WM


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents


us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:PreferredStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostOfGoodsAndServicesSold
us-gaap:BusinessAcquisition

us-gaap:CostsAndExpenses

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument
us-gaap:DebtInstrument

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:InterestExpense
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:NetIncomeLoss

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:BusinessAcquisition
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:ProductOrService
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:Revenues

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:BusinessAcquisition

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:OtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:Goodwill
us-gaap:BusinessAcquisition
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:StatementBusinessSegments

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:EquitySecuritiesFvNi

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:DebtCurrent
us-gaap:DebtInstrument

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:LongTermDebt

us-gaap:DebtAndCapitalLeaseObligations
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:DebtInstrument

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:AcceleratedShareRepurchasesDate
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:DebtInstrument
us-gaap:Range, us-gaap:DebtInstrument

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:AcceleratedShareRepurchasesDate
us-gaap:AcceleratedShareRepurchasesFinalPricePaidPerShare
us-gaap:AcceleratedShareRepurchasesDate
us-gaap:AcceleratedShareRepurchasesInitialPricePaidPerShare
us-gaap:EnvironmentalExitCostByProperty
us-gaap:AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses
us-gaap:EnvironmentalExitCostByProperty
us-gaap:AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates
us-gaap:EnvironmentalExitCostByProperty
us-gaap:AccrualForEnvironmentalLossContingenciesPayments1

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs

us-gaap:AssetImpairmentCharges
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetRetirementObligationAccretionExpense
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:AssetRetirementObligationLiabilitiesIncurred
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:AssetRetirementObligationLiabilitiesSettled
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:AssetRetirementObligationRevisionOfEstimate
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:IncomeStatementLocation
us-gaap:CapitalizedContractCostAmortization
us-gaap:DebtInstrument, us-gaap:SubsequentEventType, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:Range, us-gaap:DebtInstrument, us-gaap:SubsequentEventType, us-gaap:VariableRate
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument
us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents
us-gaap:DebtInstrument
us-gaap:EarlyRepaymentOfSeniorDebt

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncomeTaxReconciliationTaxSettlements

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk
us-gaap:PaymentsForOtherOperatingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsOfDebtExtinguishmentCosts
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet
us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromRepaymentsOfCommercialPaper
us-gaap:DebtInstrument

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProvisionForDoubtfulAccounts
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:RestructuringCharges

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockholdersEquityOtherShares
us-gaap:AcceleratedShareRepurchasesDate
us-gaap:TreasuryStockSharesAcquired
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberOfSharesIssuedBasic

wm:AccountsReceivableAllowanceForCreditLossOther
us-gaap:BusinessAcquisition
wm:AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentByType
wm:AssetRetirementObligationIncreaseDecreaseLandfillClosure

wm:EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAcquisitionTransactionCostsAmount

wm:GainLossFromDivestituresAssetImpairmentsAndOtherNoncashPortion

wm:GainLossFromDivestituresAssetImpairmentsAndUnusualItems
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
wm:IncomeTaxExpenseBenefitIncludingFederalTaxCreditsFromEquityMethodInvestment
us-gaap:EnvironmentalExitCostByProperty
wm:IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations

wm:InterestAndOtherIncomeExpense

wm:MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipant

wm:PotentiallyIssuableShares

wm:ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAndProceedsFromSalesOfAssetsInvestingActivities

wm:ProvisionForDoubtfulAccountsAndOtherCreditLosses

wm:ReceivablesClassifiedAsCurrentPercent

wm:ReceivablesOutstandingLessThanThresholdPercent

us-gaap:AccrualForEnvironmentalLossContingencies
us-gaap:EnvironmentalExitCostByProperty
us-gaap:EnvironmentalRemediationSite
us-gaap:EnvironmentalExitCostByProperty
us-gaap:AccrualForEnvironmentalLossContingenciesDiscountRate

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear

us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCosts

us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent
us-gaap:EnvironmentalExitCostByProperty
us-gaap:AccruedEnvironmentalLossContingenciesCurrent
us-gaap:EnvironmentalExitCostByProperty
us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent

us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulOtherReceivablesCurrent
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:AssetRetirementObligation
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:AssetRetirementObligationCurrent
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:AssetRetirementObligationsNoncurrent
us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionSharePrice
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFinancialAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

us-gaap:CapitalizedContractCostNet
us-gaap:CapitalizedContractCost
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:DebtInstrument
us-gaap:CommercialPaper
us-gaap:DebtInstrument
us-gaap:DebtInstrumentFaceAmount
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument
us-gaap:DebtInstrumentFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrument
us-gaap:DebtInstrumentRepurchasedFaceAmount

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrument
us-gaap:DebtWeightedAverageInterestRate

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeAssetNotionalAmount
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount
us-gaap:BusinessAcquisition, us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:SubsequentEventType
us-gaap:PlanName
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestments
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ForeignCurrencyExchangeRateTranslation1

us-gaap:IncomeTaxReceivable

us-gaap:InsuranceSettlementsReceivable
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument
us-gaap:InterestPayableCurrent
us-gaap:DebtInstrument
us-gaap:DerivativeInstrumentRisk
us-gaap:InterestRateDerivativeAssetsAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:InvestmentsFairValueDisclosure

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:DebtInstrument
us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument
us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards

us-gaap:OtherReceivables

us-gaap:OtherReceivablesNetCurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:StatementGeographical

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent

us-gaap:RestrictedCashAndInvestmentsCurrent

us-gaap:RestrictedCashAndInvestmentsNoncurrent
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:SubsidiarySaleOfStock
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:SubsidiarySaleOfStock

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:StockRepurchaseProgramAuthorizedAmount1

us-gaap:Supplies
us-gaap:IncomeTaxAuthority
us-gaap:TaxCreditCarryforwardAmount

us-gaap:TreasuryStockCommonValue

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears

wm:AccruedCappingAndEnvironmentalCosts

wm:BusinessAcquisitionPurchasePriceHoldbackPaidInCurrentPeriod
us-gaap:Restatement, us-gaap:BusinessAcquisition
wm:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOfDiscontinuedOperations
us-gaap:Restatement, us-gaap:BusinessAcquisition
wm:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOfDiscontinuedOperations
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
wm:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDebt
us-gaap:BusinessAcquisition
wm:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLandfillAndEnvironmentalRemediationLiabilities
us-gaap:Restatement, us-gaap:BusinessAcquisition

wm:DebtAndFinancingLeasesMaturingOrSubjectToRemarketingWithinNextTwelveMonths
us-gaap:DebtInstrument
wm:DebtAndFinancingLeasesMaturingOrSubjectToRemarketingWithinNextTwelveMonthsClassifiedAsLongTerm
us-gaap:DebtInstrument
wm:DebtInstrumentInterestRatePeriodExpiringCurrent
us-gaap:DebtInstrument
wm:DebtInstrumentRefundAndReissue
us-gaap:DebtInstrument
wm:DebtMaturingOrSubjectToRefinancingWithinNextTwelveMonthsClassifiedAsLongTerm

