion of Long Term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt_lbl" xml:lang="en-US">Total current liabilities excluding current portion of long-term debt.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt_lbl" xml:lang="en-US">Accounts payable and other current liabilities</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LongTermLiabilitiesExcludingLongTermDebt" xlink:label="wm_LongTermLiabilitiesExcludingLongTermDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LongTermLiabilitiesExcludingLongTermDebt" xlink:to="wm_LongTermLiabilitiesExcludingLongTermDebt_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LongTermLiabilitiesExcludingLongTermDebt_lbl" xml:lang="en-US">Long Term Liabilities Excluding Long Term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LongTermLiabilitiesExcludingLongTermDebt_lbl" xml:lang="en-US">Other liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LongTermLiabilitiesExcludingLongTermDebt_lbl" xml:lang="en-US">Total long-term liabilities excluding long-term debt.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates" xlink:label="wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates" xlink:to="wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates_lbl" xml:lang="en-US">Long Term Assets Excluding Property Plant and Equipment and Investments in and Advances to Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates_lbl" xml:lang="en-US">Total long term assets excluding property, plant and equipment and investments in and advances to affiliates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates_lbl" xml:lang="en-US">Other assets</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity" xlink:label="wm_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity" xlink:to="wm_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity_lbl" xml:lang="en-US">Notional Amount of Cash Flow Hedge Instruments Electricity Commodity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity_lbl" xml:lang="en-US">Notional amount of cash flow hedge instruments electricity commodity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity_lbl" xml:lang="en-US">Number of megawatt hours hedged by electricity swaps</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales" xlink:label="wm_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales" xlink:to="wm_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales_lbl" xml:lang="en-US">Notional Amount of Electricity Commodity Hedge Instruments as Percentage of Merchant Electricity Sales</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales_lbl" xml:lang="en-US">Notional amount of electricity commodity hedge instruments as percentage of merchant Electricity sales.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales_lbl" xml:lang="en-US">Percentage of merchant electricity sales hedged</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_OtherTransaction" xlink:label="wm_OtherTransaction" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OtherTransaction" xlink:to="wm_OtherTransaction_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OtherTransaction_lbl" xml:lang="en-US">Other Transaction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OtherTransaction_lbl" xml:lang="en-US">Other transaction.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_OtherTransaction_lbl" xml:lang="en-US">Other</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RevolvingCreditFacilityMember" xlink:label="wm_RevolvingCreditFacilityMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RevolvingCreditFacilityMember" xlink:to="wm_RevolvingCreditFacilityMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RevolvingCreditFacilityMember_lbl" xml:lang="en-US">Revolving Credit Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RevolvingCreditFacilityMember_lbl" xml:lang="en-US">Revolving credit facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RevolvingCreditFacilityMember_lbl" xml:lang="en-US">Revolving credit facility.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:to="lab_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xml:lang="en-US">Total purchase price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xml:lang="en-US">Business Acquisition Cost of Acquired Entity Purchase Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xml:lang="en-US">Acquisition cost of acquired entity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xml:lang="en-US">Cost of acquired entity, purchase price</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationDisclosureTextBlock" xlink:to="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xml:lang="en-US">Business Combination Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xml:lang="en-US">Acquisitions and Divestitures</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xlink:to="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables_lbl" xml:lang="en-US">Business Acquisition Purchase Price Allocation Current Assets Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables_lbl" xml:lang="en-US">Accounts and other receivables</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets" xlink:to="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets_lbl" xml:lang="en-US">Business Acquisition Purchase Price Allocation Current Assets Prepaid Expense And Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets_lbl" xml:lang="en-US">Other current assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xlink:to="us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment_lbl" xml:lang="en-US">Business Acquisition Purchase Price Allocation Property Plant and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment_lbl" xml:lang="en-US">Allocation of purchase price to property and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment_lbl" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment_lbl" xml:lang="en-US">Property and equipment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:to="us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount_lbl" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" xlink:to="us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed_lbl" xml:lang="en-US">Business Acquisition Purchase Price Allocation Liabilities Assumed</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed_lbl" xml:lang="en-US">Accounts payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed_lbl" xml:lang="en-US">Business acquisition, assumed liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed_lbl" xml:lang="en-US">Liabilities assumed</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAbstract" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationAbstract_lbl" xml:lang="en-US">Adjustments to preliminary purchase price allocation</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationAbstract" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionProFormaInformationAbstract" xml:lang="en-US">Pro forma consolidated results of operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionProFormaInformationAbstract" xml:lang="en-US">Business Acquisition, Pro Forma Information [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaRevenue" xlink:label="us-gaap_BusinessAcquisitionProFormaRevenue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaRevenue" xlink:to="lab_BusinessAcquisitionProFormaRevenue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionProFormaRevenue" xml:lang="en-US">Business Acquisition, Pro Forma Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionProFormaRevenue" xml:lang="en-US">Operating revenues</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaNetIncomeLoss" xlink:label="us-gaap_BusinessAcquisitionProFormaNetIncomeLoss" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaNetIncomeLoss" xlink:to="lab_BusinessAcquisitionProFormaNetIncomeLoss" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionProFormaNetIncomeLoss" xml:lang="en-US">Business Acquisition, Pro Forma Net Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionProFormaNetIncomeLoss" xml:lang="en-US">Net income attributable to Waste Management, Inc.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" xlink:to="lab_BusinessAcquisitionProFormaEarningsPerShareBasic" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionProFormaEarningsPerShareBasic" xml:lang="en-US">Business Acquisition, Pro Forma Earnings Per Share, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionProFormaEarningsPerShareBasic" xml:lang="en-US">Basic earnings per common share</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" xlink:to="lab_BusinessAcquisitionProFormaEarningsPerShareDiluted" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionProFormaEarningsPerShareDiluted" xml:lang="en-US">Business Acquisition, Pro Forma Earnings Per Share, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionProFormaEarningsPerShareDiluted" xml:lang="en-US">Diluted earnings per common share</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_OakleafMember" xlink:label="wm_OakleafMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OakleafMember" xlink:to="wm_OakleafMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OakleafMember_lbl" xml:lang="en-US">Oakleaf [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_OakleafMember_lbl" xml:lang="en-US">Oakleaf [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OakleafMember_lbl" xml:lang="en-US">Oakleaf.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:to="lab_BusinessCombinationAcquisitionRelatedCosts" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationAcquisitionRelatedCosts" xml:lang="en-US">Business Combination, Acquisition Related Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationAcquisitionRelatedCosts" xml:lang="en-US">Acquisition-related costs classified as Selling, general and administrative expenses</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="lab_ScheduleOfBusinessAcquisitionsByAcquisitionTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xml:lang="en-US">Schedule of Business Acquisitions, by Acquisition [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAxis" xlink:to="lab_BusinessAcquisitionAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionAxis" xml:lang="en-US">Business Acquisition [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="lab_BusinessAcquisitionAcquireeDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionAcquireeDomain" xml:lang="en-US">Business Acquisition, Acquiree [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="us-gaap_BusinessAcquisitionLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionLineItems" xlink:to="lab_BusinessAcquisitionLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionLineItems" xml:lang="en-US">Business Acquisition [Line Items]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RestructuringAbstract" xlink:label="wm_RestructuringAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RestructuringAbstract" xlink:to="wm_RestructuringAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RestructuringAbstract_lbl" xml:lang="en-US">Restructuring [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RestructuringAbstract_lbl" xml:lang="en-US">Restructuring.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock" xlink:label="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock" xlink:to="lab_RestructuringAndRelatedActivitiesDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RestructuringAndRelatedActivitiesDisclosureTextBlock" xml:lang="en-US">Restructuring and Related Activities Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RestructuringAndRelatedActivitiesDisclosureTextBlock" xml:lang="en-US">Restructuring</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RestructuringTablesAbstract" xlink:label="wm_RestructuringTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RestructuringTablesAbstract" xlink:to="wm_RestructuringTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RestructuringTablesAbstract_lbl" xml:lang="en-US">Restructuring [Tables] [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RestructuringTablesAbstract_lbl" xml:lang="en-US">Restructuring.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="lab_ScheduleOfRestructuringAndRelatedCostsTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfRestructuringAndRelatedCostsTable" xml:lang="en-US">Schedule of Restructuring and Related Costs [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestructuringAndRelatedCostLineItems" xlink:label="us-gaap_RestructuringAndRelatedCostLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringAndRelatedCostLineItems" xlink:to="lab_RestructuringAndRelatedCostLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RestructuringAndRelatedCostLineItems" xml:lang="en-US">Restructuring and Related Cost [Line Items]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NumberOfEmployeePositionsEliminated" xlink:label="wm_NumberOfEmployeePositionsEliminated" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfEmployeePositionsEliminated" xlink:to="wm_NumberOfEmployeePositionsEliminated_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfEmployeePositionsEliminated_lbl" xml:lang="en-US">Number of Employee Positions Eliminated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfEmployeePositionsEliminated_lbl" xml:lang="en-US">Number of employee positions eliminated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfEmployeePositionsEliminated_lbl" xml:lang="en-US">Number of employee positions eliminated</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RestructuringSeveranceAndBenefitReserveSettledWithCash" xlink:label="wm_RestructuringSeveranceAndBenefitReserveSettledWithCash" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RestructuringSeveranceAndBenefitReserveSettledWithCash" xlink:to="wm_RestructuringSeveranceAndBenefitReserveSettledWithCash_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RestructuringSeveranceAndBenefitReserveSettledWithCash_lbl" xml:lang="en-US">Restructuring Severance and Benefit Reserve Settled with Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RestructuringSeveranceAndBenefitReserveSettledWithCash_lbl" xml:lang="en-US">Employee severance and benefit cost payments through the balance sheet date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RestructuringSeveranceAndBenefitReserveSettledWithCash_lbl" xml:lang="en-US">Restructuring severance and benefit reserve settled with cash.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SeveranceCosts" xlink:label="us-gaap_SeveranceCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeveranceCosts" xlink:to="lab_SeveranceCosts" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SeveranceCosts" xml:lang="en-US">Severance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SeveranceCosts" xml:lang="en-US">Pre-tax restructuring charges associated with this reorganization related to employee severance and benefit costs</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_OperationsNotManagedThroughOtherOperatingGroupsMember" xlink:label="wm_OperationsNotManagedThroughOtherOperatingGroupsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OperationsNotManagedThroughOtherOperatingGroupsMember" xlink:to="wm_OperationsNotManagedThroughOtherOperatingGroupsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OperationsNotManagedThroughOtherOperatingGroupsMember_lbl" xml:lang="en-US">Operations Not Managed through Other Operating Groups [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_OperationsNotManagedThroughOtherOperatingGroupsMember_lbl" xml:lang="en-US">Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OperationsNotManagedThroughOtherOperatingGroupsMember_lbl" xml:lang="en-US">Operations not managed through other operating groups.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncreaseInBonusDepreciationAllowanceLow" xlink:label="wm_IncreaseInBonusDepreciationAllowanceLow" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncreaseInBonusDepreciationAllowanceLow" xlink:to="wm_IncreaseInBonusDepreciationAllowanceLow_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncreaseInBonusDepreciationAllowanceLow_lbl" xml:lang="en-US">Increase in Bonus Depreciation Allowance Low</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncreaseInBonusDepreciationAllowanceLow_lbl" xml:lang="en-US">Increase in the bonus depreciation allowance low</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncreaseInBonusDepreciationAllowanceLow_lbl" xml:lang="en-US">Increase in the bonus depreciation allowance low.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncreaseInBonusDepreciationAllowanceHigh" xlink:label="wm_IncreaseInBonusDepreciationAllowanceHigh" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncreaseInBonusDepreciationAllowanceHigh" xlink:to="wm_IncreaseInBonusDepreciationAllowanceHigh_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncreaseInBonusDepreciationAllowanceHigh_lbl" xml:lang="en-US">Increase in Bonus Depreciation Allowance High</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncreaseInBonusDepreciationAllowanceHigh_lbl" xml:lang="en-US">Increase in the bonus depreciation allowance high.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncreaseInBonusDepreciationAllowanceHigh_lbl" xml:lang="en-US">Increase in the bonus depreciation allowance high</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:to="lab_BusinessAcquisitionProFormaInformationTextBlock" />
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RestructuringChargesEasternMember" xlink:label="wm_RestructuringChargesEasternMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RestructuringChargesEasternMember" xlink:to="wm_RestructuringChargesEasternMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RestructuringChargesEasternMember_lbl" xml:lang="en-US">Restructuring Charges Eastern [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RestructuringChargesEasternMember_lbl" xml:lang="en-US">Restructuring Charges Eastern [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RestructuringChargesEasternMember_lbl" xml:lang="en-US">Restructuring charges eastern</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RestructuringChargesMidwestMember" xlink:label="wm_RestructuringChargesMidwestMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RestructuringChargesMidwestMember" xlink:to="wm_RestructuringChargesMidwestMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RestructuringChargesMidwestMember_lbl" xml:lang="en-US">Restructuring Charges Midwest [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RestructuringChargesMidwestMember_lbl" xml:lang="en-US">Restructuring Charges Midwest [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RestructuringChargesMidwestMember_lbl" xml:lang="en-US">Restructuring charges Midwest.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RestructuringChargesSouthernMember" xlink:label="wm_RestructuringChargesSouthernMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RestructuringChargesSouthernMember" xlink:to="wm_RestructuringChargesSouthernMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RestructuringChargesSouthernMember_lbl" xml:lang="en-US">Restructuring Charges Southern [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RestructuringChargesSouthernMember_lbl" xml:lang="en-US">Restructuring Charges Southern [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RestructuringChargesSouthernMember_lbl" xml:lang="en-US">Restructuring charges southern.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RestructuringChargesWesternMember" xlink:label="wm_RestructuringChargesWesternMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RestructuringChargesWesternMember" xlink:to="wm_RestructuringChargesWesternMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RestructuringChargesWesternMember_lbl" xml:lang="en-US">Restructuring Charges Western [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RestructuringChargesWesternMember_lbl" xml:lang="en-US">Restructuring Charges Western [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RestructuringChargesWesternMember_lbl" xml:lang="en-US">Restructuring charges western.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RestructuringChargesWheelabratorMember" xlink:label="wm_RestructuringChargesWheelabratorMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RestructuringChargesWheelabratorMember" xlink:to="wm_RestructuringChargesWheelabratorMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RestructuringChargesWheelabratorMember_lbl" xml:lang="en-US">Restructuring Charges Wheelabrator [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RestructuringChargesWheelabratorMember_lbl" xml:lang="en-US">Restructuring Charges Wheelabrator [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RestructuringChargesWheelabratorMember_lbl" xml:lang="en-US">Restructuring charges Wheelabrator.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock" xlink:label="wm_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock" xlink:to="wm_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock_lbl" xml:lang="en-US">Segment and Corporate and Other Charges Associated with Restructuring Pre Tax [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock_lbl" xml:lang="en-US">Segment and corporate and other charges associated with restructuring, pre tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock_lbl" xml:lang="en-US">Segment and corporate and other charges associated with restructuring pre tax.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract" xlink:to="wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract_lbl" xml:lang="en-US">Landfill and Environmental Remediation Liabilities (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract_lbl" xml:lang="en-US">Landfill and Environmental Remediation Liabilities (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesTextualAbstract_lbl" xml:lang="en-US">Landfill and environmental remediation liabilities.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DebtTextualAbstract" xlink:label="wm_DebtTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtTextualAbstract" xlink:to="wm_DebtTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtTextualAbstract_lbl" xml:lang="en-US">Debt (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtTextualAbstract_lbl" xml:lang="en-US">Debt.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DebtTextualAbstract_lbl" xml:lang="en-US">Debt (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DebtAdditionalTextualAbstract" xlink:label="wm_DebtAdditionalTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtAdditionalTextualAbstract" xlink:to="wm_DebtAdditionalTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtAdditionalTextualAbstract_lbl" xml:lang="en-US">Debt Additional (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DebtAdditionalTextualAbstract_lbl" xml:lang="en-US">Debt (Additional) (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtAdditionalTextualAbstract_lbl" xml:lang="en-US">Debt additional.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" xlink:to="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract_lbl" xml:lang="en-US">Derivative Instruments and Hedging Activities (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract_lbl" xml:lang="en-US">Derivative instruments and hedging activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract_lbl" xml:lang="en-US">Derivative Instruments and Hedging Activities (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncomeTaxesAdditionalTextualAbstract" xlink:label="wm_IncomeTaxesAdditionalTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncomeTaxesAdditionalTextualAbstract" xlink:to="wm_IncomeTaxesAdditionalTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncomeTaxesAdditionalTextualAbstract_lbl" xml:lang="en-US">Income Taxes (Additional) (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncomeTaxesAdditionalTextualAbstract_lbl" xml:lang="en-US">Income Taxes (Additional) (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeTaxesAdditionalTextualAbstract_lbl" xml:lang="en-US">Income taxes.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_VariableInterestEntitiesTextualAbstract" xlink:label="wm_VariableInterestEntitiesTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VariableInterestEntitiesTextualAbstract" xlink:to="wm_VariableInterestEntitiesTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VariableInterestEntitiesTextualAbstract_lbl" xml:lang="en-US">Variable Interest Entities (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VariableInterestEntitiesTextualAbstract_lbl" xml:lang="en-US">Variable interest entities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_VariableInterestEntitiesTextualAbstract_lbl" xml:lang="en-US">Variable Interest Entities (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RestructuringChargesCorporateAndOtherMember" xlink:label="wm_RestructuringChargesCorporateAndOtherMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RestructuringChargesCorporateAndOtherMember" xlink:to="wm_RestructuringChargesCorporateAndOtherMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RestructuringChargesCorporateAndOtherMember_lbl" xml:lang="en-US">Restructuring Charges Corporate and Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RestructuringChargesCorporateAndOtherMember_lbl" xml:lang="en-US">Restructuring Charges Corporate and other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RestructuringChargesCorporateAndOtherMember_lbl" xml:lang="en-US">Restructuring Charges Corporate and other.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeInterest" xlink:to="lab_InvestmentIncomeInterest" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InvestmentIncomeInterest" xml:lang="en-US">Investment Income, Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InvestmentIncomeInterest" xml:lang="en-US">Interest income</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IssuanceOfTaxExemptBonds" xlink:label="wm_IssuanceOfTaxExemptBonds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IssuanceOfTaxExemptBonds" xlink:to="wm_IssuanceOfTaxExemptBonds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IssuanceOfTaxExemptBonds_lbl" xml:lang="en-US">Issuance of Tax-exempt Bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IssuanceOfTaxExemptBonds_lbl" xml:lang="en-US">Issuance of tax-exempt bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IssuanceOfTaxExemptBonds_lbl" xml:lang="en-US">Issuance of tax-exempt bonds.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="us-gaap_RepaymentsOfLinesOfCredit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLinesOfCredit" xlink:to="lab_RepaymentsOfLinesOfCredit" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RepaymentsOfLinesOfCredit" xml:lang="en-US">Repayments of Lines of Credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RepaymentsOfLinesOfCredit" xml:lang="en-US">Repayment under revolving credit facility</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" xlink:label="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" xlink:to="lab_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" xml:lang="en-US">Line of Credit Facility, Increase (Decrease) for Period, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" xml:lang="en-US">Net Repayment of Canadian credit facility debt</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RevolvingCreditFacilityCapacity" xlink:label="wm_RevolvingCreditFacilityCapacity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RevolvingCreditFacilityCapacity" xlink:to="wm_RevolvingCreditFacilityCapacity_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RevolvingCreditFacilityCapacity_lbl" xml:lang="en-US">Revolving Credit Facility Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RevolvingCreditFacilityCapacity_lbl" xml:lang="en-US">Revolving credit facility, total capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RevolvingCreditFacilityCapacity_lbl" xml:lang="en-US">Revolving credit facility capacity.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SegmentAndRelatedInformationTextualAbstract" xlink:label="wm_SegmentAndRelatedInformationTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SegmentAndRelatedInformationTextualAbstract" xlink:to="wm_SegmentAndRelatedInformationTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SegmentAndRelatedInformationTextualAbstract_lbl" xml:lang="en-US">Segment and Related Information (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SegmentAndRelatedInformationTextualAbstract_lbl" xml:lang="en-US">Segment and Related Information (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SegmentAndRelatedInformationTextualAbstract_lbl" xml:lang="en-US">Segment and related information.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueMeasurementsTextualAbstract" xlink:label="wm_FairValueMeasurementsTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueMeasurementsTextualAbstract" xlink:to="wm_FairValueMeasurementsTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueMeasurementsTextualAbstract_lbl" xml:lang="en-US">Fair Value Measurements (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueMeasurementsTextualAbstract_lbl" xml:lang="en-US">Fair value measurements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueMeasurementsTextualAbstract_lbl" xml:lang="en-US">Fair Value Measurements (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xlink:to="lab_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xml:lang="en-US">Total intangible assets subject to amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xml:lang="en-US">Other intangible assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestructuringChargesAbstract" xlink:label="us-gaap_RestructuringChargesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringChargesAbstract" xlink:to="lab_RestructuringChargesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RestructuringChargesAbstract" xml:lang="en-US">Restructuring Charges [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_RestructuringChargesAbstract" xml:lang="en-US">Restructuring (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RestructuringChargesAbstract" xml:lang="en-US">Segmental restructuring charges associated with reorganization, pre tax</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueAssetsMeasuredOnRecurringBasisElectricityCommodityDerivatives" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisElectricityCommodityDerivatives" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueAssetsMeasuredOnRecurringBasisElectricityCommodityDerivatives" xlink:to="wm_FairValueAssetsMeasuredOnRecurringBasisElectricityCommodityDerivatives_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisElectricityCommodityDerivatives_lbl" xml:lang="en-US">Fair Value Assets Measured on Recurring Basis Electricity Commodity Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisElectricityCommodityDerivatives_lbl" xml:lang="en-US">Electricity commodity derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueAssetsMeasuredOnRecurringBasisElectricityCommodityDerivatives_lbl" xml:lang="en-US">Fair value assets measured on recurring basis electricity commodity derivatives.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Net Income (Loss) Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Comprehensive income attributable to noncontrolling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Expense recognized for other companies' noncontrolling interests in LLCs earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Less: Net income attributable to noncontrolling interests</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NetBorrowingsOfSeniorNotes" xlink:label="wm_NetBorrowingsOfSeniorNotes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NetBorrowingsOfSeniorNotes" xlink:to="wm_NetBorrowingsOfSeniorNotes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NetBorrowingsOfSeniorNotes_lbl" xml:lang="en-US">Net Borrowings of Senior Notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NetBorrowingsOfSeniorNotes_lbl" xml:lang="en-US">Net borrowings of senior notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NetBorrowingsOfSeniorNotes_lbl" xml:lang="en-US">Net borrowings of senior notes.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" xlink:to="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents_lbl" xml:lang="en-US">Business Acquisition Purchase Price Allocation Current Assets Cash and Cash Equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents_lbl" xml:lang="en-US">Cash received in acquisition</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="us-gaap_LossContingenciesTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesTable" xlink:to="lab_LossContingenciesTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LossContingenciesTable" xml:lang="en-US">Loss Contingencies [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="us-gaap_LossContingenciesLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesLineItems" xlink:to="lab_LossContingenciesLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LossContingenciesLineItems" xml:lang="en-US">Loss Contingencies [Line Items]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion" xlink:to="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion_lbl" xml:lang="en-US">Income Expense from Divestitures Asset Impairments and Unusual Items Non Cash Portion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion_lbl" xml:lang="en-US">Effect of (income) expense from divestitures, asset impairments and unusual items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion_lbl" xml:lang="en-US">The non-cash portion of the aggregate amount of asset impairment charges, gains and losses related to the divestiture of businesses, and unusual items incurred during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SegmentReportingInformationIntercompanyRevenue" xlink:label="wm_SegmentReportingInformationIntercompanyRevenue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SegmentReportingInformationIntercompanyRevenue" xlink:to="wm_SegmentReportingInformationIntercompanyRevenue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SegmentReportingInformationIntercompanyRevenue_lbl" xml:lang="en-US">Segment Reporting Information Intercompany Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SegmentReportingInformationIntercompanyRevenue_lbl" xml:lang="en-US">Intercompany Operating Revenues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SegmentReportingInformationIntercompanyRevenue_lbl" xml:lang="en-US">Segment reporting information intercompany revenue.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SegmentIncomeFromOperations" xlink:label="wm_SegmentIncomeFromOperations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SegmentIncomeFromOperations" xlink:to="wm_SegmentIncomeFromOperations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SegmentIncomeFromOperations_lbl" xml:lang="en-US">Segment Income from Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SegmentIncomeFromOperations_lbl" xml:lang="en-US">Income from Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SegmentIncomeFromOperations_lbl" xml:lang="en-US">Segment income from operations.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationRevenueFromExternalCustomers" xlink:label="us-gaap_SegmentReportingInformationRevenueFromExternalCustomers" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationRevenueFromExternalCustomers" xlink:to="lab_SegmentReportingInformationRevenueFromExternalCustomers" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingInformationRevenueFromExternalCustomers" xml:lang="en-US">Segment Reporting Information, Revenue from External Customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_SegmentReportingInformationRevenueFromExternalCustomers" xml:lang="en-US">Net Operating Revenues</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome" xlink:label="wm_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome" xlink:to="wm_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome_lbl" xml:lang="en-US">Variable Interest Entity Non-controlling Interest in Consolidated Net Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome_lbl" xml:lang="en-US">Variable interest entity, noncontrolling interest in consolidated net income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome_lbl" xml:lang="en-US">Expense recognized for other companies' noncontrolling interests in LLCs earnings</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NetLossRecognizedByAcquireePostAcquisitionDate" xlink:label="wm_NetLossRecognizedByAcquireePostAcquisitionDate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NetLossRecognizedByAcquireePostAcquisitionDate" xlink:to="wm_NetLossRecognizedByAcquireePostAcquisitionDate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NetLossRecognizedByAcquireePostAcquisitionDate_lbl" xml:lang="en-US">Net Loss Recognized by Acquiree Post Acquisition Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NetLossRecognizedByAcquireePostAcquisitionDate_lbl" xml:lang="en-US">Net income recognized by acquiree post the acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NetLossRecognizedByAcquireePostAcquisitionDate_lbl" xml:lang="en-US">Net loss recognized by acquiree post acquisition date.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesDiscountRate" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesDiscountRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesDiscountRate" xlink:to="lab_AccrualForEnvironmentalLossContingenciesDiscountRate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesDiscountRate" xml:lang="en-US">Risk-free discount rate of the obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesDiscountRate" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Discount Rate</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RevolvingCreditFacilityAmountOutstanding" xlink:label="wm_RevolvingCreditFacilityAmountOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RevolvingCreditFacilityAmountOutstanding" xlink:to="wm_RevolvingCreditFacilityAmountOutstanding_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RevolvingCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Revolving Credit Facility Amount Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_RevolvingCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Outstanding borrowing under revolving credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RevolvingCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Revolving credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RevolvingCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Amount borrowed under the revolving credit facility as of the balance-sheet date.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LetterOfCreditFacilityAmountOutstanding" xlink:label="wm_LetterOfCreditFacilityAmountOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LetterOfCreditFacilityAmountOutstanding" xlink:to="wm_LetterOfCreditFacilityAmountOutstanding_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LetterOfCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Letter of Credit Facility Amount Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LetterOfCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Letter of credit facilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LetterOfCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Amount borrowed under letter of credit facilities as of the balance-sheet date.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesNet" xlink:label="wm_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesNet" xlink:to="wm_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesNet_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesNet_lbl" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Deferred income taxes net</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="wm_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesNet_lbl" xml:lang="en-US">Deferred income taxes, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesNet_lbl" xml:lang="en-US">Business acquisition, purchase price allocation, deferred income taxes, net.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedLiabilities" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedLiabilities" xlink:to="lab_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedLiabilities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedLiabilities" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Current Liabilities, Accrued Liabilities</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedLiabilities" xml:lang="en-US">Accrued liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" xlink:to="lab_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" xml:lang="en-US">Other liabilities</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PreliminaryAllocationOfPurchasePriceToIntangibleAssetsAbstract" xlink:label="wm_PreliminaryAllocationOfPurchasePriceToIntangibleAssetsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PreliminaryAllocationOfPurchasePriceToIntangibleAssetsAbstract" xlink:to="wm_PreliminaryAllocationOfPurchasePriceToIntangibleAssetsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PreliminaryAllocationOfPurchasePriceToIntangibleAssetsAbstract_lbl" xml:lang="en-US">Preliminary Allocation of the Purchase Price to Intangible Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PreliminaryAllocationOfPurchasePriceToIntangibleAssetsAbstract_lbl" xml:lang="en-US">Preliminary allocation of the purchase price to intangible assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PreliminaryAllocationOfPurchasePriceToIntangibleAssetsAbstract_lbl" xml:lang="en-US">Preliminary allocation of the purchase price to intangible assets.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_VendorRelationshipsMember" xlink:label="wm_VendorRelationshipsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VendorRelationshipsMember" xlink:to="wm_VendorRelationshipsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VendorRelationshipsMember_lbl" xml:lang="en-US">Vendor relationships [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_VendorRelationshipsMember_lbl" xml:lang="en-US">Vendor relationships [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VendorRelationshipsMember_lbl" xml:lang="en-US">Vendor relationships.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="us-gaap_CustomerRelationshipsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerRelationshipsMember" xlink:to="lab_CustomerRelationshipsMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CustomerRelationshipsMember" xml:lang="en-US">Customer Relationships [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CustomerRelationshipsMember" xml:lang="en-US">Customer relationships [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TrademarksMember" xlink:label="us-gaap_TrademarksMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TrademarksMember" xlink:to="lab_TrademarksMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TrademarksMember" xml:lang="en-US">Trademarks [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_TrademarksMember" xml:lang="en-US">Trademarks [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsWeightedAverageAmortizationPeriod" xlink:label="wm_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsWeightedAverageAmortizationPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsWeightedAverageAmortizationPeriod" xlink:to="wm_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsWeightedAverageAmortizationPeriod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsWeightedAverageAmortizationPeriod_lbl" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets Weighted Average Amortization Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsWeightedAverageAmortizationPeriod_lbl" xml:lang="en-US">Total intangible assets subject to amortization, weighted average amortization period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsWeightedAverageAmortizationPeriod_lbl" xml:lang="en-US">Business acquisition, purchase price allocation, amortizable intangible assets, weighted average amortization period.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xlink:to="lab_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xml:lang="en-US">Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsByMajorClassAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="lab_AcquiredFiniteLivedIntangibleAssetsByMajorClassAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AcquiredFiniteLivedIntangibleAssetsByMajorClassAxis" xml:lang="en-US">Acquired Finite-Lived Intangible Assets by Major Class [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="lab_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsMajorClassNameDomain" xml:lang="en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:to="lab_AcquiredFiniteLivedIntangibleAssetsLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AcquiredFiniteLivedIntangibleAssetsLineItems" xml:lang="en-US">Acquired Finite-Lived Intangible Assets [Line Items]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TwoPointSixZeroPercentSeniorNotesDueSeptemberTwoZeroOneSixMember" xlink:label="wm_TwoPointSixZeroPercentSeniorNotesDueSeptemberTwoZeroOneSixMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TwoPointSixZeroPercentSeniorNotesDueSeptemberTwoZeroOneSixMember" xlink:to="wm_TwoPointSixZeroPercentSeniorNotesDueSeptemberTwoZeroOneSixMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TwoPointSixZeroPercentSeniorNotesDueSeptemberTwoZeroOneSixMember_lbl" xml:lang="en-US">Two Point Six Zero Percent Senior Notes due September Two Zero One Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TwoPointSixZeroPercentSeniorNotesDueSeptemberTwoZeroOneSixMember_lbl" xml:lang="en-US">2.60% senior notes due September 2016 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TwoPointSixZeroPercentSeniorNotesDueSeptemberTwoZeroOneSixMember_lbl" xml:lang="en-US">2.60% senior notes due September 2016.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RepaymentOfTaxExemptProjectBonds" xlink:label="wm_RepaymentOfTaxExemptProjectBonds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RepaymentOfTaxExemptProjectBonds" xlink:to="wm_RepaymentOfTaxExemptProjectBonds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RepaymentOfTaxExemptProjectBonds_lbl" xml:lang="en-US">Repayment of Tax-exempt Project Bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RepaymentOfTaxExemptProjectBonds_lbl" xml:lang="en-US">Repayment of tax-exempt project bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RepaymentOfTaxExemptProjectBonds_lbl" xml:lang="en-US">Repayment of tax-exempt project bonds.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RepaymentOfTaxExemptBonds" xlink:label="wm_RepaymentOfTaxExemptBonds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RepaymentOfTaxExemptBonds" xlink:to="wm_RepaymentOfTaxExemptBonds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RepaymentOfTaxExemptBonds_lbl" xml:lang="en-US">Repayment of Tax-exempt Bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RepaymentOfTaxExemptBonds_lbl" xml:lang="en-US">Repayment of tax-exempt bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RepaymentOfTaxExemptBonds_lbl" xml:lang="en-US">Repayment of tax-exempt bonds.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RestructuringDetailsAbstract" xlink:label="wm_RestructuringDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RestructuringDetailsAbstract" xlink:to="wm_RestructuringDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RestructuringDetailsAbstract_lbl" xml:lang="en-US">Restructuring (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RestructuringDetailsAbstract_lbl" xml:lang="en-US">Restructuring.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RestructuringTextualAbstract" xlink:label="wm_RestructuringTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RestructuringTextualAbstract" xlink:to="wm_RestructuringTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RestructuringTextualAbstract_lbl" xml:lang="en-US">Restructuring (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RestructuringTextualAbstract_lbl" xml:lang="en-US">Restructuring.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RestructuringTextualAbstract_lbl" xml:lang="en-US">Restructuring (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="us-gaap_TypeOfRestructuringDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfRestructuringDomain" xlink:to="lab_TypeOfRestructuringDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TypeOfRestructuringDomain" xml:lang="en-US">Type of Restructuring [Domain]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NoncontrollingInterestsInAcquiredBusinesses" xlink:label="wm_NoncontrollingInterestsInAcquiredBusinesses" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NoncontrollingInterestsInAcquiredBusinesses" xlink:to="wm_NoncontrollingInterestsInAcquiredBusinesses_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NoncontrollingInterestsInAcquiredBusinesses_lbl" xml:lang="en-US">Noncontrolling Interests in Acquired Businesses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NoncontrollingInterestsInAcquiredBusinesses_lbl" xml:lang="en-US">Noncontrolling interests in acquired businesses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NoncontrollingInterestsInAcquiredBusinesses_lbl" xml:lang="en-US">Noncontrolling interests in acquired businesses.