wm:DeferredTaxAssetsLandfillAndFutureEnvironmentalRemediationCosts

wm:DeferredTaxAssetsNetOperatingLossCapitalLossAndTaxCreditCarryForwards

wm:DeferredTaxAssetsOperatingLeaseLiabilities

wm:DisclosureRequiredUnderItemOneZeroThreeOfSecsRegulationSk

wm:EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting

wm:EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate

wm:FederalFuelCreditsReceivable

wm:GrossInsuranceClaimsLiability

wm:GrossInsuranceClaimsLiabilityCurrent

wm:GrossInsuranceClaimsLiabilityNoncurrent

wm:IncreaseDecreaseInDeferredRevenueAndOtherOperatingLiabilities

wm:IncreaseDecreaseInEnvironmentalRemediationLiabilitiesDueToImpactsOfInflationAndDiscounting

wm:InvestmentsInUnconsolidatedEntitiesRedeemablePreferredStock

wm:LeaseLiability

wm:LeaseRightOfUseAsset

wm:MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram

wm:MaximumSelfInsuranceExposuresPerIncidentUnderWorkersCompensationInsuranceProgram

wm:NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue

wm:NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp

wm:NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp

wm:NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp
us-gaap:PropertyPlantAndEquipmentByType
wm:WeightedAverageRateApplicableToAssetRetirementObligations