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DeconsolidationOfVariableInterestsEntities" xlink:label="wm_DeconsolidationOfVariableInterestsEntities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DeconsolidationOfVariableInterestsEntities" xlink:to="wm_DeconsolidationOfVariableInterestsEntities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DeconsolidationOfVariableInterestsEntities_lbl" xml:lang="en-US">Deconsolidation of Variable Interests Entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DeconsolidationOfVariableInterestsEntities_lbl" xml:lang="en-US">Deconsolidation of variable interest entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DeconsolidationOfVariableInterestsEntities_lbl" xml:lang="en-US">Deconsolidation of variable interests entities.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_BusinessAbstract" xlink:label="wm_BusinessAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_BusinessAbstract" xlink:to="wm_BusinessAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_BusinessAbstract_lbl" xml:lang="en-US">Business [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_BusinessAbstract_lbl" xml:lang="en-US">Business.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="us-gaap_NatureOfOperations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NatureOfOperations" xlink:to="lab_NatureOfOperations" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NatureOfOperations" xml:lang="en-US">Nature of Operations [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NatureOfOperations" xml:lang="en-US">Business</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xlink:label="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xlink:to="lab_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xml:lang="en-US">Accounting Changes and Reclassifications [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountingChangesAndErrorCorrectionsTextBlock" xlink:label="us-gaap_AccountingChangesAndErrorCorrectionsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingChangesAndErrorCorrectionsTextBlock" xlink:to="lab_AccountingChangesAndErrorCorrectionsTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccountingChangesAndErrorCorrectionsTextBlock" xml:lang="en-US">Accounting Changes and Error Corrections [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccountingChangesAndErrorCorrectionsTextBlock" xml:lang="en-US">Accounting changes and reclassifications</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AccountingChangesAndReclassificationsPoliciesAbstract" xlink:label="wm_AccountingChangesAndReclassificationsPoliciesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AccountingChangesAndReclassificationsPoliciesAbstract" xlink:to="wm_AccountingChangesAndReclassificationsPoliciesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AccountingChangesAndReclassificationsPoliciesAbstract_lbl" xml:lang="en-US">Accounting Changes and Reclassifications (Policies) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AccountingChangesAndReclassificationsPoliciesAbstract_lbl" xml:lang="en-US">Accounting changes and reclassifications.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ConsolidationOfVariableInterestEntitiesPolicyTextBlock" xlink:label="wm_ConsolidationOfVariableInterestEntitiesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ConsolidationOfVariableInterestEntitiesPolicyTextBlock" xlink:to="wm_ConsolidationOfVariableInterestEntitiesPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ConsolidationOfVariableInterestEntitiesPolicyTextBlock_lbl" xml:lang="en-US">Consolidation of Variable Interest Entities [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ConsolidationOfVariableInterestEntitiesPolicyTextBlock_lbl" xml:lang="en-US">Consolidation of variable interest entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ConsolidationOfVariableInterestEntitiesPolicyTextBlock_lbl" xml:lang="en-US">Consolidation of variable interest entities.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PropertyAndEquipmentDetailsAbstract" xlink:label="wm_PropertyAndEquipmentDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PropertyAndEquipmentDetailsAbstract" xlink:to="wm_PropertyAndEquipmentDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PropertyAndEquipmentDetailsAbstract_lbl" xml:lang="en-US">Property and Equipment (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PropertyAndEquipmentDetailsAbstract_lbl" xml:lang="en-US">Property and equipment.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TangiblePropertyAndEquipmentMember" xlink:label="wm_TangiblePropertyAndEquipmentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TangiblePropertyAndEquipmentMember" xlink:to="wm_TangiblePropertyAndEquipmentMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TangiblePropertyAndEquipmentMember_lbl" xml:lang="en-US">Tangible Property and Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TangiblePropertyAndEquipmentMember_lbl" xml:lang="en-US">Tangible Property and Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TangiblePropertyAndEquipmentMember_lbl" xml:lang="en-US">Tangible property and equipment.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LandfillAirspaceMember" xlink:label="wm_LandfillAirspaceMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LandfillAirspaceMember" xlink:to="wm_LandfillAirspaceMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LandfillAirspaceMember_lbl" xml:lang="en-US">Landfill Airspace [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LandfillAirspaceMember_lbl" xml:lang="en-US">Landfill airspace.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LandfillAirspaceMember_lbl" xml:lang="en-US">Landfill Airspace [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesAbstract" xlink:label="wm_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesAbstract" xlink:to="wm_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesAbstract_lbl" xml:lang="en-US">Depreciation and Amortization Expense Including Amortization Expense for Assets Recorded as Capital Leases [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesAbstract_lbl" xml:lang="en-US">Depreciation and amortization expense including amortization expense for assets recorded as capital leases.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesAbstract_lbl" xml:lang="en-US">Depreciation and amortization expense, including amortization expense for assets recorded as capital leases</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PropertyAndEquipmentMember" xlink:label="wm_PropertyAndEquipmentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PropertyAndEquipmentMember" xlink:to="wm_PropertyAndEquipmentMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PropertyAndEquipmentMember_lbl" xml:lang="en-US">Property and Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PropertyAndEquipmentMember_lbl" xml:lang="en-US">Property and equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PropertyAndEquipmentMember_lbl" xml:lang="en-US">Property and equipment.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LandfillMember" xlink:label="us-gaap_LandfillMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LandfillMember" xlink:to="lab_LandfillMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LandfillMember" xml:lang="en-US">Landfill [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LandfillMember" xml:lang="en-US">Landfills [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_VehiclesMember" xlink:label="us-gaap_VehiclesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VehiclesMember" xlink:to="lab_VehiclesMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_VehiclesMember" xml:lang="en-US">Vehicles [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_VehiclesMember" xml:lang="en-US">Vehicles [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ContainersMember" xlink:label="us-gaap_ContainersMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContainersMember" xlink:to="lab_ContainersMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ContainersMember" xml:lang="en-US">Containers [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ContainersMember" xml:lang="en-US">Containers [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Land" xlink:label="us-gaap_Land" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Land" xlink:to="lab_Land" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_Land" xml:lang="en-US">Land</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_Land" xml:lang="en-US">Land</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MachineryAndEquipmentGross" xlink:label="us-gaap_MachineryAndEquipmentGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MachineryAndEquipmentGross" xlink:to="lab_MachineryAndEquipmentGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MachineryAndEquipmentGross" xml:lang="en-US">Machinery and Equipment, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_MachineryAndEquipmentGross" xml:lang="en-US">Machinery and Equipment, Gross, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MachineryAndEquipmentGross" xml:lang="en-US">Machinery and equipment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BuildingsAndImprovementsGross" xlink:label="us-gaap_BuildingsAndImprovementsGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BuildingsAndImprovementsGross" xlink:to="lab_BuildingsAndImprovementsGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BuildingsAndImprovementsGross" xml:lang="en-US">Buildings and Improvements, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_BuildingsAndImprovementsGross" xml:lang="en-US">Buildings and Improvements, Gross, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BuildingsAndImprovementsGross" xml:lang="en-US">Buildings and improvements</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FurnitureAndFixturesGross" xlink:label="us-gaap_FurnitureAndFixturesGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FurnitureAndFixturesGross" xlink:to="lab_FurnitureAndFixturesGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FurnitureAndFixturesGross" xml:lang="en-US">Furniture and Fixtures, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FurnitureAndFixturesGross" xml:lang="en-US">Furniture, fixtures and office equipment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="lab_PropertyPlantAndEquipmentGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property and equipment , gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property, Plant and Equipment, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property, Plant and Equipment, Gross, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property, Plant and Equipment, Gross, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property, Plant and Equipment, Gross, Total</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOther" xlink:label="us-gaap_PropertyPlantAndEquipmentOther" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentOther" xlink:to="lab_PropertyPlantAndEquipmentOther" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentOther" xml:lang="en-US">Property plant and equipment, gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentOther" xml:lang="en-US">Property, Plant and Equipment, Other</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Depreciation" xlink:label="us-gaap_Depreciation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Depreciation" xlink:to="lab_Depreciation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_Depreciation" xml:lang="en-US">Depreciation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_Depreciation" xml:lang="en-US">Depreciation, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_Depreciation" xml:lang="en-US">Depreciation of tangible property and equipment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="us-gaap_AdjustmentForAmortization" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentForAmortization" xlink:to="lab_AdjustmentForAmortization" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AdjustmentForAmortization" xml:lang="en-US">Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_AdjustmentForAmortization" xml:lang="en-US">Amortization, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AdjustmentForAmortization" xml:lang="en-US">Amortization of landfill airspace</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PropertyAndEquipmentTablesAbstract" xlink:label="wm_PropertyAndEquipmentTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PropertyAndEquipmentTablesAbstract" xlink:to="wm_PropertyAndEquipmentTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PropertyAndEquipmentTablesAbstract_lbl" xml:lang="en-US">Property and Equipment (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PropertyAndEquipmentTablesAbstract_lbl" xml:lang="en-US">Property And Equipment (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PropertyAndEquipmentTablesAbstract_lbl" xml:lang="en-US">Property and equipment.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="lab_PropertyPlantAndEquipmentDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentDisclosureTextBlock" xml:lang="en-US">Property, Plant and Equipment Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentDisclosureTextBlock" xml:lang="en-US">Property and equipment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:to="lab_PropertyPlantAndEquipmentTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentTextBlock" xml:lang="en-US">Property, Plant and Equipment [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentTextBlock" xml:lang="en-US">Property and equipment</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesTableTextBlock" xlink:label="wm_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesTableTextBlock" xlink:to="wm_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesTableTextBlock_lbl" xml:lang="en-US">Depreciation and Amortization Expense Including Amortization Expense for Assets Recorded as Capital Leases [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesTableTextBlock_lbl" xml:lang="en-US">Depreciation and amortization expense including amortization expense for assets recorded as capital leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesTableTextBlock_lbl" xml:lang="en-US">Depreciation and amortization expense, including amortization expense for assets recorded as capital leases.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentAbstract" xlink:to="lab_PropertyPlantAndEquipmentAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentAbstract" xml:lang="en-US">Property and Equipment [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="lab_ScheduleOfPropertyPlantAndEquipmentTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfPropertyPlantAndEquipmentTable" xml:lang="en-US">Schedule of Property, Plant and Equipment [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="lab_PropertyPlantAndEquipmentByTypeAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentByTypeAxis" xml:lang="en-US">Property, Plant and Equipment by Type [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lab_PropertyPlantAndEquipmentTypeDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentTypeDomain" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="lab_PropertyPlantAndEquipmentLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentLineItems" xml:lang="en-US">Property, Plant and Equipment [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:to="lab_PropertyPlantAndEquipmentNetAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentNetAbstract" xml:lang="en-US">Property, Plant and Equipment, Net [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentNetAbstract" xml:lang="en-US">Property and equipment</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_GoodwillAndOtherIntangibleAssetsAbstract" xlink:label="wm_GoodwillAndOtherIntangibleAssetsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_GoodwillAndOtherIntangibleAssetsAbstract" xlink:to="wm_GoodwillAndOtherIntangibleAssetsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_GoodwillAndOtherIntangibleAssetsAbstract_lbl" xml:lang="en-US">Goodwill and Other Intangible Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_GoodwillAndOtherIntangibleAssetsAbstract_lbl" xml:lang="en-US">Goodwill And Other Intangible Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_GoodwillAndOtherIntangibleAssetsAbstract_lbl" xml:lang="en-US">Goodwill and other intangible assets.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:to="lab_GoodwillAndIntangibleAssetsDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GoodwillAndIntangibleAssetsDisclosureTextBlock" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GoodwillAndIntangibleAssetsDisclosureTextBlock" xml:lang="en-US">Goodwill and Other intangible assets</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_GoodwillAndOtherIntangibleAssetsTablesAbstract" xlink:label="wm_GoodwillAndOtherIntangibleAssetsTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_GoodwillAndOtherIntangibleAssetsTablesAbstract" xlink:to="wm_GoodwillAndOtherIntangibleAssetsTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_GoodwillAndOtherIntangibleAssetsTablesAbstract_lbl" xml:lang="en-US">Goodwill and Other Intangible Assets (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_GoodwillAndOtherIntangibleAssetsTablesAbstract_lbl" xml:lang="en-US">Goodwill and other intangible assets.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" xlink:to="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets by Major Class [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" xml:lang="en-US">Other intangible assets</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_GoodwillAndOtherIntangibleAssetsDetailsAbstract" xlink:label="wm_GoodwillAndOtherIntangibleAssetsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_GoodwillAndOtherIntangibleAssetsDetailsAbstract" xlink:to="wm_GoodwillAndOtherIntangibleAssetsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_GoodwillAndOtherIntangibleAssetsDetailsAbstract_lbl" xml:lang="en-US">Goodwill and Other Intangible Assets (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_GoodwillAndOtherIntangibleAssetsDetailsAbstract_lbl" xml:lang="en-US">Goodwill and other intangible assets.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CustomerContractsAndCustomerListsMember" xlink:label="wm_CustomerContractsAndCustomerListsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CustomerContractsAndCustomerListsMember" xlink:to="wm_CustomerContractsAndCustomerListsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CustomerContractsAndCustomerListsMember_lbl" xml:lang="en-US">Customer Contracts and Customer Lists [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CustomerContractsAndCustomerListsMember_lbl" xml:lang="en-US">Customer contracts and customer lists [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CustomerContractsAndCustomerListsMember_lbl" xml:lang="en-US">Customer contracts and customer lists.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CovenantsNotToCompeteMember" xlink:label="wm_CovenantsNotToCompeteMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CovenantsNotToCompeteMember" xlink:to="wm_CovenantsNotToCompeteMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CovenantsNotToCompeteMember_lbl" xml:lang="en-US">Covenants Not to Compete [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CovenantsNotToCompeteMember_lbl" xml:lang="en-US">Covenants not-to-compete [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CovenantsNotToCompeteMember_lbl" xml:lang="en-US">Covenants not to compete.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LicensesPermitsAndOtherMember" xlink:label="wm_LicensesPermitsAndOtherMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LicensesPermitsAndOtherMember" xlink:to="wm_LicensesPermitsAndOtherMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LicensesPermitsAndOtherMember_lbl" xml:lang="en-US">Licenses Permits and Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LicensesPermitsAndOtherMember_lbl" xml:lang="en-US">Licenses, permits and other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LicensesPermitsAndOtherMember_lbl" xml:lang="en-US">Licenses permits and other.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsGross" xlink:to="lab_FiniteLivedIntangibleAssetsGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsGross" xml:lang="en-US">Finite-Lived Intangible Assets, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_FiniteLivedIntangibleAssetsGross" xml:lang="en-US">Finite-Lived Intangible Assets, Gross, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsGross" xml:lang="en-US">Intangible assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="lab_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US">Finite-Lived Intangible Assets, Accumulated Amortization</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US">Less: accumulated amortization</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="lab_FiniteLivedIntangibleAssetsNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsNet" xml:lang="en-US">Finite-Lived Intangible Assets, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_FiniteLivedIntangibleAssetsNet" xml:lang="en-US">Total</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:to="lab_FiniteLivedIntangibleAssetsNetAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsNetAbstract" xml:lang="en-US">Finite-Lived Intangible Assets, Net [Abstract]</label>
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" xlink:to="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets by Major Class [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="lab_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsByMajorClassAxis" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="lab_FiniteLivedIntangibleAssetsLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsLineItems" xml:lang="en-US">Finite-Lived Intangible Assets [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpense" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpense" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpense_lbl" xml:lang="en-US">Finite Lived Intangible Assets Amortization Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpense_lbl" xml:lang="en-US">Amortization expense for other intangible assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssets" xlink:label="us-gaap_IndefiniteLivedIntangibleAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefiniteLivedIntangibleAssets" xlink:to="us-gaap_IndefiniteLivedIntangibleAssets_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IndefiniteLivedIntangibleAssets_lbl" xml:lang="en-US">Indefinite Lived Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IndefiniteLivedIntangibleAssets_lbl" xml:lang="en-US">Intangible assets not subject to amortization</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearOne" xlink:label="us-gaap_FutureAmortizationExpenseYearOne" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearOne" xlink:to="us-gaap_FutureAmortizationExpenseYearOne_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FutureAmortizationExpenseYearOne_lbl" xml:lang="en-US">Future Amortization Expense Year One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FutureAmortizationExpenseYearOne_lbl" xml:lang="en-US">Expected amortization expense related to intangible assets in 2012</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearTwo" xlink:label="us-gaap_FutureAmortizationExpenseYearTwo" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearTwo" xlink:to="us-gaap_FutureAmortizationExpenseYearTwo_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FutureAmortizationExpenseYearTwo_lbl" xml:lang="en-US">Future Amortization Expense Year Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FutureAmortizationExpenseYearTwo_lbl" xml:lang="en-US">Expected amortization expense related to intangible assets in 2013</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearThree" xlink:label="us-gaap_FutureAmortizationExpenseYearThree" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearThree" xlink:to="us-gaap_FutureAmortizationExpenseYearThree_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FutureAmortizationExpenseYearThree_lbl" xml:lang="en-US">Future Amortization Expense Year Three</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FutureAmortizationExpenseYearThree_lbl" xml:lang="en-US">Expected amortization expense related to intangible assets in 2014</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFour" xlink:label="us-gaap_FutureAmortizationExpenseYearFour" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearFour" xlink:to="us-gaap_FutureAmortizationExpenseYearFour_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FutureAmortizationExpenseYearFour_lbl" xml:lang="en-US">Future Amortization Expense Year Four</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FutureAmortizationExpenseYearFour_lbl" xml:lang="en-US">Expected amortization expense related to intangible assets in 2015</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFive" xlink:label="us-gaap_FutureAmortizationExpenseYearFive" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearFive" xlink:to="us-gaap_FutureAmortizationExpenseYearFive_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FutureAmortizationExpenseYearFive_lbl" xml:lang="en-US">Future Amortization Expense Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FutureAmortizationExpenseYearFive_lbl" xml:lang="en-US">Expected amortization expense related to intangible assets in 2016</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestRateDerivativesAbstract" xlink:label="us-gaap_InterestRateDerivativesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRateDerivativesAbstract" xlink:to="lab_InterestRateDerivativesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestRateDerivativesAbstract" xml:lang="en-US">Interest Rate Derivatives [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestRateDerivativesAbstract" xml:lang="en-US">Significant terms of interest rate swap agreements</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeMaturityDate" xlink:label="us-gaap_DerivativeMaturityDate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeMaturityDate" xlink:to="lab_DerivativeMaturityDate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeMaturityDate" xml:lang="en-US">Maturity date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeMaturityDate" xml:lang="en-US">Derivative, Maturity Date</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeHigherVariableInterestRateRange" xlink:label="us-gaap_DerivativeHigherVariableInterestRateRange" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeHigherVariableInterestRateRange" xlink:to="lab_DerivativeHigherVariableInterestRateRange" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeHigherVariableInterestRateRange" xml:lang="en-US">Higher floating interest rate, paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeHigherVariableInterestRateRange" xml:lang="en-US">Derivative, Higher Variable Interest Rate Range</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeLowerVariableInterestRateRange" xlink:label="us-gaap_DerivativeLowerVariableInterestRateRange" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLowerVariableInterestRateRange" xlink:to="lab_DerivativeLowerVariableInterestRateRange" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeLowerVariableInterestRateRange" xml:lang="en-US">Lower floating interest rate, paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeLowerVariableInterestRateRange" xml:lang="en-US">Derivative, Lower Variable Interest Rate Range</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeHigherFixedInterestRateRange" xlink:label="us-gaap_DerivativeHigherFixedInterestRateRange" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeHigherFixedInterestRateRange" xlink:to="lab_DerivativeHigherFixedInterestRateRange" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeHigherFixedInterestRateRange" xml:lang="en-US">Higher fixed interest rate, received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeHigherFixedInterestRateRange" xml:lang="en-US">Derivative, Higher Fixed Interest Rate Range</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeLowerFixedInterestRateRange" xlink:label="us-gaap_DerivativeLowerFixedInterestRateRange" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLowerFixedInterestRateRange" xlink:to="lab_DerivativeLowerFixedInterestRateRange" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeLowerFixedInterestRateRange" xml:lang="en-US">Lower fixed interest rate, received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeLowerFixedInterestRateRange" xml:lang="en-US">Derivative, Lower Fixed Interest Rate Range</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsAbstract" xlink:label="wm_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsAbstract" xlink:to="wm_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsAbstract_lbl" xml:lang="en-US">Accumulated Fair Value Adjustments from Interest Rate Swap Agreements [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsAbstract_lbl" xml:lang="en-US">Accumulated fair value adjustments from interest rate swap agreements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsAbstract_lbl" xml:lang="en-US">Accumulated fair value adjustments from interest rate swap agreements</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SeniorNotesAbstract" xlink:label="wm_SeniorNotesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SeniorNotesAbstract" xlink:to="wm_SeniorNotesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SeniorNotesAbstract_lbl" xml:lang="en-US">Senior Notes [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SeniorNotesAbstract_lbl" xml:lang="en-US">Senior notes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SeniorNotesAbstract_lbl" xml:lang="en-US">Senior notes:</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ActiveSwapAdjustmentsToCarryingValueOfHedgedItem" xlink:label="wm_ActiveSwapAdjustmentsToCarryingValueOfHedgedItem" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ActiveSwapAdjustmentsToCarryingValueOfHedgedItem" xlink:to="wm_ActiveSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ActiveSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Active Swap Adjustments to Carrying Value of Hedged Item</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ActiveSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Active swap adjustments to carrying value of hedged item.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ActiveSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Active swap agreements</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem" xlink:label="wm_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem" xlink:to="wm_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Terminated Swap Adjustments to Carrying Value of Hedged Item</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Terminated swap adjustments to carrying value of hedged item.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Terminated swap agreements</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SwapMember" xlink:label="us-gaap_SwapMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SwapMember" xlink:to="lab_SwapMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SwapMember" xml:lang="en-US">Swap [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NotionalAmountOfCashFlowHedgeInstrumentsTreasuryRateLocks" xlink:label="wm_NotionalAmountOfCashFlowHedgeInstrumentsTreasuryRateLocks" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NotionalAmountOfCashFlowHedgeInstrumentsTreasuryRateLocks" xlink:to="wm_NotionalAmountOfCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NotionalAmountOfCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" xml:lang="en-US">Notional Amount of Cash Flow Hedge Instruments Treasury Rate Locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NotionalAmountOfCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" xml:lang="en-US">Notional amount of cash flow hedge instruments, treasury rate locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NotionalAmountOfCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" xml:lang="en-US">Notional amount of cash flow hedge instruments, treasury rate locks.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CashPaidToSettleCashFlowHedgeInstrumentsTreasuryRateLocks" xlink:label="wm_CashPaidToSettleCashFlowHedgeInstrumentsTreasuryRateLocks" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CashPaidToSettleCashFlowHedgeInstrumentsTreasuryRateLocks" xlink:to="wm_CashPaidToSettleCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CashPaidToSettleCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" xml:lang="en-US">Cash Paid to Settle Cash Flow Hedge Instruments Treasury Rate Locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CashPaidToSettleCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" xml:lang="en-US">Cash paid to settle cash flow hedge instruments treasury rate locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CashPaidToSettleCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" xml:lang="en-US">Cash paid to settle cash flow hedge instruments treasury rate locks.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PreTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks" xlink:label="wm_PreTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PreTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks" xlink:to="wm_PreTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PreTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" xml:lang="en-US">Pre Tax (Loss) Gain Recognized due to Adjustments to Other Comprehensive Income for Changes in Fair Value of Treasury Rate Locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PreTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" xml:lang="en-US">Pre-tax (loss)/gain recognized due to adjustments to other comprehensive income for changes in the fair value of treasury rate locks.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PreTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" xml:lang="en-US">Pre-tax (loss)/gain recognized due to adjustments to other comprehensive income for changes in the fair value of treasury rate locks</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AfterTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks" xlink:label="wm_AfterTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AfterTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks" xlink:to="wm_AfterTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AfterTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" xml:lang="en-US">After Tax Loss Gain Recognized due to Adjustments to Other Comprehensive Income for Changes in Fair Value of Treasury Rate Locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AfterTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" xml:lang="en-US">After-tax (loss)/gain recognized due to adjustments to other comprehensive income for changes in the fair value of treasury rate locks.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AfterTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" xml:lang="en-US">After-tax (loss)/gain recognized due to adjustments to other comprehensive income for changes in the fair value of treasury rate locks</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesInterest" xlink:label="wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesInterest" xlink:to="wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesInterest_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesInterest_lbl" xml:lang="en-US">Notional Amount of Foreign Currency Cash Flow Hedge Derivatives Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesInterest_lbl" xml:lang="en-US">Amount of interest payments for foreign currency forward contracts included in hedged cash flows</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesInterest_lbl" xml:lang="en-US">Notional amount of foreign currency derivatives designated as hedging instruments in cash flow hedges. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AmountPaidToSettleForwardContract" xlink:label="wm_AmountPaidToSettleForwardContract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AmountPaidToSettleForwardContract" xlink:to="wm_AmountPaidToSettleForwardContract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AmountPaidToSettleForwardContract_lbl" xml:lang="en-US">Amount Paid to Settle Forward Contract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AmountPaidToSettleForwardContract_lbl" xml:lang="en-US">Amount paid to settle the forward contract.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AmountPaidToSettleForwardContract_lbl" xml:lang="en-US">Amount paid to settle cash flow hedge instruments, foreign exchange contracts</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_GoodwillAndOtherIntangibleAssetsTextualAbstract" xlink:label="wm_GoodwillAndOtherIntangibleAssetsTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_GoodwillAndOtherIntangibleAssetsTextualAbstract" xlink:to="wm_GoodwillAndOtherIntangibleAssetsTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_GoodwillAndOtherIntangibleAssetsTextualAbstract_lbl" xml:lang="en-US">Goodwill and Other Intangible Assets (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_GoodwillAndOtherIntangibleAssetsTextualAbstract_lbl" xml:lang="en-US">Goodwill and other intangible assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_GoodwillAndOtherIntangibleAssetsTextualAbstract_lbl" xml:lang="en-US">Goodwill and Other Intangible Assets (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments" xlink:label="us-gaap_IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments" xlink:to="lab_IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments" xml:lang="en-US">Increase (Decrease) in Fair Value of Interest Rate Fair Value Hedging Instruments</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments" xml:lang="en-US">Impact of changes in the fair value of interest rate swaps and the underlying hedged items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments" xml:lang="en-US">Impact of changes in the fair value of interest rate swaps and the underlying hedged items</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestRateFairValueHedgesAbstract" xlink:label="us-gaap_InterestRateFairValueHedgesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRateFairValueHedgesAbstract" xlink:to="lab_InterestRateFairValueHedgesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestRateFairValueHedgesAbstract" xml:lang="en-US">Interest Rate Fair Value Hedges [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestRateFairValueHedgesAbstract" xml:lang="en-US">Impact of changes in the fair value of interest rate swaps and the underlying hedged items on results of operations</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="us-gaap_InterestRateSwapMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRateSwapMember" xlink:to="lab_InterestRateSwapMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestRateSwapMember" xml:lang="en-US">Interest Rate Swap [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestRateSwapMember" xml:lang="en-US">Swap [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FixedIncomeInterestRateMember" xlink:label="us-gaap_FixedIncomeInterestRateMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FixedIncomeInterestRateMember" xlink:to="lab_FixedIncomeInterestRateMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FixedIncomeInterestRateMember" xml:lang="en-US">Fixed Income Interest Rate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FixedIncomeInterestRateMember" xml:lang="en-US">Fixed-Rate Debt [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SignificantTermsOfInterestRateSwapAgreementsTableTextBlock" xlink:label="wm_SignificantTermsOfInterestRateSwapAgreementsTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SignificantTermsOfInterestRateSwapAgreementsTableTextBlock" xlink:to="wm_SignificantTermsOfInterestRateSwapAgreementsTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SignificantTermsOfInterestRateSwapAgreementsTableTextBlock_lbl" xml:lang="en-US">Significant Terms of Interest Rate Swap Agreements [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SignificantTermsOfInterestRateSwapAgreementsTableTextBlock_lbl" xml:lang="en-US">Significant terms of interest rate swap agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SignificantTermsOfInterestRateSwapAgreementsTableTextBlock_lbl" xml:lang="en-US">Significant terms of interest rate swap agreements.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsTableTextBlock" xlink:label="wm_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsTableTextBlock" xlink:to="wm_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsTableTextBlock_lbl" xml:lang="en-US">Accumulated Fair Value Adjustments from Interest Rate Swap Agreements [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsTableTextBlock_lbl" xml:lang="en-US">Accumulated fair value adjustments from interest rate swap agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsTableTextBlock_lbl" xml:lang="en-US">Accumulated fair value adjustments from interest rate swap agreements.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GeneralPoliciesAbstract" xlink:label="us-gaap_GeneralPoliciesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralPoliciesAbstract" xlink:to="lab_GeneralPoliciesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GeneralPoliciesAbstract" xml:lang="en-US">Summary of Significant Accounting Policies [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="lab_SignificantAccountingPoliciesTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SignificantAccountingPoliciesTextBlock" xml:lang="en-US">Significant Accounting Policies [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SignificantAccountingPoliciesTextBlock" xml:lang="en-US">Summary of significant accounting policies</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SummaryOfSignificantAccountingPoliciesTablesAbstract" xlink:label="wm_SummaryOfSignificantAccountingPoliciesTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SummaryOfSignificantAccountingPoliciesTablesAbstract" xlink:to="wm_SummaryOfSignificantAccountingPoliciesTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SummaryOfSignificantAccountingPoliciesTablesAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SummaryOfSignificantAccountingPoliciesTablesAbstract_lbl" xml:lang="en-US">Summary of significant accounting policies.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ImpactsOfRevisionsInRiskFreeDiscountRateAppliedToEnvironmentalRemediationLiabilitiesAndRecoveryAssetsTextBlock" xlink:label="wm_ImpactsOfRevisionsInRiskFreeDiscountRateAppliedToEnvironmentalRemediationLiabilitiesAndRecoveryAssetsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ImpactsOfRevisionsInRiskFreeDiscountRateAppliedToEnvironmentalRemediationLiabilitiesAndRecoveryAssetsTextBlock" xlink:to="wm_ImpactsOfRevisionsInRiskFreeDiscountRateAppliedToEnvironmentalRemediationLiabilitiesAndRecoveryAssetsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ImpactsOfRevisionsInRiskFreeDiscountRateAppliedToEnvironmentalRemediationLiabilitiesAndRecoveryAssetsTextBlock_lbl" xml:lang="en-US">Impacts of Revisions in Risk Free Discount Rate Applied to Environmental Remediation Liabilities and Recovery Assets [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ImpactsOfRevisionsInRiskFreeDiscountRateAppliedToEnvironmentalRemediationLiabilitiesAndRecoveryAssetsTextBlock_lbl" xml:lang="en-US">Impacts of revisions in the risk-free discount rate applied to environmental remediation liabilities and recovery assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ImpactsOfRevisionsInRiskFreeDiscountRateAppliedToEnvironmentalRemediationLiabilitiesAndRecoveryAssetsTextBlock_lbl" xml:lang="en-US">Impacts of revisions in the risk-free discount rate applied to environmental remediation liabilities and recovery assets.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesTextBlock" xlink:label="wm_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesTextBlock" xlink:to="wm_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesTextBlock_lbl" xml:lang="en-US">Estimated Useful Lives for Significant Property and Equipment Categories [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesTextBlock_lbl" xml:lang="en-US">The estimated useful lives for significant property and equipment categories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesTextBlock_lbl" xml:lang="en-US">The estimated useful lives for significant property and equipment categories.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:label="us-gaap_CashFlowSupplementalDisclosuresTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:to="lab_CashFlowSupplementalDisclosuresTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CashFlowSupplementalDisclosuresTextBlock" xml:lang="en-US">Cash Flow, Supplemental Disclosures [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CashFlowSupplementalDisclosuresTextBlock" xml:lang="en-US">Supplemental Cash Flow Information</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EstimatesAndAssumptionsPolicyTextBlock" xlink:label="wm_EstimatesAndAssumptionsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EstimatesAndAssumptionsPolicyTextBlock" xlink:to="wm_EstimatesAndAssumptionsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EstimatesAndAssumptionsPolicyTextBlock_lbl" xml:lang="en-US">Estimates and Assumptions [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EstimatesAndAssumptionsPolicyTextBlock_lbl" xml:lang="en-US">Estimates and assumptions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EstimatesAndAssumptionsPolicyTextBlock_lbl" xml:lang="en-US">Estimates and assumptions.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ConcentrationsOfCreditRiskPolicyTextBlock" xlink:label="wm_ConcentrationsOfCreditRiskPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ConcentrationsOfCreditRiskPolicyTextBlock" xlink:to="wm_ConcentrationsOfCreditRiskPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ConcentrationsOfCreditRiskPolicyTextBlock_lbl" xml:lang="en-US">Concentrations of Credit Risk [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ConcentrationsOfCreditRiskPolicyTextBlock_lbl" xml:lang="en-US">Concentrations of credit risk</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ConcentrationsOfCreditRiskPolicyTextBlock_lbl" xml:lang="en-US">Concentrations of credit Risk.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LandfillAccountingPolicyTextBlock" xlink:label="wm_LandfillAccountingPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LandfillAccountingPolicyTextBlock" xlink:to="wm_LandfillAccountingPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LandfillAccountingPolicyTextBlock_lbl" xml:lang="en-US">Landfill Accounting [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LandfillAccountingPolicyTextBlock_lbl" xml:lang="en-US">Landfill accounting</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LandfillAccountingPolicyTextBlock_lbl" xml:lang="en-US">Describes an entity's accounting policy for landfill accounting, including determination of the cost basis of the landfill and related asset retirement costs and the method of amortization of landfill assets.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EnvironmentalRemediationLiabilitiesPolicyTextBlock" xlink:label="wm_EnvironmentalRemediationLiabilitiesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EnvironmentalRemediationLiabilitiesPolicyTextBlock" xlink:to="wm_EnvironmentalRemediationLiabilitiesPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EnvironmentalRemediationLiabilitiesPolicyTextBlock_lbl" xml:lang="en-US">Environmental Remediation Liabilities [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EnvironmentalRemediationLiabilitiesPolicyTextBlock_lbl" xml:lang="en-US">Environmental remediation liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EnvironmentalRemediationLiabilitiesPolicyTextBlock_lbl" xml:lang="en-US">Describes an entity's accounting policy for obligations that resulted from improper or other-than normal operation of a long-lived asset in the past. This accounting policy may address (1) whether the related remediation costs are expensed or capitalized, (2) whether the obligation is measured on a discounted basis, (3) the event, situation, or set of circumstances that generally triggers recognition of loss contingencies arising from the entity's environmental remediation-related obligations, and (4) the timing of recognition of any recoveries.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AcquisitionsPolicyTextBlock" xlink:label="wm_AcquisitionsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AcquisitionsPolicyTextBlock" xlink:to="wm_AcquisitionsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AcquisitionsPolicyTextBlock_lbl" xml:lang="en-US">Acquisitions [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AcquisitionsPolicyTextBlock_lbl" xml:lang="en-US">Acquisitions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AcquisitionsPolicyTextBlock_lbl" xml:lang="en-US">Acquisitions.