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Cash And Cash Equivalents At Carrying Value
Assets
Cash And Cash Equivalents At Carrying Value
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Operating Lease Right Of Use Asset
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Common Stock Value
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Gain Loss On Sale Of Property Plant Equipment
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Common Stock Shares Outstanding
DividendsAndRepurchase
Dividends Common Stock Cash
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock██████▁███▁███▁████████630.282630.282630.282630.282630.282630.2820.630282630.282630.282630.2820.630282630.282630.282630.2820.630282630.282630.282630.282630.282630.282630.282630.282630.282NANANA630.282NANANA630.282NANANANANANANANANANANANANANANANANANANA
us-gaap:PreferredStockSharesAuthorized NANA10.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesOutstanding ▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▃▃▃▃▃▄▄▄▄▅▅▅▆▆▆▆▆▆▆▆▆▅▅▅▇▇▇▇▇██420.8422.1422.8422.6422.2422.0424.3424.2423.8424.7424.0427.1428.4431.8433.3434.2439.7441.9439.3442.0441.7444.7447.2446.5451.8457.8458.5457.9465.9465.3464.3469.2468.1466.5464.2463.9463.0462.7460.5461.2472.3474.7475.0475.7478.9483.8486.1NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█423.6424.3NA424.6423.9426.4NA427.4427.5426.9NA430.8432.3435.8NA440.8444.4444.1NA445.7446.7448.6NA452.7458.0458.5NA463.6468.0466.9NA471.2469.4466.5NA464.9464.0463.4NA469.7476.0477.6NA481.0485.8488.1NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█421.6422.9NA422.7422.3424.2NA424.5424.8424.5NA427.9429.9433.3NA437.8441.9441.3NA442.9444.0446.1NA449.6455.5458.5NA460.8465.9465.2NA469.3467.9465.7NA464.1463.4462.1NA468.3474.2475.7NA477.3482.1485.6NANANANA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█0.62.6NA1.32.12.1NA0.71.13.0NA1.51.93.0NA1.92.33.0NA0.50.52.5NA2.02.311.5NA0.40.82.8NA0.51.27.3NA8.18.38.3NA9.90.10.1NA0.20.23.7NANANANA
us-gaap:EarningsPerShareBasic ▅▆▆▆▅▅▆▆▆▅▆▆▆▆█▆▅▅▅▅▅▅▅▅▅▃▆▅▅▅▁▅▅▄▅▅▅▄▅▅▅▄▅▅▅▄▅▅▅▄0.831.01.040.920.730.851.051.170.90.821.251.161.160.912.080.880.820.680.760.680.650.580.610.750.6-0.281.290.590.450.49-1.290.620.520.360.480.460.450.370.580.580.50.390.590.510.510.370.650.560.50.31
us-gaap:EarningsPerShareDiluted ▅▆▆▆▅▅▆▆▆▅▆▆▆▆█▆▅▅▅▅▅▅▅▅▅▃▆▅▅▅▁▅▅▄▅▅▅▄▅▅▅▅▅▅▅▄▅▅▅▄0.830.991.02999999999999980.920.720.851.051.160.890.811.241.161.150.912.060.870.810.670.750.680.640.580.610.740.6-0.281.280.580.450.49-1.290.620.520.360.480.460.450.370.580.580.50.390.590.510.510.370.640.560.50.31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 COGS Ratio us-gaap:BusinessAcquisition wm:AdvancedDisposalServicesNANA205.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments us-gaap:AllOtherSegments█▁697.0642.0NA592.0529.0525.0NA556.0550.0557.0NA584.0557.0553.0NA598.0601.0555.0549.0558.0526.0460.0484.0517.0501.0456.0506.0550.0NANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments wm:OperatingGroup█▁4476.04112.0NA3861.03561.03729.0NA3967.03946.03696.0NA3822.03739.03511.0NA3716.03677.03440.03460.03548.03425.03176.03246.03360.03315.03040.03437.03602.03561.03396.03500.03621.03526.03336.03434.03461.03459.03295.03406.03522.03347.0NANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments wm:SolidWaste█▁3779.03470.0NA3269.03032.03204.0NA3411.03396.03139.0NA3238.03182.02958.0NA3118.03076.02885.0NA2990.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments wm:TierOne▁█986.01319.0NA1226.01147.01223.0NA1310.01310.01215.0NA1229.01216.01132.0NA1174.01159.01102.01088.01126.01087.01029.02051.0742.0731.0703.0733.0757.0747.0721.0719.0758.0747.0710.0704.0716.0719.0710.0NANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments wm:TierThree█▁1621.01360.0NA1268.01178.01247.0NA1522.01517.01402.0NA1465.01426.01324.0NA1398.01380.01094.01887.01141.01114.01048.01955.0732.0726.0672.0730.0763.0760.0712.0770.0783.0732.0698.0748.0725.0725.0692.0NANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments wm:TierTwo█▁1172.0791.0NA775.0707.0734.0NA579.0569.0522.0NA544.0540.0502.0NA546.0537.0689.0-64.0723.0698.0639.0-1244.01369.01357.01209.01314.01355.01340.01234.01308.01359.01328.01241.01284.01306.01318.01269.0NANANANANANANANANANANANA
 SG&A Ratio us-gaap:BusinessAcquisition wm:AdvancedDisposalServicesNANA205.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▆▆▆▆▆▅▆▆▆▆▆▆▆▆█▆▆▅▅▅▅▅▅▅▅▃▆▅▅▅▁▅▅▄▅▅▅▅▅▅▅▅▅▅▅▅373.0430.0493.0415.0357.0278.0472.0484.0412.0381.0460.0532.0478.0365.0897.0433.0395.0312.0318.0288.0296.0327.0237.0278.0290.0-202.0536.0212.0256.0163.0-620.0326.0218.0135.0217.0251.0165.0205.0294.0157.0239.0213.0327.0264.0176.0208.0NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▆▆▆▆▅▅▆▆▆▆▆▆▆▆█▆▆▅▅▅▅▅▅▅▅▃▆▅▅▅▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅373.0430.0493.0415.0357.0278.0472.0484.0413.0381.0460.0531.0478.0364.0897.0435.0394.0311.0317.0290.0295.0325.0237.0280.0289.0-204.0544.0223.0268.0172.0-614.0332.0230.0143.0228.0260.0176.0217.0306.0170.0252.0223.0340.0278.0188.0218.0NANANANA
us-gaap:CostOfGoodsAndServicesSold █▆▆▄▃▄▄▅▅▄▅▅▄▃▄▄▄▃▃▃▃▁▂▂▃▁▃▄▄▄▄▄▄▃▃▄▄▃2736.02514.02500.02332.02180.02329.02314.02441.02443.02298.02379.02373.02313.02184.02263.02302.02290.02166.02147.02216.02130.01993.02027.02095.02163.01946.02170.02299.02301.02232.02267.02325.02311.02209.02224.02229.02260.02166.0NA2261.02140.0NANANANANANANANANA
us-gaap:CostsAndExpenses ▇▆▅▄▄▄▄▅▅▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▁▂▄▄▃█▄▃▃▃▃▃▃▃▃▃▂▁▂▁▁3685.03462.03413.03181.03034.03156.03191.03233.03250.03075.03075.03123.03024.02903.02948.03015.03004.02882.02843.02988.02814.02668.02744.02759.02813.02600.02685.03056.03029.02927.03910.03044.03016.02934.02950.02961.02993.02894.02854.02979.02841.02676.02613.02691.02572.02523.0NANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt -220.0NA-1.0-52.0NANA0.0-1.0-84.0NANANANANANANANANA0.00.0-3.0-1.0-3.00.0-2.0-550.0NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:BusinessAcquisition,us-gaap:DebtInstrument wm:AdvancedDisposalServices,wm:AdvancedDisposalSeniorNotes5.625PercentDueNovember2024NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument wm:SeniorNotesAggregateNANANANANANANANA-84.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument wm:SeniorNotesMandatoryRedemptionFeatureNANANA-52.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▇▇▇▇▇▇▇█▇▇███▇███▇▇▇▇▇▇▇▇▃█▇▇▆▁▇▆▆▆▆▆▆▇▇▆456.0545.0547.0516.0395.0435.0531.0615.0497.0462.0659.0597.0609.0511.0584.0603.0570.0434.0510.0457.0459.0396.0397.0496.0389.0-222.0599.0414.0402.0336.0-603.0452.0383.0262.0349.0348.0334.0272.0412.0421.0381.0NANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▇▇▇▇▆▆▆▇▇▇▇▆▇▇▁██▇▇▇▇▇▇▇▇▄▅▇█▆▅▇▇▆▇▇▇▆▇▇▇▇▇▇█▇105.0124.0109.0126.088.074.084.0120.0115.0115.0128.099.0110.0116.0-319.0215.0209.0137.0176.0153.0173.0140.0124.0159.0116.0-91.01.0133.0180.099.0-4.0155.0127.086.0114.0125.0115.089.0134.0136.0131.0110.0160.0153.0206.0110.0NANANANA
 us-gaap:InterestExpense us-gaap:DebtInstrument,us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship wm:SeniorNotesAggregate,us-gaap:CashFlowHedgingNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestExpense us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName wm:InvestmentInLowIncomeHousingPropertiesNA2.0NANANA3.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestExpense us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName wm:InvestmentsQualifyingForFederalTaxCredits3.0NA2.03.03.03.03.02.02.02.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestIncomeExpenseNonoperatingNet ▆▆▆▆▁▃▃▄▆▇▆▇▇█████▇▇▇▇█▇▇-98.0-97.0-97.0-97.0-119.0-112.0-110.0-105.0-100.0-96.0-97.0-93.0-93.0-91.0-91.0-90.0-90.0-92.0-94.0-94.0-93.0-95.0-91.0-95.0-95.0NANANANA-121.0-116.0-119.0NA-121.0-122.0-121.0NANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▄▅▅▅▄▄▅▅▄▄▅▅▅▅█▄▄▄▄▄▄▄▄▄▄▁351.0421.0438.0390.0307.0361.0447.0495.0381.0347.0531.0499.0499.0396.0903.0386.0362.0298.0335.0302.0287.0258.0273.0335.0274.0-129.0NANA210.0228.0-605.0291.0244.0168.0224.0214.0208.0171.0266.0272.0237.0186.0281.0244.0246.0182.0315.0277.0247.0155.0
us-gaap:OperatingIncomeLoss █▇▇▇▆▇▇█▇▇█▇█▇▇▇▇▇▇▇▇▆▆▇▆▆█▇▆▆▁▇▆▆▆▆▆▆▇▇▆▆▇▇▇▆▆▆▇▆791.0650.0654.0680.0527.0573.0655.0734.0696.0621.0767.0699.0715.0608.0704.0701.0673.0558.0617.0560.0611.0508.0502.0601.0502.0440.0752.0546.0532.0469.0-410.0577.0510.0402.0484.0500.0466.0401.0552.0543.0506.0427.0574.0544.0586.0412.0456.0525.0534.0372.0
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax █▁█▅▄▂▂▂▂▂▂▂▂6.01.06.04.03.02.02.02.02.02.02.02.02.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▆▆▇▆▇▁▆▄▆▆▁▆▄▃▅▇▆▆▄▄▅█▃▂▆▁▃▂▇▂▃▇▃▃▅▇▄▆▆▁▅13.013.043.019.034.0-76.019.0-17.025.028.0-72.022.0-23.0-32.0-10.046.030.010.0-23.0-16.06.061.0-36.0-60.013.0-76.0-44.0-61.040.0-59.0-31.032.0-37.0-32.0-8.039.0-22.024.028.0-82.08.0NANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆▆▇▆▇▂▆▅▇▇▃▇▅▄▅▇▇▆▅▅▆█▄▃▆▃▃▃▇▃▅▇▄▄▅▇▄▇▆▁▅22.09.055.025.050.0-83.025.0-11.031.034.0-71.033.0-21.0-31.0-6.047.033.014.0-17.0-14.09.069.0-36.0-57.016.0-73.0-54.0-58.046.0-65.0-15.035.0-26.0-33.0-7.037.0-43.034.028.0-115.02.0NANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▁▆█▆▆-6.01.03.01.01.0NA2.01.01.0-54.01.00.00.01.0NANANANA-1.00.0-40.0-9.0-5.0-1.0-1.0NA-22.0-2.0-2.0-3.0-62.0-3.02.0-11.0-2.0-14.0-1.0-1.0-8.02.01.01.03.00.00.02.0NANANANA
us-gaap:ProfitLoss ▅▆▆▆▅▅▆▆▆▅▆▆▆▆█▆▅▅▅▅▅▅▅▅▅▃▇▅▅▅▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅351.0421.0438.0390.0307.0361.0447.0495.0382.0347.0531.0498.0499.0395.0903.0388.0361.0297.0334.0304.0286.0256.0273.0337.0273.0-131.0598.0281.0222.0237.0-599.0297.0256.0176.0235.0223.0219.0183.0278.0285.0250.0196.0294.0258.0258.0192.0331.0292.0267.0170.0
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▆▆▅▄▅▅▆▆▅▅▅▅▄▅▅▅▄▄▄▄▃▃▃▃▂▄▄▄▃▄▄▄▃▄▄▄▃▄▄▃▂▃▃▂▂▂▂▂▁4476.04112.04067.03861.03561.03729.03846.03967.03946.03696.03842.03822.03739.03511.03652.03716.03677.03440.03460.03548.03425.03176.03246.03360.03315.03040.03437.03602.03561.03396.03500.03621.03526.03336.03434.03461.03459.03295.03406.03522.03347.03103.03187.03235.03158.02935.03006.03023.02952.02810.0
us-gaap:Revenues █▆▆▅▄▅▅▆▆▅▅▅▅▄▅▅▅▄▄▄▄▃▃▃▃▂▄▄▄▃▄▄▄▃▄▄▄▃▄▄▃▂▃▃▂▂▂▂▂▁4476.04112.04067.03861.03561.03729.03846.03967.03946.03696.03842.03822.03739.03511.03652.03716.03677.03440.03460.03548.03425.03176.03246.03360.03315.03040.03437.03602.03561.03396.03500.03621.03526.03336.03434.03461.03459.03295.03406.03522.03347.03103.03187.03235.03158.02935.03006.03023.02952.02810.0
us-gaap:SellingGeneralAndAdministrativeExpense ▆▆█▄▃▅▆▃▄▄▃▂▃▃▃▂▂▄▃▁▂▂▂▁▁▂▃▃▂▃▃▂▂▄▂▁▃▄▄▃▃▃▄▃▂▂445.0458.0510.0416.0377.0425.0445.0386.0391.0409.0370.0345.0365.0373.0369.0356.0353.0390.0378.0330.0340.0362.0343.0330.0322.0348.0376.0377.0353.0375.0376.0349.0353.0390.0356.0335.0374.0407.0407.0380.0382.0382.0396.0369.0345.0351.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:Assets ███▄▆▆▇▆▅▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▂▂▂▃▃▄▃▃▃▃▃▃▃▂▂▂▂29037.029070.029345.024772.026619.027178.027743.027109.025986.023373.022650.022591.022014.022106.021829.020949.020839.020650.020859.020756.020752.020781.020419.020402.020578.020691.021412.022211.022179.022442.022603.023613.023012.023155.023097.023073.022691.022535.022569.022052.021583.021648.021476.0NANANA21154.0NANANA
us-gaap:Liabilities ███▄▆▇▇▆▆▃▂▂▂▂▂▂▁▁▂▁▂▂▁▁▁▁▂▃▂▃▃▃▂▃▃▃▂▂▂▂▁▁▁21683.021641.021891.017615.019726.020433.020673.020322.019519.016956.016374.016350.015958.016041.015787.015649.015332.015112.015539.015373.015524.015471.015052.015145.015171.015116.015523.016548.016032.016403.016601.016598.016194.016439.016422.016461.016204.016054.016179.015767.014960.015016.014885.0NANANA14563.0NANANA
us-gaap:LiabilitiesAndStockholdersEquity ███▄▆▆▇▆▅▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▂▂▂▃▃▄▃▃▃▃▃▃▃▂▂▂▂29037.029070.029345.024772.026619.027178.027743.027109.025986.023373.022650.022591.022014.022106.021829.020949.020839.020650.020859.020756.020752.020781.020419.020402.020578.020691.021412.022211.022179.022442.022603.023613.023012.023155.023097.023073.022691.022535.022569.022052.021583.021648.021476.0NANANA21154.0NANANA