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RestrictedTrustAndEscrowAccountsPolicyTextBlock" xlink:label="wm_RestrictedTrustAndEscrowAccountsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RestrictedTrustAndEscrowAccountsPolicyTextBlock" xlink:to="wm_RestrictedTrustAndEscrowAccountsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RestrictedTrustAndEscrowAccountsPolicyTextBlock_lbl" xml:lang="en-US">Restricted Trust and Escrow Accounts [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RestrictedTrustAndEscrowAccountsPolicyTextBlock_lbl" xml:lang="en-US">Restricted trust and escrow accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RestrictedTrustAndEscrowAccountsPolicyTextBlock_lbl" xml:lang="en-US">Trust and escrow accounts whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_InsuredAndSelfInsuredClaimsPolicyTextBlock" xlink:label="wm_InsuredAndSelfInsuredClaimsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_InsuredAndSelfInsuredClaimsPolicyTextBlock" xlink:to="wm_InsuredAndSelfInsuredClaimsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InsuredAndSelfInsuredClaimsPolicyTextBlock_lbl" xml:lang="en-US">Insured and Self Insured Claims [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_InsuredAndSelfInsuredClaimsPolicyTextBlock_lbl" xml:lang="en-US">Insured and self-insured claims</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InsuredAndSelfInsuredClaimsPolicyTextBlock_lbl" xml:lang="en-US">Insured and self-insured claims.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CapitalizedInterestPolicyTextBlock" xlink:label="wm_CapitalizedInterestPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CapitalizedInterestPolicyTextBlock" xlink:to="wm_CapitalizedInterestPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CapitalizedInterestPolicyTextBlock_lbl" xml:lang="en-US">Capitalized Interest [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CapitalizedInterestPolicyTextBlock_lbl" xml:lang="en-US">Capitalized interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CapitalizedInterestPolicyTextBlock_lbl" xml:lang="en-US">Capitalized interest policy.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:to="lab_CommitmentsAndContingenciesPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommitmentsAndContingenciesPolicyTextBlock" xml:lang="en-US">Commitments and Contingencies, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommitmentsAndContingenciesPolicyTextBlock" xml:lang="en-US">Contingent liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxPolicyTextBlock" xlink:to="lab_IncomeTaxPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeTaxPolicyTextBlock" xml:lang="en-US">Income Tax, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeTaxPolicyTextBlock" xml:lang="en-US">Income taxes</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:label="us-gaap_DerivativesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativesPolicyTextBlock" xlink:to="lab_DerivativesPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativesPolicyTextBlock" xml:lang="en-US">Derivatives, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativesPolicyTextBlock" xml:lang="en-US">Derivative financial instruments</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:to="lab_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xml:lang="en-US">Foreign Currency Transactions and Translations Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xml:lang="en-US">Foreign currency</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:to="lab_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xml:lang="en-US">Impairment or Disposal of Long-Lived Assets, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xml:lang="en-US">Asset impairments</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:to="lab_GoodwillAndIntangibleAssetsPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GoodwillAndIntangibleAssetsPolicyTextBlock" xml:lang="en-US">Goodwill and Intangible Assets, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GoodwillAndIntangibleAssetsPolicyTextBlock" xml:lang="en-US">Goodwill and other intangible assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LeasePolicyTextBlock" xlink:label="us-gaap_LeasePolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeasePolicyTextBlock" xlink:to="lab_LeasePolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LeasePolicyTextBlock" xml:lang="en-US">Lease, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LeasePolicyTextBlock" xml:lang="en-US">Leases</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="lab_PropertyPlantAndEquipmentPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentPolicyTextBlock" xml:lang="en-US">Property, Plant and Equipment, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentPolicyTextBlock" xml:lang="en-US">Property and equipment (exclusive of landfills)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ReceivablesPolicyTextBlock" xlink:label="us-gaap_ReceivablesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesPolicyTextBlock" xlink:to="lab_ReceivablesPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ReceivablesPolicyTextBlock" xml:lang="en-US">Receivables, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ReceivablesPolicyTextBlock" xml:lang="en-US">Trade and other receivables</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="lab_CashAndCashEquivalentsPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CashAndCashEquivalentsPolicyTextBlock" xml:lang="en-US">Cash and Cash Equivalents, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CashAndCashEquivalentsPolicyTextBlock" xml:lang="en-US">Cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="us-gaap_ConsolidationPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsolidationPolicyTextBlock" xlink:to="lab_ConsolidationPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ConsolidationPolicyTextBlock" xml:lang="en-US">Consolidation, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ConsolidationPolicyTextBlock" xml:lang="en-US">Principles of consolidation</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="us-gaap_InventoryPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryPolicyTextBlock" xlink:to="lab_InventoryPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InventoryPolicyTextBlock" xml:lang="en-US">Inventory, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InventoryPolicyTextBlock" xml:lang="en-US">Parts and supplies</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RevenueRecognitionMultipleDeliverableRevenueArrangementsPolicyTextBlock" xlink:label="wm_RevenueRecognitionMultipleDeliverableRevenueArrangementsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RevenueRecognitionMultipleDeliverableRevenueArrangementsPolicyTextBlock" xlink:to="wm_RevenueRecognitionMultipleDeliverableRevenueArrangementsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RevenueRecognitionMultipleDeliverableRevenueArrangementsPolicyTextBlock_lbl" xml:lang="en-US">Revenue Recognition Multiple Deliverable Revenue Arrangements [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RevenueRecognitionMultipleDeliverableRevenueArrangementsPolicyTextBlock_lbl" xml:lang="en-US">Multiple-deliverable revenue arrangements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RevenueRecognitionMultipleDeliverableRevenueArrangementsPolicyTextBlock_lbl" xml:lang="en-US">Multiple-deliverable revenue arrangements.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SummaryOfSignificantAccountingPoliciesDetailsAbstract" xlink:label="wm_SummaryOfSignificantAccountingPoliciesDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SummaryOfSignificantAccountingPoliciesDetailsAbstract" xlink:to="wm_SummaryOfSignificantAccountingPoliciesDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SummaryOfSignificantAccountingPoliciesDetailsAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SummaryOfSignificantAccountingPoliciesDetailsAbstract_lbl" xml:lang="en-US">Summary of significant accounting policies.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ImpactsOfRevisionsInRiskFreeDiscountRateAbstract" xlink:label="wm_ImpactsOfRevisionsInRiskFreeDiscountRateAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ImpactsOfRevisionsInRiskFreeDiscountRateAbstract" xlink:to="wm_ImpactsOfRevisionsInRiskFreeDiscountRateAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ImpactsOfRevisionsInRiskFreeDiscountRateAbstract_lbl" xml:lang="en-US">Impacts of Revisions in Risk Free Discount Rate [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ImpactsOfRevisionsInRiskFreeDiscountRateAbstract_lbl" xml:lang="en-US">Impacts of revisions in the risk free discount rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ImpactsOfRevisionsInRiskFreeDiscountRateAbstract_lbl" xml:lang="en-US">Impacts of revisions in the risk free discount rate.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ChargeReductionToOperatingExpenses" xlink:label="wm_ChargeReductionToOperatingExpenses" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ChargeReductionToOperatingExpenses" xlink:to="wm_ChargeReductionToOperatingExpenses_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ChargeReductionToOperatingExpenses_lbl" xml:lang="en-US">Charge Reduction to Operating Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ChargeReductionToOperatingExpenses_lbl" xml:lang="en-US">Charge (reduction) to operating expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ChargeReductionToOperatingExpenses_lbl" xml:lang="en-US">Charge reduction to operating expenses.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AccrualsForEnvironmentalLossContingenciesDiscountRate" xlink:label="wm_AccrualsForEnvironmentalLossContingenciesDiscountRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AccrualsForEnvironmentalLossContingenciesDiscountRate" xlink:to="wm_AccrualsForEnvironmentalLossContingenciesDiscountRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AccrualsForEnvironmentalLossContingenciesDiscountRate_lbl" xml:lang="en-US">Accruals for Environmental Loss Contingencies Discount Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AccrualsForEnvironmentalLossContingenciesDiscountRate_lbl" xml:lang="en-US">Risk-free discount rate applied to environmental remediation liabilities and recovery assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AccrualsForEnvironmentalLossContingenciesDiscountRate_lbl" xml:lang="en-US">Accruals for environmental loss contingencies discount rate.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesAbstract" xlink:label="wm_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesAbstract" xlink:to="wm_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesAbstract_lbl" xml:lang="en-US">Estimated Useful Lives for Significant Property and Equipment Categories [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesAbstract_lbl" xml:lang="en-US">The estimated useful lives for significant property and equipment categories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesAbstract_lbl" xml:lang="en-US">The estimated useful lives for significant property and equipment categories.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_VehiclesExcludingRailHaulCarsMember" xlink:label="wm_VehiclesExcludingRailHaulCarsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VehiclesExcludingRailHaulCarsMember" xlink:to="wm_VehiclesExcludingRailHaulCarsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VehiclesExcludingRailHaulCarsMember_lbl" xml:lang="en-US">Vehicles Excluding Rail Haul Cars [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_VehiclesExcludingRailHaulCarsMember_lbl" xml:lang="en-US">Vehicles - excluding rail haul cars [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VehiclesExcludingRailHaulCarsMember_lbl" xml:lang="en-US">Vehicles - excluding rail haul cars.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_WasteToEnergyFacilitiesAndRelatedEquipmentMember" xlink:label="wm_WasteToEnergyFacilitiesAndRelatedEquipmentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WasteToEnergyFacilitiesAndRelatedEquipmentMember" xlink:to="wm_WasteToEnergyFacilitiesAndRelatedEquipmentMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WasteToEnergyFacilitiesAndRelatedEquipmentMember_lbl" xml:lang="en-US">Waste to Energy Facilities and Related Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_WasteToEnergyFacilitiesAndRelatedEquipmentMember_lbl" xml:lang="en-US">Waste-to-energy facilities and related equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WasteToEnergyFacilitiesAndRelatedEquipmentMember_lbl" xml:lang="en-US">Waste to energy facilities and related equipment.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="us-gaap_FurnitureAndFixturesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FurnitureAndFixturesMember" xlink:to="lab_FurnitureAndFixturesMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FurnitureAndFixturesMember" xml:lang="en-US">Furniture and Fixtures [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FurnitureAndFixturesMember" xml:lang="en-US">Furniture, fixtures and office equipment [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="us-gaap_BuildingAndBuildingImprovementsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BuildingAndBuildingImprovementsMember" xlink:to="lab_BuildingAndBuildingImprovementsMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BuildingAndBuildingImprovementsMember" xml:lang="en-US">Building and Building Improvements [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BuildingAndBuildingImprovementsMember" xml:lang="en-US">Buildings and improvements - excluding waste-to-energy facilities [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="us-gaap_MachineryAndEquipmentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MachineryAndEquipmentMember" xlink:to="lab_MachineryAndEquipmentMember" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RailroadTransportationEquipmentMember" xlink:label="us-gaap_RailroadTransportationEquipmentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RailroadTransportationEquipmentMember" xlink:to="lab_RailroadTransportationEquipmentMember" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum" xlink:to="lab_PropertyPlantAndEquipmentUsefulLifeMinimum" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentUsefulLifeMinimum" xml:lang="en-US">Property and equipment useful lives, minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentUsefulLifeMinimum" xml:lang="en-US">Property, Plant and Equipment, Useful Life, Minimum</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum" xlink:to="lab_PropertyPlantAndEquipmentUsefulLifeMaximum" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentUsefulLifeMaximum" xml:lang="en-US">Property and equipment useful lives, maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentUsefulLifeMaximum" xml:lang="en-US">Property, Plant and Equipment, Useful Life, Maximum</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="lab_SupplementalCashFlowInformationAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="lab_InterestPaidNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestPaidNet" xml:lang="en-US">Interest Paid, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestPaidNet" xml:lang="en-US">Interest, net of capitalized interest and periodic settlements from interest rate swap agreements</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="us-gaap_IncomeTaxesPaid" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesPaid" xlink:to="lab_IncomeTaxesPaid" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeTaxesPaid" xml:lang="en-US">Income Taxes Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeTaxesPaid" xml:lang="en-US">Income taxes</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SummaryOfSignificantAccountingPoliciesTextualAbstract" xlink:label="wm_SummaryOfSignificantAccountingPoliciesTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SummaryOfSignificantAccountingPoliciesTextualAbstract" xlink:to="wm_SummaryOfSignificantAccountingPoliciesTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SummaryOfSignificantAccountingPoliciesTextualAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SummaryOfSignificantAccountingPoliciesTextualAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SummaryOfSignificantAccountingPoliciesTextualAbstract_lbl" xml:lang="en-US">Summary of significant accounting policies.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RequiredPeriodToMaintainAndMonitorLandfillSites" xlink:label="wm_RequiredPeriodToMaintainAndMonitorLandfillSites" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RequiredPeriodToMaintainAndMonitorLandfillSites" xlink:to="wm_RequiredPeriodToMaintainAndMonitorLandfillSites_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RequiredPeriodToMaintainAndMonitorLandfillSites_lbl" xml:lang="en-US">Required Period to Maintain and Monitor Landfill Sites</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RequiredPeriodToMaintainAndMonitorLandfillSites_lbl" xml:lang="en-US">Required period to maintain and monitor landfill sites.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RequiredPeriodToMaintainAndMonitorLandfillSites_lbl" xml:lang="en-US">Typically required period to maintain and monitor landfill sites in years</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_InflationRate" xlink:label="wm_InflationRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_InflationRate" xlink:to="wm_InflationRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InflationRate_lbl" xml:lang="en-US">Inflation Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InflationRate_lbl" xml:lang="en-US">Inflation rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_InflationRate_lbl" xml:lang="en-US">Inflation rate</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MinimumWeightedAverageRateApplicableToAssetRetirementObligations" xlink:label="wm_MinimumWeightedAverageRateApplicableToAssetRetirementObligations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MinimumWeightedAverageRateApplicableToAssetRetirementObligations" xlink:to="wm_MinimumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MinimumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US">Minimum Weighted Average Rate Applicable to Asset Retirement Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_MinimumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US">Credit adjusted, risk free discount rate applicable to asset retirement obligations, lower range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MinimumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US">Minimum weighted average rate applicable to asset retirement obligations.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MaximumWeightedAverageRateApplicableToAssetRetirementObligations" xlink:label="wm_MaximumWeightedAverageRateApplicableToAssetRetirementObligations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MaximumWeightedAverageRateApplicableToAssetRetirementObligations" xlink:to="wm_MaximumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MaximumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US">Maximum Weighted Average Rate Applicable to Asset Retirement Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_MaximumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US">Credit adjusted, risk free discount rate applicable to asset retirement obligations, upper range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MaximumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US">Maximum weighted average rate applicable to asset retirement obligations.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred" xlink:label="wm_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred" xlink:to="wm_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred_lbl" xml:lang="en-US">Expected Credit Adjusted Risk Free Discount Rate Applied to Liabilities Incurred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred_lbl" xml:lang="en-US">Expected credit-adjusted, risk-free discount rate applied to liabilities incurred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred_lbl" xml:lang="en-US">Expected credit-adjusted, risk-free discount rate applied to liabilities incurred.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AdjustmentToLandfillAirspaceAmortizationExpenseBecauseOfChangesInExpectationsOfTimingAndCostOfFutureFinalCappingClosureAndPostClosureOfFullyUtilizedAirspace" xlink:label="wm_AdjustmentToLandfillAirspaceAmortizationExpenseBecauseOfChangesInExpectationsOfTimingAndCostOfFutureFinalCappingClosureAndPostClosureOfFullyUtilizedAirspace" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AdjustmentToLandfillAirspaceAmortizationExpenseBecauseOfChangesInExpectationsOfTimingAndCostOfFutureFinalCappingClosureAndPostClosureOfFullyUtilizedAirspace" xlink:to="wm_AdjustmentToLandfillAirspaceAmortizationExpenseBecauseOfChangesInExpectationsOfTimingAndCostOfFutureFinalCappingClosureAndPostClosureOfFullyUtilizedAirspace_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AdjustmentToLandfillAirspaceAmortizationExpenseBecauseOfChangesInExpectationsOfTimingAndCostOfFutureFinalCappingClosureAndPostClosureOfFullyUtilizedAirspace_lbl" xml:lang="en-US">Adjustment to Landfill Airspace Amortization Expense Because of Changes in Expectations of Timing and Cost of Future Final Capping Closure and Post Closure of Fully Utilized Airspace</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AdjustmentToLandfillAirspaceAmortizationExpenseBecauseOfChangesInExpectationsOfTimingAndCostOfFutureFinalCappingClosureAndPostClosureOfFullyUtilizedAirspace_lbl" xml:lang="en-US">Net credit adjustment to landfill airspace amortization expense due to changes in our expectations for timing and cost of future final capping, closure and post-closure of fully utilized airspace</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AdjustmentToLandfillAirspaceAmortizationExpenseBecauseOfChangesInExpectationsOfTimingAndCostOfFutureFinalCappingClosureAndPostClosureOfFullyUtilizedAirspace_lbl" xml:lang="en-US">Adjustment to landfill airspace amortization expense because of changes in expectations of timing and cost of future final capping closure and post closure of fully utilized airspace.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NumberOfLandfillsSitesWithExpansion" xlink:label="wm_NumberOfLandfillsSitesWithExpansion" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfLandfillsSitesWithExpansion" xlink:to="wm_NumberOfLandfillsSitesWithExpansion_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfLandfillsSitesWithExpansion_lbl" xml:lang="en-US">Number of Landfills Sites with Expansion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfLandfillsSitesWithExpansion_lbl" xml:lang="en-US">Number of landfills sites with expansion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfLandfillsSitesWithExpansion_lbl" xml:lang="en-US">Number of landfills sites with expansion.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting" xlink:label="wm_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting" xlink:to="wm_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting_lbl" xml:lang="en-US">Environmental Remediation Liabilities that have Never been Subject to Inflation or Discounting</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting_lbl" xml:lang="en-US">Environmental remediation liabilities that have never been subject to inflation or discounting</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting_lbl" xml:lang="en-US">Environmental remediation liabilities that have never been subject to inflation or discounting.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CapitalizedComputerSoftwareNet" xlink:label="us-gaap_CapitalizedComputerSoftwareNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizedComputerSoftwareNet" xlink:to="lab_CapitalizedComputerSoftwareNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CapitalizedComputerSoftwareNet" xml:lang="en-US">Capitalized Computer Software, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CapitalizedComputerSoftwareNet" xml:lang="en-US">Capitalized software costs, net of accumulated depreciation</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ChargeReductionToOperatingExpensesAttributableToNoncontrollingInterests" xlink:label="wm_ChargeReductionToOperatingExpensesAttributableToNoncontrollingInterests" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ChargeReductionToOperatingExpensesAttributableToNoncontrollingInterests" xlink:to="wm_ChargeReductionToOperatingExpensesAttributableToNoncontrollingInterests_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ChargeReductionToOperatingExpensesAttributableToNoncontrollingInterests_lbl" xml:lang="en-US">Charge Reduction to Operating Expenses Attributable to Noncontrolling Interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ChargeReductionToOperatingExpensesAttributableToNoncontrollingInterests_lbl" xml:lang="en-US">Charge (reduction) to operating expenses attributable to noncontrolling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ChargeReductionToOperatingExpensesAttributableToNoncontrollingInterests_lbl" xml:lang="en-US">Charge reduction to operating expenses attributable to noncontrolling interests.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_OtherIntangibleAssetsAmortizationMethod" xlink:label="wm_OtherIntangibleAssetsAmortizationMethod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OtherIntangibleAssetsAmortizationMethod" xlink:to="wm_OtherIntangibleAssetsAmortizationMethod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OtherIntangibleAssetsAmortizationMethod_lbl" xml:lang="en-US">Other Intangible Assets Amortization Method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_OtherIntangibleAssetsAmortizationMethod_lbl" xml:lang="en-US">Other intangible assets, amortization method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OtherIntangibleAssetsAmortizationMethod_lbl" xml:lang="en-US">Other intangible assets, amortization method.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RestrictedTrustAndEscrowAccounts" xlink:label="wm_RestrictedTrustAndEscrowAccounts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RestrictedTrustAndEscrowAccounts" xlink:to="wm_RestrictedTrustAndEscrowAccounts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RestrictedTrustAndEscrowAccounts_lbl" xml:lang="en-US">Restricted Trust and Escrow Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RestrictedTrustAndEscrowAccounts_lbl" xml:lang="en-US">Restricted trust and escrow accounts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RestrictedTrustAndEscrowAccounts_lbl" xml:lang="en-US">Restricted trust and escrow accounts</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="lab_InterestExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestExpense" xml:lang="en-US">Interest Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_InterestExpense" xml:lang="en-US">Interest Expense, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestExpense" xml:lang="en-US">Total interest costs</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="us-gaap_InterestCostsCapitalized" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestCostsCapitalized" xlink:to="lab_InterestCostsCapitalized" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestCostsCapitalized" xml:lang="en-US">Interest Costs, Capitalized During Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestCostsCapitalized" xml:lang="en-US">Total capitalized interest costs</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EquityMethodInvestmentNonCashComponentOfInitialCost" xlink:label="wm_EquityMethodInvestmentNonCashComponentOfInitialCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EquityMethodInvestmentNonCashComponentOfInitialCost" xlink:to="wm_EquityMethodInvestmentNonCashComponentOfInitialCost_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EquityMethodInvestmentNonCashComponentOfInitialCost_lbl" xml:lang="en-US">Equity Method Investment Non-cash Component of Initial Cost</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="wm_LandfillAndEnvironmentalRemediationLiabilitiesAbstract_lbl" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LandfillAndEnvironmentalRemediationLiabilitiesAbstract_lbl" xml:lang="en-US">Landfill and environmental remediation liabilities.</label>
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityReductionOfRestrictedTrustAndEscrowAccounts" xlink:label="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityReductionOfRestrictedTrustAndEscrowAccounts" />
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Undiscounted, Due within One Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" xml:lang="en-US">Anticipated payments for currently identified environmental remediation liabilities in 2012</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Undiscounted, Due in Second Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear" xml:lang="en-US">Anticipated payments for currently identified environmental remediation liabilities in 2013</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Undiscounted, Due in Third Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear" xml:lang="en-US">Anticipated payments for currently identified environmental remediation liabilities in 2014</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Undiscounted, Due in Fourth Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear" xml:lang="en-US">Anticipated payments for currently identified environmental remediation liabilities in 2015</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Undiscounted, Due in Fifth Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear" xml:lang="en-US">Anticipated payments for currently identified environmental remediation liabilities in 2016</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Undiscounted, Due after Fifth Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear" xml:lang="en-US">Anticipated payments for currently identified environmental remediation liabilities, after 2016</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PensionAndOtherPostretirementBenefitExpenseAbstract" xml:lang="en-US">Employee Benefit Plans [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xml:lang="en-US">Pension and Other Postretirement Benefits Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xml:lang="en-US">Employee Benefit Plans</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EmployeeBenefitPlansTextualAbstract" xlink:label="wm_EmployeeBenefitPlansTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EmployeeBenefitPlansTextualAbstract" xlink:to="wm_EmployeeBenefitPlansTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EmployeeBenefitPlansTextualAbstract_lbl" xml:lang="en-US">Employee Benefit Plans (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EmployeeBenefitPlansTextualAbstract_lbl" xml:lang="en-US">Employee benefit plans.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EmployeeBenefitPlansDetailsAbstract" xlink:label="wm_EmployeeBenefitPlansDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EmployeeBenefitPlansDetailsAbstract" xlink:to="wm_EmployeeBenefitPlansDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EmployeeBenefitPlansDetailsAbstract_lbl" xml:lang="en-US">Employee Benefit Plans (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EmployeeBenefitPlansDetailsAbstract_lbl" xml:lang="en-US">Employee benefit plans.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EmployeeWaitingPeriodAfterHireToParticipateInDefinedContributionPlans" xlink:label="wm_EmployeeWaitingPeriodAfterHireToParticipateInDefinedContributionPlans" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EmployeeWaitingPeriodAfterHireToParticipateInDefinedContributionPlans_lbl" xml:lang="en-US">Employee Waiting Period after Hire to Participate in Defined Contribution Plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EmployeeWaitingPeriodAfterHireToParticipateInDefinedContributionPlans_lbl" xml:lang="en-US">Employee waiting period after hire to participate in the defined contribution plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EmployeeWaitingPeriodAfterHireToParticipateInDefinedContributionPlans_lbl" xml:lang="en-US">Employee waiting period after hire to participate in the defined contribution plans.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EmployeeMaximumContributionTowardsDefinedContributionPlansAsPercentageOfAnnualCompensation_lbl" xml:lang="en-US">Employee Maximum Contribution towards Defined Contribution Plans as Percentage of Annual Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EmployeeMaximumContributionTowardsDefinedContributionPlansAsPercentageOfAnnualCompensation_lbl" xml:lang="en-US">Employee maximum contribution towards defined contribution plans as percentage of annual compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EmployeeMaximumContributionTowardsDefinedContributionPlansAsPercentageOfAnnualCompensation_lbl" xml:lang="en-US">Employee maximum contribution towards defined contribution plans as percentage of annual compensation</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation" xlink:label="wm_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation" xlink:to="wm_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation_lbl" xml:lang="en-US">Employers Match in Cash of Employee Contributions on First Specified Percentage of Eligible Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation_lbl" xml:lang="en-US">Employer's match in cash of employee contributions on first specified percentage of eligible compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation_lbl" xml:lang="en-US">Employer's match in cash of employee contributions on first specified percentage of eligible compensation</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash" xlink:label="wm_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US">First percentage of eligible compensation on which specified percentage of contribution is matched by the employer in cash</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EmployersMatchInCashOfEmployeeContributionsOnNextSpecifiedPercentageOfEligibleCompensation_lbl" xml:lang="en-US">Employer's Match in Cash of Employee Contributions on Next Specified Percentage of Eligible Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EmployersMatchInCashOfEmployeeContributionsOnNextSpecifiedPercentageOfEligibleCompensation_lbl" xml:lang="en-US">Employer's match in cash of employee contributions on next specified percentage of eligible compensation</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US">Next Percentage of Eligible Compensation on which Specified Percentage of Contribution is Matched by Employer in Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US">Next percentage of eligible compensation on which specified percentage of contribution is matched by the employer in cash.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US">Next percentage of eligible compensation on which specified percentage of contribution is matched by the employer in cash</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EmployerMaximumMatchOfEmployeeContributionOnEligibleCompensation" xlink:label="wm_EmployerMaximumMatchOfEmployeeContributionOnEligibleCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EmployerMaximumMatchOfEmployeeContributionOnEligibleCompensation" xlink:to="wm_EmployerMaximumMatchOfEmployeeContributionOnEligibleCompensation_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EmployerMaximumMatchOfEmployeeContributionOnEligibleCompensation_lbl" xml:lang="en-US">Employer Maximum Match of Employee Contribution on Eligible Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EmployerMaximumMatchOfEmployeeContributionOnEligibleCompensation_lbl" xml:lang="en-US">Employer maximum match of employee contribution on eligible compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EmployerMaximumMatchOfEmployeeContributionOnEligibleCompensation_lbl" xml:lang="en-US">Employer maximum match of employee contribution on eligible compensation</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="us-gaap_DefinedContributionPlanCostRecognized" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanCostRecognized" xlink:to="lab_DefinedContributionPlanCostRecognized" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedContributionPlanCostRecognized" xml:lang="en-US">Operating, selling, general and administrative expenses for our defined contribution plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedContributionPlanCostRecognized" xml:lang="en-US">Defined Contribution Plan, Cost Recognized</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AdditionalEmployeeBenefitPlansTextualAbstract" xlink:label="wm_AdditionalEmployeeBenefitPlansTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AdditionalEmployeeBenefitPlansTextualAbstract" xlink:to="wm_AdditionalEmployeeBenefitPlansTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AdditionalEmployeeBenefitPlansTextualAbstract_lbl" xml:lang="en-US">Additional Employee Benefit Plans (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AdditionalEmployeeBenefitPlansTextualAbstract_lbl" xml:lang="en-US">Additional employee benefit plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AdditionalEmployeeBenefitPlansTextualAbstract_lbl" xml:lang="en-US">Additional Employee Benefit Plans (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" xlink:label="us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" xlink:to="lab_DefinedBenefitPlanAccumulatedBenefitObligation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAccumulatedBenefitObligation" xml:lang="en-US">Defined Benefit Plan, Accumulated Benefit Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanAccumulatedBenefitObligation" xml:lang="en-US">Combined accumulated benefit obligation of pension plans</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:to="lab_DefinedBenefitPlanFairValueOfPlanAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanFairValueOfPlanAssets" xml:lang="en-US">Defined Benefit Plan, Fair Value of Plan Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_DefinedBenefitPlanFairValueOfPlanAssets" xml:lang="en-US">Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_DefinedBenefitPlanFairValueOfPlanAssets" xml:lang="en-US">Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanFairValueOfPlanAssets" xml:lang="en-US">Plan assets of pension plans</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xlink:to="lab_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xml:lang="en-US">Pension and Other Postretirement Defined Benefit Plans, Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xml:lang="en-US">Pension and Other Postretirement Defined Benefit Plans, Liabilities, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xml:lang="en-US">Accrued benefit liabilities for defined benefit pension and other post retirement plans</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MultiemployerPlanPeriodContributions" xlink:label="us-gaap_MultiemployerPlanPeriodContributions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MultiemployerPlanPeriodContributions" xlink:to="lab_MultiemployerPlanPeriodContributions" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MultiemployerPlanPeriodContributions" xml:lang="en-US">Multiemployer Plan, Period Contributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_MultiemployerPlanPeriodContributions" xml:lang="en-US">Contributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MultiemployerPlanPeriodContributions" xml:lang="en-US">Contributions to multiemployer defined benefit plans</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NumberOfMarketAreasInGeographicalGroupsOfPrincipalOperations" xlink:label="wm_NumberOfMarketAreasInGeographicalGroupsOfPrincipalOperations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfMarketAreasInGeographicalGroupsOfPrincipalOperations" xlink:to="wm_NumberOfMarketAreasInGeographicalGroupsOfPrincipalOperations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfMarketAreasInGeographicalGroupsOfPrincipalOperations_lbl" xml:lang="en-US">Number of Market Areas in Geographical Groups of Principal Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfMarketAreasInGeographicalGroupsOfPrincipalOperations_lbl" xml:lang="en-US">Number of market areas in geographical groups of principal operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfMarketAreasInGeographicalGroupsOfPrincipalOperations_lbl" xml:lang="en-US">Number of market areas in geographical groups of principal operations</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NumberOfAreasInWhichMarketAreasWereConsolidated" xlink:label="wm_NumberOfAreasInWhichMarketAreasWereConsolidated" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfAreasInWhichMarketAreasWereConsolidated" xlink:to="wm_NumberOfAreasInWhichMarketAreasWereConsolidated_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfAreasInWhichMarketAreasWereConsolidated_lbl" xml:lang="en-US">Number of Areas in which Market Areas were Consolidated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfAreasInWhichMarketAreasWereConsolidated_lbl" xml:lang="en-US">Number of areas in which market areas were consolidated.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfAreasInWhichMarketAreasWereConsolidated_lbl" xml:lang="en-US">Number of areas in which market areas were consolidated</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TwoThousandElevenRestructuringPlanMember" xlink:label="wm_TwoThousandElevenRestructuringPlanMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TwoThousandElevenRestructuringPlanMember" xlink:to="wm_TwoThousandElevenRestructuringPlanMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TwoThousandElevenRestructuringPlanMember_lbl" xml:lang="en-US">Two Thousand Eleven Restructuring Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TwoThousandElevenRestructuringPlanMember_lbl" xml:lang="en-US">2011 Restructuring Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TwoThousandElevenRestructuringPlanMember_lbl" xml:lang="en-US">Two thousand eleven restructuring plan.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TwoThousandNineRestructuringPlanMember" xlink:label="wm_TwoThousandNineRestructuringPlanMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TwoThousandNineRestructuringPlanMember" xlink:to="wm_TwoThousandNineRestructuringPlanMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TwoThousandNineRestructuringPlanMember_lbl" xml:lang="en-US">Two Thousand Nine Restructuring Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TwoThousandNineRestructuringPlanMember_lbl" xml:lang="en-US">Two thousand nine restructuring plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TwoThousandNineRestructuringPlanMember_lbl" xml:lang="en-US">2009 Restructuring Plan [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AccumulatedOtherComprehensiveIncomeTablesAbstract" xlink:label="wm_AccumulatedOtherComprehensiveIncomeTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AccumulatedOtherComprehensiveIncomeTablesAbstract" xlink:to="wm_AccumulatedOtherComprehensiveIncomeTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AccumulatedOtherComprehensiveIncomeTablesAbstract_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AccumulatedOtherComprehensiveIncomeTablesAbstract_lbl" xml:lang="en-US">Accumulated other comprehensive income.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ComponentsOfAccumulatedOtherComprehensiveIncomeTextBlock" xlink:label="wm_ComponentsOfAccumulatedOtherComprehensiveIncomeTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ComponentsOfAccumulatedOtherComprehensiveIncomeTextBlock" xlink:to="wm_ComponentsOfAccumulatedOtherComprehensiveIncomeTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ComponentsOfAccumulatedOtherComprehensiveIncomeTextBlock_lbl" xml:lang="en-US">Components of Accumulated Other Comprehensive Income [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ComponentsOfAccumulatedOtherComprehensiveIncomeTextBlock_lbl" xml:lang="en-US">Components of accumulated other comprehensive income included in stockholders' equity of the company</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ComponentsOfAccumulatedOtherComprehensiveIncomeTextBlock_lbl" xml:lang="en-US">Components of accumulated other comprehensive income.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AccumulatedOtherComprehensiveIncomeDetailsAbstract" xlink:label="wm_AccumulatedOtherComprehensiveIncomeDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AccumulatedOtherComprehensiveIncomeDetailsAbstract" xlink:to="wm_AccumulatedOtherComprehensiveIncomeDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AccumulatedOtherComprehensiveIncomeDetailsAbstract_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AccumulatedOtherComprehensiveIncomeDetailsAbstract_lbl" xml:lang="en-US">Accumulated other comprehensive income.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:to="lab_ScheduleOfDefinedBenefitPlansDisclosuresTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfDefinedBenefitPlansDisclosuresTable" xml:lang="en-US">Schedule of Defined Benefit Plans Disclosures [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:to="lab_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xml:lang="en-US">Defined Benefit Plans Disclosures Defined Benefit Plans [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="us-gaap_DefinedBenefitPlansDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlansDomain" xlink:to="lab_DefinedBenefitPlansDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlansDomain" xml:lang="en-US">Defined Benefit Plans [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember" xlink:label="us-gaap_PensionPlansDefinedBenefitMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionPlansDefinedBenefitMember" xlink:to="lab_PensionPlansDefinedBenefitMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PensionPlansDefinedBenefitMember" xml:lang="en-US">Pension Plans Defined Benefit [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PensionPlansDefinedBenefitMember" xml:lang="en-US">Pension Plans [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:to="lab_OtherPostretirementBenefitPlansDefinedBenefitMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherPostretirementBenefitPlansDefinedBenefitMember" xml:lang="en-US">Other Postretirement Benefit Plans Defined Benefit [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherPostretirementBenefitPlansDefinedBenefitMember" xml:lang="en-US">Other Postretirement Plans [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:to="lab_DefinedBenefitPlanDisclosureLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanDisclosureLineItems" xml:lang="en-US">Defined Benefit Plan Disclosure [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="us-gaap_DefinedBenefitPlanFundedStatusOfPlan" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:to="lab_DefinedBenefitPlanFundedStatusOfPlan" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanFundedStatusOfPlan" xml:lang="en-US">Defined Benefit Plan Funded Status of Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanFundedStatusOfPlan" xml:lang="en-US">Unfunded benefit obligation of pension and other post-retirement plans</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestructuringReserveByTypeOfRestructuringAxis" xlink:label="us-gaap_RestructuringReserveByTypeOfRestructuringAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringReserveByTypeOfRestructuringAxis" xlink:to="lab_RestructuringReserveByTypeOfRestructuringAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RestructuringReserveByTypeOfRestructuringAxis" xml:lang="en-US">Restructuring Reserve by Type of Restructuring [Axis]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AccumulatedOtherComprehensiveIncomeTextualAbstract" xlink:label="wm_AccumulatedOtherComprehensiveIncomeTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AccumulatedOtherComprehensiveIncomeTextualAbstract" xlink:to="wm_AccumulatedOtherComprehensiveIncomeTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AccumulatedOtherComprehensiveIncomeTextualAbstract_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AccumulatedOtherComprehensiveIncomeTextualAbstract_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AccumulatedOtherComprehensiveIncomeTextualAbstract_lbl" xml:lang="en-US">Accumulated other comprehensive income.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncomeTaxesTablesAbstract_lbl" xml:lang="en-US">Income Taxes (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeTaxesTablesAbstract_lbl" xml:lang="en-US">Income taxes.</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ProvisionForIncomeTaxesTableTextBlock" xlink:to="wm_ProvisionForIncomeTaxesTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ProvisionForIncomeTaxesTableTextBlock_lbl" xml:lang="en-US">Provision for Income Taxes [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ProvisionForIncomeTaxesTableTextBlock_lbl" xml:lang="en-US">Provision for Income Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ProvisionForIncomeTaxesTableTextBlock_lbl" xml:lang="en-US">Provision for income taxes.