us-gaap:StockholdersEquity ███▇▆▆▇▆▅▅▄▄▄▄▄▁▂▂▁▁▁▁▁▁▂▂▃▁▃▃▃▆▅▅▅▄▄▄▄▃▄▄▄7352.07427.07452.07155.06891.06743.07068.06785.06466.06415.06275.06239.06054.06044.06019.05278.05486.05517.05297.05359.05208.05290.05345.05235.05386.05554.05866.05364.05853.05737.05707.06708.06509.06395.06354.06288.06168.06159.06070.05948.06291.06298.06260.0NANANA6285.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:AssetsCurrent ▃▃▃▃▆▇█▇▆▁▂▂▁▁▂▁▁▁▁▁▁▁▁▁▂▂▃▄▁▂▁▁▁▁▁▂▁▁▁▁▁▂▁3226.03327.03540.03357.05106.05635.06209.05560.04836.02488.02645.02675.02471.02491.02624.02300.02326.02223.02376.02293.02276.02302.02345.02399.02553.02617.03641.04116.02355.02535.02499.02417.02404.02497.02423.02659.02454.02285.02379.02419.02374.02548.02482.0NANANA3010.0NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁▂▂▂▆▇█▇▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▄▁▁▂▁▁▁▂▁▂▁▁▁▂▂▂▂▂▃▃▃148.0476.0553.0703.02663.03125.03561.02915.02250.057.061.083.047.052.022.035.032.030.032.030.039.0104.039.0113.0273.0277.01307.0183.0137.0339.058.0157.0154.0307.0194.0398.0237.0189.0258.0282.0371.0676.0539.0550.01169.0871.01140.0NANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▁▂▂▂▆▇█▇▅▁▁▂▂▂▁▁▁▁▁297.0606.0648.0813.02772.03237.03647.03020.02342.0315.0183.0430.0419.0426.0293.0102.097.094.094.0NANANA104.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent █▆▇▅▅▅▆▆▆▅▅▆▅▃▄▄▄▃▃▃▃▂▂▂▂▁▂▃▃▃▃▄▄▃▄▄▃▂▃▃▂▁▁2195.02025.02097.01927.01888.01846.01949.02010.02017.01830.01931.01943.01838.01700.01805.01790.01772.01634.01700.01716.01650.01532.01549.01570.01578.01489.01587.01643.01710.01661.01699.01751.01730.01658.01737.01760.01694.01580.01631.01686.01609.01464.01510.0NANANA1408.0NANANA
us-gaap:OtherAssetsCurrent █▇▅█▅▅▅▆▅▅▄▂▂▂▂▃▁▁▁▂▁▁▁▁▂▂▃▁▂▃▃▂▂▂▂▃▃▂▁▂▁▂▁307.0300.0239.0320.0218.0226.0223.0256.0222.0245.0207.0147.0135.0137.0132.0164.0121.0126.0122.0130.0121.0118.0120.0113.0143.0153.0176.0123.0149.0175.0163.0138.0143.0150.0140.0159.0166.0153.0115.0153.0114.0137.0117.0NANANA117.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:PropertyPlantAndEquipmentGross NANA34243.0NANANA31550.0NANANA30206.0NANANA29263.0NANANA28102.0NANANA27085.0NANANA26625.0NANANA29067.0NANANANANANANA27550.0NANANA26558.0NANANA25535.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovementsNANA3529.0NANANA3174.0NANANA2998.0NANANA2846.0NANANA2667.0NANANA2546.0NANANA2588.0NANANA3594.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ContainersNANA2869.0NANANA2616.0NANANA2588.0NANANA2571.0NANANA2469.0NANANA2426.0NANANA2377.0NANANA2449.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA740.0NANANA656.0NANANA656.0NANANA624.0NANANA608.0NANANA592.0NANANA611.0NANANA636.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandfillNANA16842.0NANANA15910.0NANANA15240.0NANANA14904.0NANANA14276.0NANANA13772.0NANANA13463.0NANANA13416.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:MachineryAndEquipmentNANA3293.0NANANA3140.0NANANA2988.0NANANA2824.0NANANA2639.0NANANA2499.0NANANA2470.0NANANA3888.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:VehiclesNANA6219.0NANANA5344.0NANANA5059.0NANANA4750.0NANANA4433.0NANANA4257.0NANANA4131.0NANANA4115.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType wm:FurnitureFixturesAndOfficeEquipmentNANA751.0NANANA710.0NANANA677.0NANANA744.0NANANA1010.0NANANA993.0NANANA985.0NANANA969.0NANANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▇█▇▇▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▃▃▃▃▄▄▄▄▃▃▃▃▂▂▂▂▁▁▁19995.019647.020095.019266.019031.018763.018657.018499.018619.018355.018264.018174.018050.017860.017704.017826.017572.017284.017152.017003.016820.016597.016420.016385.016203.016030.015968.016036.016998.016874.016723.016805.016540.016321.016112.016005.015735.015545.015308.015107.014957.014713.014690.0NANANA13994.0NANANA
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures ▆▆▆▆▆▇██▃▃▅▆▁▁▁▂▂▂▃▃▃▄▄417.0426.0426.0425.0439.0451.0483.0494.0333.0334.0406.0419.0254.0266.0269.0287.0289.0295.0320.0326.0321.0371.0360.0NANANA408.00.00.0NA591.0656.0653.0658.0667.0652.0656.0646.0637.0NANANA471.0NANANANANANANA
us-gaap:Goodwill ███▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▂▂▂▃▂▂▂▂▂▂▂▂▁▁▁8992.08980.08994.06504.06512.06498.06532.06550.06512.06479.06430.06390.06346.06327.06247.06267.06248.06223.06215.06227.06230.06215.05984.05886.05880.05855.05740.05766.06094.06068.06070.06593.06391.06399.06291.06259.06237.06234.06215.06104.05793.05771.05726.0NANANA5632.0NANANA
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill NANA19.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▇██▂▃▃▃▃▃▄▄▃▃▄▃▄▄▄▄▄▄▄▃▃▃▄▂▃▃▃▃▄▂▂▂▂▂▂▃▂▁▁▁956.0990.01024.0450.0472.0494.0521.0543.0547.0570.0572.0554.0553.0597.0547.0561.0573.0572.0591.0617.0632.0645.0477.0495.0512.0564.0440.0464.0493.0503.0529.0569.0411.0424.0397.0405.0416.0450.0457.0397.0310.0318.0295.0NANANA238.0NANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA1024.0NANANA521.0NANANA572.0NANANA547.0NANANA591.0NANANA477.0NANANA440.0NANANA529.0NANANA397.0NANANA457.0NANANA295.0NANANA238.0NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:NoncompeteAgreementsNANA22.0NANANA36.0NANANA36.0NANANA27.0NANANA28.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass wm:CustomerAndSupplierRelationshipsNANA939.0NANANA437.0NANANA488.0NANANA458.0NANANA493.0NANANA388.0NANANA345.0NANANA411.0NANANA259.0NANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass wm:LicensesPermitsAndOtherNANA63.0NANANA48.0NANANA48.0NANANA62.0NANANA70.0NANANA73.0NANANA76.0NANANA88.0NANANA95.0NANANA134.0NANANA121.0NANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset NANA466.0NANANA424.0461.0378.0388.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▆▅▅▅▅▅▅▅▄▅▂▂▂▂▁▂▂▂▂▂▂▂▃▃▃▃▃▃▅▅▅▅▄▄▄▃▃▄▄███▇890.0861.0866.0821.0791.0814.0792.0821.0739.0746.0359.0344.0346.0366.0264.0398.0401.0408.0407.0451.0452.0452.0588.0589.0578.0579.0526.0573.0787.0764.0747.0757.0684.0665.0668.0580.0568.0621.0639.01221.01187.01156.01105.0NANANA733.0NANANA
us-gaap:EquitySecuritiesFvNi NANA314.0NANANA377.0NANANA257.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:AccountsPayableCurrent █▇▆▄▄▅▅▄▄▄▅▄▃▃▅▃▃▂▃▂▂▁▂▂▂▂▃▂▂▂▃▃▂▂▃▃▂▂▃▂▁▁▂1393.01212.01121.0884.0904.01031.01065.0903.0908.0899.01037.0940.0829.0791.01040.0789.0808.0720.0799.0689.0620.0591.0721.0671.0707.0634.0740.0712.0692.0663.0744.0763.0696.0674.0842.0787.0720.0662.0838.0676.0576.0546.0692.0NANANA567.0NANANA
us-gaap:AccruedLiabilitiesCurrent █▆▇▆▅▄▇█▇▄▄▅▄▂▁▄▃▁▃▃▃▁▃▃▃▂▅▃▂▂▃▃▃▃▁▄▄▃▄▄▃▃▃1372.01281.01342.01259.01184.01155.01327.01358.01296.01158.01117.01171.01131.01031.0980.01136.01075.0963.01085.01068.01089.0980.01064.01095.01095.01008.01180.01100.01031.01016.01069.01059.01069.01084.0986.01115.01145.01060.01129.01153.01056.01074.01100.0NANANA1128.0NANANA
us-gaap:ContractWithCustomerLiabilityCurrent █▇▆▁▁▁▅▄▅▃▄▃▄▁▂557.0548.0539.0496.0494.0497.0534.0517.0526.0512.0522.0512.0517.0495.0503.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DebtCurrent ▂▁▂▁█▂▁▁▁▃▂▂▃▃▂▃▂▂▂▂▂▂▁▁▁▁▃▃▃▄▂▂▃▃▂▃▃▃▂▁▁▁▁361.0244.0551.0167.03190.0387.0218.0211.0116.01043.0432.0447.0828.01056.0739.0850.0390.0396.0417.0432.0614.0524.0253.0215.0196.0168.01090.01141.0786.01216.0726.0568.0776.0964.0743.0826.0853.0860.0631.0225.0198.0285.0233.0NANANA749.0NANANA
us-gaap:LiabilitiesCurrent ▄▃▄▂█▃▃▂▂▄▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▃▄▂▃▂▂▂▃▃▃▃▃▃▂▁▁▁3683.03285.03553.02806.05772.03070.03144.02989.02846.03612.03108.03070.03305.03373.03262.03259.02770.02558.02794.02664.02806.02560.02510.02442.02477.02273.03485.03789.02980.03357.03014.02862.03022.03188.03036.03187.03187.03047.03068.02527.02295.02363.02485.0NANANA2901.0NANANA
us-gaap:OperatingLeaseLiabilityCurrent NANA63.0NANANA79.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 us-gaap:LongTermDebt us-gaap:ConsolidatedEntities,us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName us-gaap:VariableInterestEntityNotPrimaryBeneficiary,wm:InvestmentInLowIncomeHousingPropertiesNA196.0210.0NANANA269.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DebtAndCapitalLeaseObligations ▇██▃▇▇█▇▆▃▃▃▂▃▂▂▁▁▂▂▂▂▁▁▁▁▂▃▂▃▃▃▂▃▂▃▂▂▂▂▁▁▁13244.013488.013810.010422.012788.013452.013498.013358.012739.010366.010026.010016.09796.09957.09491.09345.09057.09042.09310.09261.09530.09596.08981.09050.09106.09207.09435.010164.09797.010194.010226.010059.09770.010000.09900.010000.09800.09800.09800.09600.09000.09200.08900.0NANANA8900.0NANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations ▇██▄▃███▇▂▃▃▂▂▂▁▁▁▂▂▂▂▂▂▂▂▁▂▂▂▃▃▂▂▂▂▂▂▂▂▂▂▁12883.013244.013259.010255.09598.013065.013280.013147.012623.09323.09594.09569.08968.08901.08752.08495.08667.08646.08893.08829.08916.09072.08728.08835.08910.09039.08345.09023.09011.08978.09500.09491.08994.09045.09173.09166.08973.08989.09125.09388.08839.08882.08674.0NANANA8124.0NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▇██▃▂▂▃▂▁1744.01805.01806.01468.01367.01387.01407.01331.01289.0NA1291.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▇▇▇▇▇▇██████████2.02.02.02.02.02.02.02.01.02.01.02.02.021.023.022.021.021.023.024.020.020.022.022.021.021.023.0299.0294.0302.0295.0307.0309.0321.0321.0324.0319.0322.0320.0337.0332.0334.0331.0NANANA306.0NANANA
us-gaap:OtherLiabilitiesNoncurrent ████▆▆▆▆▅▅▁▂▂▃▄▃▃▃▃▄▄▄▅▄▄▄▃▃▃▃▃▄▄▄▄▄▃▃▃▃▃▃▂1074.01045.01051.01049.0959.0920.0912.0938.0861.0858.0553.0634.0625.0714.0755.0716.0696.0695.0695.0769.0785.0795.0839.0773.0783.0745.0709.0679.0705.0721.0727.0744.0768.0792.0807.0759.0728.0703.0698.0710.0686.0676.0662.0NANANA672.0NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent NANA453.0NANANA366.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA71.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA64.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA55.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA42.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA362.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:StockholdersEquity ███▇▆▆▇▆▅▅▄▄▄▄▄▁▂▂▁▁▁▁▁▁▂▂▃▁▃▃▃▆▅▅▅▄▄▄▄▃▄▄▄7352.07427.07452.07155.06891.06743.07068.06785.06466.06415.06275.06239.06054.06044.06019.05278.05486.05517.05297.05359.05208.05290.05345.05235.05386.05554.05866.05364.05853.05737.05707.06708.06509.06395.06354.06288.06168.06159.06070.05948.06291.06298.06260.0NANANA6285.0NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ███▇▆▆▇▆▅▅▄▄▄▄▄▁▂▂▁▁▁▁▁▁▂▂▃▂▄▄▃▇▆▆▆▅▅▅▅▄▅▅▅7354.07429.07454.07157.06893.06745.07070.06787.06467.06417.06276.06241.06056.06065.06042.05300.05507.05538.05320.05383.05228.05310.05367.05257.05407.05575.05889.05663.06147.06039.06002.07015.06818.06716.06675.06612.06487.06481.06390.06285.06623.06632.06591.0NANANA6591.0NANANA
us-gaap:AdditionalPaidInCapitalCommonStock █▇██▇▇▇▇▆▆▇▆▆▆▆▅▅▅▅▅▅▄▅▅▄▄▂▁▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂5104.05071.05129.05104.05040.05026.05049.05026.04962.04978.04993.04927.04935.04916.04933.04806.04828.04885.04850.04874.04802.04795.04827.04805.04778.04766.04585.04466.04624.04607.04596.04582.04569.04553.04549.04546.04540.04540.04561.04553.04545.04536.04528.0NANANA4543.0NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ███▇▇▇▇▇▆▆▆▅▅▅▄▃▃▃▂▂▂▂▂▂▂▁▂▁▁▁▁▂▂▂▂▂▂▂▂▁▁▁▁11444.011337.011159.010952.010795.010718.010592.010364.010088.09924.09797.09464.09166.08867.08588.07871.07671.07497.07388.07235.07116.07012.06939.06840.06680.06582.06888.06473.06376.06342.06289.07066.06948.06875.06879.06820.06771.06727.06721.06613.06499.06424.06400.0NANANA6053.0NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▄▄▃▃▂▃▃▃▂▂▃▂▃▃▄▃▂▂▂▂▂▁▂▃▂▄▅▆▅▆▆▆▆▇▇▆▇▆▆██▇70.048.039.0-16.0-41.0-91.0-8.0-33.0-22.0-53.0-87.0-16.0-49.0-28.08.014.0-33.0-66.0-80.0-63.0-49.0-58.0-127.0-91.0-34.0-50.023.077.0135.089.0154.0169.0134.0160.0193.0200.0163.0206.0172.0144.0259.0257.0230.0NANANA208.0NANANA