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncomeBeforeIncomeTaxesShowingDomesticAndForeignSourcesTableTextBlock" xlink:label="wm_IncomeBeforeIncomeTaxesShowingDomesticAndForeignSourcesTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncomeBeforeIncomeTaxesShowingDomesticAndForeignSourcesTableTextBlock" xlink:to="wm_IncomeBeforeIncomeTaxesShowingDomesticAndForeignSourcesTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncomeBeforeIncomeTaxesShowingDomesticAndForeignSourcesTableTextBlock_lbl" xml:lang="en-US">Income Before Income Taxes Showing Domestic and Foreign Sources [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncomeBeforeIncomeTaxesShowingDomesticAndForeignSourcesTableTextBlock_lbl" xml:lang="en-US">Income before income taxes showing domestic and foreign sources</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeBeforeIncomeTaxesShowingDomesticAndForeignSourcesTableTextBlock_lbl" xml:lang="en-US">Income before income taxes showing domestic and foreign sources.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ComponentsOfNetDeferredTaxAssetsLiabilitiesTableTextBlock" xlink:label="wm_ComponentsOfNetDeferredTaxAssetsLiabilitiesTableTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ComponentsOfNetDeferredTaxAssetsLiabilitiesTableTextBlock_lbl" xml:lang="en-US">Components of Net Deferred Tax Assets Liabilities [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ComponentsOfNetDeferredTaxAssetsLiabilitiesTableTextBlock_lbl" xml:lang="en-US">Components of net deferred tax assets (liabilities)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ComponentsOfNetDeferredTaxAssetsLiabilitiesTableTextBlock_lbl" xml:lang="en-US">Components of the net deferred tax assets liabilities.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ReconciliationOfBeginningAndEndingAmountOfUnrecognizedTaxBenefitsIncludingAccruedInterestTableTextBlock" xlink:label="wm_ReconciliationOfBeginningAndEndingAmountOfUnrecognizedTaxBenefitsIncludingAccruedInterestTableTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ReconciliationOfBeginningAndEndingAmountOfUnrecognizedTaxBenefitsIncludingAccruedInterestTableTextBlock_lbl" xml:lang="en-US">Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits Including Accrued Interest [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ReconciliationOfBeginningAndEndingAmountOfUnrecognizedTaxBenefitsIncludingAccruedInterestTableTextBlock_lbl" xml:lang="en-US">Reconciliation of beginning and ending amount of gross unrecognized tax benefits, including accrued interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ReconciliationOfBeginningAndEndingAmountOfUnrecognizedTaxBenefitsIncludingAccruedInterestTableTextBlock_lbl" xml:lang="en-US">Reconciliation of beginning and ending amount of unrecognized tax benefits including accrued interest.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xml:lang="en-US">Current Income Tax Expense Benefit Continuing Operations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xml:lang="en-US">Current:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentFederalTaxExpenseBenefit" xlink:to="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xml:lang="en-US">Current Federal Tax Expense Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xml:lang="en-US">Federal</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:to="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xml:lang="en-US">Current State and Local Tax Expense Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xml:lang="en-US">State</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Current Income Tax Expense Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Current total</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xml:lang="en-US">Deferred Income Tax Expense Benefit Continuing Operations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xml:lang="en-US">Deferred:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred Federal Income Tax Expense Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Federal</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred State And Local Income Tax Expense Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">State</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred Foreign Income Tax Expense Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Foreign</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitContinuingOperations" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefitContinuingOperations" xlink:to="us-gaap_IncomeTaxExpenseBenefitContinuingOperations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperations_lbl" xml:lang="en-US">Income Tax Expense Benefit Continuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperations_lbl" xml:lang="en-US">Provision for income taxes</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentForeignTaxExpenseBenefit" xlink:to="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xml:lang="en-US">Current Foreign Tax Expense Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xml:lang="en-US">Foreign</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EffectiveIncomeTaxRateReconciliationTaxingAuthorityAuditSettlementsAndOtherTaxAdjustments" xlink:label="wm_EffectiveIncomeTaxRateReconciliationTaxingAuthorityAuditSettlementsAndOtherTaxAdjustments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EffectiveIncomeTaxRateReconciliationTaxingAuthorityAuditSettlementsAndOtherTaxAdjustments" xlink:to="wm_EffectiveIncomeTaxRateReconciliationTaxingAuthorityAuditSettlementsAndOtherTaxAdjustments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EffectiveIncomeTaxRateReconciliationTaxingAuthorityAuditSettlementsAndOtherTaxAdjustments_lbl" xml:lang="en-US">Effective Income Tax Rate Reconciliation Taxing Authority Audit Settlements and Other Tax Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EffectiveIncomeTaxRateReconciliationTaxingAuthorityAuditSettlementsAndOtherTaxAdjustments_lbl" xml:lang="en-US">Effective income tax rate reconciliation taxing authority audit settlements and other tax adjustments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EffectiveIncomeTaxRateReconciliationTaxingAuthorityAuditSettlementsAndOtherTaxAdjustments_lbl" xml:lang="en-US">Taxing authority audit settlements and other tax adjustments</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EffectiveIncomeTaxRateReconciliationUtilizationOfCapitalLoss" xlink:label="wm_EffectiveIncomeTaxRateReconciliationUtilizationOfCapitalLoss" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EffectiveIncomeTaxRateReconciliationUtilizationOfCapitalLoss" xlink:to="wm_EffectiveIncomeTaxRateReconciliationUtilizationOfCapitalLoss_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EffectiveIncomeTaxRateReconciliationUtilizationOfCapitalLoss_lbl" xml:lang="en-US">Effective Income Tax Rate Reconciliation Utilization of Capital Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EffectiveIncomeTaxRateReconciliationUtilizationOfCapitalLoss_lbl" xml:lang="en-US">Effective income tax rate reconciliation utilization of capital loss.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EffectiveIncomeTaxRateReconciliationUtilizationOfCapitalLoss_lbl" xml:lang="en-US">Utilization of capital loss</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl" xml:lang="en-US">Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl" xml:lang="en-US">U.S. federal statutory income tax rate reconciled to effective rate</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xml:lang="en-US">Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xml:lang="en-US">Income tax expense at U.S. federal statutory rate</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xml:lang="en-US">Effective Income Tax Rate Reconciliation State and Local Income Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xml:lang="en-US">State and local income taxes, net of federal income tax benefit</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther_lbl" xml:lang="en-US">Effective Income Tax Rate Reconciliation Tax Credits Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther_lbl" xml:lang="en-US">Miscellaneous federal tax credits</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xml:lang="en-US">Lapse of statute of limitations</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_UnrecognizedTaxBenefits" xml:lang="en-US">Unrecognized Tax Benefits</label>
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DeferredStateTaxRate" xlink:label="wm_DeferredStateTaxRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DeferredStateTaxRate" xlink:to="wm_DeferredStateTaxRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DeferredStateTaxRate_lbl" xml:lang="en-US">Deferred State Tax Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DeferredStateTaxRate_lbl" xml:lang="en-US">Deferred state tax rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DeferredStateTaxRate_lbl" xml:lang="en-US">Deferred state tax rate.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncreaseInProvisionForIncomeTaxesDueToCurrentStateTaxRateChanges" xlink:label="wm_IncreaseInProvisionForIncomeTaxesDueToCurrentStateTaxRateChanges" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncreaseInProvisionForIncomeTaxesDueToCurrentStateTaxRateChanges_lbl" xml:lang="en-US">Increase in Provision for Income Taxes Due to Current State Tax Rate Changes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncreaseInProvisionForIncomeTaxesDueToCurrentStateTaxRateChanges_lbl" xml:lang="en-US">Increase in provision for income taxes due to current state tax rate changes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncreaseInProvisionForIncomeTaxesDueToCurrentStateTaxRateChanges_lbl" xml:lang="en-US">Increase in provision for income taxes due to current state tax rate changes.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncreaseInProvisionForIncomeTaxesDueToDeferredStateTaxRateChanges" xlink:label="wm_IncreaseInProvisionForIncomeTaxesDueToDeferredStateTaxRateChanges" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncreaseInProvisionForIncomeTaxesDueToDeferredStateTaxRateChanges" xlink:to="wm_IncreaseInProvisionForIncomeTaxesDueToDeferredStateTaxRateChanges_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncreaseInProvisionForIncomeTaxesDueToDeferredStateTaxRateChanges_lbl" xml:lang="en-US">Increase in Provision for Income Taxes Due to Deferred State Tax Rate Changes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncreaseInProvisionForIncomeTaxesDueToDeferredStateTaxRateChanges_lbl" xml:lang="en-US">Increase in provision for income taxes due to deferred state tax rate changes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncreaseInProvisionForIncomeTaxesDueToDeferredStateTaxRateChanges_lbl" xml:lang="en-US">Increase in provision for income taxes due to deferred state tax rate changes.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ReductionInProvisionForIncomeTaxesDueToStateNetOperatingLossAndCreditCarryForwards" xlink:label="wm_ReductionInProvisionForIncomeTaxesDueToStateNetOperatingLossAndCreditCarryForwards" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ReductionInProvisionForIncomeTaxesDueToStateNetOperatingLossAndCreditCarryForwards" xlink:to="wm_ReductionInProvisionForIncomeTaxesDueToStateNetOperatingLossAndCreditCarryForwards_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ReductionInProvisionForIncomeTaxesDueToStateNetOperatingLossAndCreditCarryForwards_lbl" xml:lang="en-US">Reduction in Provision for Income Taxes Due to State Net Operating Loss and Credit Carry Forwards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ReductionInProvisionForIncomeTaxesDueToStateNetOperatingLossAndCreditCarryForwards_lbl" xml:lang="en-US">Reduction in provision for income taxes due to state net operating loss and credit carry-forwards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ReductionInProvisionForIncomeTaxesDueToStateNetOperatingLossAndCreditCarryForwards_lbl" xml:lang="en-US">Reduction in provision for income taxes due to state net operating loss and credit carry-forwards.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ReductionInProvisionForIncomeTaxesDueToCapitalLossCarryBack" xlink:label="wm_ReductionInProvisionForIncomeTaxesDueToCapitalLossCarryBack" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ReductionInProvisionForIncomeTaxesDueToCapitalLossCarryBack" xlink:to="wm_ReductionInProvisionForIncomeTaxesDueToCapitalLossCarryBack_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ReductionInProvisionForIncomeTaxesDueToCapitalLossCarryBack_lbl" xml:lang="en-US">Reduction in Provision for Income Taxes Due to Capital Loss Carry Back</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ReductionInProvisionForIncomeTaxesDueToCapitalLossCarryBack_lbl" xml:lang="en-US">Reduction in provision for income taxes due to capital loss carry-back</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ReductionInProvisionForIncomeTaxesDueToCapitalLossCarryBack_lbl" xml:lang="en-US">Reduction in provision for income taxes due to capital loss carry-back.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsGrossAbstract" xlink:label="us-gaap_DeferredTaxAssetsGrossAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxAssetsGrossAbstract" xml:lang="en-US">Deferred Tax Assets, Gross [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredTaxAssetsGrossAbstract" xml:lang="en-US">Deferred tax assets:</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesAbstract" xlink:to="lab_DeferredTaxLiabilitiesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxLiabilitiesAbstract" xml:lang="en-US">Deferred Tax Liabilities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredTaxLiabilitiesAbstract" xml:lang="en-US">Deferred tax liabilities:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:label="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="lab_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xml:lang="en-US">Reconciliation of gross unrecognized tax benefits, including accrued interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xml:lang="en-US">Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FederalMember" xlink:label="wm_FederalMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FederalMember" xlink:to="wm_FederalMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FederalMember_lbl" xml:lang="en-US">Federal [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FederalMember_lbl" xml:lang="en-US">Federal [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FederalMember_lbl" xml:lang="en-US">Federal.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_UnremittedEarningsInForeignSubsidiaries" xlink:label="wm_UnremittedEarningsInForeignSubsidiaries" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_UnremittedEarningsInForeignSubsidiaries" xlink:to="wm_UnremittedEarningsInForeignSubsidiaries_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_UnremittedEarningsInForeignSubsidiaries_lbl" xml:lang="en-US">Unremitted Earnings in Foreign Subsidiaries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_UnremittedEarningsInForeignSubsidiaries_lbl" xml:lang="en-US">Unremitted earnings in foreign subsidiaries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_UnremittedEarningsInForeignSubsidiaries_lbl" xml:lang="en-US">Unremitted earnings in foreign subsidiaries.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CapitalLossCarryForwardExpirationDate" xlink:label="wm_CapitalLossCarryForwardExpirationDate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CapitalLossCarryForwardExpirationDate" xlink:to="wm_CapitalLossCarryForwardExpirationDate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CapitalLossCarryForwardExpirationDate_lbl" xml:lang="en-US">Capital Loss Carry forward Expiration Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CapitalLossCarryForwardExpirationDate_lbl" xml:lang="en-US">Capital loss carryforward, expiration date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CapitalLossCarryForwardExpirationDate_lbl" xml:lang="en-US">Capital loss carryforward, expiration date.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DeferredTaxAssetsRelatedToUnrecognizedTaxBenefitsThatMayBeReversedWithinNextTwelveMonths" xlink:label="wm_DeferredTaxAssetsRelatedToUnrecognizedTaxBenefitsThatMayBeReversedWithinNextTwelveMonths" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DeferredTaxAssetsRelatedToUnrecognizedTaxBenefitsThatMayBeReversedWithinNextTwelveMonths" xlink:to="wm_DeferredTaxAssetsRelatedToUnrecognizedTaxBenefitsThatMayBeReversedWithinNextTwelveMonths_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DeferredTaxAssetsRelatedToUnrecognizedTaxBenefitsThatMayBeReversedWithinNextTwelveMonths_lbl" xml:lang="en-US">Deferred Tax Assets Related to Unrecognized Tax Benefits that may be Reversed Within Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DeferredTaxAssetsRelatedToUnrecognizedTaxBenefitsThatMayBeReversedWithinNextTwelveMonths_lbl" xml:lang="en-US">Deferred tax assets related to unrecognized tax benefits that may be reversed within the next 12 months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DeferredTaxAssetsRelatedToUnrecognizedTaxBenefitsThatMayBeReversedWithinNextTwelveMonths_lbl" xml:lang="en-US">Deferred tax assets related to unrecognized tax benefits that may be reversed within the next 12 months.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable" xlink:label="us-gaap_OperatingLossCarryforwardsTable" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLossCarryforwardsTable_lbl" xml:lang="en-US">Operating Loss Carryforwards [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLossCarryforwardsByTaxAuthorityAxis" xlink:label="us-gaap_OperatingLossCarryforwardsByTaxAuthorityAxis" />
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="us-gaap_IncomeTaxAuthorityDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="us-gaap_IncomeTaxAuthorityDomain_lbl" />
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="us-gaap_StateAndLocalJurisdictionMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StateAndLocalJurisdictionMember" xlink:to="us-gaap_StateAndLocalJurisdictionMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xml:lang="en-US">State and Local Jurisdiction [Member]</label>
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems" xlink:label="us-gaap_OperatingLossCarryforwardsLineItems" />
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards" />
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TaxCreditCarryforwardAmount" xlink:label="us-gaap_TaxCreditCarryforwardAmount" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLossCarryforwardsExpirationDates_lbl" xml:lang="en-US">Operating loss carry-forwards, expiration date</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_lbl" xml:lang="en-US">Deferred Tax Assets Capital Loss Carryforwards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_lbl" xml:lang="en-US">Capital loss carry-forward</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:to="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_lbl" xml:lang="en-US">Unrecognized Tax Benefits that Would Impact Effective Tax Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_lbl" xml:lang="en-US">Net unrecognized tax benefits that would impact effective tax rate in future period</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense" xlink:label="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense" xlink:to="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense_lbl" xml:lang="en-US">Unrecognized Tax Benefits Interest on Income Taxes Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense_lbl" xml:lang="en-US">Interest expense related to unrecognized tax benefits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense_lbl" xml:lang="en-US">Decrease in valuation allowance due to changes in gross deferred tax assets due to changes in state NOL and credit carry forward</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued" xlink:label="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued" xlink:to="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued_lbl" xml:lang="en-US">Unrecognized Tax Benefits Interest on Income Taxes Accrued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued_lbl" xml:lang="en-US">Accrued interest in balance sheet</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit" xlink:label="us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit" xlink:to="us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_lbl" xml:lang="en-US">Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount of Unrecorded Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_lbl" xml:lang="en-US">Liabilities for unrecognized tax benefits including accrued interest that may be reversed within the next 12 months</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="us-gaap_ShareBasedCompensationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationAbstract" xlink:to="lab_ShareBasedCompensationAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationAbstract" xml:lang="en-US">Stock-Based Compensation [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:to="lab_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xml:lang="en-US">Disclosure of Compensation Related Costs Share Based Payments [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xml:lang="en-US">Stock-based compensation</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NewAccountingPronouncementPendingAdoptionAbstract" xlink:label="wm_NewAccountingPronouncementPendingAdoptionAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NewAccountingPronouncementPendingAdoptionAbstract" xlink:to="wm_NewAccountingPronouncementPendingAdoptionAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NewAccountingPronouncementPendingAdoptionAbstract_lbl" xml:lang="en-US">New Accounting Pronouncements [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NewAccountingPronouncementPendingAdoptionAbstract_lbl" xml:lang="en-US">New accounting standards pending adoption.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_StockRepurchaseProgramsTableTextBlock" xlink:label="wm_StockRepurchaseProgramsTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_StockRepurchaseProgramsTableTextBlock" xlink:to="wm_StockRepurchaseProgramsTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_StockRepurchaseProgramsTableTextBlock_lbl" xml:lang="en-US">Stock Repurchase Programs [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_StockRepurchaseProgramsTableTextBlock_lbl" xml:lang="en-US">Stock repurchase programs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_StockRepurchaseProgramsTableTextBlock_lbl" xml:lang="en-US">Stock repurchase programs.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_StockRepurchaseProgramsAbstract" xlink:label="wm_StockRepurchaseProgramsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_StockRepurchaseProgramsAbstract" xlink:to="wm_StockRepurchaseProgramsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_StockRepurchaseProgramsAbstract_lbl" xml:lang="en-US">Stock Repurchase Programs [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_StockRepurchaseProgramsAbstract_lbl" xml:lang="en-US">Stock repurchase programs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_StockRepurchaseProgramsAbstract_lbl" xml:lang="en-US">Stock repurchase programs</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="us-gaap_TreasuryStockSharesAcquired" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockSharesAcquired" xlink:to="lab_TreasuryStockSharesAcquired" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TreasuryStockSharesAcquired" xml:lang="en-US">Treasury Stock, Shares, Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_TreasuryStockSharesAcquired" xml:lang="en-US">Shares repurchased (in thousands)</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TreasuryStockAcquiredCostPerShareLowerRange" xlink:label="wm_TreasuryStockAcquiredCostPerShareLowerRange" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TreasuryStockAcquiredCostPerShareLowerRange" xlink:to="wm_TreasuryStockAcquiredCostPerShareLowerRange_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TreasuryStockAcquiredCostPerShareLowerRange_lbl" xml:lang="en-US">Treasury Stock Acquired Cost Per Share Lower Range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TreasuryStockAcquiredCostPerShareLowerRange_lbl" xml:lang="en-US">Per share purchase price lower range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TreasuryStockAcquiredCostPerShareLowerRange_lbl" xml:lang="en-US">Treasury stock acquired cost per share lower range.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TreasuryStockAcquiredCostPerShareUpperRange" xlink:label="wm_TreasuryStockAcquiredCostPerShareUpperRange" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TreasuryStockAcquiredCostPerShareUpperRange" xlink:to="wm_TreasuryStockAcquiredCostPerShareUpperRange_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TreasuryStockAcquiredCostPerShareUpperRange_lbl" xml:lang="en-US">Treasury Stock Acquired Cost Per Share Upper Range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TreasuryStockAcquiredCostPerShareUpperRange_lbl" xml:lang="en-US">Per share purchase price upper range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TreasuryStockAcquiredCostPerShareUpperRange_lbl" xml:lang="en-US">Treasury stock acquired cost per share upper range.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CapitalStockShareRepurchasesAndDividendsTextualAbstract" xlink:label="wm_CapitalStockShareRepurchasesAndDividendsTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CapitalStockShareRepurchasesAndDividendsTextualAbstract" xlink:to="wm_CapitalStockShareRepurchasesAndDividendsTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CapitalStockShareRepurchasesAndDividendsTextualAbstract_lbl" xml:lang="en-US">Capital Stock, Share Repurchases and Dividends (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CapitalStockShareRepurchasesAndDividendsTextualAbstract_lbl" xml:lang="en-US">Capital stock, share repurchases and dividends.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CapitalStockShareRepurchasesAndDividendsTextualAbstract_lbl" xml:lang="en-US">Capital Stock, Share Repurchases and Dividends (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesAuthorized" xlink:to="lab_PreferredStockSharesAuthorized" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PreferredStockSharesAuthorized" xml:lang="en-US">Preferred Stock, Shares Authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PreferredStockSharesAuthorized" xml:lang="en-US">Preferred stock shares authorized</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="lab_PreferredStockParOrStatedValuePerShare" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PreferredStockParOrStatedValuePerShare" xml:lang="en-US">Preferred Stock, Par or Stated Value Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PreferredStockParOrStatedValuePerShare" xml:lang="en-US">Preferred stock par value per share</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesOutstanding" xlink:to="lab_PreferredStockSharesOutstanding" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PreferredStockSharesOutstanding" xml:lang="en-US">Preferred Stock, Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PreferredStockSharesOutstanding" xml:lang="en-US">Preferred stock shares outstanding</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MaximumCapitalAllocatedForRepurchasesOfCommonStockUnderBoardApprovedPlan" xlink:label="wm_MaximumCapitalAllocatedForRepurchasesOfCommonStockUnderBoardApprovedPlan" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MaximumCapitalAllocatedForRepurchasesOfCommonStockUnderBoardApprovedPlan" xlink:to="wm_MaximumCapitalAllocatedForRepurchasesOfCommonStockUnderBoardApprovedPlan_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MaximumCapitalAllocatedForRepurchasesOfCommonStockUnderBoardApprovedPlan_lbl" xml:lang="en-US">Maximum Capital Allocated for Repurchases of Common Stock under Board Approved Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_MaximumCapitalAllocatedForRepurchasesOfCommonStockUnderBoardApprovedPlan_lbl" xml:lang="en-US">Maximum capital allocated for repurchases of common stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MaximumCapitalAllocatedForRepurchasesOfCommonStockUnderBoardApprovedPlan_lbl" xml:lang="en-US">Maximum capital allocated for repurchases of common stock under the board approved plan.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_QuarterlyCommonStockDividendPerShareDeclared" xlink:label="wm_QuarterlyCommonStockDividendPerShareDeclared" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_QuarterlyCommonStockDividendPerShareDeclared" xlink:to="wm_QuarterlyCommonStockDividendPerShareDeclared_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_QuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US">Quarterly Common Stock Dividend Per Share Declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_QuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US">Quarterly common stock dividend per share declared.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_QuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US">Quarterly common stock dividend per share declared</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ExpectedQuarterlyCommonStockDividendPerShareDeclared" xlink:label="wm_ExpectedQuarterlyCommonStockDividendPerShareDeclared" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ExpectedQuarterlyCommonStockDividendPerShareDeclared" xlink:to="wm_ExpectedQuarterlyCommonStockDividendPerShareDeclared_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ExpectedQuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US">Expected Quarterly Common Stock Dividend Per Share Declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ExpectedQuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US">Expected quarterly common stock dividend per share declared.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ExpectedQuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US">Expected quarterly common stock dividend per share declared</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_StockBasedCompensationTablesAbstract" xlink:label="wm_StockBasedCompensationTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_StockBasedCompensationTablesAbstract" xlink:to="wm_StockBasedCompensationTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_StockBasedCompensationTablesAbstract_lbl" xml:lang="en-US">Stock-Based Compensation (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_StockBasedCompensationTablesAbstract_lbl" xml:lang="en-US">Stock-based compensation.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_StockBasedCompensationDetailsAbstract" xlink:label="wm_StockBasedCompensationDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_StockBasedCompensationDetailsAbstract" xlink:to="wm_StockBasedCompensationDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_StockBasedCompensationDetailsAbstract_lbl" xml:lang="en-US">Stock-based Compensation (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_StockBasedCompensationDetailsAbstract_lbl" xml:lang="en-US">Stock-based compensation.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RestrictedStockUnitsMember" xlink:label="wm_RestrictedStockUnitsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RestrictedStockUnitsMember" xlink:to="wm_RestrictedStockUnitsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RestrictedStockUnitsMember_lbl" xml:lang="en-US">Restricted Stock Units [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RestrictedStockUnitsMember_lbl" xml:lang="en-US">Restricted stock units.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RestrictedStockUnitsMember_lbl" xml:lang="en-US">Restricted Stock Units [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PerformanceShareUnitsMember" xlink:label="wm_PerformanceShareUnitsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PerformanceShareUnitsMember" xlink:to="wm_PerformanceShareUnitsMember_lbl" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PerformanceShareUnitsMember_lbl" xml:lang="en-US">Performance share units.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xml:lang="en-US">Unvested, weighted average fair value, beginning of year</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xml:lang="en-US">Unvested, units, end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xml:lang="en-US">Unvested, units, beginning of year</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Granted, weighted average fair value</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xml:lang="en-US">Granted, units</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Vested, weighted average fair value</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xml:lang="en-US">Vested, units</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xml:lang="en-US">Forfeited, units</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockOptionsMember" xlink:label="us-gaap_StockOptionsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockOptionsMember" xlink:to="lab_StockOptionsMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockOptionsMember" xml:lang="en-US">Stock Options [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockOptionsMember" xml:lang="en-US">Stock Options [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriod" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriod" xlink:to="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriod_lbl" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options Expired without Vesting in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriod_lbl" xml:lang="en-US">Share-based compensation arrangement by share-based payment award equity instruments other than options expired without vesting in period.</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriod_lbl" xml:lang="en-US">Expired without vesting, units</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:to="lab_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share, by Antidilutive Securities [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesNameDomain" xlink:to="lab_AntidilutiveSecuritiesNameDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AntidilutiveSecuritiesNameDomain" xml:lang="en-US">Antidilutive Securities, Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="lab_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:to="lab_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xml:lang="en-US">Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type and Plan Name [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="lab_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Outstanding, weighted average exercise price, end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Outstanding, weighted average exercise price, beginning of year</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Outstanding shares, beginning of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Outstanding shares, end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xml:lang="en-US">Granted, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" />
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" xml:lang="en-US">Exercised, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xml:lang="en-US">Forfeited or expired, weighted average exercise price</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" />
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xml:lang="en-US">Forfeited or expired, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Total</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xml:lang="en-US">Weighted average exercise price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xml:lang="en-US">Exercisable, weighted average exercise price, end of year</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xml:lang="en-US">Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xml:lang="en-US">Exercisable shares, end of year</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RangeOneOfExercisePricesMember" xlink:label="wm_RangeOneOfExercisePricesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RangeOneOfExercisePricesMember" xlink:to="wm_RangeOneOfExercisePricesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RangeOneOfExercisePricesMember_lbl" xml:lang="en-US">Range One of Exercise Prices [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RangeOneOfExercisePricesMember_lbl" xml:lang="en-US">Range one of exercise prices.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RangeOneOfExercisePricesMember_lbl" xml:lang="en-US">$19.61-$20.00 [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RangeTwoOfExercisePricesMember" xlink:label="wm_RangeTwoOfExercisePricesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RangeTwoOfExercisePricesMember" xlink:to="wm_RangeTwoOfExercisePricesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RangeTwoOfExercisePricesMember_lbl" xml:lang="en-US">Range Two of Exercise Prices [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RangeTwoOfExercisePricesMember_lbl" xml:lang="en-US">Range two of exercise prices.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RangeTwoOfExercisePricesMember_lbl" xml:lang="en-US">$20.01-$30.00 [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RangeFourOfExercisePricesMember" xlink:label="wm_RangeFourOfExercisePricesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RangeFourOfExercisePricesMember" xlink:to="wm_RangeFourOfExercisePricesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RangeFourOfExercisePricesMember_lbl" xml:lang="en-US">Range Four of Exercise Prices [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RangeFourOfExercisePricesMember_lbl" xml:lang="en-US">Range four of exercise prices.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RangeFourOfExercisePricesMember_lbl" xml:lang="en-US">$19.61-$39.93 [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RangeThreeOfExercisePricesMember" xlink:label="wm_RangeThreeOfExercisePricesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RangeThreeOfExercisePricesMember" xlink:to="wm_RangeThreeOfExercisePricesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RangeThreeOfExercisePricesMember_lbl" xml:lang="en-US">Range Three of Exercise Prices [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RangeThreeOfExercisePricesMember_lbl" xml:lang="en-US">Range three of exercise prices.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RangeThreeOfExercisePricesMember_lbl" xml:lang="en-US">$30.01-$39.93 [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xml:lang="en-US">Assumptions used to value employee stock options granted</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm" xml:lang="en-US">Expected option life</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xml:lang="en-US">Expected volatility</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xml:lang="en-US">Expected dividend yield</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xml:lang="en-US">Risk-free interest rate</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_StockBasedCompensationTextualAbstract" xlink:label="wm_StockBasedCompensationTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_StockBasedCompensationTextualAbstract" xlink:to="wm_StockBasedCompensationTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_StockBasedCompensationTextualAbstract_lbl" xml:lang="en-US">Stock-based Compensation (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_StockBasedCompensationTextualAbstract_lbl" xml:lang="en-US">Stock-based Compensation (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_StockBasedCompensationTextualAbstract_lbl" xml:lang="en-US">Stock-based compensation.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EmployeeStockIncentivePlansMember" xlink:label="wm_EmployeeStockIncentivePlansMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EmployeeStockIncentivePlansMember" xlink:to="wm_EmployeeStockIncentivePlansMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EmployeeStockIncentivePlansMember_lbl" xml:lang="en-US">Employee Stock Incentive Plans [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EmployeeStockIncentivePlansMember_lbl" xml:lang="en-US">Employee stock incentive plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EmployeeStockIncentivePlansMember_lbl" xml:lang="en-US">Employee Stock Incentive Plans [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EmployeeStockPurchasePlanMember" xlink:label="wm_EmployeeStockPurchasePlanMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EmployeeStockPurchasePlanMember" xlink:to="wm_EmployeeStockPurchasePlanMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EmployeeStockPurchasePlanMember_lbl" xml:lang="en-US">Employee Stock Purchase Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EmployeeStockPurchasePlanMember_lbl" xml:lang="en-US">Employee stock purchase plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EmployeeStockPurchasePlanMember_lbl" xml:lang="en-US">Employee Stock Purchase Plan [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NumberOfOfferingPeriods" xlink:label="wm_NumberOfOfferingPeriods" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfOfferingPeriods" xlink:to="wm_NumberOfOfferingPeriods_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfOfferingPeriods_lbl" xml:lang="en-US">Number of Offering Periods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfOfferingPeriods_lbl" xml:lang="en-US">Number of offering periods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfOfferingPeriods_lbl" xml:lang="en-US">Number of offering periods.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod" xml:lang="en-US">The number of shares newly issued during the reporting period under the plan</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_StockIncentivePlanTwoThousandFourMember" xlink:label="wm_StockIncentivePlanTwoThousandFourMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_StockIncentivePlanTwoThousandFourMember" xlink:to="wm_StockIncentivePlanTwoThousandFourMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_StockIncentivePlanTwoThousandFourMember_lbl" xml:lang="en-US">Stock Incentive Plan Two Thousand Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_StockIncentivePlanTwoThousandFourMember_lbl" xml:lang="en-US">Stock incentive plan two thousand four.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_StockIncentivePlanTwoThousandFourMember_lbl" xml:lang="en-US">Stock Incentive Plan 2004 [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_StockIncentivePlanTwoThousandNineMember" xlink:label="wm_StockIncentivePlanTwoThousandNineMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_StockIncentivePlanTwoThousandNineMember" xlink:to="wm_StockIncentivePlanTwoThousandNineMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_StockIncentivePlanTwoThousandNineMember_lbl" xml:lang="en-US">Stock Incentive Plan Two Thousand Nine [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_StockIncentivePlanTwoThousandNineMember_lbl" xml:lang="en-US">Stock incentive plan two thousand nine.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_StockIncentivePlanTwoThousandNineMember_lbl" xml:lang="en-US">Stock Incentive Plan 2009 [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xml:lang="en-US">Shares available under employee stock plans</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xml:lang="en-US">Maximum number of shares authorized for issuance under stock incentive plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xml:lang="en-US">Total fair market value of vested awards</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ShareBasedCompensationArrangementVestedSharesIssuedPercentageOfEstablishedTarget" xlink:to="wm_ShareBasedCompensationArrangementVestedSharesIssuedPercentageOfEstablishedTarget_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ShareBasedCompensationArrangementVestedSharesIssuedPercentageOfEstablishedTarget_lbl" xml:lang="en-US">Share-based Compensation Arrangement Vested Shares Issued Percentage of Established Target</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ShareBasedCompensationArrangementVestedSharesIssuedPercentageOfEstablishedTarget_lbl" xml:lang="en-US">Share-based compensation arrangement vested shares issued percentage of established target.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ShareBasedCompensationArrangementVestedSharesIssuedPercentageOfEstablishedTarget_lbl" xml:lang="en-US">Vested shares issued, percentage of the established target</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xml:lang="en-US">Aggregate intrinsic value of stock options exercised</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm" xml:lang="en-US">Weighted average remaining contractual term of stock options outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term, End of Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term, Beginning of Period</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xml:lang="en-US">Aggregate intrinsic value of stock options outstanding based on the market value of company's common stock</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableIntrinsicValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableIntrinsicValue" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableIntrinsicValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableIntrinsicValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableIntrinsicValue" xml:lang="en-US">Aggregate intrinsic value of stock options exercisable</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions" xlink:to="lab_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions" xml:lang="en-US">Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions" xml:lang="en-US">Tax benefits realized from stock option exercises</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="lab_AllocatedShareBasedCompensationExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AllocatedShareBasedCompensationExpense" xml:lang="en-US">Allocated Share-based Compensation Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_AllocatedShareBasedCompensationExpense" xml:lang="en-US">Allocated Share-based Compensation Expense, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AllocatedShareBasedCompensationExpense" xml:lang="en-US">Increase in annual compensation expense due to employee stock plan</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:to="lab_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xml:lang="en-US">Deferred income tax benefits includes in provision for income taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xml:lang="en-US">Employee Service Share-based Compensation, Tax Benefit from Compensation Expense</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards" xlink:to="lab_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards" xml:lang="en-US">Employee Service Share-based Compensation, Unrecognized Compensation Costs on Nonvested Awards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards" xml:lang="en-US">Currently unrecognized compensation expense that will be recognized in future periods for unvested RSU, PSU and stock option awards issued and outstanding</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition" xlink:to="lab_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition" xml:lang="en-US">Weighted average period of under which unrecognized compensation expense associated with all unvested awards currently outstanding is expected to be recognized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition" xml:lang="en-US">Employee Service Share-based Compensation, Unrecognized Compensation Costs on Nonvested Awards, Weighted Average Period of Recognition</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:to="lab_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xml:lang="en-US">Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:to="lab_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="lab_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="lab_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueMeasurementAdditionalTextualAbstract" xlink:label="wm_FairValueMeasurementAdditionalTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueMeasurementAdditionalTextualAbstract" xlink:to="wm_FairValueMeasurementAdditionalTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueMeasurementAdditionalTextualAbstract_lbl" xml:lang="en-US">Fair Value Measurement (Additional) (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueMeasurementAdditionalTextualAbstract_lbl" xml:lang="en-US">Fair Value Measurements (Additional) (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueMeasurementAdditionalTextualAbstract_lbl" xml:lang="en-US">Fair value measurement additional.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl" xml:lang="en-US">Components of net deferred tax assets (liabilities)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl" xml:lang="en-US">Components of Deferred Tax Assets and Liabilities [Abstract]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ExpectedTimeOfCompletionOfIrsAudits" xlink:label="wm_ExpectedTimeOfCompletionOfIrsAudits" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ExpectedTimeOfCompletionOfIrsAudits_lbl" xml:lang="en-US">Expected Time of Completion of IRS Audits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ExpectedTimeOfCompletionOfIrsAudits_lbl" xml:lang="en-US">Number of months expected for IRS audit(s) to be completed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ExpectedTimeOfCompletionOfIrsAudits_lbl" xml:lang="en-US">Expected time of completion of IRS audits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ExpectedTimeOfCompletionOfIrsAudits_lbl" xml:lang="en-US">Expected time of completion of IRS audits.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TaxBenefitDueToReductionInProvincialTaxRates" xlink:label="wm_TaxBenefitDueToReductionInProvincialTaxRates" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TaxBenefitDueToReductionInProvincialTaxRates_lbl" xml:lang="en-US">Tax benefit due to reduction in provincial tax rates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TaxBenefitDueToReductionInProvincialTaxRates_lbl" xml:lang="en-US">Tax benefit due to reduction in provincial tax rates in Ontario</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_GoodwillImpairmentTestingPolicyTextBlock" xlink:label="wm_GoodwillImpairmentTestingPolicyTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_GoodwillImpairmentTestingPolicyTextBlock_lbl" xml:lang="en-US">Goodwill Impairment Testing [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_GoodwillImpairmentTestingPolicyTextBlock_lbl" xml:lang="en-US">Goodwill impairment testing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_GoodwillImpairmentTestingPolicyTextBlock_lbl" xml:lang="en-US">Goodwill impairment testing Policy.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CommonShareDataUsedForComputingBasicAndDilutedEarningsPerShareTableTextBlock" xlink:label="wm_CommonShareDataUsedForComputingBasicAndDilutedEarningsPerShareTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CommonShareDataUsedForComputingBasicAndDilutedEarningsPerShareTableTextBlock" xlink:to="wm_CommonShareDataUsedForComputingBasicAndDilutedEarningsPerShareTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CommonShareDataUsedForComputingBasicAndDilutedEarningsPerShareTableTextBlock_lbl" xml:lang="en-US">Common Share Data Used for Computing Basic and Diluted Earnings Per Share [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CommonShareDataUsedForComputingBasicAndDilutedEarningsPerShareTableTextBlock_lbl" xml:lang="en-US">Common share data used for computing the basic and diluted earnings per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CommonShareDataUsedForComputingBasicAndDilutedEarningsPerShareTableTextBlock_lbl" xml:lang="en-US">Common share data used for computing the basic and diluted earnings per share.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityTableTextBlock" xlink:label="wm_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityTableTextBlock" xlink:to="wm_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityTableTextBlock_lbl" xml:lang="en-US">Summary of Requirements of Financial Covenants Contained in Revolving Credit Facility [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityTableTextBlock_lbl" xml:lang="en-US">Summary of requirements of financial covenants contained in revolving credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityTableTextBlock_lbl" xml:lang="en-US">Summary of requirements of financial covenants contained in revolving credit facility.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CovenantAbstract" xlink:label="wm_CovenantAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CovenantAbstract" xlink:to="wm_CovenantAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CovenantAbstract_lbl" xml:lang="en-US">Covenant [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CovenantAbstract_lbl" xml:lang="en-US">Covenant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CovenantAbstract_lbl" xml:lang="en-US">Covenant [Abstract]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_InterestCoverageRatio" xlink:label="wm_InterestCoverageRatio" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_InterestCoverageRatio" xlink:to="wm_InterestCoverageRatio_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InterestCoverageRatio_lbl" xml:lang="en-US">Interest Coverage Ratio</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InterestCoverageRatio_lbl" xml:lang="en-US">Interest coverage ratio.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_InterestCoverageRatio_lbl" xml:lang="en-US">Interest coverage ratio</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_VariableRateTaxExemptBonds" xlink:label="wm_VariableRateTaxExemptBonds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VariableRateTaxExemptBonds" xlink:to="wm_VariableRateTaxExemptBonds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VariableRateTaxExemptBonds_lbl" xml:lang="en-US">Variable Rate Tax-exempt Bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_VariableRateTaxExemptBonds_lbl" xml:lang="en-US">Variable rate tax-exempt bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VariableRateTaxExemptBonds_lbl" xml:lang="en-US">Variable rate tax-exempt bonds.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_VariableRateTaxExemptProjectBonds" xlink:label="wm_VariableRateTaxExemptProjectBonds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VariableRateTaxExemptProjectBonds" xlink:to="wm_VariableRateTaxExemptProjectBonds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VariableRateTaxExemptProjectBonds_lbl" xml:lang="en-US">Variable Rate Tax-exempt Project Bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_VariableRateTaxExemptProjectBonds_lbl" xml:lang="en-US">Variable rate tax-exempt project bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VariableRateTaxExemptProjectBonds_lbl" xml:lang="en-US">Variable rate tax-exempt project bonds.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LettersOfCreditOutstandingRevolvingCreditFacility" xlink:label="wm_LettersOfCreditOutstandingRevolvingCreditFacility" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LettersOfCreditOutstandingRevolvingCreditFacility" xlink:to="wm_LettersOfCreditOutstandingRevolvingCreditFacility_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LettersOfCreditOutstandingRevolvingCreditFacility_lbl" xml:lang="en-US">Letters of Credit Outstanding Revolving Credit Facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LettersOfCreditOutstandingRevolvingCreditFacility_lbl" xml:lang="en-US">Letters of credit outstanding revolving credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LettersOfCreditOutstandingRevolvingCreditFacility_lbl" xml:lang="en-US">Letters of credit outstanding revolving credit facility.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LetterOfCreditFacilitiesCapacity" xlink:label="wm_LetterOfCreditFacilitiesCapacity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LetterOfCreditFacilitiesCapacity" xlink:to="wm_LetterOfCreditFacilitiesCapacity_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LetterOfCreditFacilitiesCapacity_lbl" xml:lang="en-US">Letter of Credit Facilities Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LetterOfCreditFacilitiesCapacity_lbl" xml:lang="en-US">Letter of credit facilities total capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LetterOfCreditFacilitiesCapacity_lbl" xml:lang="en-US">Letter of credit facilities total capacity.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US">Line of Credit Facility Maximum Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US">Canadian credit facility credit capacity</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DebtMaturingWithinTwelveMonths" xlink:label="wm_DebtMaturingWithinTwelveMonths" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtMaturingWithinTwelveMonths" xlink:to="wm_DebtMaturingWithinTwelveMonths_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtMaturingWithinTwelveMonths_lbl" xml:lang="en-US">Debt Maturing within Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DebtMaturingWithinTwelveMonths_lbl" xml:lang="en-US">Debt maturing within twelve months, total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtMaturingWithinTwelveMonths_lbl" xml:lang="en-US">Amount of long-term debt maturing within the next twelve months following the date of the latest balance sheet presented in the financial statements</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RepaymentsOfOtherDebt" xlink:label="us-gaap_RepaymentsOfOtherDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfOtherDebt" xlink:to="lab_RepaymentsOfOtherDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RepaymentsOfOtherDebt" xml:lang="en-US">Repayments of Other Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RepaymentsOfOtherDebt" xml:lang="en-US">Repayment of borrowings, capital leases and other debt</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xml:lang="en-US">Debt and capital lease payment in 2012</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xml:lang="en-US">Debt and capital lease payment in 2013</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Three</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xml:lang="en-US">Debt and capital lease payment in 2014</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Four</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xml:lang="en-US">Debt and capital lease payment in 2015</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xml:lang="en-US">Debt and capital lease payment in 2016</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SecuredDebt" xlink:label="us-gaap_SecuredDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecuredDebt" xlink:to="lab_SecuredDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SecuredDebt" xml:lang="en-US">Secured Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_SecuredDebt" xml:lang="en-US">Secured Debt, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SecuredDebt" xml:lang="en-US">Repayment of secured portion of tax-exempt project bonds</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InsuranceClaimsMember" xlink:label="us-gaap_InsuranceClaimsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InsuranceClaimsMember" xlink:to="lab_InsuranceClaimsMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InsuranceClaimsMember" xml:lang="en-US">Insurance Claims [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InsuranceClaimsMember" xml:lang="en-US">Gross Insurance Claims Liability [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ReceivablesAssociatedWithInsuredClaimsMember" xlink:label="wm_ReceivablesAssociatedWithInsuredClaimsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ReceivablesAssociatedWithInsuredClaimsMember" xlink:to="wm_ReceivablesAssociatedWithInsuredClaimsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ReceivablesAssociatedWithInsuredClaimsMember_lbl" xml:lang="en-US">Receivables Associated with Insured Claims [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ReceivablesAssociatedWithInsuredClaimsMember_lbl" xml:lang="en-US">Receivables Associated with Insured Claims [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ReceivablesAssociatedWithInsuredClaimsMember_lbl" xml:lang="en-US">Receivables associated with insured claims.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ChangesToNetInsuranceLiabilitiesAbstract" xlink:label="wm_ChangesToNetInsuranceLiabilitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ChangesToNetInsuranceLiabilitiesAbstract" xlink:to="wm_ChangesToNetInsuranceLiabilitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ChangesToNetInsuranceLiabilitiesAbstract_lbl" xml:lang="en-US">Changes to Net Insurance Liabilities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ChangesToNetInsuranceLiabilitiesAbstract_lbl" xml:lang="en-US">Changes to net insurance liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ChangesToNetInsuranceLiabilitiesAbstract_lbl" xml:lang="en-US">Changes to net insurance liabilities.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NetInsuranceClaimsLiability" xlink:label="wm_NetInsuranceClaimsLiability" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NetInsuranceClaimsLiability" xlink:to="wm_NetInsuranceClaimsLiability_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NetInsuranceClaimsLiability_lbl" xml:lang="en-US">Net Insurance Claims Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="wm_NetInsuranceClaimsLiability_lbl" xml:lang="en-US">Net insurance claims liability, ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="wm_NetInsuranceClaimsLiability_lbl" xml:lang="en-US">Net insurance claims liability, beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NetInsuranceClaimsLiability_lbl" xml:lang="en-US">Net insurance claims liability.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SelfInsuranceExpenseBenefit" xlink:label="wm_SelfInsuranceExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SelfInsuranceExpenseBenefit" xlink:to="wm_SelfInsuranceExpenseBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SelfInsuranceExpenseBenefit_lbl" xml:lang="en-US">Self Insurance Expense Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SelfInsuranceExpenseBenefit_lbl" xml:lang="en-US">Self-insurance expense (benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SelfInsuranceExpenseBenefit_lbl" xml:lang="en-US">Self-insurance expense (benefit).</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CashPaidReceived" xlink:label="wm_CashPaidReceived" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CashPaidReceived" xlink:to="wm_CashPaidReceived_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CashPaidReceived_lbl" xml:lang="en-US">Cash Paid Received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CashPaidReceived_lbl" xml:lang="en-US">Cash (paid) received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CashPaidReceived_lbl" xml:lang="en-US">Cash (paid) received.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NetInsuranceClaimsLiabilityCurrent" xlink:label="wm_NetInsuranceClaimsLiabilityCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NetInsuranceClaimsLiabilityCurrent" xlink:to="wm_NetInsuranceClaimsLiabilityCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NetInsuranceClaimsLiabilityCurrent_lbl" xml:lang="en-US">Net Insurance Claims Liability Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NetInsuranceClaimsLiabilityCurrent_lbl" xml:lang="en-US">Net insurance claims liability, current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NetInsuranceClaimsLiabilityCurrent_lbl" xml:lang="en-US">Net insurance claims liability, current.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NetInsuranceClaimsLiabilityLongTerm" xlink:label="wm_NetInsuranceClaimsLiabilityLongTerm" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NetInsuranceClaimsLiabilityLongTerm" xlink:to="wm_NetInsuranceClaimsLiabilityLongTerm_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NetInsuranceClaimsLiabilityLongTerm_lbl" xml:lang="en-US">Net Insurance Claims Liability Long Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NetInsuranceClaimsLiabilityLongTerm_lbl" xml:lang="en-US">Net insurance claims liability, long term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NetInsuranceClaimsLiabilityLongTerm_lbl" xml:lang="en-US">Net insurance claims liability, long term.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:to="lab_LossContingenciesByNatureOfContingencyAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LossContingenciesByNatureOfContingencyAxis" xml:lang="en-US">Loss Contingencies by Nature of Contingency [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="us-gaap_LossContingencyNatureDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyNatureDomain" xlink:to="lab_LossContingencyNatureDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LossContingencyNatureDomain" xml:lang="en-US">Loss Contingency, Nature [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate" xlink:label="us-gaap_LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate" />
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="us-gaap_LeaseAndRentalExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseAndRentalExpense" xlink:to="lab_LeaseAndRentalExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LeaseAndRentalExpense" xml:lang="en-US">Operating Leases, Rent Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_LeaseAndRentalExpense" xml:lang="en-US">Operating Leases, Rent Expense, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LeaseAndRentalExpense" xml:lang="en-US">Rental expense</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsDueCurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueCurrent" xml:lang="en-US">Operating Leases, Future Minimum Payments Due, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueCurrent" xml:lang="en-US">Minimum contractual payments for operating leases in 2012</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Two Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xml:lang="en-US">Minimum contractual payments for operating leases in 2013</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Three Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xml:lang="en-US">Minimum contractual payments for operating leases in 2014</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsDueInFourYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Four Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xml:lang="en-US">Minimum contractual payments for operating leases in 2015</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Five Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xml:lang="en-US">Minimum contractual payments for operating leases in 2016</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EstimatedMinimumPurchaseObligationsCurrent" xlink:label="wm_EstimatedMinimumPurchaseObligationsCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EstimatedMinimumPurchaseObligationsCurrent" xlink:to="wm_EstimatedMinimumPurchaseObligationsCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EstimatedMinimumPurchaseObligationsCurrent_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EstimatedMinimumPurchaseObligationsCurrent_lbl" xml:lang="en-US">Estimated minimum purchase obligations in 2012</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EstimatedMinimumPurchaseObligationsCurrent_lbl" xml:lang="en-US">Estimated minimum purchase obligations current.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EstimatedMinimumPurchaseObligationsDueInTwoYears" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInTwoYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EstimatedMinimumPurchaseObligationsDueInTwoYears" xlink:to="wm_EstimatedMinimumPurchaseObligationsDueInTwoYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInTwoYears_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Due in Two Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInTwoYears_lbl" xml:lang="en-US">Estimated minimum purchase obligations in 2013</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInTwoYears_lbl" xml:lang="en-US">Estimated minimum purchase obligations due in two years.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EstimatedMinimumPurchaseObligationsDueInThreeYears" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInThreeYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EstimatedMinimumPurchaseObligationsDueInThreeYears" xlink:to="wm_EstimatedMinimumPurchaseObligationsDueInThreeYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInThreeYears_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Due in Three Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInThreeYears_lbl" xml:lang="en-US">Estimated minimum purchase obligations in 2014</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInThreeYears_lbl" xml:lang="en-US">Estimated minimum purchase obligations due in three years.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EstimatedMinimumPurchaseObligationsDueInFourYears" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInFourYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EstimatedMinimumPurchaseObligationsDueInFourYears" xlink:to="wm_EstimatedMinimumPurchaseObligationsDueInFourYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInFourYears_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Due in Four Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInFourYears_lbl" xml:lang="en-US">Estimated minimum purchase obligations in 2015</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInFourYears_lbl" xml:lang="en-US">Estimated minimum purchase obligations due in four years.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EstimatedMinimumPurchaseObligationsDueInFiveYears" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInFiveYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EstimatedMinimumPurchaseObligationsDueInFiveYears" xlink:to="wm_EstimatedMinimumPurchaseObligationsDueInFiveYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInFiveYears_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Due in Five Years.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInFiveYears_lbl" xml:lang="en-US">Estimated minimum purchase obligations in 2016</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EstimatedMinimumPurchaseObligationsDueInFiveYears_lbl" xml:lang="en-US">Estimated minimum purchase obligations due in five years.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTablesAbstract" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTablesAbstract" xlink:to="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTablesAbstract_lbl" xml:lang="en-US">Income Expense from Divestitures Asset Impairments and Unusual Items (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTablesAbstract_lbl" xml:lang="en-US">Income expense from divestitures asset impairments and unusual items.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncomeExpenseFromDivestituresIncludingHeldForSaleImpairments" xlink:label="wm_IncomeExpenseFromDivestituresIncludingHeldForSaleImpairments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncomeExpenseFromDivestituresIncludingHeldForSaleImpairments" xlink:to="wm_IncomeExpenseFromDivestituresIncludingHeldForSaleImpairments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncomeExpenseFromDivestituresIncludingHeldForSaleImpairments_lbl" xml:lang="en-US">Income Expense from Divestitures Including Held-for-Sale Impairments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncomeExpenseFromDivestituresIncludingHeldForSaleImpairments_lbl" xml:lang="en-US">(Income) expense from divestitures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeExpenseFromDivestituresIncludingHeldForSaleImpairments_lbl" xml:lang="en-US">(Income) expense from divestitures including held-for-sale impairments.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AssetImpairmentsExcludingHeldForSaleImpairments" xlink:label="wm_AssetImpairmentsExcludingHeldForSaleImpairments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AssetImpairmentsExcludingHeldForSaleImpairments" xlink:to="wm_AssetImpairmentsExcludingHeldForSaleImpairments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AssetImpairmentsExcludingHeldForSaleImpairments_lbl" xml:lang="en-US">Asset Impairments Excluding Held-for-Sale Impairments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AssetImpairmentsExcludingHeldForSaleImpairments_lbl" xml:lang="en-US">Asset impairments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AssetImpairmentsExcludingHeldForSaleImpairments_lbl" xml:lang="en-US">Asset impairments excluding held-for-sale impairments.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncomeExpenseFromDivestituresOther" xlink:label="wm_IncomeExpenseFromDivestituresOther" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncomeExpenseFromDivestituresOther" xlink:to="wm_IncomeExpenseFromDivestituresOther_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncomeExpenseFromDivestituresOther_lbl" xml:lang="en-US">Income Expense from Divestitures Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeExpenseFromDivestituresOther_lbl" xml:lang="en-US">Income expense from divestitures other.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncomeExpenseFromDivestituresOther_lbl" xml:lang="en-US">Other</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextualAbstract" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextualAbstract" xlink:to="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextualAbstract_lbl" xml:lang="en-US">Income Expense from Divestitures Asset Impairments and Unusual Items (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextualAbstract_lbl" xml:lang="en-US">Income Expense from Divestitures, Asset Impairments and Unusual Items (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextualAbstract_lbl" xml:lang="en-US">(Income) expense from divestitures, asset impairments and unusual items.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsAbstract" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsAbstract" xlink:to="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsAbstract_lbl" xml:lang="en-US">Income Expense from Divestitures Asset Impairments and Unusual Items [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsAbstract_lbl" xml:lang="en-US">Income expense from divestitures asset impairments and unusual items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsAbstract_lbl" xml:lang="en-US">Income expense from divestitures asset impairments and unusual items.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_StatementBusinessSegmentsTable" xlink:label="wm_StatementBusinessSegmentsTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_StatementBusinessSegmentsTable" xlink:to="wm_StatementBusinessSegmentsTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_StatementBusinessSegmentsTable_lbl" xml:lang="en-US">Statement Business Segments [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_StatementBusinessSegmentsTable_lbl" xml:lang="en-US">Statement business segments.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_WesternGroupMember" xlink:label="wm_WesternGroupMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WesternGroupMember" xlink:to="wm_WesternGroupMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WesternGroupMember_lbl" xml:lang="en-US">Western Group [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WesternGroupMember_lbl" xml:lang="en-US">Western Group.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_WesternGroupMember_lbl" xml:lang="en-US">Western Group [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_StatementBusinessSegmentsLineItems" xlink:label="wm_StatementBusinessSegmentsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_StatementBusinessSegmentsLineItems" xlink:to="wm_StatementBusinessSegmentsLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_StatementBusinessSegmentsLineItems_lbl" xml:lang="en-US">Statement Business Segments [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_StatementBusinessSegmentsLineItems_lbl" xml:lang="en-US">Statement business segments.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CapitalizedComputerSoftware" xlink:label="wm_CapitalizedComputerSoftware" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CapitalizedComputerSoftware" xlink:to="wm_CapitalizedComputerSoftware_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CapitalizedComputerSoftware_lbl" xml:lang="en-US">Capitalized Computer Software</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CapitalizedComputerSoftware_lbl" xml:lang="en-US">Capitalized computer software</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CapitalizedComputerSoftware_lbl" xml:lang="en-US">Capitalized computer software.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware" xlink:label="wm_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware" xlink:to="wm_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware_lbl" xml:lang="en-US">Non Cash Charge Recognized Due to Abandonment of Revenue Management Software</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware_lbl" xml:lang="en-US">Non-cash charge recognized due to abandonment of revenue management software.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware_lbl" xml:lang="en-US">Non-cash charge recognized due to abandonment of revenue management software</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetImpairmentCharges" xlink:to="lab_AssetImpairmentCharges" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetImpairmentCharges" xml:lang="en-US">Asset Impairment Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetImpairmentCharges" xml:lang="en-US">Asset impairment charges</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AcquisitionsAndDivestituresTablesAbstract" xlink:label="wm_AcquisitionsAndDivestituresTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AcquisitionsAndDivestituresTablesAbstract" xlink:to="wm_AcquisitionsAndDivestituresTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AcquisitionsAndDivestituresTablesAbstract_lbl" xml:lang="en-US">Acquisitions and Divestitures (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AcquisitionsAndDivestituresTablesAbstract_lbl" xml:lang="en-US">Acquisitions And Divestitures.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PreliminaryAllocationPurchasePriceIntangibleAssetsTextBlock" xlink:label="wm_PreliminaryAllocationPurchasePriceIntangibleAssetsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PreliminaryAllocationPurchasePriceIntangibleAssetsTextBlock" xlink:to="wm_PreliminaryAllocationPurchasePriceIntangibleAssetsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PreliminaryAllocationPurchasePriceIntangibleAssetsTextBlock_lbl" xml:lang="en-US">Preliminary Allocation Purchase Price Intangible Assets [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PreliminaryAllocationPurchasePriceIntangibleAssetsTextBlock_lbl" xml:lang="en-US">Preliminary allocation purchase price intangible assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PreliminaryAllocationPurchasePriceIntangibleAssetsTextBlock_lbl" xml:lang="en-US">Preliminary allocation purchase price intangible assets.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AcquisitionsAndDivestituresAbstract" xlink:label="wm_AcquisitionsAndDivestituresAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AcquisitionsAndDivestituresAbstract" xlink:to="wm_AcquisitionsAndDivestituresAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AcquisitionsAndDivestituresAbstract_lbl" xml:lang="en-US">Acquisitions and Divestitures [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AcquisitionsAndDivestituresAbstract_lbl" xml:lang="en-US">Acquisitions and divestitures.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets" xlink:label="wm_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets" xlink:to="wm_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets_lbl" xml:lang="en-US">Business Acquisition Purchase Price Allocation Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets_lbl" xml:lang="en-US">Allocation of purchase price to other intangible assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets_lbl" xml:lang="en-US">Business acquisition purchase price allocation intangible assets.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EquityInterestInEntityAfterPurchaseOfRemainingEquityInterestInInvestmentPercentage" xlink:label="wm_EquityInterestInEntityAfterPurchaseOfRemainingEquityInterestInInvestmentPercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EquityInterestInEntityAfterPurchaseOfRemainingEquityInterestInInvestmentPercentage" xlink:to="wm_EquityInterestInEntityAfterPurchaseOfRemainingEquityInterestInInvestmentPercentage_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EquityInterestInEntityAfterPurchaseOfRemainingEquityInterestInInvestmentPercentage_lbl" xml:lang="en-US">Equity Interest in Entity After Purchase of Remaining Equity Interest in Investment Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EquityInterestInEntityAfterPurchaseOfRemainingEquityInterestInInvestmentPercentage_lbl" xml:lang="en-US">Equity interest in the entity after purchase of the remaining equity interest in portable self-storage investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EquityInterestInEntityAfterPurchaseOfRemainingEquityInterestInInvestmentPercentage_lbl" xml:lang="en-US">Equity interest in the entity after purchase of the remaining equity interest in the investment.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ImpactOnIncomeFromOperationsOfGainsAndLossesOnDivestures" xlink:label="wm_ImpactOnIncomeFromOperationsOfGainsAndLossesOnDivestures" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ImpactOnIncomeFromOperationsOfGainsAndLossesOnDivestures" xlink:to="wm_ImpactOnIncomeFromOperationsOfGainsAndLossesOnDivestures_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ImpactOnIncomeFromOperationsOfGainsAndLossesOnDivestures_lbl" xml:lang="en-US">Impact on Income from Operations of Gains and Losses on Divestures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ImpactOnIncomeFromOperationsOfGainsAndLossesOnDivestures_lbl" xml:lang="en-US">Recognized net gain (loss) on divestures of operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ImpactOnIncomeFromOperationsOfGainsAndLossesOnDivestures_lbl" xml:lang="en-US">Impact on income from operations of gains and losses on divestures.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationConsiderationTransferred" xlink:to="lab_BusinessCombinationConsiderationTransferred" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationConsiderationTransferred" xml:lang="en-US">Business Combination, Consideration Transferred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_BusinessCombinationConsiderationTransferred" xml:lang="en-US">Business Combination, Consideration Transferred, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationConsiderationTransferred" xml:lang="en-US">Total consideration, net of cash acquired, for business acquisitions closed during the year</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:to="lab_BusinessAcquisitionCostOfAcquiredEntityCashPaid" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xml:lang="en-US">Business Acquisition, Cost of Acquired Entity, Cash Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xml:lang="en-US">Business acquisitions closed during the year, cash payments</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" xlink:to="lab_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" xml:lang="en-US">Business Acquisition, Cost of Acquired Entity, Other Noncash Consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" xml:lang="en-US">Business acquisitions closed during the year, contributed assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionContingentConsiderationPotentialCashPayment" xlink:label="us-gaap_BusinessAcquisitionContingentConsiderationPotentialCashPayment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionContingentConsiderationPotentialCashPayment" xlink:to="lab_BusinessAcquisitionContingentConsiderationPotentialCashPayment" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionContingentConsiderationPotentialCashPayment" xml:lang="en-US">Business Acquisition, Contingent Consideration, Potential Cash Payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionContingentConsiderationPotentialCashPayment" xml:lang="en-US">Estimated fair value of liability for additional cash payments related to acquisitions closed during the year</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow" xlink:label="us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow" xlink:to="lab_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow" xml:lang="en-US">Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow" xml:lang="en-US">Obligation for contingent cash payments, minimum</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh" xlink:label="us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh" xlink:to="lab_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh" xml:lang="en-US">Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh" xml:lang="en-US">Obligation for contingent cash payments, maximum</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss" xlink:to="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss" xml:lang="en-US">Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain or Loss</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss" xml:lang="en-US">Loss recognized for the remeasurement of the fair value of initial equity investment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue" xlink:to="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue" xml:lang="en-US">Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue" xml:lang="en-US">Fair value of initial equity investment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:to="lab_ProceedsFromDivestitureOfBusinesses" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromDivestitureOfBusinesses" xml:lang="en-US">Proceeds from Divestiture of Businesses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromDivestitureOfBusinesses" xml:lang="en-US">Aggregate sale price for divestures of operations</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AcquisitionsAndDivestituresDetailsAbstract" xlink:label="wm_AcquisitionsAndDivestituresDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AcquisitionsAndDivestituresDetailsAbstract" xlink:to="wm_AcquisitionsAndDivestituresDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AcquisitionsAndDivestituresDetailsAbstract_lbl" xml:lang="en-US">Acquisitions and Divestitures (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AcquisitionsAndDivestituresDetailsAbstract_lbl" xml:lang="en-US">Acquisitions and divestitures.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInInvestmentsOfUnconsolidatedEntities" xlink:label="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInInvestmentsOfUnconsolidatedEntities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInInvestmentsOfUnconsolidatedEntities" xlink:to="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInInvestmentsOfUnconsolidatedEntities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInInvestmentsOfUnconsolidatedEntities_lbl" xml:lang="en-US">Financial Statement Impact of Deconsolidation of Variable Interest Entity Increase in Investments of Unconsolidated Entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInInvestmentsOfUnconsolidatedEntities_lbl" xml:lang="en-US">Financial statement impact of deconsolidation of variable interest entity, increase in investments of unconsolidated entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInInvestmentsOfUnconsolidatedEntities_lbl" xml:lang="en-US">Financial statement impact of deconsolidation of variable interest entity increase in investments of unconsolidated entities.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInReceivables" xlink:label="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInReceivables" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInReceivables" xlink:to="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInReceivables_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInReceivables_lbl" xml:lang="en-US">Financial Statement Impact of Deconsolidation of Variable Interest Entity Increase in Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInReceivables_lbl" xml:lang="en-US">Financial statement impact of deconsolidation of variable interest entity, increase in receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInReceivables_lbl" xml:lang="en-US">Financial statement impact of deconsolidation of variable interest entity increase in receivables.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityReductionOfNoncontrollingInterest" xlink:label="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityReductionOfNoncontrollingInterest" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityReductionOfNoncontrollingInterest_lbl" xml:lang="en-US">Financial Statement Impact of Deconsolidation of Variable Interest Entity Reduction of Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityReductionOfNoncontrollingInterest_lbl" xml:lang="en-US">Reduction in non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityReductionOfNoncontrollingInterest_lbl" xml:lang="en-US">Financial statement impact of deconsolidation of variable interest entity reduction of noncontrolling interest.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ComponentsOfDebtTableTextBlock" xlink:label="wm_ComponentsOfDebtTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ComponentsOfDebtTableTextBlock" xlink:to="wm_ComponentsOfDebtTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ComponentsOfDebtTableTextBlock_lbl" xml:lang="en-US">Components of Debt [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ComponentsOfDebtTableTextBlock_lbl" xml:lang="en-US">Components of debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ComponentsOfDebtTableTextBlock_lbl" xml:lang="en-US">Components of debt.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_WeightedAverageEffectiveInterestRate" xlink:label="wm_WeightedAverageEffectiveInterestRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WeightedAverageEffectiveInterestRate" xlink:to="wm_WeightedAverageEffectiveInterestRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WeightedAverageEffectiveInterestRate_lbl" xml:lang="en-US">Weighted Average Effective Interest Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_WeightedAverageEffectiveInterestRate_lbl" xml:lang="en-US">Weighted average effective interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WeightedAverageEffectiveInterestRate_lbl" xml:lang="en-US">Reflects the calculation as of the balance-sheet date of the average interest rate weighted by the amount of debt outstanding by type or by instrument at that time.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CommitmentsAndContingenciesTablesAbstract" xlink:label="wm_CommitmentsAndContingenciesTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CommitmentsAndContingenciesTablesAbstract" xlink:to="wm_CommitmentsAndContingenciesTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CommitmentsAndContingenciesTablesAbstract_lbl" xml:lang="en-US">Commitments and Contingencies (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CommitmentsAndContingenciesTablesAbstract_lbl" xml:lang="en-US">Commitments and contingencies.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ChangesToNetInsuranceLiabilitiesTextBlock" xlink:label="wm_ChangesToNetInsuranceLiabilitiesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ChangesToNetInsuranceLiabilitiesTextBlock" xlink:to="wm_ChangesToNetInsuranceLiabilitiesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ChangesToNetInsuranceLiabilitiesTextBlock_lbl" xml:lang="en-US">Changes to Net Insurance Liabilities [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ChangesToNetInsuranceLiabilitiesTextBlock_lbl" xml:lang="en-US">Changes to net insurance liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ChangesToNetInsuranceLiabilitiesTextBlock_lbl" xml:lang="en-US">Changes to net insurance liabilities.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextBlock" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextBlock" xlink:to="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextBlock_lbl" xml:lang="en-US">Income Expense From Divestitures Asset Impairments And Unusual Items [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextBlock_lbl" xml:lang="en-US">(Income) Expense from divestitures, asset impairments and unusual items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextBlock_lbl" xml:lang="en-US">Income expense from divestitures, asset impairments and unusual items.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AcquisitionsAndDivestituresAdditionalTextualAbstract" xlink:label="wm_AcquisitionsAndDivestituresAdditionalTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AcquisitionsAndDivestituresAdditionalTextualAbstract" xlink:to="wm_AcquisitionsAndDivestituresAdditionalTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AcquisitionsAndDivestituresAdditionalTextualAbstract_lbl" xml:lang="en-US">Acquisitions and Divestitures (Additional Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AcquisitionsAndDivestituresAdditionalTextualAbstract_lbl" xml:lang="en-US">Acquisitions and Divestitures (Additional Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AcquisitionsAndDivestituresAdditionalTextualAbstract_lbl" xml:lang="en-US">Acquisitions and divestitures.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AcquisitionsAndDivestituresTextualAbstract" xlink:label="wm_AcquisitionsAndDivestituresTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AcquisitionsAndDivestituresTextualAbstract" xlink:to="wm_AcquisitionsAndDivestituresTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AcquisitionsAndDivestituresTextualAbstract_lbl" xml:lang="en-US">Acquisitions and Divestitures (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AcquisitionsAndDivestituresTextualAbstract_lbl" xml:lang="en-US">Acquisitions and divestitures.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AcquisitionsAndDivestituresTextualAbstract_lbl" xml:lang="en-US">Acquisitions and Divestitures (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GuaranteeObligationsMaximumExposure" xml:lang="en-US">Guarantor Obligations, Maximum Exposure, Undiscounted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_GuaranteeObligationsMaximumExposure" xml:lang="en-US">Future payments regarding guarantees of unconsolidated entities financial obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GuaranteeObligationsMaximumExposure" xml:lang="en-US">Future payments regarding guarantees of unconsolidated entities financial obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate" xml:lang="en-US">Discount rate of Self-insurance claims reserves acquired as part of acquisition of WM Holdings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate" xml:lang="en-US">Discount rate of Self-insurance claims reserves acquired as part of acquisition of WM Holdings</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CommitmentsAndContingenciesTextualAbstract" xlink:label="wm_CommitmentsAndContingenciesTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CommitmentsAndContingenciesTextualAbstract" xlink:to="wm_CommitmentsAndContingenciesTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CommitmentsAndContingenciesTextualAbstract_lbl" xml:lang="en-US">Commitments and Contingencies (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CommitmentsAndContingenciesTextualAbstract_lbl" xml:lang="en-US">Commitments and contingencies.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CommitmentsAndContingenciesTextualAbstract_lbl" xml:lang="en-US">Commitments And Contingencies (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationDepreciationDepletionAndAmortizationExpense" xlink:label="us-gaap_SegmentReportingInformationDepreciationDepletionAndAmortizationExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationDepreciationDepletionAndAmortizationExpense" xlink:to="lab_SegmentReportingInformationDepreciationDepletionAndAmortizationExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingInformationDepreciationDepletionAndAmortizationExpense" xml:lang="en-US">Depreciation and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingInformationDepreciationDepletionAndAmortizationExpense" xml:lang="en-US">Segment Reporting Information, Depreciation, Depletion, and Amortization Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_SegmentReportingInformationDepreciationDepletionAndAmortizationExpense" xml:lang="en-US">Total Assets</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SegmentReportingInformationCapitalExpenditures" xlink:label="wm_SegmentReportingInformationCapitalExpenditures" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SegmentReportingInformationCapitalExpenditures" xlink:to="wm_SegmentReportingInformationCapitalExpenditures_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SegmentReportingInformationCapitalExpenditures_lbl" xml:lang="en-US">Segment Reporting Information Capital Expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SegmentReportingInformationCapitalExpenditures_lbl" xml:lang="en-US">Capital Expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SegmentReportingInformationCapitalExpenditures_lbl" xml:lang="en-US">Segment reporting information capital expenditures.