us-gaap:MinorityInterest ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▇▇▇▇▇▇██████████2.02.02.02.02.02.02.02.01.02.01.02.02.021.023.022.021.021.023.024.020.020.022.022.021.021.023.0299.0294.0302.0295.0307.0309.0321.0321.0324.0319.0322.0320.0337.0332.0334.0331.0NANANA306.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇█▂▆▃▂▆▅▆▄▄▄▅▃▂▃▃▁▂1043.01120.0753.01029.0856.0765.01022.0952.01010.0890.0912.0874.0975.0809.0790.0855.0813.0722.0754.0NANANANANANANANANANANA597.0736.0545.0577.0577.0574.0669.0475.0732.0659.0478.0600.0622.0677.0480.0496.0NANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ██▁████▇▇▇▇██▇█████-374.0-334.0-3606.0-323.0-415.0-503.0-280.0-531.0-765.0-800.0-663.0-496.0-373.0-637.0-395.0-311.0-336.0-337.0-382.0NANANANANANANANANANANA-468.0-739.0-272.0-421.0-469.0-458.0-400.0-503.0-650.0-711.0-362.0-462.0-431.0-352.0-388.0-435.0NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▃█▁▃▄▄▅▇▅▄▄▄▄▄▄▄▄▄-980.0-830.02685.0-2669.0-907.0-668.0-116.0258.01780.042.0-493.0-368.0-609.0-38.0-407.0-545.0-474.0-385.0-370.0NANANANANANANANANANANA-228.06.0-424.0-41.0-311.043.0-220.0-42.0-107.0-34.0-422.0-3.0-204.0-946.0208.0-331.0NANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▄▄▁▄▄▆▆█▅▄▄▄▅▅▄-309.0-42.0-165.0-1959.0-465.0-410.0627.0678.02027.0132.0-247.011.0-7.0133.0191.05.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▄▅▇▇▄▅▆▆▅▅▆▅▅▅▁▄▄▆▆▆▄▆▅▇▃▆▄▄▄▅▁▆▅▅▆▅▅▅█▅▆▅▆▆▆▅-53.0-14.0104.096.0-31.0-4.071.041.0-13.01.057.0-11.0-6.0-15.0-205.0-43.0-39.036.053.034.0-46.032.0-16.088.0-80.038.0-33.0-37.0-33.0-15.0-182.062.0-4.0-25.055.04.05.03.0150.09.042.0-3.059.070.024.01.0NANANANA
us-gaap:DepreciationDepletionAndAmortization █▇▆▅▅▅▅▅▅▄▄▄▄▃▃▃▃▃▂▃▃▂▂▃▂▁▂▃▃▂▃▃▃▂▃▃▂▂▂▂▂▂▁▂▂▁500.0472.0436.0419.0414.0402.0395.0404.0409.0366.0370.0376.0384.0347.0342.0350.0356.0328.0313.0336.0340.0312.0301.0330.0322.0292.0307.0329.0339.0317.0327.0344.0339.0323.0326.0331.0323.0317.0294.0317.0319.0299.0277.0317.0309.0291.0NANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇█▂▆▃▂▆▅▆▄▄▄▅▃▂▃▃▁▂1043.01120.0753.01029.0856.0765.01022.0952.01010.0890.0912.0874.0975.0809.0790.0855.0813.0722.0754.0NANANANANANANANANANANA597.0736.0545.0577.0577.0574.0669.0475.0732.0659.0478.0600.0622.0677.0480.0496.0NANANANA
us-gaap:NetIncomeLoss ▄▅▅▅▄▄▅▅▄▄▅▅▅▅█▄▄▄▄▄▄▄▄▄▄▁351.0421.0438.0390.0307.0361.0447.0495.0381.0347.0531.0499.0499.0396.0903.0386.0362.0298.0335.0302.0287.0258.0273.0335.0274.0-129.0NANA210.0228.0-605.0291.0244.0168.0224.0214.0208.0171.0266.0272.0237.0186.0281.0244.0246.0182.0315.0277.0247.0155.0
us-gaap:ProfitLoss ▅▆▆▆▅▅▆▆▆▅▆▆▆▆█▆▅▅▅▅▅▅▅▅▅▃▇▅▅▅▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅351.0421.0438.0390.0307.0361.0447.0495.0382.0347.0531.0498.0499.0395.0903.0388.0361.0297.0334.0304.0286.0256.0273.0337.0273.0-131.0598.0281.0222.0237.0-599.0297.0256.0176.0235.0223.0219.0183.0278.0285.0250.0196.0294.0258.0258.0192.0331.0292.0267.0170.0
us-gaap:ShareBasedCompensation ▄▄▄█▂▃▄▄▃▅▅▄▃▄▅▄▃▆▄▃▄▅▄▄▂▄▄▃▃▃▃▃▃▄▂▂▁▃▂▃▂▃▂▂▂▃22.023.020.051.010.013.024.019.016.027.026.022.018.023.027.020.018.036.023.016.021.030.019.023.010.020.025.011.014.015.013.011.013.021.08.06.00.015.07.011.010.017.08.08.08.012.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ██▁████▇▇▇▇██▇█████-374.0-334.0-3606.0-323.0-415.0-503.0-280.0-531.0-765.0-800.0-663.0-496.0-373.0-637.0-395.0-311.0-336.0-337.0-382.0NANANANANANANANANANANA-468.0-739.0-272.0-421.0-469.0-458.0-400.0-503.0-650.0-711.0-362.0-462.0-431.0-352.0-388.0-435.0NANANANA
us-gaap:PaymentsToAcquireProductiveAssets ▅▂▅▄▅▆▂▆█▆▆▅▅▅▇▄▃▃▄▃▃▃▄▃▃▁▄▃▁▂▆▃▂▂▄▅▄▄▅▃▂▃▄▂▁▂396.0270.0394.0343.0436.0459.0286.0483.0578.0471.0454.0404.0436.0400.0528.0350.0299.0332.0377.0333.0312.0317.0369.0335.0296.0233.0370.0307.0208.0266.0447.0323.0235.0266.0378.0402.0351.0379.0415.0313.0280.0316.0367.0262.0220.0255.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▃█▁▃▄▄▅▇▅▄▄▄▄▄▄▄▄▄-980.0-830.02685.0-2669.0-907.0-668.0-116.0258.01780.042.0-493.0-368.0-609.0-38.0-407.0-545.0-474.0-385.0-370.0NANANANANANANANANANANA-228.06.0-424.0-41.0-311.043.0-220.0-42.0-107.0-34.0-422.0-3.0-204.0-946.0208.0-331.0NANANANA
us-gaap:PaymentsOfDividendsCommonStock ██▇▇▇▇▆▆▆▆▄▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁242.0247.0231.0230.0230.0236.0218.0218.0217.0223.0197.0199.0200.0206.0184.0185.0187.0194.0180.0182.0181.0183.0172.0172.0175.0176.0172.0172.0175.0174.0171.0171.0171.0170.0165.0164.0165.0164.0156.0158.0161.0162.0150.0149.0152.0153.0NANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▄▄▁▁▁▇▁▁▄▂▅▄▅▄▁█250.0250.00.00.00.0402.00.00.0180.068.0254.0200.0300.0250.00.0500.0NANA225.00.0250.0250.00.0300.0NANA0.0NANANANANANANANANANANA47.0360.0105.063.058.0157.0166.0120.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:BusinessAcquisition,us-gaap:DebtInstrument wm:AdvancedDisposalServices,wm:AdvancedDisposalSeniorNotes5.625PercentDueNovember2024NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument wm:CanadianSeniorNotes2.6e-06NA2.6e-062.6e-062.5999999999999998e-082.5999999999999998e-082.5999999999999998e-082.5999999999999998e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument wm:SeniorNotes4.60PercentDueMarch2021NANANA4.6e-064.6e-084.6e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:DebtInstrument srt:Maximum,wm:SeniorNotesAggregate7.75e-06NANA7.75e-067.75e-087.75e-087.75e-087.75e-087.75e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:DebtInstrument srt:Maximum,wm:TaxExemptBonds4.2999999999999995e-06NANA4.2999999999999995e-064.2999999999999995e-085.5e-084.2999999999999995e-084.2999999999999995e-084.2999999999999995e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:DebtInstrument srt:Minimum,wm:SeniorNotesAggregate7.5e-07NANA2.4e-062.4e-082.4e-082.4e-082.4e-082.4e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:DebtInstrument srt:Minimum,wm:TaxExemptBonds5.0000000000000004e-08NANA1.7000000000000001e-071e-091.1e-081.35e-081.35e-081.35e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value6306306306306306300.6302826306306300.6302826306306300.630282630630630630630630630630630630
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value-209.467-208.201-207.481-207.695-208.118-208.287-0.205956-206.122-206.482-205.556-0.206299-203.157-201.906-198.511-0.196964-196.077-190.571-188.377-190.967-188.285-188.54-185.559-183.105-171.745-165.962
Percentage of SharesOutstanding-33.2-33.0-32.9-33.0-33.0-33.0-32.7-32.7-32.8-32.6-32.7-32.2-32.0-31.5-31.3-31.1-30.2-29.9-30.3-29.9-29.9-29.4-29.1-27.2-26.3