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationAssets" xlink:label="us-gaap_SegmentReportingInformationAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationAssets" xlink:to="lab_SegmentReportingInformationAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingInformationAssets" xml:lang="en-US">Segment Reporting Information, Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingInformationAssets" xml:lang="en-US">Total Assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" xlink:label="us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" xlink:to="lab_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" xml:lang="en-US">Reconciliation of Assets from Segment to Consolidated [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" xml:lang="en-US">Reconciliation of total assets reported above to total assets in the consolidated balance sheets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfGoodwillTextBlock" xlink:to="lab_ScheduleOfGoodwillTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfGoodwillTextBlock" xml:lang="en-US">Schedule of Goodwill [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfGoodwillTextBlock" xml:lang="en-US">Goodwill</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingSegmentAssets" xlink:label="us-gaap_SegmentReportingSegmentAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingSegmentAssets" xlink:to="lab_SegmentReportingSegmentAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingSegmentAssets" xml:lang="en-US">Segment Reporting, Segment Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingSegmentAssets" xml:lang="en-US">Total assets, as reported above</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingReconcilingItemsAssets" xlink:label="us-gaap_SegmentReportingReconcilingItemsAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingReconcilingItemsAssets" xlink:to="lab_SegmentReportingReconcilingItemsAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingReconcilingItemsAssets" xml:lang="en-US">Segment Reporting, Reconciling Items, Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingReconcilingItemsAssets" xml:lang="en-US">Elimination of intercompany investments and advances</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="us-gaap_GoodwillRollForward" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillRollForward" xlink:to="lab_GoodwillRollForward" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GoodwillRollForward" xml:lang="en-US">Goodwill [Roll Forward]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GoodwillRollForward" xml:lang="en-US">Goodwill</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAcquiredDuringPeriod" xlink:to="lab_GoodwillAcquiredDuringPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GoodwillAcquiredDuringPeriod" xml:lang="en-US">Goodwill, Acquired During Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GoodwillAcquiredDuringPeriod" xml:lang="en-US">Acquired goodwill</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DivestedGoodwillNetOfAssetsHeldForSale" xlink:label="wm_DivestedGoodwillNetOfAssetsHeldForSale" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DivestedGoodwillNetOfAssetsHeldForSale" xlink:to="wm_DivestedGoodwillNetOfAssetsHeldForSale_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DivestedGoodwillNetOfAssetsHeldForSale_lbl" xml:lang="en-US">Divested Goodwill Net of Assets Held-for-Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DivestedGoodwillNetOfAssetsHeldForSale_lbl" xml:lang="en-US">Divested goodwill net of assets held-for-sale.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DivestedGoodwillNetOfAssetsHeldForSale_lbl" xml:lang="en-US">Divested goodwill, net of assets held-for-sale</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TranslationAndOtherAdjustments" xlink:label="wm_TranslationAndOtherAdjustments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TranslationAndOtherAdjustments" xlink:to="wm_TranslationAndOtherAdjustments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TranslationAndOtherAdjustments_lbl" xml:lang="en-US">Translation and Other Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TranslationAndOtherAdjustments_lbl" xml:lang="en-US">Translation and other adjustments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TranslationAndOtherAdjustments_lbl" xml:lang="en-US">Translation and other adjustments</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingEntityConsolidatedAssetsAbstract" xlink:label="us-gaap_SegmentReportingEntityConsolidatedAssetsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingEntityConsolidatedAssetsAbstract" xlink:to="lab_SegmentReportingEntityConsolidatedAssetsAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingEntityConsolidatedAssetsAbstract" xml:lang="en-US">Segment Reporting, Entity Consolidated Assets [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xlink:label="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xlink:to="lab_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xml:lang="en-US">Schedule of Entity-Wide Information, Revenue from External Customers by Products and Services [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xml:lang="en-US">Summary of net operating revenues by segment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" xlink:label="us-gaap_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" xlink:to="lab_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" xml:lang="en-US">Schedule of Entity-Wide Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" xml:lang="en-US">Summary of property and equipment (net) relating to operations by segment</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CollectionMember" xlink:label="wm_CollectionMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CollectionMember" xlink:to="wm_CollectionMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CollectionMember_lbl" xml:lang="en-US">Collection [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CollectionMember_lbl" xml:lang="en-US">Collection.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CollectionMember_lbl" xml:lang="en-US">Collection [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TransferMember" xlink:label="wm_TransferMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TransferMember" xlink:to="wm_TransferMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TransferMember_lbl" xml:lang="en-US">Transfer [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TransferMember_lbl" xml:lang="en-US">Transfer.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TransferMember_lbl" xml:lang="en-US">Transfer [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_WheelabratorMember" xlink:label="wm_WheelabratorMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WheelabratorMember" xlink:to="wm_WheelabratorMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WheelabratorMember_lbl" xml:lang="en-US">Wheelabrator [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WheelabratorMember_lbl" xml:lang="en-US">Wheelabrator.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_WheelabratorMember_lbl" xml:lang="en-US">Wheelabrator [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RecyclingMember" xlink:label="wm_RecyclingMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RecyclingMember" xlink:to="wm_RecyclingMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RecyclingMember_lbl" xml:lang="en-US">Recycling [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RecyclingMember_lbl" xml:lang="en-US">Recycling.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RecyclingMember_lbl" xml:lang="en-US">Recycling [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_OtherRevenueMember" xlink:label="wm_OtherRevenueMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OtherRevenueMember" xlink:to="wm_OtherRevenueMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OtherRevenueMember_lbl" xml:lang="en-US">Other Revenue [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OtherRevenueMember_lbl" xml:lang="en-US">Other revenue.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_OtherRevenueMember_lbl" xml:lang="en-US">Other revenue [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IntercompanyRevenueMember" xlink:label="wm_IntercompanyRevenueMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IntercompanyRevenueMember" xlink:to="wm_IntercompanyRevenueMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IntercompanyRevenueMember_lbl" xml:lang="en-US">Intercompany Revenue [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IntercompanyRevenueMember_lbl" xml:lang="en-US">Intercompany revenue.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IntercompanyRevenueMember_lbl" xml:lang="en-US">Intercompany revenue [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" xlink:label="us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" xlink:to="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" xml:lang="en-US">Entity-Wide Disclosure on Geographic Areas, Revenue from External Customers Attributed to Entity's Country of Domicile</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" xml:lang="en-US">United States and Puerto Rico</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" xlink:label="us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" xlink:to="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" xml:lang="en-US">Entity-Wide Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" xml:lang="en-US">Canada</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" xlink:label="us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" xlink:to="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" xml:lang="en-US">Entity-Wide Disclosure on Geographic Areas, Long-Lived Assets in Entity's Country of Domicile</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" xml:lang="en-US">United States and Puerto Rico</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" xlink:label="us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" xlink:to="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" xml:lang="en-US">Entity-Wide Disclosure on Geographic Areas, Long-Lived Assets in Foreign Countries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" xml:lang="en-US">Canada</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SummaryOfPropertyAndEquipmentNetRelatingToOperationsBySegmentAbstract" xlink:label="wm_SummaryOfPropertyAndEquipmentNetRelatingToOperationsBySegmentAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SummaryOfPropertyAndEquipmentNetRelatingToOperationsBySegmentAbstract" xlink:to="wm_SummaryOfPropertyAndEquipmentNetRelatingToOperationsBySegmentAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SummaryOfPropertyAndEquipmentNetRelatingToOperationsBySegmentAbstract_lbl" xml:lang="en-US">Summary of Property and Equipment Net Relating to Operations by Segment [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SummaryOfPropertyAndEquipmentNetRelatingToOperationsBySegmentAbstract_lbl" xml:lang="en-US">Summary of property and equipment (net) relating to operations by segment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SummaryOfPropertyAndEquipmentNetRelatingToOperationsBySegmentAbstract_lbl" xml:lang="en-US">Summary of property and equipment net relating to operations by segment.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NumberOfClassifiedSegmentGroups" xlink:label="wm_NumberOfClassifiedSegmentGroups" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfClassifiedSegmentGroups" xlink:to="wm_NumberOfClassifiedSegmentGroups_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfClassifiedSegmentGroups_lbl" xml:lang="en-US">Number of Classified Segment Groups</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfClassifiedSegmentGroups_lbl" xml:lang="en-US">Number of classified segment groups.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfClassifiedSegmentGroups_lbl" xml:lang="en-US">Number of classified segment groups</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NumberOfGeographicSegments" xlink:label="wm_NumberOfGeographicSegments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfGeographicSegments" xlink:to="wm_NumberOfGeographicSegments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfGeographicSegments_lbl" xml:lang="en-US">Number of Geographic Segments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfGeographicSegments_lbl" xml:lang="en-US">Number of geographic segments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfGeographicSegments_lbl" xml:lang="en-US">Number of geographic segments</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_QuarterlyFinancialInformationTextBlock" xlink:to="lab_QuarterlyFinancialInformationTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_QuarterlyFinancialInformationTextBlock" xml:lang="en-US">Quarterly Financial Information [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_QuarterlyFinancialInformationTextBlock" xml:lang="en-US">Quarterly Financial Data (Unaudited)</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_QuarterlyFinancialDataTablesAbstract" xlink:label="wm_QuarterlyFinancialDataTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_QuarterlyFinancialDataTablesAbstract" xlink:to="wm_QuarterlyFinancialDataTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_QuarterlyFinancialDataTablesAbstract_lbl" xml:lang="en-US">Quarterly Financial Data (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_QuarterlyFinancialDataTablesAbstract_lbl" xml:lang="en-US">Quarterly financial data.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_QuarterlyFinancialDataTextBlock" xlink:label="wm_QuarterlyFinancialDataTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_QuarterlyFinancialDataTextBlock" xlink:to="wm_QuarterlyFinancialDataTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_QuarterlyFinancialDataTextBlock_lbl" xml:lang="en-US">Quarterly Financial Data [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_QuarterlyFinancialDataTextBlock_lbl" xml:lang="en-US">Quarterly financial data (Unaudited)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_QuarterlyFinancialDataTextBlock_lbl" xml:lang="en-US">Quarterly financial data.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="us-gaap_QuarterlyFinancialDataAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_QuarterlyFinancialDataAbstract" xlink:to="lab_QuarterlyFinancialDataAbstract" />
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_QuarterlyFinancialDataTextualAbstract" xlink:label="wm_QuarterlyFinancialDataTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_QuarterlyFinancialDataTextualAbstract" xlink:to="wm_QuarterlyFinancialDataTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_QuarterlyFinancialDataTextualAbstract_lbl" xml:lang="en-US">Quarterly Financial Data (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_QuarterlyFinancialDataTextualAbstract_lbl" xml:lang="en-US">Quarterly financial data.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_QuarterlyFinancialDataTextualAbstract_lbl" xml:lang="en-US">Quarterly Financial Data (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans" xlink:label="wm_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans" xlink:to="wm_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans_lbl" xml:lang="en-US">Charge to Operating Expenses for Agreed Upon Withdrawal of Bargaining Units from Multi Employer Pension Plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans_lbl" xml:lang="en-US">Charge to "Operating" expenses for the agreed-upon withdrawal of bargaining units from multi-employer pension plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans_lbl" xml:lang="en-US">Charges to operating expenses from withdrawal of bargaining unit employees from an underfunded, multi-employer pension fund</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans_lbl" xml:lang="en-US">Charge to operating expenses for agreed upon withdrawal of bargaining units from multi employer pension plans.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DecreaseInEarningPerDilutedShareDueToCertainUnfavorableItemsDuringQuarter" xlink:label="wm_DecreaseInEarningPerDilutedShareDueToCertainUnfavorableItemsDuringQuarter" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DecreaseInEarningPerDilutedShareDueToCertainUnfavorableItemsDuringQuarter" xlink:to="wm_DecreaseInEarningPerDilutedShareDueToCertainUnfavorableItemsDuringQuarter_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DecreaseInEarningPerDilutedShareDueToCertainUnfavorableItemsDuringQuarter_lbl" xml:lang="en-US">Decrease in Earning Per Diluted Share Due to Certain Unfavorable Items During the Quarter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DecreaseInEarningPerDilutedShareDueToCertainUnfavorableItemsDuringQuarter_lbl" xml:lang="en-US">Decrease in earning per diluted share, due to certain unfavorable items during the quarter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DecreaseInEarningPerDilutedShareDueToCertainUnfavorableItemsDuringQuarter_lbl" xml:lang="en-US">Decrease in earning per diluted share, due to certain unfavorable items during the quarter.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:label="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:to="lab_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xml:lang="en-US">Schedule of Entity-Wide Information, Revenue from External Customers by Products and Services [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="us-gaap_ProductOrServiceAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductOrServiceAxis" xlink:to="lab_ProductOrServiceAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProductOrServiceAxis" xml:lang="en-US">Products and Services [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProductOrServiceNameDomain" xlink:label="us-gaap_ProductOrServiceNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductOrServiceNameDomain" xlink:to="lab_ProductOrServiceNameDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProductOrServiceNameDomain" xml:lang="en-US">Product and Service, Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:label="us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncreaseInProvisionForIncomeTaxes_lbl" xml:lang="en-US">Increase in provision for income taxes.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DecreaseInProvisionForIncomeTaxesDueToUtilizationOfStateNetOperatingLossAndCreditCarryForwards_lbl" xml:lang="en-US">Decrease in provision for income taxes due to the utilization of state net operating loss and credit carry-forwards.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ValuationAndQualifyingAccountsAbstract_lbl" xml:lang="en-US">Valuation and Qualifying Accounts [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ValuationAndQualifyingAccountsAbstract_lbl" xml:lang="en-US">Valuation and qualifying accounts.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:label="us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xml:lang="en-US">Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xml:lang="en-US">VALUATION AND QUALIFYING ACCOUNTS</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:label="us-gaap_MovementInValuationAllowancesAndReservesRollForward" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MovementInValuationAllowancesAndReservesRollForward" xml:lang="en-US">Movement in Valuation Allowances and Reserves [Roll Forward]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MovementInValuationAllowancesAndReservesRollForward" xml:lang="en-US">Valuation and Qualifying Accounts</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:to="lab_ValuationAndQualifyingAccountsDisclosureTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAndQualifyingAccountsDisclosureTable" xml:lang="en-US">Valuation and Qualifying Accounts Disclosure [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="us-gaap_ValuationAllowancesAndReservesTypeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:to="lab_ValuationAllowancesAndReservesTypeAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesTypeAxis" xml:lang="en-US">Valuation Allowances and Reserves Type [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="us-gaap_ValuationAllowancesAndReservesDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesDomain" xlink:to="lab_ValuationAllowancesAndReservesDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesDomain" xml:lang="en-US">Valuation Allowances and Reserves [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsMember" xlink:label="us-gaap_AllowanceForDoubtfulAccountsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsMember" xlink:to="lab_AllowanceForDoubtfulAccountsMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AllowanceForDoubtfulAccountsMember" xml:lang="en-US">Allowance for Doubtful Accounts [Member]</label>
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessRestructuringReservesMember" xlink:label="us-gaap_BusinessRestructuringReservesMember" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessRestructuringReservesMember" xml:lang="en-US">Business Restructuring Reserves [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessRestructuringReservesMember" xml:lang="en-US">Merger and restructuring accruals [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAndQualifyingAccountsDisclosureLineItems" xml:lang="en-US">Valuation and Qualifying Accounts Disclosure [Line Items]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ValuationAllowancesAndReserves" xlink:label="wm_ValuationAllowancesAndReserves" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ValuationAllowancesAndReserves" xlink:to="wm_ValuationAllowancesAndReserves_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ValuationAllowancesAndReserves_lbl" xml:lang="en-US">Valuation Allowances and Reserves</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ValuationAllowancesAndReserves_lbl" xml:lang="en-US">Valuation allowances and reserves.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ValuationAllowancesAndReserves_lbl" xml:lang="en-US">Other</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesBalance" xlink:to="lab_ValuationAllowancesAndReservesBalance" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesBalance" xml:lang="en-US">Valuation Allowances and Reserves, Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ValuationAllowancesAndReservesBalance" xml:lang="en-US">Balance End of Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ValuationAllowancesAndReservesBalance" xml:lang="en-US">Balance Beginning of Year</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesChargedToCostAndExpense" xml:lang="en-US">Valuation Allowances and Reserves, Charged to Cost and Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ValuationAllowancesAndReservesChargedToCostAndExpense" xml:lang="en-US">Valuation Allowances and Reserves, Charged to Cost and Expense, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ValuationAllowancesAndReservesChargedToCostAndExpense" xml:lang="en-US">Charged (Credited) to Income</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts" xlink:label="us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesChargedToOtherAccounts" xml:lang="en-US">Valuation Allowances and Reserves, Charged to Other Accounts</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_ValuationAllowancesAndReservesChargedToOtherAccounts" xml:lang="en-US">Accounts Written Off/Use of Reserve</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" xlink:label="us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" xml:lang="en-US">Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" xml:lang="en-US">Summary of stock-based compensation</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MaximumAccountsReceivableFromSingleCustomerInPercentageToAccountsReceivable" xlink:label="wm_MaximumAccountsReceivableFromSingleCustomerInPercentageToAccountsReceivable" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MaximumAccountsReceivableFromSingleCustomerInPercentageToAccountsReceivable_lbl" xml:lang="en-US">Maximum Accounts Receivable from Single Customer in Percentage to Accounts Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_MaximumAccountsReceivableFromSingleCustomerInPercentageToAccountsReceivable_lbl" xml:lang="en-US">Maximum accounts receivable from single customer in percentage to total accounts receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MaximumAccountsReceivableFromSingleCustomerInPercentageToAccountsReceivable_lbl" xml:lang="en-US">Maximum accounts receivable from single customer in percentage to total accounts receivable.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NumberOfLandfillSitesWithExpansionsThatRequirePrincipalFinancialOfficerToApproveInclusionOfUnpermittedAirspace" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequirePrincipalFinancialOfficerToApproveInclusionOfUnpermittedAirspace" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequirePrincipalFinancialOfficerToApproveInclusionOfUnpermittedAirspace_lbl" xml:lang="en-US">Number of Landfill Sites with Expansions that Require the Principal Financial Officer to Approve Inclusion of Unpermitted Airspace</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequirePrincipalFinancialOfficerToApproveInclusionOfUnpermittedAirspace_lbl" xml:lang="en-US">Number of landfill sites with expansions that require the principal financial officer to approve the inclusion of the unpermitted airspace.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequirePrincipalFinancialOfficerToApproveInclusionOfUnpermittedAirspace_lbl" xml:lang="en-US">Number of landfill sites with expansions that require the principal financial officer to approve the inclusion of the unpermitted airspace</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NumberOfLandfillSitesWithExpansionsThatRequirePrincipalFinancialOfficerToApproveInclusionOfUnpermittedAirspaceBecauseOfCommunityOrPoliticalOpposition" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequirePrincipalFinancialOfficerToApproveInclusionOfUnpermittedAirspaceBecauseOfCommunityOrPoliticalOpposition" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequirePrincipalFinancialOfficerToApproveInclusionOfUnpermittedAirspaceBecauseOfCommunityOrPoliticalOpposition_lbl" xml:lang="en-US">Number of landfill sites with expansions that require the principal financial officer to approve the inclusion of the unpermitted airspace because of community or political opposition.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequirePrincipalFinancialOfficerToApproveInclusionOfUnpermittedAirspaceBecauseOfCommunityOrPoliticalOpposition_lbl" xml:lang="en-US">Number of landfill sites with expansions that require the principal financial officer to approve the inclusion of the unpermitted airspace because of community or political opposition</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequirePrincipalFinancialOfficerToApproveInclusionOfUnpermittedAirspaceDueToPermitApplicationProcesses_lbl" xml:lang="en-US">Number of Landfill Sites with Expansions that Require the Principal Financial Officer to Approve Inclusion of Unpermitted Airspace Due to Permit Application Processes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequirePrincipalFinancialOfficerToApproveInclusionOfUnpermittedAirspaceDueToPermitApplicationProcesses_lbl" xml:lang="en-US">Number of landfill sites with expansions that require the principal financial officer to approve the inclusion of the unpermitted airspace due to permit application processes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequirePrincipalFinancialOfficerToApproveInclusionOfUnpermittedAirspaceDueToPermitApplicationProcesses_lbl" xml:lang="en-US">Number of landfill sites with expansions that require the principal financial officer to approve the inclusion of the unpermitted airspace due to permit application processes</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CostsIncurredForSoftwareUnderDevelopmentIncludedInFurnitureFixturesAndOfficeEquipment" xlink:label="wm_CostsIncurredForSoftwareUnderDevelopmentIncludedInFurnitureFixturesAndOfficeEquipment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CostsIncurredForSoftwareUnderDevelopmentIncludedInFurnitureFixturesAndOfficeEquipment" xlink:to="wm_CostsIncurredForSoftwareUnderDevelopmentIncludedInFurnitureFixturesAndOfficeEquipment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CostsIncurredForSoftwareUnderDevelopmentIncludedInFurnitureFixturesAndOfficeEquipment_lbl" xml:lang="en-US">Costs Incurred for Software Under Development Included in Furniture Fixtures and Office Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CostsIncurredForSoftwareUnderDevelopmentIncludedInFurnitureFixturesAndOfficeEquipment_lbl" xml:lang="en-US">Costs incurred for software under development included in furniture, fixtures and office equipment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CostsIncurredForSoftwareUnderDevelopmentIncludedInFurnitureFixturesAndOfficeEquipment_lbl" xml:lang="en-US">Costs incurred for software under development included in furniture, fixtures and office equipment</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueHedgesAdjustmentsToCarryingValueOfHedgedItems" xlink:label="wm_FairValueHedgesAdjustmentsToCarryingValueOfHedgedItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueHedgesAdjustmentsToCarryingValueOfHedgedItems" xlink:to="wm_FairValueHedgesAdjustmentsToCarryingValueOfHedgedItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueHedgesAdjustmentsToCarryingValueOfHedgedItems_lbl" xml:lang="en-US">Fair Value Hedges Adjustments to Carrying Value of Hedged Items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueHedgesAdjustmentsToCarryingValueOfHedgedItems_lbl" xml:lang="en-US">Increase in carrying value of debt instruments from fair value hedge accounting for interest rate swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_FairValueHedgesAdjustmentsToCarryingValueOfHedgedItems_lbl" xml:lang="en-US">Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueHedgesAdjustmentsToCarryingValueOfHedgedItems_lbl" xml:lang="en-US">Fair value hedges adjustments to carrying value of hedged items.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwapsExpectedToBeIssuedInTwoThousandElevenTwoThousandTwelveAndTwoThousandFourteen" xlink:label="wm_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwapsExpectedToBeIssuedInTwoThousandElevenTwoThousandTwelveAndTwoThousandFourteen" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwapsExpectedToBeIssuedInTwoThousandElevenTwoThousandTwelveAndTwoThousandFourteen" xlink:to="wm_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwapsExpectedToBeIssuedInTwoThousandElevenTwoThousandTwelveAndTwoThousandFourteen_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwapsExpectedToBeIssuedInTwoThousandElevenTwoThousandTwelveAndTwoThousandFourteen_lbl" xml:lang="en-US">Notional Amount of Cash Flow Hedge Instruments Forward Starting Swaps Expected to be Issued in Two Thousand Eleven Two Thousand Twelve and Two Thousand Fourteen</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwapsExpectedToBeIssuedInTwoThousandElevenTwoThousandTwelveAndTwoThousandFourteen_lbl" xml:lang="en-US">Notional amount of cash flow hedge instruments, forward-starting swaps expected to be issued in 2011, 2012 and 2014.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwapsExpectedToBeIssuedInTwoThousandElevenTwoThousandTwelveAndTwoThousandFourteen_lbl" xml:lang="en-US">Notional amount of cash flow hedge instruments, forward-starting swaps expected to be issued in 2011, 2012 and 2014</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NotionalAmountOfTerminatedForwardStartingInterestRateSwaps" xlink:label="wm_NotionalAmountOfTerminatedForwardStartingInterestRateSwaps" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NotionalAmountOfTerminatedForwardStartingInterestRateSwaps" xlink:to="wm_NotionalAmountOfTerminatedForwardStartingInterestRateSwaps_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NotionalAmountOfTerminatedForwardStartingInterestRateSwaps_lbl" xml:lang="en-US">Notional Amount of Terminated Forward Starting Interest Rate Swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NotionalAmountOfTerminatedForwardStartingInterestRateSwaps_lbl" xml:lang="en-US">Notional amount of terminated forward-starting interest rate swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NotionalAmountOfTerminatedForwardStartingInterestRateSwaps_lbl" xml:lang="en-US">Notional amount of terminated forward starting interest rate swaps.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueOfForwardStartingInterestRateDerivativesClassifiedAsLongTermLiabilities" xlink:label="wm_FairValueOfForwardStartingInterestRateDerivativesClassifiedAsLongTermLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueOfForwardStartingInterestRateDerivativesClassifiedAsLongTermLiabilities" xlink:to="wm_FairValueOfForwardStartingInterestRateDerivativesClassifiedAsLongTermLiabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueOfForwardStartingInterestRateDerivativesClassifiedAsLongTermLiabilities_lbl" xml:lang="en-US">Fair Value of Forward Starting Interest Rate Derivatives Classified as Long Term Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueOfForwardStartingInterestRateDerivativesClassifiedAsLongTermLiabilities_lbl" xml:lang="en-US">Fair value of forward-starting swaps (interest rate derivatives) included in long-term liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueOfForwardStartingInterestRateDerivativesClassifiedAsLongTermLiabilities_lbl" xml:lang="en-US">Fair value of forward starting interest rate derivatives classified as long term liabilities.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncomeTaxBenefitIncludingTaxCreditsFromEquityMethodInvestment" xlink:label="wm_IncomeTaxBenefitIncludingTaxCreditsFromEquityMethodInvestment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncomeTaxBenefitIncludingTaxCreditsFromEquityMethodInvestment" xlink:to="wm_IncomeTaxBenefitIncludingTaxCreditsFromEquityMethodInvestment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncomeTaxBenefitIncludingTaxCreditsFromEquityMethodInvestment_lbl" xml:lang="en-US">Income Tax Benefit Including Tax Credits from Equity Method Investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncomeTaxBenefitIncludingTaxCreditsFromEquityMethodInvestment_lbl" xml:lang="en-US">Income tax benefit, including tax credits, from equity method investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeTaxBenefitIncludingTaxCreditsFromEquityMethodInvestment_lbl" xml:lang="en-US">Income tax benefit, including tax credits, from equity method investment.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TaxCreditsFromEquityMethodInvestment" xlink:label="wm_TaxCreditsFromEquityMethodInvestment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TaxCreditsFromEquityMethodInvestment" xlink:to="wm_TaxCreditsFromEquityMethodInvestment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TaxCreditsFromEquityMethodInvestment_lbl" xml:lang="en-US">Tax Credits from Equity Method Investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TaxCreditsFromEquityMethodInvestment_lbl" xml:lang="en-US">Tax credits from equity method investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TaxCreditsFromEquityMethodInvestment_lbl" xml:lang="en-US">Tax credits from equity method investment.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncreaseInDilutedEarningsPerShareDueToTaxAuditSettlements" xlink:label="wm_IncreaseInDilutedEarningsPerShareDueToTaxAuditSettlements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncreaseInDilutedEarningsPerShareDueToTaxAuditSettlements" xlink:to="wm_IncreaseInDilutedEarningsPerShareDueToTaxAuditSettlements_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncreaseInDilutedEarningsPerShareDueToTaxAuditSettlements_lbl" xml:lang="en-US">Increase in Diluted Earnings Per Share Due to Tax Audit Settlements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncreaseInDilutedEarningsPerShareDueToTaxAuditSettlements_lbl" xml:lang="en-US">Increase in diluted earnings per share due to tax audit settlements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncreaseInDilutedEarningsPerShareDueToTaxAuditSettlements_lbl" xml:lang="en-US">Increase in diluted earnings per share due to tax audit settlements</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EndingStateTaxRateCurrent" xlink:label="wm_EndingStateTaxRateCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EndingStateTaxRateCurrent" xlink:to="wm_EndingStateTaxRateCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EndingStateTaxRateCurrent_lbl" xml:lang="en-US">Ending State Tax Rate Current.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EndingStateTaxRateCurrent_lbl" xml:lang="en-US">Ending state tax rate, current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EndingStateTaxRateCurrent_lbl" xml:lang="en-US">Ending state tax rate, current.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_BeginningStateTaxRateCurrent" xlink:label="wm_BeginningStateTaxRateCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_BeginningStateTaxRateCurrent" xlink:to="wm_BeginningStateTaxRateCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_BeginningStateTaxRateCurrent_lbl" xml:lang="en-US">Beginning State Tax Rate Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_BeginningStateTaxRateCurrent_lbl" xml:lang="en-US">Beginning state tax rate, current.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_BeginningStateTaxRateCurrent_lbl" xml:lang="en-US">Beginning state tax rate, current</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PercentageOfDeductionThatAppliesToQualifyingProperty" xlink:label="wm_PercentageOfDeductionThatAppliesToQualifyingProperty" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PercentageOfDeductionThatAppliesToQualifyingProperty" xlink:to="wm_PercentageOfDeductionThatAppliesToQualifyingProperty_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PercentageOfDeductionThatAppliesToQualifyingProperty_lbl" xml:lang="en-US">Percentage of Deduction that Applies to Qualifying Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PercentageOfDeductionThatAppliesToQualifyingProperty_lbl" xml:lang="en-US">Percentage of deduction that applies to qualifying property.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PercentageOfDeductionThatAppliesToQualifyingProperty_lbl" xml:lang="en-US">Percentage of deduction that applies to qualifying property</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DebtToEarningsBeforeInterestTaxDepreciationAndAmortization" xlink:label="wm_DebtToEarningsBeforeInterestTaxDepreciationAndAmortization" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtToEarningsBeforeInterestTaxDepreciationAndAmortization" xlink:to="wm_DebtToEarningsBeforeInterestTaxDepreciationAndAmortization_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtToEarningsBeforeInterestTaxDepreciationAndAmortization_lbl" xml:lang="en-US">Debt to Earnings Before Interest Tax Depreciation and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtToEarningsBeforeInterestTaxDepreciationAndAmortization_lbl" xml:lang="en-US">Debt to Earnings before interest tax depreciation and amortization.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DebtToEarningsBeforeInterestTaxDepreciationAndAmortization_lbl" xml:lang="en-US">Total debt to EBITDA</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ExpectedTimePeriodInYearsForCashSettlementOfSubstantiallyAllRecordedObligationsAssociatedWithInsuranceLiabilities" xlink:label="wm_ExpectedTimePeriodInYearsForCashSettlementOfSubstantiallyAllRecordedObligationsAssociatedWithInsuranceLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ExpectedTimePeriodInYearsForCashSettlementOfSubstantiallyAllRecordedObligationsAssociatedWithInsuranceLiabilities" xlink:to="wm_ExpectedTimePeriodInYearsForCashSettlementOfSubstantiallyAllRecordedObligationsAssociatedWithInsuranceLiabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ExpectedTimePeriodInYearsForCashSettlementOfSubstantiallyAllRecordedObligationsAssociatedWithInsuranceLiabilities_lbl" xml:lang="en-US">Expected Time Period in Years for Cash Settlement of Substantially All Recorded Obligations Associated with Insurance Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ExpectedTimePeriodInYearsForCashSettlementOfSubstantiallyAllRecordedObligationsAssociatedWithInsuranceLiabilities_lbl" xml:lang="en-US">Expected time period in years for cash settlement of substantially all recorded obligations associated with insurance liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ExpectedTimePeriodInYearsForCashSettlementOfSubstantiallyAllRecordedObligationsAssociatedWithInsuranceLiabilities_lbl" xml:lang="en-US">Expected time period in years for cash settlement of substantially all recorded obligations associated with insurance liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:to="lab_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xml:lang="en-US">Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xml:lang="en-US">Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xml:lang="en-US">Investments in unconsolidated entities</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DecreaseInNetIncomeAttributableToCompanyDueToCertainUnfavorableItemsDuringQuarter" xlink:label="wm_DecreaseInNetIncomeAttributableToCompanyDueToCertainUnfavorableItemsDuringQuarter" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DecreaseInNetIncomeAttributableToCompanyDueToCertainUnfavorableItemsDuringQuarter" xlink:to="wm_DecreaseInNetIncomeAttributableToCompanyDueToCertainUnfavorableItemsDuringQuarter_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DecreaseInNetIncomeAttributableToCompanyDueToCertainUnfavorableItemsDuringQuarter_lbl" xml:lang="en-US">Decrease in Net Income Attributable to Company Due to Certain Unfavorable Items During Quarter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DecreaseInNetIncomeAttributableToCompanyDueToCertainUnfavorableItemsDuringQuarter_lbl" xml:lang="en-US">Decrease in net income attributable to company due to certain unfavorable items during quarter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DecreaseInNetIncomeAttributableToCompanyDueToCertainUnfavorableItemsDuringQuarter_lbl" xml:lang="en-US">Decrease in net income attributable to company due to certain unfavorable items during quarter.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncreaseInNetIncomeAttributableToCompanyDueToCertainFavorableItemsDuringQuarter" xlink:label="wm_IncreaseInNetIncomeAttributableToCompanyDueToCertainFavorableItemsDuringQuarter" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncreaseInNetIncomeAttributableToCompanyDueToCertainFavorableItemsDuringQuarter" xlink:to="wm_IncreaseInNetIncomeAttributableToCompanyDueToCertainFavorableItemsDuringQuarter_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncreaseInNetIncomeAttributableToCompanyDueToCertainFavorableItemsDuringQuarter_lbl" xml:lang="en-US">Increase in Net Income Attributable to Company Due to Certain Favorable Items During Quarter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncreaseInNetIncomeAttributableToCompanyDueToCertainFavorableItemsDuringQuarter_lbl" xml:lang="en-US">Increase in net income attributable to company due to certain favorable items during quarter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncreaseInNetIncomeAttributableToCompanyDueToCertainFavorableItemsDuringQuarter_lbl" xml:lang="en-US">Increase in net income attributable to company due to certain favorable items during quarter.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Increase (Decrease) for Revision in Estimates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates" xml:lang="en-US">Increase (decrease) to environmental remediation liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates" xml:lang="en-US">Revisions in cost estimates and interest rate assumptions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_lbl" xml:lang="en-US">Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_lbl" xml:lang="en-US">Debt repayments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_lbl" xml:lang="en-US">Repayments of Long-term Debt and Capital Securities, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_lbl" xml:lang="en-US">Debt repayments</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RevenuesByPrincipalLineOfBusinessTextBlock" xlink:label="wm_RevenuesByPrincipalLineOfBusinessTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RevenuesByPrincipalLineOfBusinessTextBlock" xlink:to="wm_RevenuesByPrincipalLineOfBusinessTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RevenuesByPrincipalLineOfBusinessTextBlock_lbl" xml:lang="en-US">Revenues by Principal Line of Business [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RevenuesByPrincipalLineOfBusinessTextBlock_lbl" xml:lang="en-US">Total Revenues by Principal Line Of Business</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RevenuesByPrincipalLineOfBusinessTextBlock_lbl" xml:lang="en-US">Revenues by principal line of business.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RevenuesByPrincipalLineOfBusinessAbstract" xlink:label="wm_RevenuesByPrincipalLineOfBusinessAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RevenuesByPrincipalLineOfBusinessAbstract" xlink:to="wm_RevenuesByPrincipalLineOfBusinessAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RevenuesByPrincipalLineOfBusinessAbstract_lbl" xml:lang="en-US">Revenues by Principal Line of Business [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RevenuesByPrincipalLineOfBusinessAbstract_lbl" xml:lang="en-US">Total revenues by principal line of business</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RevenuesByPrincipalLineOfBusinessAbstract_lbl" xml:lang="en-US">Revenues by principal line of business.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueMeasurementInputsDisclosureTextBlock" xml:lang="en-US">Fair Value, Measurement Inputs, Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueMeasurementInputsDisclosureTextBlock" xml:lang="en-US">Fair value of assets and liabilities measured on a recurring basis</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionProFormaInformationTextBlock" xml:lang="en-US">Business Acquisition, Pro Forma Information [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionProFormaInformationTextBlock" xml:lang="en-US">Pro forma consolidated results of operations</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ValuationAndQualifyingAccountsDetailsAbstract" xlink:label="wm_ValuationAndQualifyingAccountsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ValuationAndQualifyingAccountsDetailsAbstract" xlink:to="wm_ValuationAndQualifyingAccountsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ValuationAndQualifyingAccountsDetailsAbstract_lbl" xml:lang="en-US">Valuation and Qualifying Accounts (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ValuationAndQualifyingAccountsDetailsAbstract_lbl" xml:lang="en-US">Valuation and qualifying accounts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ValuationAndQualifyingAccountsDetailsAbstract_lbl" xml:lang="en-US">Valuation and Qualifying Accounts (Details) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SelectedQuarterlyFinancialInformationAbstract" xlink:label="us-gaap_SelectedQuarterlyFinancialInformationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SelectedQuarterlyFinancialInformationAbstract" xlink:to="us-gaap_SelectedQuarterlyFinancialInformationAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SelectedQuarterlyFinancialInformationAbstract_lbl" xml:lang="en-US">Selected Quarterly Financial Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SelectedQuarterlyFinancialInformationAbstract_lbl" xml:lang="en-US">Summary of unaudited quarterly results of operations</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage" xlink:to="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage_lbl" xml:lang="en-US">Business Combination Step Acquisition Equity Interest In Acquiree Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage_lbl" xml:lang="en-US">Equity interest in the entity before purchase of the remaining equity interest in portable self-storage investments</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AssetRetirementObligationCurrentAndAccrualForEnvironmentalLossContingenciesCurrent" xlink:label="wm_AssetRetirementObligationCurrentAndAccrualForEnvironmentalLossContingenciesCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AssetRetirementObligationCurrentAndAccrualForEnvironmentalLossContingenciesCurrent" xlink:to="wm_AssetRetirementObligationCurrentAndAccrualForEnvironmentalLossContingenciesCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AssetRetirementObligationCurrentAndAccrualForEnvironmentalLossContingenciesCurrent_lbl" xml:lang="en-US">Asset Retirement Obligation Current and Accrual for Environmental Loss Contingencies Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_AssetRetirementObligationCurrentAndAccrualForEnvironmentalLossContingenciesCurrent_lbl" xml:lang="en-US">Current (in accrued liabilities)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AssetRetirementObligationCurrentAndAccrualForEnvironmentalLossContingenciesCurrent_lbl" xml:lang="en-US">Current (in accrued liabilities)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AssetRetirementObligationCurrentAndAccrualForEnvironmentalLossContingenciesCurrent_lbl" xml:lang="en-US">Asset retirement obligation current and accrual for environmental loss contingencies.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AccrualForEnvironmentalLossContingenciesCurrent" xlink:label="wm_AccrualForEnvironmentalLossContingenciesCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AccrualForEnvironmentalLossContingenciesCurrent" xlink:to="wm_AccrualForEnvironmentalLossContingenciesCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AccrualForEnvironmentalLossContingenciesCurrent_lbl" xml:lang="en-US">Accrual for Environmental Loss Contingencies Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AccrualForEnvironmentalLossContingenciesCurrent_lbl" xml:lang="en-US">Current (in accrued liabilities), Remediation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AccrualForEnvironmentalLossContingenciesCurrent_lbl" xml:lang="en-US">Accrual for environmental loss contingencies current.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AssetRetirementObligationNoncurrentAndAccrualForEnvironmentalLossContingenciesNoncurrent" xlink:label="wm_AssetRetirementObligationNoncurrentAndAccrualForEnvironmentalLossContingenciesNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AssetRetirementObligationNoncurrentAndAccrualForEnvironmentalLossContingenciesNoncurrent" xlink:to="wm_AssetRetirementObligationNoncurrentAndAccrualForEnvironmentalLossContingenciesNoncurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AssetRetirementObligationNoncurrentAndAccrualForEnvironmentalLossContingenciesNoncurrent_lbl" xml:lang="en-US">Asset Retirement Obligation Noncurrent and Accrual for Environmental Loss Contingencies Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_AssetRetirementObligationNoncurrentAndAccrualForEnvironmentalLossContingenciesNoncurrent_lbl" xml:lang="en-US">Long-term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AssetRetirementObligationNoncurrentAndAccrualForEnvironmentalLossContingenciesNoncurrent_lbl" xml:lang="en-US">Long-term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AssetRetirementObligationNoncurrentAndAccrualForEnvironmentalLossContingenciesNoncurrent_lbl" xml:lang="en-US">Asset retirement obligation noncurrent and accrual for environmental loss contingencies.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AccrualForEnvironmentalLossContingenciesNoncurrent" xlink:label="wm_AccrualForEnvironmentalLossContingenciesNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AccrualForEnvironmentalLossContingenciesNoncurrent" xlink:to="wm_AccrualForEnvironmentalLossContingenciesNoncurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AccrualForEnvironmentalLossContingenciesNoncurrent_lbl" xml:lang="en-US">Accrual for Environmental Loss Contingencies Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AccrualForEnvironmentalLossContingenciesNoncurrent_lbl" xml:lang="en-US">Long-term, Remediation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AccrualForEnvironmentalLossContingenciesNoncurrent_lbl" xml:lang="en-US">Accrual for environmental loss contingencies noncurrent.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AssetRetirementObligationAndAccrualForEnvironmentalLossContingencies" xlink:label="wm_AssetRetirementObligationAndAccrualForEnvironmentalLossContingencies" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AssetRetirementObligationAndAccrualForEnvironmentalLossContingencies" xlink:to="wm_AssetRetirementObligationAndAccrualForEnvironmentalLossContingencies_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AssetRetirementObligationAndAccrualForEnvironmentalLossContingencies_lbl" xml:lang="en-US">Asset Retirement Obligation and Accrual for Environmental Loss Contingencies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_AssetRetirementObligationAndAccrualForEnvironmentalLossContingencies_lbl" xml:lang="en-US">Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AssetRetirementObligationAndAccrualForEnvironmentalLossContingencies_lbl" xml:lang="en-US">Asset retirement obligation and accrual for environmental loss contingencies.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DecreaseInProvisionForIncomeTaxes" xlink:label="wm_DecreaseInProvisionForIncomeTaxes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DecreaseInProvisionForIncomeTaxes" xlink:to="wm_DecreaseInProvisionForIncomeTaxes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DecreaseInProvisionForIncomeTaxes_lbl" xml:lang="en-US">Decrease in Provision for Income Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DecreaseInProvisionForIncomeTaxes_lbl" xml:lang="en-US">Decrease in provision for income taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DecreaseInProvisionForIncomeTaxes_lbl" xml:lang="en-US">Decrease in provision for income taxes</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_InterestPaymentOnForeignCurrencyForwardContracts" xlink:label="wm_InterestPaymentOnForeignCurrencyForwardContracts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_InterestPaymentOnForeignCurrencyForwardContracts" xlink:to="wm_InterestPaymentOnForeignCurrencyForwardContracts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InterestPaymentOnForeignCurrencyForwardContracts_lbl" xml:lang="en-US">Interest Payment on Foreign Currency Forward Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_InterestPaymentOnForeignCurrencyForwardContracts_lbl" xml:lang="en-US">Interest payment on foreign currency forward contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InterestPaymentOnForeignCurrencyForwardContracts_lbl" xml:lang="en-US">Scheduled interest payment on foreign currency forward contracts.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_QuarterlyFinancialDataDetailsAbstract" xlink:label="wm_QuarterlyFinancialDataDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_QuarterlyFinancialDataDetailsAbstract" xlink:to="wm_QuarterlyFinancialDataDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_QuarterlyFinancialDataDetailsAbstract_lbl" xml:lang="en-US">Quarterly Financial Data (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_QuarterlyFinancialDataDetailsAbstract_lbl" xml:lang="en-US">Quarterly financial data.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ScheduledInterestPaymentsOnForeignExchangeContracts" xlink:label="wm_ScheduledInterestPaymentsOnForeignExchangeContracts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ScheduledInterestPaymentsOnForeignExchangeContracts" xlink:to="wm_ScheduledInterestPaymentsOnForeignExchangeContracts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ScheduledInterestPaymentsOnForeignExchangeContracts_lbl" xml:lang="en-US">Scheduled Interest Payments on Foreign Exchange Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ScheduledInterestPaymentsOnForeignExchangeContracts_lbl" xml:lang="en-US">Scheduled interest payments on foreign exchange contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ScheduledInterestPaymentsOnForeignExchangeContracts_lbl" xml:lang="en-US">Scheduled interest payments for foreign currency forward contracts included in hedged cash flows</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TangibleProductRevenues" xlink:label="wm_TangibleProductRevenues" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TangibleProductRevenues" xlink:to="wm_TangibleProductRevenues_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TangibleProductRevenues_lbl" xml:lang="en-US">Tangible Product Revenues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TangibleProductRevenues_lbl" xml:lang="en-US">Tangible product revenues.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TangibleProductRevenues_lbl" xml:lang="en-US">Tangible product revenues</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SalesRevenueServicesNet" xlink:label="us-gaap_SalesRevenueServicesNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SalesRevenueServicesNet" xlink:to="lab_SalesRevenueServicesNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SalesRevenueServicesNet" xml:lang="en-US">Sales Revenue, Services, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SalesRevenueServicesNet" xml:lang="en-US">Service revenues</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostOfServices" xlink:label="us-gaap_CostOfServices" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfServices" xlink:to="lab_CostOfServices" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CostOfServices" xml:lang="en-US">Cost of Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CostOfServices" xml:lang="en-US">Cost of services</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="us-gaap_RevenuesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenuesAbstract" xlink:to="lab_RevenuesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RevenuesAbstract" xml:lang="en-US">Revenues [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RevenuesAbstract" xml:lang="en-US">Operating revenues:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostOfRevenueAbstract" xlink:label="us-gaap_CostOfRevenueAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfRevenueAbstract" xlink:to="lab_CostOfRevenueAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CostOfRevenueAbstract" xml:lang="en-US">Cost of Revenue [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CostOfRevenueAbstract" xml:lang="en-US">Operating costs (exclusive of depreciation and amortization shown below):</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CostOfTangibleProducts" xlink:label="wm_CostOfTangibleProducts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CostOfTangibleProducts" xlink:to="wm_CostOfTangibleProducts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CostOfTangibleProducts_lbl" xml:lang="en-US">Cost of Tangible Products</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CostOfTangibleProducts_lbl" xml:lang="en-US">Cost of tangible products.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CostOfTangibleProducts_lbl" xml:lang="en-US">Cost of tangible products</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesElectricityCommodityDerivativesArisingDuringPeriodBeforeTax" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesElectricityCommodityDerivativesArisingDuringPeriodBeforeTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesElectricityCommodityDerivativesArisingDuringPeriodBeforeTax" xlink:to="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesElectricityCommodityDerivativesArisingDuringPeriodBeforeTax_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesElectricityCommodityDerivativesArisingDuringPeriodBeforeTax_lbl" xml:lang="en-US">Other Comprehensive Income Unrealized Gain Loss On Cash Flow Derivatives electricity Commodity derivatives Arising During Period Before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesElectricityCommodityDerivativesArisingDuringPeriodBeforeTax_lbl" xml:lang="en-US">Other comprehensive income unrealized gain loss on cash flow derivatives electricity commodity derivatives arising during period before tax.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesElectricityCommodityDerivativesArisingDuringPeriodBeforeTax_lbl" xml:lang="en-US">Pre tax gains (losses) recognized in other comprehensive income for changes in fair value of electricity commodity derivatives</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesElectricityCommodityDerivativesArisingDuringPeriodAfterTax" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesElectricityCommodityDerivativesArisingDuringPeriodAfterTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesElectricityCommodityDerivativesArisingDuringPeriodAfterTax" xlink:to="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesElectricityCommodityDerivativesArisingDuringPeriodAfterTax_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesElectricityCommodityDerivativesArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">Other Comprehensive Income Unrealized Gain Loss On Cash Flow Derivatives electricity commodity derivatives Arising During Period After Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesElectricityCommodityDerivativesArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">Other comprehensive income unrealized gain loss on cash flow derivatives electricity commodity derivatives arising during period after tax.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesElectricityCommodityDerivativesArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">After tax gains (losses) recognized in other comprehensive income due to changes in fair value of electricity commodity derivatives</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SignificantIndividualMultiemployerPlanParticipationAbstract" xlink:label="wm_SignificantIndividualMultiemployerPlanParticipationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SignificantIndividualMultiemployerPlanParticipationAbstract" xlink:to="wm_SignificantIndividualMultiemployerPlanParticipationAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SignificantIndividualMultiemployerPlanParticipationAbstract_lbl" xml:lang="en-US">Significant Individual Multiemployer Plan Participation [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SignificantIndividualMultiemployerPlanParticipationAbstract_lbl" xml:lang="en-US">Significant individual multiemployer plan participation [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SignificantIndividualMultiemployerPlanParticipationAbstract_lbl" xml:lang="en-US">Significant individual multiemployer plan participation.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ScheduleOfMultiemployerPlansTable" xlink:label="wm_ScheduleOfMultiemployerPlansTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ScheduleOfMultiemployerPlansTable" xlink:to="wm_ScheduleOfMultiemployerPlansTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ScheduleOfMultiemployerPlansTable_lbl" xml:lang="en-US">Schedule of Multiemployer Plans [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ScheduleOfMultiemployerPlansTable_lbl" xml:lang="en-US">Schedule of the quantitative and qualitative information related to multiemployer plans in which the employer participates. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MultiemployerPlanNameAxis" xlink:label="wm_MultiemployerPlanNameAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MultiemployerPlanNameAxis" xlink:to="wm_MultiemployerPlanNameAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MultiemployerPlanNameAxis_lbl" xml:lang="en-US">Multiemployer Plan Name [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MultiemployerPlanNameAxis_lbl" xml:lang="en-US">Information by legal name of a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MultiemployerPlanNameDomain" xlink:label="wm_MultiemployerPlanNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MultiemployerPlanNameDomain" xlink:to="wm_MultiemployerPlanNameDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MultiemployerPlanNameDomain_lbl" xml:lang="en-US">Multiemployer Plan Name [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MultiemployerPlanNameDomain_lbl" xml:lang="en-US">Legal names of pension or postretirement benefit plans to which two or more unrelated employers contribute to the same plan where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MultiemployerPlansLineItems" xlink:label="wm_MultiemployerPlansLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MultiemployerPlansLineItems" xlink:to="wm_MultiemployerPlansLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MultiemployerPlansLineItems_lbl" xml:lang="en-US">Multiemployer Plans [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MultiemployerPlansLineItems_lbl" xml:lang="en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EntityTaxIdentificationNumberOrMultiemployerPlanNumber" xlink:label="wm_EntityTaxIdentificationNumberOrMultiemployerPlanNumber" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EntityTaxIdentificationNumberOrMultiemployerPlanNumber" xlink:to="wm_EntityTaxIdentificationNumberOrMultiemployerPlanNumber_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EntityTaxIdentificationNumberOrMultiemployerPlanNumber_lbl" xml:lang="en-US">Entity Tax Identification Number or Multiemployer Plan Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EntityTaxIdentificationNumberOrMultiemployerPlanNumber_lbl" xml:lang="en-US">EIN/Pension Plan Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EntityTaxIdentificationNumberOrMultiemployerPlanNumber_lbl" xml:lang="en-US">The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS, or three digit plan number for a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MultiemployerPlansCertifiedZoneStatus" xlink:label="wm_MultiemployerPlansCertifiedZoneStatus" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MultiemployerPlansCertifiedZoneStatus" xlink:to="wm_MultiemployerPlansCertifiedZoneStatus_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MultiemployerPlansCertifiedZoneStatus_lbl" xml:lang="en-US">Multiemployer Plans Certified Zone Status</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_MultiemployerPlansCertifiedZoneStatus_lbl" xml:lang="en-US">Pension Protection Act Zone Status</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MultiemployerPlansCertifiedZoneStatus_lbl" xml:lang="en-US">Indicate the multiemployer plan's certified zone status as currently required by the Pension Protection Act of 2006 or a subsequent amendment thereof. The zone status categories are red (critical status), orange (seriously endangered), yellow (endangered), and green (none of the above). The acceptable values are "red", "orange", "yellow", "green", "other", and "NA".  A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" xlink:label="wm_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" xlink:to="wm_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan_lbl" xml:lang="en-US">Multiemployer Plans Funding Improvement Plan and Rehabilitation Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan_lbl" xml:lang="en-US">FIP/RP Status</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan_lbl" xml:lang="en-US">Indicate whether a funding improvement plan or rehabilitation plan has been implemented or is pending for a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. The acceptable values are "no", "pending", "implemented", "other", and "NA".</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MultiemployerPlansCollectiveBargainingArrangementExpirationDate" xlink:label="wm_MultiemployerPlansCollectiveBargainingArrangementExpirationDate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MultiemployerPlansCollectiveBargainingArrangementExpirationDate" xlink:to="wm_MultiemployerPlansCollectiveBargainingArrangementExpirationDate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MultiemployerPlansCollectiveBargainingArrangementExpirationDate_lbl" xml:lang="en-US">Multiemployer Plans Collective Bargaining Arrangement Expiration Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_MultiemployerPlansCollectiveBargainingArrangementExpirationDate_lbl" xml:lang="en-US">Expiration Date of Collective-Bargaining Agreement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MultiemployerPlansCollectiveBargainingArrangementExpirationDate_lbl" xml:lang="en-US">Expiration date of the collective bargaining arrangement requiring contributions to the multiemployer plan, in CCYY-MM-DD format. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AutomotiveIndustriesPensionPlanMember" xlink:label="wm_AutomotiveIndustriesPensionPlanMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AutomotiveIndustriesPensionPlanMember" xlink:to="wm_AutomotiveIndustriesPensionPlanMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AutomotiveIndustriesPensionPlanMember_lbl" xml:lang="en-US">Automotive Industries Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AutomotiveIndustriesPensionPlanMember_lbl" xml:lang="en-US">Automotive Industries Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AutomotiveIndustriesPensionPlanMember_lbl" xml:lang="en-US">Automotive industries pension plan.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_WesternConferenceOfTeamstersPensionPlanMember" xlink:label="wm_WesternConferenceOfTeamstersPensionPlanMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WesternConferenceOfTeamstersPensionPlanMember" xlink:to="wm_WesternConferenceOfTeamstersPensionPlanMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WesternConferenceOfTeamstersPensionPlanMember_lbl" xml:lang="en-US">Western Conference of Teamsters Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WesternConferenceOfTeamstersPensionPlanMember_lbl" xml:lang="en-US">Western conference of teamsters pension plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_WesternConferenceOfTeamstersPensionPlanMember_lbl" xml:lang="en-US">Western Conference of Teamsters Pension Plan [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CentralStatusSoutheastAndSouthwestAreasPensionPlanMember" xlink:label="wm_CentralStatusSoutheastAndSouthwestAreasPensionPlanMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CentralStatusSoutheastAndSouthwestAreasPensionPlanMember" xlink:to="wm_CentralStatusSoutheastAndSouthwestAreasPensionPlanMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CentralStatusSoutheastAndSouthwestAreasPensionPlanMember_lbl" xml:lang="en-US">Central Status Southeast and Southwest Areas Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CentralStatusSoutheastAndSouthwestAreasPensionPlanMember_lbl" xml:lang="en-US">Central status Southeast and Southwest areas pension plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CentralStatusSoutheastAndSouthwestAreasPensionPlanMember_lbl" xml:lang="en-US">Central Status Southeast and Southwest Areas Pension Plan [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LocalNineHundredFortyFivePensionFundMember" xlink:label="wm_LocalNineHundredFortyFivePensionFundMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LocalNineHundredFortyFivePensionFundMember" xlink:to="wm_LocalNineHundredFortyFivePensionFundMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LocalNineHundredFortyFivePensionFundMember_lbl" xml:lang="en-US">Local Nine Hundred Forty Five Pension Fund [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LocalNineHundredFortyFivePensionFundMember_lbl" xml:lang="en-US">Teamsters Employers Local 945 Pension Fund [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LocalNineHundredFortyFivePensionFundMember_lbl" xml:lang="en-US">Local nine hundred forty five pension fund.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_WesternPennsylvaniaTeamstersAndEmployersPensionPlanMember" xlink:label="wm_WesternPennsylvaniaTeamstersAndEmployersPensionPlanMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WesternPennsylvaniaTeamstersAndEmployersPensionPlanMember" xlink:to="wm_WesternPennsylvaniaTeamstersAndEmployersPensionPlanMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WesternPennsylvaniaTeamstersAndEmployersPensionPlanMember_lbl" xml:lang="en-US">Western Pennsylvania Teamsters and Employers Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WesternPennsylvaniaTeamstersAndEmployersPensionPlanMember_lbl" xml:lang="en-US">Western Pennsylvania teamsters and employers pension plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_WesternPennsylvaniaTeamstersAndEmployersPensionPlanMember_lbl" xml:lang="en-US">Western Pennsylvania Teamsters and Employers Pension Plan [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NewEnglandTeamstersAndTruckingIndustryPensionFundMember" xlink:label="wm_NewEnglandTeamstersAndTruckingIndustryPensionFundMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NewEnglandTeamstersAndTruckingIndustryPensionFundMember" xlink:to="wm_NewEnglandTeamstersAndTruckingIndustryPensionFundMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NewEnglandTeamstersAndTruckingIndustryPensionFundMember_lbl" xml:lang="en-US">New England Teamsters and Trucking Industry Pension Fund [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NewEnglandTeamstersAndTruckingIndustryPensionFundMember_lbl" xml:lang="en-US">New England teamsters and trucking industry pension fund.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NewEnglandTeamstersAndTruckingIndustryPensionFundMember_lbl" xml:lang="en-US">New England Teamsters and Trucking Industry Pension Fund [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EmployeeBenefitPlansTablesAbstract" xlink:label="wm_EmployeeBenefitPlansTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EmployeeBenefitPlansTablesAbstract" xlink:to="wm_EmployeeBenefitPlansTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EmployeeBenefitPlansTablesAbstract_lbl" xml:lang="en-US">Employee Benefit Plans (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EmployeeBenefitPlansTablesAbstract_lbl" xml:lang="en-US">Employee benefit plans.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SuburbanTeamstersOfNorthernIllinoisPensionPlanMember" xlink:label="wm_SuburbanTeamstersOfNorthernIllinoisPensionPlanMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SuburbanTeamstersOfNorthernIllinoisPensionPlanMember" xlink:to="wm_SuburbanTeamstersOfNorthernIllinoisPensionPlanMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SuburbanTeamstersOfNorthernIllinoisPensionPlanMember_lbl" xml:lang="en-US">Suburban Teamsters of Northern Illinois Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SuburbanTeamstersOfNorthernIllinoisPensionPlanMember_lbl" xml:lang="en-US">Suburban Teamsters of Northern Illinois Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SuburbanTeamstersOfNorthernIllinoisPensionPlanMember_lbl" xml:lang="en-US">Suburban teamsters of Northern Illinois pension plan.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MultiemployerPlanContributionAbstract" xlink:label="wm_MultiemployerPlanContributionAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MultiemployerPlanContributionAbstract" xlink:to="wm_MultiemployerPlanContributionAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MultiemployerPlanContributionAbstract_lbl" xml:lang="en-US">Multiemployer Plan Contribution [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_MultiemployerPlanContributionAbstract_lbl" xml:lang="en-US">Multiemployer plan contribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MultiemployerPlanContributionAbstract_lbl" xml:lang="en-US">Multiemployer plan contribution.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MultiemployerPlansPlanContributions" xlink:label="wm_MultiemployerPlansPlanContributions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MultiemployerPlansPlanContributions" xlink:to="wm_MultiemployerPlansPlanContributions_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MultiemployerPlansPlanContributions_lbl" xml:lang="en-US">Multiemployer Plans Plan Contributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_MultiemployerPlansPlanContributions_lbl" xml:lang="en-US">Total contributions to multiemployer defined benefit pension plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MultiemployerPlansPlanContributions_lbl" xml:lang="en-US">Amount of contributions made to multiemployer plans. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AfterTaxAdjustmentsForReclassificationOfGainsOrLossesFromAccumulatedOtherComprehensiveIncomeIntoIncomeElectricityCommodityDerivatives" xlink:label="wm_AfterTaxAdjustmentsForReclassificationOfGainsOrLossesFromAccumulatedOtherComprehensiveIncomeIntoIncomeElectricityCommodityDerivatives" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AfterTaxAdjustmentsForReclassificationOfGainsOrLossesFromAccumulatedOtherComprehensiveIncomeIntoIncomeElectricityCommodityDerivatives" xlink:to="wm_AfterTaxAdjustmentsForReclassificationOfGainsOrLossesFromAccumulatedOtherComprehensiveIncomeIntoIncomeElectricityCommodityDerivatives_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AfterTaxAdjustmentsForReclassificationOfGainsOrLossesFromAccumulatedOtherComprehensiveIncomeIntoIncomeElectricityCommodityDerivatives_lbl" xml:lang="en-US">After Tax Adjustments for Reclassification of Gains or Losses from Accumulated Other Comprehensive Income into Income Electricity Commodity Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AfterTaxAdjustmentsForReclassificationOfGainsOrLossesFromAccumulatedOtherComprehensiveIncomeIntoIncomeElectricityCommodityDerivatives_lbl" xml:lang="en-US">After-tax adjustments for the reclassification of gains or (losses) from accumulated other comprehensive income into income, electricity commodity derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AfterTaxAdjustmentsForReclassificationOfGainsOrLossesFromAccumulatedOtherComprehensiveIncomeIntoIncomeElectricityCommodityDerivatives_lbl" xml:lang="en-US">After-tax adjustments for the reclassification of gains or (losses) from accumulated other comprehensive income into income, electricity commodity derivatives.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ScheduleOfIndividuallySignificantMultiemployerPlansTableTextBlock" xlink:label="wm_ScheduleOfIndividuallySignificantMultiemployerPlansTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ScheduleOfIndividuallySignificantMultiemployerPlansTableTextBlock" xlink:to="wm_ScheduleOfIndividuallySignificantMultiemployerPlansTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ScheduleOfIndividuallySignificantMultiemployerPlansTableTextBlock_lbl" xml:lang="en-US">Schedule of Individually Significant Multiemployer Plans [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ScheduleOfIndividuallySignificantMultiemployerPlansTableTextBlock_lbl" xml:lang="en-US">Individually Significant Multiemployer Pension Plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ScheduleOfIndividuallySignificantMultiemployerPlansTableTextBlock_lbl" xml:lang="en-US">Tabular disclosure of the quantitative and qualitative information related to individually significant multiemployer pension plans in which the employer participates A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MultiemployerPlanContributionsTableTextBlock" xlink:label="wm_MultiemployerPlanContributionsTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MultiemployerPlanContributionsTableTextBlock" xlink:to="wm_MultiemployerPlanContributionsTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MultiemployerPlanContributionsTableTextBlock_lbl" xml:lang="en-US">Multiemployer Plan Contributions [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_MultiemployerPlanContributionsTableTextBlock_lbl" xml:lang="en-US">Multiemployer plan contribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MultiemployerPlanContributionsTableTextBlock_lbl" xml:lang="en-US">Multiemployer plan contributions.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PreTaxAdjustmentsForReclassificationOfGainsOrLossesFromAccumulatedOtherComprehensiveIncomeIntoIncomeElectricityCommodityDerivatives" xlink:label="wm_PreTaxAdjustmentsForReclassificationOfGainsOrLossesFromAccumulatedOtherComprehensiveIncomeIntoIncomeElectricityCommodityDerivatives" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PreTaxAdjustmentsForReclassificationOfGainsOrLossesFromAccumulatedOtherComprehensiveIncomeIntoIncomeElectricityCommodityDerivatives" xlink:to="wm_PreTaxAdjustmentsForReclassificationOfGainsOrLossesFromAccumulatedOtherComprehensiveIncomeIntoIncomeElectricityCommodityDerivatives_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PreTaxAdjustmentsForReclassificationOfGainsOrLossesFromAccumulatedOtherComprehensiveIncomeIntoIncomeElectricityCommodityDerivatives_lbl" xml:lang="en-US">Pre tax adjustments for the reclassification of gains or losses from accumulated other comprehensive income into income electricity commodity derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PreTaxAdjustmentsForReclassificationOfGainsOrLossesFromAccumulatedOtherComprehensiveIncomeIntoIncomeElectricityCommodityDerivatives_lbl" xml:lang="en-US">Pre-tax adjustments for the reclassification of gains or (losses) from accumulated other comprehensive income into income, electricity commodity derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PreTaxAdjustmentsForReclassificationOfGainsOrLossesFromAccumulatedOtherComprehensiveIncomeIntoIncomeElectricityCommodityDerivatives_lbl" xml:lang="en-US">Pre-tax adjustments for the reclassification of gains or (losses) from accumulated other comprehensive income into income, electricity commodity derivatives.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IndividualSignificantMultiemployerPlansContributions" xlink:label="wm_IndividualSignificantMultiemployerPlansContributions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IndividualSignificantMultiemployerPlansContributions" xlink:to="wm_IndividualSignificantMultiemployerPlansContributions_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IndividualSignificantMultiemployerPlansContributions_lbl" xml:lang="en-US">Individual Significant Multiemployer Plans Contributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IndividualSignificantMultiemployerPlansContributions_lbl" xml:lang="en-US">Contributions to individually significant multiemployer defined benefit pension plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IndividualSignificantMultiemployerPlansContributions_lbl" xml:lang="en-US">Individual significant multiemployer plans contributions.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ContributionsToMultiemployerPlansExcludingIndividuallySignificantPlans" xlink:label="wm_ContributionsToMultiemployerPlansExcludingIndividuallySignificantPlans" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ContributionsToMultiemployerPlansExcludingIndividuallySignificantPlans" xlink:to="wm_ContributionsToMultiemployerPlansExcludingIndividuallySignificantPlans_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ContributionsToMultiemployerPlansExcludingIndividuallySignificantPlans_lbl" xml:lang="en-US">Contributions to multiemployer plans excluding individually significant plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ContributionsToMultiemployerPlansExcludingIndividuallySignificantPlans_lbl" xml:lang="en-US">Contributions to all other multiemployer defined benefit pension plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ContributionsToMultiemployerPlansExcludingIndividuallySignificantPlans_lbl" xml:lang="en-US">Contributions to multiemployer plans excluding individually significant plans.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DomesticFederalStatutoryIncomeTaxRateReconciledToEffectiveRateTableTextBlock" xlink:label="wm_DomesticFederalStatutoryIncomeTaxRateReconciledToEffectiveRateTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DomesticFederalStatutoryIncomeTaxRateReconciledToEffectiveRateTableTextBlock" xlink:to="wm_DomesticFederalStatutoryIncomeTaxRateReconciledToEffectiveRateTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DomesticFederalStatutoryIncomeTaxRateReconciledToEffectiveRateTableTextBlock_lbl" xml:lang="en-US">Domestic Federal Statutory Income Tax Rate Reconciled to Effective Rate [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DomesticFederalStatutoryIncomeTaxRateReconciledToEffectiveRateTableTextBlock_lbl" xml:lang="en-US">U.S. federal statutory income tax rate reconciled to effective rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DomesticFederalStatutoryIncomeTaxRateReconciledToEffectiveRateTableTextBlock_lbl" xml:lang="en-US">Domestic federal statutory income tax rate reconciled to effective rate.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SupplementalCashFlowInformationPolicyTextBlock" xlink:label="wm_SupplementalCashFlowInformationPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SupplementalCashFlowInformationPolicyTextBlock" xlink:to="wm_SupplementalCashFlowInformationPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SupplementalCashFlowInformationPolicyTextBlock_lbl" xml:lang="en-US">Supplemental Cash Flow Information [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SupplementalCashFlowInformationPolicyTextBlock_lbl" xml:lang="en-US">Supplemental Cash Flow Information</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SupplementalCashFlowInformationPolicyTextBlock_lbl" xml:lang="en-US">Supplemental cash flow information.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:to="lab_LineOfCreditFacilityRemainingBorrowingCapacity" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityRemainingBorrowingCapacity" xml:lang="en-US">Line of Credit Facility, Remaining Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditFacilityRemainingBorrowingCapacity" xml:lang="en-US">Unused and available credit capacity, letter of credit facilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xml:lang="en-US">Derivative Instruments and Hedging Activities</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_FairValueOfInterestRateDerivativesClassifiedAsCurrentLiabilities" xlink:label="wm_FairValueOfInterestRateDerivativesClassifiedAsCurrentLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FairValueOfInterestRateDerivativesClassifiedAsCurrentLiabilities" xlink:to="wm_FairValueOfInterestRateDerivativesClassifiedAsCurrentLiabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FairValueOfInterestRateDerivativesClassifiedAsCurrentLiabilities_lbl" xml:lang="en-US">Fair Value of Interest Rate Derivatives Classified as Current Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_FairValueOfInterestRateDerivativesClassifiedAsCurrentLiabilities_lbl" xml:lang="en-US">Fair value of forward-starting swaps (interest rate derivatives) included in current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FairValueOfInterestRateDerivativesClassifiedAsCurrentLiabilities_lbl" xml:lang="en-US">Fair value of interest rate derivatives classified as current liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xml:lang="en-US">Income Tax Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xml:lang="en-US">Income Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeTaxExpenseBenefitContinuingOperationsAbstract" xml:lang="en-US">Income Tax Expense (Benefit), Continuing Operations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeTaxExpenseBenefitContinuingOperationsAbstract" xml:lang="en-US">Provision for Income Taxes</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PercentageOfEmployersContributionInDefinedBenefitPlanTableTextBlock" xlink:label="wm_PercentageOfEmployersContributionInDefinedBenefitPlanTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PercentageOfEmployersContributionInDefinedBenefitPlanTableTextBlock" xlink:to="wm_PercentageOfEmployersContributionInDefinedBenefitPlanTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PercentageOfEmployersContributionInDefinedBenefitPlanTableTextBlock_lbl" xml:lang="en-US">Percentage of Employer's Contribution in Defined Benefit Plan [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PercentageOfEmployersContributionInDefinedBenefitPlanTableTextBlock_lbl" xml:lang="en-US">Percentage of employer's contribution in defined benefit plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PercentageOfEmployersContributionInDefinedBenefitPlanTableTextBlock_lbl" xml:lang="en-US">Percentage of employer's contribution in defined benefit plan</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PercentageOfEmployersContributionInDefinedBenefitPlanAbstract" xlink:label="wm_PercentageOfEmployersContributionInDefinedBenefitPlanAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PercentageOfEmployersContributionInDefinedBenefitPlanAbstract" xlink:to="wm_PercentageOfEmployersContributionInDefinedBenefitPlanAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PercentageOfEmployersContributionInDefinedBenefitPlanAbstract_lbl" xml:lang="en-US">Percentage of Employer's Contribution in Defined Benefit Plan [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PercentageOfEmployersContributionInDefinedBenefitPlanAbstract_lbl" xml:lang="en-US">Year Contributions to Plan Exceeded 5% of Total Contributions (as of Plan's Year End) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PercentageOfEmployersContributionInDefinedBenefitPlanAbstract_lbl" xml:lang="en-US">Percentage of employer's contribution in defined benefit plan.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LocalSevenHundredThirtyOnePrivateScavengersAndGarageAttendantsPensionTrustFundMember" xlink:label="wm_LocalSevenHundredThirtyOnePrivateScavengersAndGarageAttendantsPensionTrustFundMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LocalSevenHundredThirtyOnePrivateScavengersAndGarageAttendantsPensionTrustFundMember" xlink:to="wm_LocalSevenHundredThirtyOnePrivateScavengersAndGarageAttendantsPensionTrustFundMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LocalSevenHundredThirtyOnePrivateScavengersAndGarageAttendantsPensionTrustFundMember_lbl" xml:lang="en-US">Local Seven Hundred Thirty One Private Scavengers and Garage Attendants Pension Trust Fund [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LocalSevenHundredThirtyOnePrivateScavengersAndGarageAttendantsPensionTrustFundMember_lbl" xml:lang="en-US">Local 731 Private Scavengers and Garage Attendants Pension Trust Fund [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LocalSevenHundredThirtyOnePrivateScavengersAndGarageAttendantsPensionTrustFundMember_lbl" xml:lang="en-US">Local seven hundred thirty one private scavengers and garage attendants pension trust fund.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PercentageOfEstimatedPayoutVestedMinimum" xlink:label="wm_PercentageOfEstimatedPayoutVestedMinimum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PercentageOfEstimatedPayoutVestedMinimum" xlink:to="wm_PercentageOfEstimatedPayoutVestedMinimum_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PercentageOfEstimatedPayoutVestedMinimum_lbl" xml:lang="en-US">Percentage of Estimated Payout Vested, Minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PercentageOfEstimatedPayoutVestedMinimum_lbl" xml:lang="en-US">Percentage of estimated payout vested, minimum.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PercentageOfEstimatedPayoutVestedMinimum_lbl" xml:lang="en-US">Percentage of estimated payout vested, minimum</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PercentageOfEstimatedPayoutVestedMaximum" xlink:label="wm_PercentageOfEstimatedPayoutVestedMaximum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PercentageOfEstimatedPayoutVestedMaximum" xlink:to="wm_PercentageOfEstimatedPayoutVestedMaximum_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PercentageOfEstimatedPayoutVestedMaximum_lbl" xml:lang="en-US">Percentage of Estimated Payout Vested, Maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PercentageOfEstimatedPayoutVestedMaximum_lbl" xml:lang="en-US">Percentage of estimated payout vested, maximum.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PercentageOfEstimatedPayoutVestedMaximum_lbl" xml:lang="en-US">Percentage of estimated payout vested, maximum</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TaxExemptBondSubjectToRePricingClassifiedAsLongTermDebt" xlink:label="wm_TaxExemptBondSubjectToRePricingClassifiedAsLongTermDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TaxExemptBondSubjectToRePricingClassifiedAsLongTermDebt" xlink:to="wm_TaxExemptBondSubjectToRePricingClassifiedAsLongTermDebt_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TaxExemptBondSubjectToRePricingClassifiedAsLongTermDebt_lbl" xml:lang="en-US">Tax Exempt Bond Subject to Re-pricing Classified as Long Term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TaxExemptBondSubjectToRePricingClassifiedAsLongTermDebt_lbl" xml:lang="en-US">Tax-exempt bonds subject to re-pricing within next 12 months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TaxExemptBondSubjectToRePricingClassifiedAsLongTermDebt_lbl" xml:lang="en-US">Tax-exempt bond subject to re-pricing classified as long-term debt.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AdjustmentsToPreliminaryPurchasePriceAllocationTableTextBlock" xlink:label="wm_AdjustmentsToPreliminaryPurchasePriceAllocationTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AdjustmentsToPreliminaryPurchasePriceAllocationTableTextBlock" xlink:to="wm_AdjustmentsToPreliminaryPurchasePriceAllocationTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AdjustmentsToPreliminaryPurchasePriceAllocationTableTextBlock_lbl" xml:lang="en-US">Adjustments to Preliminary Purchase Price Allocation [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AdjustmentsToPreliminaryPurchasePriceAllocationTableTextBlock_lbl" xml:lang="en-US">Adjustments to preliminary purchase price allocation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AdjustmentsToPreliminaryPurchasePriceAllocationTableTextBlock_lbl" xml:lang="en-US">Adjustments to preliminary purchase price allocation</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScenarioAdjustmentMember" xlink:label="us-gaap_ScenarioAdjustmentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScenarioAdjustmentMember" xlink:to="lab_ScenarioAdjustmentMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScenarioAdjustmentMember" xml:lang="en-US">Scenario, Adjustment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScenarioAdjustmentMember" xml:lang="en-US">Adjustments [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AmountPaidInDepositsForAcquisitionsNotClosed" xlink:label="wm_AmountPaidInDepositsForAcquisitionsNotClosed" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AmountPaidInDepositsForAcquisitionsNotClosed" xlink:to="wm_AmountPaidInDepositsForAcquisitionsNotClosed_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AmountPaidInDepositsForAcquisitionsNotClosed_lbl" xml:lang="en-US">Amount Paid in Deposits for Acquisitions not Closed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AmountPaidInDepositsForAcquisitionsNotClosed_lbl" xml:lang="en-US">Amount paid in deposits for acquisitions not closed.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AmountPaidInDepositsForAcquisitionsNotClosed_lbl" xml:lang="en-US">Amount paid in deposits for acquisitions not closed</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="us-gaap_StatementScenarioAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementScenarioAxis" xlink:to="lab_StatementScenarioAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementScenarioAxis" xml:lang="en-US">Statement, Scenario [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="us-gaap_ScenarioUnspecifiedDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScenarioUnspecifiedDomain" xlink:to="lab_ScenarioUnspecifiedDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScenarioUnspecifiedDomain" xml:lang="en-US">Scenario, Unspecified [Domain]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ChargesRelatedToCostSavingPrograms" xlink:label="wm_ChargesRelatedToCostSavingPrograms" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ChargesRelatedToCostSavingPrograms" xlink:to="wm_ChargesRelatedToCostSavingPrograms_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ChargesRelatedToCostSavingPrograms_lbl" xml:lang="en-US">Charges Related to Cost Saving Programs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ChargesRelatedToCostSavingPrograms_lbl" xml:lang="en-US">Charges related to cost saving programs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ChargesRelatedToCostSavingPrograms_lbl" xml:lang="en-US">Charges related to cost saving programs.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ImpairmentChargesOfMedicalWasteServicesAndFacilitiesBeforeTax" xlink:label="wm_ImpairmentChargesOfMedicalWasteServicesAndFacilitiesBeforeTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ImpairmentChargesOfMedicalWasteServicesAndFacilitiesBeforeTax" xlink:to="wm_ImpairmentChargesOfMedicalWasteServicesAndFacilitiesBeforeTax_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ImpairmentChargesOfMedicalWasteServicesAndFacilitiesBeforeTax_lbl" xml:lang="en-US">Impairment Charges Of Medical Waste Services And Facilities Before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ImpairmentChargesOfMedicalWasteServicesAndFacilitiesBeforeTax_lbl" xml:lang="en-US">Impairment charges of medical waste services and facilities before tax.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ImpairmentChargesOfMedicalWasteServicesAndFacilitiesBeforeTax_lbl" xml:lang="en-US">Impairment charges of medical waste services and facilities before tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SubsidiariesMember" xml:lang="en-US">Subsidiaries [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SubsidiariesMember" xml:lang="en-US">Subsidiaries [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GuarantorSubsidiariesMember" xml:lang="en-US">Guarantor Subsidiaries [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GuarantorSubsidiariesMember" xml:lang="en-US">WM Holdings [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NonGuarantorSubsidiariesMember" xml:lang="en-US">Non-Guarantor Subsidiaries [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NonGuarantorSubsidiariesMember" xml:lang="en-US">Non-Guarantor Subsidiaries [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ConsolidationEliminationsMember" xml:lang="en-US">Consolidation, Eliminations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ConsolidationEliminationsMember" xml:lang="en-US">Eliminations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTextBlock_lbl" xml:lang="en-US">Schedule of Condensed Financial Statements [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTextBlock_lbl" xml:lang="en-US">Condensed Consolidating Financial Statements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US">Payments to Acquire Businesses, Net of Cash Acquired</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US">Acquisition of businesses, net of cash acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US">Borrowing under revolving credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US">Acquisitions of businesses, net of cash acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US">Total consideration, net of cash acquired, for business acquisition</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PositivelyAffectedDilutedEarningsPerCommonShareRelatedToIncomeTaxProvision" xlink:label="wm_PositivelyAffectedDilutedEarningsPerCommonShareRelatedToIncomeTaxProvision" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PositivelyAffectedDilutedEarningsPerCommonShareRelatedToIncomeTaxProvision" xlink:to="wm_PositivelyAffectedDilutedEarningsPerCommonShareRelatedToIncomeTaxProvision_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PositivelyAffectedDilutedEarningsPerCommonShareRelatedToIncomeTaxProvision_lbl" xml:lang="en-US">Positively Affected Diluted Earnings Per Common Share Related to Income Tax Provision</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PositivelyAffectedDilutedEarningsPerCommonShareRelatedToIncomeTaxProvision_lbl" xml:lang="en-US">Positively affected diluted earnings per common share related to income tax provision.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PositivelyAffectedDilutedEarningsPerCommonShareRelatedToIncomeTaxProvision_lbl" xml:lang="en-US">Positively affected diluted earnings per common share related to income tax provision</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RailroadTransportationEquipmentMember" xml:lang="en-US">Railroad Transportation Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RailroadTransportationEquipmentMember" xml:lang="en-US">Vehicles - rail haul cars [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MachineryAndEquipmentMember" xml:lang="en-US">Machinery and Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MachineryAndEquipmentMember" xml:lang="en-US">Machinery and equipment - including containers [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SupplementalCashFlowInformationAbstract" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SupplementalCashFlowInformationAbstract" xml:lang="en-US">Supplemental Cash Flow Information</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ScheduleOfRealEstatePropertiesTable" xlink:label="wm_ScheduleOfRealEstatePropertiesTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ScheduleOfRealEstatePropertiesTable" xlink:to="wm_ScheduleOfRealEstatePropertiesTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ScheduleOfRealEstatePropertiesTable_lbl" xml:lang="en-US">Schedule of Real Estate Properties [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ScheduleOfRealEstatePropertiesTable_lbl" xml:lang="en-US">Schedule detailing quantitative information concerning real estate properties and units within those properties by ownership of the property.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RealEstatePropertiesAxis" xlink:label="wm_RealEstatePropertiesAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RealEstatePropertiesAxis" xlink:to="wm_RealEstatePropertiesAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RealEstatePropertiesAxis_lbl" xml:lang="en-US">Real Estate Properties [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RealEstatePropertiesAxis_lbl" xml:lang="en-US">Information by ownership of the property.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RealEstatePropertiesDomain" xlink:label="wm_RealEstatePropertiesDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RealEstatePropertiesDomain" xlink:to="wm_RealEstatePropertiesDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RealEstatePropertiesDomain_lbl" xml:lang="en-US">Real Estate Properties [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RealEstatePropertiesDomain_lbl" xml:lang="en-US">Represents categories of ownership of real estate properties.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RealEstatePropertiesLineItems" xlink:label="wm_RealEstatePropertiesLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RealEstatePropertiesLineItems" xlink:to="wm_RealEstatePropertiesLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RealEstatePropertiesLineItems_lbl" xml:lang="en-US">Real Estate Properties [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RealEstatePropertiesLineItems_lbl" xml:lang="en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SummaryOfSignificantAccountingPoliciesAdditionalTextualAbstract" xlink:label="wm_SummaryOfSignificantAccountingPoliciesAdditionalTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SummaryOfSignificantAccountingPoliciesAdditionalTextualAbstract" xlink:to="wm_SummaryOfSignificantAccountingPoliciesAdditionalTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SummaryOfSignificantAccountingPoliciesAdditionalTextualAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies (Additional) (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SummaryOfSignificantAccountingPoliciesAdditionalTextualAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SummaryOfSignificantAccountingPoliciesAdditionalTextualAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies (Additional) (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:to="lab_ProceedsFromIssuanceOfOtherLongTermDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromIssuanceOfOtherLongTermDebt" xml:lang="en-US">Proceeds from Issuance of Other Long-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromIssuanceOfOtherLongTermDebt" xml:lang="en-US">New borrowings, capital leases and other debt</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisitionsOfBusinesses" xlink:label="wm_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisitionsOfBusinesses" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisitionsOfBusinesses" xlink:to="wm_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisitionsOfBusinesses_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisitionsOfBusinesses_lbl" xml:lang="en-US">Unrecognized Tax Benefits, Increases Resulting from Acquisitions of Businesses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisitionsOfBusinesses_lbl" xml:lang="en-US">Additions due to acquisitions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisitionsOfBusinesses_lbl" xml:lang="en-US">Unrecognized tax benefits, increases resulting from acquisitions of businesses.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncreaseInValuationAllowanceDueToAcquisition" xlink:label="wm_IncreaseInValuationAllowanceDueToAcquisition" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncreaseInValuationAllowanceDueToAcquisition" xlink:to="wm_IncreaseInValuationAllowanceDueToAcquisition_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncreaseInValuationAllowanceDueToAcquisition_lbl" xml:lang="en-US">Increase in Valuation Allowance Due to Acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncreaseInValuationAllowanceDueToAcquisition_lbl" xml:lang="en-US">Increase in valuation allowance due to acquisition of Oakleaf</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncreaseInValuationAllowanceDueToAcquisition_lbl" xml:lang="en-US">Increase in valuation allowance due to acquisition.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PercentageOfEmployersContributionInPensionPlan" xlink:label="wm_PercentageOfEmployersContributionInPensionPlan" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PercentageOfEmployersContributionInPensionPlan" xlink:to="wm_PercentageOfEmployersContributionInPensionPlan_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PercentageOfEmployersContributionInPensionPlan_lbl" xml:lang="en-US">Percentage of Employers Contribution in Pension Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PercentageOfEmployersContributionInPensionPlan_lbl" xml:lang="en-US">Year Contributions to Plan Exceeded 5% of Total Contributions (as of Plan's Year End)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PercentageOfEmployersContributionInPensionPlan_lbl" xml:lang="en-US">Percentage of employers contribution in pension plan.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MaximumAmountOfFundProvidedUnderSecuredLoanFacility" xlink:label="wm_MaximumAmountOfFundProvidedUnderSecuredLoanFacility" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MaximumAmountOfFundProvidedUnderSecuredLoanFacility" xlink:to="wm_MaximumAmountOfFundProvidedUnderSecuredLoanFacility_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MaximumAmountOfFundProvidedUnderSecuredLoanFacility_lbl" xml:lang="en-US">Maximum Amount of Fund Provided Under Secured Loan Facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_MaximumAmountOfFundProvidedUnderSecuredLoanFacility_lbl" xml:lang="en-US">Maximum amount of fund provided under secured loan facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MaximumAmountOfFundProvidedUnderSecuredLoanFacility_lbl" xml:lang="en-US">Maximum amount of fund provided under secured loan facility.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CapitalStockDividendsAndShareRepurchasesAbstract" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CapitalStockDividendsAndShareRepurchasesAbstract" xlink:to="wm_CapitalStockDividendsAndShareRepurchasesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesAbstract_lbl" xml:lang="en-US">Capital Stock, Dividends and Share Repurchases [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesAbstract_lbl" xml:lang="en-US">Capital stock, dividends and share repurchases.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CapitalStockDividendsAndShareRepurchasesTextBlock" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CapitalStockDividendsAndShareRepurchasesTextBlock" xlink:to="wm_CapitalStockDividendsAndShareRepurchasesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesTextBlock_lbl" xml:lang="en-US">Capital Stock Dividends and Share Repurchases [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesTextBlock_lbl" xml:lang="en-US">Capital Stock, Dividends and Share Repurchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesTextBlock_lbl" xml:lang="en-US">Capital stock, dividends and share repurchases.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_QuarterlyFinancialDataAbstract" xml:lang="en-US">Quarterly Financial Data (Unaudited) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CapitalStockDividendsAndShareRepurchasesTablesAbstract" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CapitalStockDividendsAndShareRepurchasesTablesAbstract" xlink:to="wm_CapitalStockDividendsAndShareRepurchasesTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesTablesAbstract_lbl" xml:lang="en-US">Capital Stock, Dividends and Share Repurchases (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesTablesAbstract_lbl" xml:lang="en-US">Capital Stock, dividends and share repurchases.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriodWeightedAverageGrantDateFairValue" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriodWeightedAverageGrantDateFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriodWeightedAverageGrantDateFairValue" xlink:to="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriodWeightedAverageGrantDateFairValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other Than Options Expired Without Vesting in Period Weighted Average Grant Date Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US">Expired without vesting, weighted average fair value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award equity instruments other than options expired without vesting in period weighted average grant date fair value.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm" xml:lang="en-US">Weighted average remaining years</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:label="wm_AllocatedShareBasedCompensationExpenseNetOfTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:to="wm_AllocatedShareBasedCompensationExpenseNetOfTax_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AllocatedShareBasedCompensationExpenseNetOfTax_lbl" xml:lang="en-US">Allocated Share Based Compensation Expense Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AllocatedShareBasedCompensationExpenseNetOfTax_lbl" xml:lang="en-US">Increase in annual compensation expense due to employee stock purchase plan, net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AllocatedShareBasedCompensationExpenseNetOfTax_lbl" xml:lang="en-US">Allocated share based compensation expense, net of tax.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber" xlink:to="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber_lbl" xml:lang="en-US">Vested deferred units outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award equity instruments other than options outstanding number.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Expiration Dating</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" xml:lang="en-US">Term of options</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" xml:lang="en-US">Vesting period of awards</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPrice" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPrice" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPrice" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPrice" xml:lang="en-US">Price at which employees are able to purchase shares of common stock of company at end of each offering period</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesIssuedBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesIssuedBasic" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesIssuedBasic" xlink:to="lab_WeightedAverageNumberOfSharesIssuedBasic" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WeightedAverageNumberOfSharesIssuedBasic" xml:lang="en-US">Weighted Average Number of Shares Issued, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_WeightedAverageNumberOfSharesIssuedBasic" xml:lang="en-US">Effect of using weighted average common shares outstanding</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_VariableInterestEntityThirdPartyOwnershipPercentage" xlink:label="wm_VariableInterestEntityThirdPartyOwnershipPercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VariableInterestEntityThirdPartyOwnershipPercentage" xlink:to="wm_VariableInterestEntityThirdPartyOwnershipPercentage_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VariableInterestEntityThirdPartyOwnershipPercentage_lbl" xml:lang="en-US">Variable Interest Entity Third Party Ownership Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_VariableInterestEntityThirdPartyOwnershipPercentage_lbl" xml:lang="en-US">Percentage of variable interest entities owned by other companies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VariableInterestEntityThirdPartyOwnershipPercentage_lbl" xml:lang="en-US">Variable interest entity third party ownership percentage.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RevenuesByDomesticForeignAbstract" xlink:label="wm_RevenuesByDomesticForeignAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RevenuesByDomesticForeignAbstract" xlink:to="wm_RevenuesByDomesticForeignAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RevenuesByDomesticForeignAbstract_lbl" xml:lang="en-US">Revenues By domestic Foreign [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RevenuesByDomesticForeignAbstract_lbl" xml:lang="en-US">Revenues by domestic/foreign.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RevenuesByDomesticForeignAbstract_lbl" xml:lang="en-US">Revenues by domestic/foreign</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PropertyPlantAndEquipmentByDomesticForeignAbstract" xlink:label="wm_PropertyPlantAndEquipmentByDomesticForeignAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PropertyPlantAndEquipmentByDomesticForeignAbstract" xlink:to="wm_PropertyPlantAndEquipmentByDomesticForeignAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PropertyPlantAndEquipmentByDomesticForeignAbstract_lbl" xml:lang="en-US">Property Plant and Equipment by Domestic Foreign [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PropertyPlantAndEquipmentByDomesticForeignAbstract_lbl" xml:lang="en-US">PP&amp;E by domestic/foreign</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PropertyPlantAndEquipmentByDomesticForeignAbstract_lbl" xml:lang="en-US">Property, plant and equipment by domestic/foreign.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_AutoLiabilitySelfInsuranceExposuresAdditionalDeductiblePerIncident" xlink:label="wm_AutoLiabilitySelfInsuranceExposuresAdditionalDeductiblePerIncident" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AutoLiabilitySelfInsuranceExposuresAdditionalDeductiblePerIncident" xlink:to="wm_AutoLiabilitySelfInsuranceExposuresAdditionalDeductiblePerIncident_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AutoLiabilitySelfInsuranceExposuresAdditionalDeductiblePerIncident_lbl" xml:lang="en-US">Auto Liability self Insurance Exposures Additional Deductible Per Incident</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AutoLiabilitySelfInsuranceExposuresAdditionalDeductiblePerIncident_lbl" xml:lang="en-US">Per incident additional deductible under auto liability insurance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AutoLiabilitySelfInsuranceExposuresAdditionalDeductiblePerIncident_lbl" xml:lang="en-US">Auto liability self insurance exposures additional deductible per incident.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ExercisableStockOptionsMember" xlink:label="wm_ExercisableStockOptionsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ExercisableStockOptionsMember" xlink:to="wm_ExercisableStockOptionsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ExercisableStockOptionsMember_lbl" xml:lang="en-US">Exercisable Stock Options [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ExercisableStockOptionsMember_lbl" xml:lang="en-US">Exercisable stock options.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ExercisableStockOptionsMember_lbl" xml:lang="en-US">Exercisable Stock Options [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_EmployeeStockOptionsGrantedMember" xlink:label="wm_EmployeeStockOptionsGrantedMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EmployeeStockOptionsGrantedMember" xlink:to="wm_EmployeeStockOptionsGrantedMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EmployeeStockOptionsGrantedMember_lbl" xml:lang="en-US">Employee Stock Options Granted [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EmployeeStockOptionsGrantedMember_lbl" xml:lang="en-US">Employee stock options granted.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_EmployeeStockOptionsGrantedMember_lbl" xml:lang="en-US">Employee Stock Options Granted [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CapitalStockDividendsAndShareRepurchasesDetailsAbstract" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CapitalStockDividendsAndShareRepurchasesDetailsAbstract" xlink:to="wm_CapitalStockDividendsAndShareRepurchasesDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesDetailsAbstract_lbl" xml:lang="en-US">Capital Stock Dividends and Share Repurchases (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesDetailsAbstract_lbl" xml:lang="en-US">Capital stock, dividends and share repurchases.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TaxAdjustmentsSettlementsAndUnusualProvisions" xml:lang="en-US">Tax Adjustments, Settlements, and Unusual Provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_TaxAdjustmentsSettlementsAndUnusualProvisions" xml:lang="en-US">Decrease in provision for income taxes due to tax audit settlement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_TaxAdjustmentsSettlementsAndUnusualProvisions" xml:lang="en-US">Reduction in provision for income taxes due to tax audit settlements</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_QuarterlyFinancialDataTable" xlink:label="wm_QuarterlyFinancialDataTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_QuarterlyFinancialDataTable" xlink:to="wm_QuarterlyFinancialDataTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_QuarterlyFinancialDataTable_lbl" xml:lang="en-US">Quarterly Financial Data [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_QuarterlyFinancialDataTable_lbl" xml:lang="en-US">Quarterly Financial Data.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RangeAxis" xlink:label="wm_RangeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RangeAxis" xlink:to="wm_RangeAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RangeAxis_lbl" xml:lang="en-US">Range [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RangeAxis_lbl" xml:lang="en-US">Range.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RangeDomain" xlink:label="wm_RangeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RangeDomain" xlink:to="wm_RangeDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RangeDomain_lbl" xml:lang="en-US">Range [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RangeDomain_lbl" xml:lang="en-US">Range.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MinimumMember" xlink:label="wm_MinimumMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MinimumMember" xlink:to="wm_MinimumMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MinimumMember_lbl" xml:lang="en-US">Minimum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MinimumMember_lbl" xml:lang="en-US">Minimum.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MaximumMember" xlink:label="wm_MaximumMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MaximumMember" xlink:to="wm_MaximumMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MaximumMember_lbl" xml:lang="en-US">Maximum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MaximumMember_lbl" xml:lang="en-US">Maximum.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_QuarterlyFinancialDataLineItems" xlink:label="wm_QuarterlyFinancialDataLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_QuarterlyFinancialDataLineItems" xlink:to="wm_QuarterlyFinancialDataLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_QuarterlyFinancialDataLineItems_lbl" xml:lang="en-US">Quarterly Financial Data [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_QuarterlyFinancialDataLineItems_lbl" xml:lang="en-US">Quarterly Financial Data.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_QuarterlyFinancialDataAdditionalTextualAbstract" xlink:label="wm_QuarterlyFinancialDataAdditionalTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_QuarterlyFinancialDataAdditionalTextualAbstract" xlink:to="wm_QuarterlyFinancialDataAdditionalTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_QuarterlyFinancialDataAdditionalTextualAbstract_lbl" xml:lang="en-US">Quarterly Financial Data (Additional Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_QuarterlyFinancialDataAdditionalTextualAbstract_lbl" xml:lang="en-US">Quarterly Financial Data.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_TaxExemptBondsCurrent" xlink:label="wm_TaxExemptBondsCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TaxExemptBondsCurrent" xlink:to="wm_TaxExemptBondsCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TaxExemptBondsCurrent_lbl" xml:lang="en-US">Tax Exempt Bonds Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_TaxExemptBondsCurrent_lbl" xml:lang="en-US">Tax-exempt bonds, current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TaxExemptBondsCurrent_lbl" xml:lang="en-US">Tax exempt bonds, current.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NotionalAmountOfForeignCurrencyForwardContracts" xlink:label="wm_NotionalAmountOfForeignCurrencyForwardContracts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NotionalAmountOfForeignCurrencyForwardContracts" xlink:to="wm_NotionalAmountOfForeignCurrencyForwardContracts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NotionalAmountOfForeignCurrencyForwardContracts_lbl" xml:lang="en-US">Notional Amount of Foreign Currency Forward Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NotionalAmountOfForeignCurrencyForwardContracts_lbl" xml:lang="en-US">Notional amount of foreign currency forward contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NotionalAmountOfForeignCurrencyForwardContracts_lbl" xml:lang="en-US">Notional amount of foreign currency forward contracts.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" xlink:to="lab_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" xml:lang="en-US">Other Comprehensive Income, Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax</label>
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_HighEndOfFundedPercentageOfMultiemployerPlansInCriticalStatus" xlink:label="wm_HighEndOfFundedPercentageOfMultiemployerPlansInCriticalStatus" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_HighEndOfFundedPercentageOfMultiemployerPlansInCriticalStatus_lbl" xml:lang="en-US">High end of funded percentage of multiemployer plans in critical status.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_HighEndOfFundedPercentageOfMultiemployerPlansInCriticalStatus_lbl" xml:lang="en-US">High end of funded percentage of multiemployer plans in critical status</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_HighEndOfFundedPercentageOfMultiemployerPlansInEndangeredStatus" xlink:label="wm_HighEndOfFundedPercentageOfMultiemployerPlansInEndangeredStatus" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_HighEndOfFundedPercentageOfMultiemployerPlansInEndangeredStatus_lbl" xml:lang="en-US">High End of Funded Percentage of Multiemployer Plans in Endangered Status</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_HighEndOfFundedPercentageOfMultiemployerPlansInEndangeredStatus_lbl" xml:lang="en-US">High end of funded percentage of multiemployer plans in endangered status.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_HighEndOfFundedPercentageOfMultiemployerPlansInEndangeredStatus_lbl" xml:lang="en-US">High end of funded percentage of multiemployer plans in endangered status</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MinimumPercentageOfContributionsRelatingToMultiemployerPlans" xlink:label="wm_MinimumPercentageOfContributionsRelatingToMultiemployerPlans" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MinimumPercentageOfContributionsRelatingToMultiemployerPlans_lbl" xml:lang="en-US">Minimum Percentage of Contributions Relating to Multiemployer Plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MinimumPercentageOfContributionsRelatingToMultiemployerPlans_lbl" xml:lang="en-US">Minimum percentage of total contributions relating to multiemployer plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_MinimumPercentageOfContributionsRelatingToMultiemployerPlans_lbl" xml:lang="en-US">Minimum percentage of total contributions relating to multiemployer plans</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_SurchargePercentageDuringFirstTwelveMonthsOnContributionRatesForPlansCertifiedAsEndangeredOrSeriouslyEndangered" xlink:label="wm_SurchargePercentageDuringFirstTwelveMonthsOnContributionRatesForPlansCertifiedAsEndangeredOrSeriouslyEndangered" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SurchargePercentageDuringFirstTwelveMonthsOnContributionRatesForPlansCertifiedAsEndangeredOrSeriouslyEndangered_lbl" xml:lang="en-US">Surcharge percentage during first twelve months on contribution rates for plans certified as endangered or seriously endangered.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SurchargePercentageDuringFirstTwelveMonthsOnContributionRatesForPlansCertifiedAsEndangeredOrSeriouslyEndangered_lbl" xml:lang="en-US">Surcharge percentage during first twelve months on contribution rates for plans certified as endangered or seriously endangered</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PeriodForWhichSurchargeIsFivePercentOnContributionRatesForPlansCertifiedAsEndangeredOrSeriouslyEndangered_lbl" xml:lang="en-US">Period for which surcharge is 5% on contribution rates for plans certified as endangered or seriously endangered.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PeriodForWhichSurchargeIsFivePercentOnContributionRatesForPlansCertifiedAsEndangeredOrSeriouslyEndangered_lbl" xml:lang="en-US">Period for which surcharge is 5% on contribution rates for plans certified as endangered or seriously endangered</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SurchargePercentageAfterFirstTwelveMonthsOnContributionRatesForPlansCertifiedAsEndangeredOrSeriouslyEndangered_lbl" xml:lang="en-US">Surcharge percentage after first twelve months on contribution rates for plans certified as endangered or seriously endangered.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_SurchargePercentageAfterFirstTwelveMonthsOnContributionRatesForPlansCertifiedAsEndangeredOrSeriouslyEndangered_lbl" xml:lang="en-US">Surcharge percentage after first twelve months on contribution rates for plans certified as endangered or seriously endangered</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram" xlink:to="wm_MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram_lbl" xml:lang="en-US">Maximum Self Insurance Exposures Per Incident Under General Liability Insurance Program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram_lbl" xml:lang="en-US">Maximum self insurance exposures per incident under general liability insurance program.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram_lbl" xml:lang="en-US">Maximum self insurance exposures per incident under general liability insurance program</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderWorkersCompensationInsuranceProgram_lbl" xml:lang="en-US">Maximum Self Insurance Exposures Per Incident Under Workers Compensation Insurance Program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderWorkersCompensationInsuranceProgram_lbl" xml:lang="en-US">Maximum self insurance exposures per incident under workers' compensation insurance program.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderWorkersCompensationInsuranceProgram_lbl" xml:lang="en-US">Maximum self insurance exposures per incident under workers' compensation insurance program</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_PerIncidentBaseDeductibleUnderAutoLiabilityInsuranceProgram" xlink:label="wm_PerIncidentBaseDeductibleUnderAutoLiabilityInsuranceProgram" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PerIncidentBaseDeductibleUnderAutoLiabilityInsuranceProgram" xlink:to="wm_PerIncidentBaseDeductibleUnderAutoLiabilityInsuranceProgram_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PerIncidentBaseDeductibleUnderAutoLiabilityInsuranceProgram_lbl" xml:lang="en-US">Per Incident Base Deductible Under Auto Liability Insurance Program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PerIncidentBaseDeductibleUnderAutoLiabilityInsuranceProgram_lbl" xml:lang="en-US">Per incident base deductible under auto liability insurance program.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_PerIncidentBaseDeductibleUnderAutoLiabilityInsuranceProgram_lbl" xml:lang="en-US">Per incident base deductible under auto liability insurance program</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_LowEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance" xlink:label="wm_LowEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LowEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance" xlink:to="wm_LowEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LowEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance_lbl" xml:lang="en-US">Low End of Layer Subject to Additional Deductibles of Auto Liability Insurance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LowEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance_lbl" xml:lang="en-US">Low end of layer subject to additional deductibles of auto liability insurance.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_LowEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance_lbl" xml:lang="en-US">Low end of layer subject to additional deductibles of auto liability insurance</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_HighEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance" xlink:label="wm_HighEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_HighEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance" xlink:to="wm_HighEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_HighEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance_lbl" xml:lang="en-US">High End of Layer Subject to Additional Deductibles of Auto Liability Insurance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_HighEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance_lbl" xml:lang="en-US">High end of layer subject to additional deductibles of auto liability insurance.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_HighEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance_lbl" xml:lang="en-US">High end of layer subject to additional deductibles of auto liability insurance</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NumberOfOpenPositionsEliminated" xlink:label="wm_NumberOfOpenPositionsEliminated" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfOpenPositionsEliminated_lbl" xml:lang="en-US">Number of Open Positions Eliminated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfOpenPositionsEliminated_lbl" xml:lang="en-US">Number of open positions eliminated.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfOpenPositionsEliminated_lbl" xml:lang="en-US">Number of open positions eliminated</label>
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    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DecreaseInDepreciationAndAmortizationDueToChangesInOurExpectationForTimingAndCostOfFutureFinalCappingClosureAndPostClosureCosts" xlink:label="wm_DecreaseInDepreciationAndAmortizationDueToChangesInOurExpectationForTimingAndCostOfFutureFinalCappingClosureAndPostClosureCosts" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DecreaseInDepreciationAndAmortizationDueToChangesInOurExpectationForTimingAndCostOfFutureFinalCappingClosureAndPostClosureCosts_lbl" xml:lang="en-US">Decrease in depreciation and amortization due to changes in our expectation for timing and cost of future final capping, closure and post closure costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DecreaseInDepreciationAndAmortizationDueToChangesInOurExpectationForTimingAndCostOfFutureFinalCappingClosureAndPostClosureCosts_lbl" xml:lang="en-US">Decrease In Depreciation And Amortization Due To Changes In Our Expectation For Timing And Cost Of Future Final Capping Closure And Post Closure Costs.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NegativeImpactOnDilutedEarningsPerShareRelatedToLitigationSettlement" xlink:label="wm_NegativeImpactOnDilutedEarningsPerShareRelatedToLitigationSettlement" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NegativeImpactOnDilutedEarningsPerShareRelatedToLitigationSettlement" xlink:to="wm_NegativeImpactOnDilutedEarningsPerShareRelatedToLitigationSettlement_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NegativeImpactOnDilutedEarningsPerShareRelatedToLitigationSettlement_lbl" xml:lang="en-US">Negative Impact on Diluted Earnings Per Share Related to Litigation Settlement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NegativeImpactOnDilutedEarningsPerShareRelatedToLitigationSettlement_lbl" xml:lang="en-US">Negative impact on diluted earnings per share related to litigation settlement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NegativeImpactOnDilutedEarningsPerShareRelatedToLitigationSettlement_lbl" xml:lang="en-US">Negative impact on diluted earnings per share related to litigation settlement</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US">Fair value of stock options granted</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncreaseDecreaseInEnvironmentalRemediationLiabilitiesDueToImpactsOfInflationAndDiscounting" xlink:label="wm_IncreaseDecreaseInEnvironmentalRemediationLiabilitiesDueToImpactsOfInflationAndDiscounting" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncreaseDecreaseInEnvironmentalRemediationLiabilitiesDueToImpactsOfInflationAndDiscounting" xlink:to="wm_IncreaseDecreaseInEnvironmentalRemediationLiabilitiesDueToImpactsOfInflationAndDiscounting_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncreaseDecreaseInEnvironmentalRemediationLiabilitiesDueToImpactsOfInflationAndDiscounting_lbl" xml:lang="en-US">Increase Decrease in Environmental Remediation Liabilities Due to The Impacts of Inflation and Discounting</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncreaseDecreaseInEnvironmentalRemediationLiabilitiesDueToImpactsOfInflationAndDiscounting_lbl" xml:lang="en-US">Increase (decrease) in environmental remediation liabilities due to the impacts of inflation and discounting.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncreaseDecreaseInEnvironmentalRemediationLiabilitiesDueToImpactsOfInflationAndDiscounting_lbl" xml:lang="en-US">Increase (decrease) in environmental remediation liabilities due to the impacts of inflation and discounting</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NonCashProceedsFromTaxExemptBorrowingsNetOfPrincipalPayments" xlink:label="wm_NonCashProceedsFromTaxExemptBorrowingsNetOfPrincipalPayments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NonCashProceedsFromTaxExemptBorrowingsNetOfPrincipalPayments" xlink:to="wm_NonCashProceedsFromTaxExemptBorrowingsNetOfPrincipalPayments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NonCashProceedsFromTaxExemptBorrowingsNetOfPrincipalPayments_lbl" xml:lang="en-US">Non Cash Proceeds From Tax Exempt Borrowings Net of Principal Payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NonCashProceedsFromTaxExemptBorrowingsNetOfPrincipalPayments_lbl" xml:lang="en-US">Non-cash proceeds from tax-exempt borrowings, net of principal payments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NonCashProceedsFromTaxExemptBorrowingsNetOfPrincipalPayments_lbl" xml:lang="en-US">Non-cash proceeds from tax-exempt borrowings, net of principal payments</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_IncreaseInGoodwillDuringPeriod" xlink:label="wm_IncreaseInGoodwillDuringPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncreaseInGoodwillDuringPeriod" xlink:to="wm_IncreaseInGoodwillDuringPeriod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncreaseInGoodwillDuringPeriod_lbl" xml:lang="en-US">Increase in Goodwill During The Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncreaseInGoodwillDuringPeriod_lbl" xml:lang="en-US">Increase in goodwill during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_IncreaseInGoodwillDuringPeriod_lbl" xml:lang="en-US">Increase in goodwill during the period</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_UnusedAndAvailableCreditCapacityRevolvingCreditFacility" xlink:label="wm_UnusedAndAvailableCreditCapacityRevolvingCreditFacility" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_UnusedAndAvailableCreditCapacityRevolvingCreditFacility" xlink:to="wm_UnusedAndAvailableCreditCapacityRevolvingCreditFacility_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_UnusedAndAvailableCreditCapacityRevolvingCreditFacility_lbl" xml:lang="en-US">Unused and Available Credit Capacity Revolving Credit Facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_UnusedAndAvailableCreditCapacityRevolvingCreditFacility_lbl" xml:lang="en-US">Unused and available credit capacity, revolving credit facility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_UnusedAndAvailableCreditCapacityRevolvingCreditFacility_lbl" xml:lang="en-US">Unused and available credit capacity, revolving credit facility</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DistributorsAssociationWarehousemensPensionTrustMember" xlink:label="wm_DistributorsAssociationWarehousemensPensionTrustMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DistributorsAssociationWarehousemensPensionTrustMember" xlink:to="wm_DistributorsAssociationWarehousemensPensionTrustMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DistributorsAssociationWarehousemensPensionTrustMember_lbl" xml:lang="en-US">Distributors Association Warehousemens Pension Trust [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DistributorsAssociationWarehousemensPensionTrustMember_lbl" xml:lang="en-US">Distributors Association Warehousemens Pension Trust [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DistributorsAssociationWarehousemensPensionTrustMember_lbl" xml:lang="en-US">Distributors association warehousemens pension trust.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed" xml:lang="en-US">Share-based compensation arrangement by share-based payment award, fair value assumptions, method used</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ContingentConsiderationPaidForAcquisitionsClosedInPreviousYears" xlink:label="wm_ContingentConsiderationPaidForAcquisitionsClosedInPreviousYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ContingentConsiderationPaidForAcquisitionsClosedInPreviousYears" xlink:to="wm_ContingentConsiderationPaidForAcquisitionsClosedInPreviousYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ContingentConsiderationPaidForAcquisitionsClosedInPreviousYears_lbl" xml:lang="en-US">Contingent Consideration Paid For Acquisitions Closed in Previous Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ContingentConsiderationPaidForAcquisitionsClosedInPreviousYears_lbl" xml:lang="en-US">Contingent consideration paid for acquisitions closed in previous years.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ContingentConsiderationPaidForAcquisitionsClosedInPreviousYears_lbl" xml:lang="en-US">Contingent consideration paid for acquisitions closed in previous years</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ContingentConsiderationPaidForAcquisitionsClosedInCurrentYear" xlink:label="wm_ContingentConsiderationPaidForAcquisitionsClosedInCurrentYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ContingentConsiderationPaidForAcquisitionsClosedInCurrentYear" xlink:to="wm_ContingentConsiderationPaidForAcquisitionsClosedInCurrentYear_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ContingentConsiderationPaidForAcquisitionsClosedInCurrentYear_lbl" xml:lang="en-US">Contingent Consideration Paid For Acquisitions Closed in The Current Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ContingentConsiderationPaidForAcquisitionsClosedInCurrentYear_lbl" xml:lang="en-US">Contingent consideration paid for acquisitions closed in the current year.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ContingentConsiderationPaidForAcquisitionsClosedInCurrentYear_lbl" xml:lang="en-US">Contingent consideration paid for acquisitions closed in the current year</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_InvestmentsInUnconsolidatedEntitiesPolicyTextBlock" xlink:label="wm_InvestmentsInUnconsolidatedEntitiesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_InvestmentsInUnconsolidatedEntitiesPolicyTextBlock" xlink:to="wm_InvestmentsInUnconsolidatedEntitiesPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InvestmentsInUnconsolidatedEntitiesPolicyTextBlock_lbl" xml:lang="en-US">Investments in Unconsolidated Entities [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InvestmentsInUnconsolidatedEntitiesPolicyTextBlock_lbl" xml:lang="en-US">Investments in unconsolidated entities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_InvestmentsInUnconsolidatedEntitiesPolicyTextBlock_lbl" xml:lang="en-US">Investments in unconsolidated entities</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DeferredUnitsMember" xlink:label="wm_DeferredUnitsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DeferredUnitsMember" xlink:to="wm_DeferredUnitsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DeferredUnitsMember_lbl" xml:lang="en-US">Deferred Units [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DeferredUnitsMember_lbl" xml:lang="en-US">Deferred units.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DeferredUnitsMember_lbl" xml:lang="en-US">Deferred Units [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_RequirementsForPermitApplicationProcesses" xlink:label="wm_RequirementsForPermitApplicationProcesses" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_RequirementsForPermitApplicationProcesses" xlink:to="wm_RequirementsForPermitApplicationProcesses_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_RequirementsForPermitApplicationProcesses_lbl" xml:lang="en-US">Requirements for Permit Application Processes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_RequirementsForPermitApplicationProcesses_lbl" xml:lang="en-US">Requirements for permit application processes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_RequirementsForPermitApplicationProcesses_lbl" xml:lang="en-US">Requirements for permit application processes.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_DescriptionOfSitesWithExpansion" xlink:label="wm_DescriptionOfSitesWithExpansion" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DescriptionOfSitesWithExpansion" xlink:to="wm_DescriptionOfSitesWithExpansion_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DescriptionOfSitesWithExpansion_lbl" xml:lang="en-US">Description of Sites With Expansion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DescriptionOfSitesWithExpansion_lbl" xml:lang="en-US">Description of sites with expansion.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_DescriptionOfSitesWithExpansion_lbl" xml:lang="en-US">Description of sites with expansion</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_MultiemployerPlanCollectiveBargainingArrangementExpirationDate" xlink:label="wm_MultiemployerPlanCollectiveBargainingArrangementExpirationDate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MultiemployerPlanCollectiveBargainingArrangementExpirationDate" xlink:to="wm_MultiemployerPlanCollectiveBargainingArrangementExpirationDate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MultiemployerPlanCollectiveBargainingArrangementExpirationDate_lbl" xml:lang="en-US">Multiemployer Plan Collective Bargaining Arrangement Expiration Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_MultiemployerPlanCollectiveBargainingArrangementExpirationDate_lbl" xml:lang="en-US">Expiration Date of Collective-Bargaining Agreement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MultiemployerPlanCollectiveBargainingArrangementExpirationDate_lbl" xml:lang="en-US">Multiemployer plan collective bargaining arrangement expiration date.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_ProvisionForIncomeTaxesAsResultOfFinalizationOfTaxReturnAndTaxAuditSettlements" xlink:label="wm_ProvisionForIncomeTaxesAsResultOfFinalizationOfTaxReturnAndTaxAuditSettlements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ProvisionForIncomeTaxesAsResultOfFinalizationOfTaxReturnAndTaxAuditSettlements" xlink:to="wm_ProvisionForIncomeTaxesAsResultOfFinalizationOfTaxReturnAndTaxAuditSettlements_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ProvisionForIncomeTaxesAsResultOfFinalizationOfTaxReturnAndTaxAuditSettlements_lbl" xml:lang="en-US">Provision for Income Taxes as Result of Finalization of Tax Return and Tax Audit Settlements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ProvisionForIncomeTaxesAsResultOfFinalizationOfTaxReturnAndTaxAuditSettlements_lbl" xml:lang="en-US">Provision for income taxes as result of finalization of tax return and tax audit settlements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_ProvisionForIncomeTaxesAsResultOfFinalizationOfTaxReturnAndTaxAuditSettlements_lbl" xml:lang="en-US">Provision for income taxes as result of finalization of tax return and tax audit settlements</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_CertainLandfillsInCompanysMidwestLandfillGroupMember" xlink:label="wm_CertainLandfillsInCompanysMidwestLandfillGroupMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CertainLandfillsInCompanysMidwestLandfillGroupMember" xlink:to="wm_CertainLandfillsInCompanysMidwestLandfillGroupMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CertainLandfillsInCompanysMidwestLandfillGroupMember_lbl" xml:lang="en-US">Certain Landfills in the Company's Midwest Landfill Group [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_CertainLandfillsInCompanysMidwestLandfillGroupMember_lbl" xml:lang="en-US">Certain landfills in the Company's Midwest landfill group [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CertainLandfillsInCompanysMidwestLandfillGroupMember_lbl" xml:lang="en-US">Certain landfills in the Company's Midwest landfill group.</label>
    <loc xlink:type="locator" xlink:href="wm-20111231.xsd#wm_NumberOfCertainLandfillsWhichHaveCeasedAcceptingWaste" xlink:label="wm_NumberOfCertainLandfillsWhichHaveCeasedAcceptingWaste" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfCertainLandfillsWhichHaveCeasedAcceptingWaste" xlink:to="wm_NumberOfCertainLandfillsWhichHaveCeasedAcceptingWaste_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfCertainLandfillsWhichHaveCeasedAcceptingWaste_lbl" xml:lang="en-US">Number Of Certain Landfills Which Have Ceased Accepting Waste</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfCertainLandfillsWhichHaveCeasedAcceptingWaste_lbl" xml:lang="en-US">Number of certain landfills in the Midwest which have ceased accepting waste.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_NumberOfCertainLandfillsWhichHaveCeasedAcceptingWaste_lbl" xml:lang="en-US">Number of certain landfills in the Midwest which have ceased accepting waste</label>
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