Preferred Stock Shares Authorized

us-gaap:PreferredStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized


Preferred
Period End2020-12-31
Value10000000.0
Percentage of PreferredStockSharesAuthorized100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value420422422422422422424424423424424427428431433434439441439442441444447446451457458457465465464469468466464463463462460461472474475475478483486490
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value423424424423426427427426430432435440444444445446448452458458463468466471469466464464463469476477481485488
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value421422422422424424424424427429433437441441442444446449455458460465465469467465464463462468474475477482485
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value0.62.61.32.12.10.71.13.01.51.93.01.92.33.00.50.52.52.02.3110.40.82.80.51.27.38.18.38.39.90.10.10.20.23.7
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value0.831.01.040.920.730.851.051.170.90.821.251.161.160.912.080.880.820.680.760.680.650.580.610.750.6-0.281.290.590.450.49-1.290.620.520.360.480.460.450.370.580.580.50.390.590.510.510.370.650.560.50.31
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value0.830.991.030.920.720.851.051.160.890.811.241.161.150.912.060.870.810.670.750.680.640.580.610.740.6-0.281.280.580.450.49-1.290.620.520.360.480.460.450.370.580.580.50.390.590.510.510.370.640.560.50.31
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value373430493415357278472484412381460532478365897433395312318288296327237278290-202.0536212256163-620.0326218135217251165205294157239213327264176208
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.310.50.010.710.07.512.312.210.410.312.013.912.810.424.611.710.79.19.28.18.610.37.38.38.7-6.615.65.97.24.8-17.79.06.24.06.37.34.86.28.64.57.16.910.38.25.67.1

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value373430493415357278472484413381460531478364897435394311317290295325237280289-204.0544223268172-614.0332230143228260176217306170252223340278188218
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.310.50.010.710.07.512.312.210.510.312.013.912.810.424.611.710.79.09.28.28.610.27.38.38.7-6.715.86.27.55.1-17.59.26.54.36.67.55.16.69.04.87.57.210.78.66.07.4

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value2736251425002332218023292314244124432298237923732313218422632302229021662147221621301993202720952163194621702299230122322267232523112209222422292260216622612140
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax61.161.10.060.461.262.560.261.561.962.261.962.161.962.262.061.962.363.062.162.562.262.862.462.465.264.063.163.864.665.764.864.265.566.264.864.465.365.764.263.9

us-gaap:CostOfGoodsAndServicesSold us-gaap:BusinessAcquisition

wm:AdvancedDisposalServices


Cost
Period End2020-12-31
Value142
Percentage of CostOfGoodsAndServicesSold5.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:AdvancedDisposalServices69.3

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3685346234133181303431563191323332503075307531233024290329483015300428822843298828142668274427592813260026853056302929273910304430162934295029612993289428542979284126762613269125722523
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax82.384.20.082.485.284.683.081.582.483.280.081.780.982.780.781.181.783.882.284.282.284.084.582.184.985.578.184.885.186.2111.784.185.587.985.985.686.587.883.884.684.986.282.083.281.486.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302020-12-312020-09-302019-12-312019-09-302019-05-312019-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-220.0-1.0-52.00.0-1.0-84.0-84.00.00.0-3.0-1.0-3.00.0-2.0-550.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.90.0-1.30.0-0.00.0-2.10.00.0-0.1-0.0-0.10.0-0.1-18.1

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:BusinessAcquisition, us-gaap:DebtInstrument

wm:AdvancedDisposalServices, wm:AdvancedDisposalSeniorNotes5.625PercentDueNovember2024


Gains
Period End2020-11-30
Value1.0
Percentage of GainsLossesOnExtinguishmentOfDebt0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:AdvancedDisposalServices wm:AdvancedDisposalSeniorNotes5.625PercentDueNovember20240.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument

wm:SeniorNotesAggregate


Gains
Period End2021-05-312019-05-312019-06-30
Value-220.084-84.0
Percentage of GainsLossesOnExtinguishmentOfDebt0.0100.0-100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0-2.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:SeniorNotesAggregate0.00.00.0

wm:SeniorNotesMandatoryRedemptionFeature


Gains
Period End2020-09-30
Value-52.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:SeniorNotesMandatoryRedemptionFeature0.0

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value456545547516395435531615497462659597609511584603570434510457459396397496389-222.0599414402336-603.0452383262349348334272412421381
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.213.30.013.411.111.713.815.512.612.517.215.616.314.616.016.215.512.614.712.913.412.512.214.811.7-7.317.411.511.39.9-17.212.510.97.910.210.19.78.312.112.011.4

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10512410912688748412011511512899110116-319.0215209137176153173140124159116-91.01.013318099-4.01551278611412511589134136131110160153206110
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.33.00.03.32.52.02.23.02.93.13.32.62.93.3-8.75.85.74.05.14.35.14.43.84.73.5-3.00.03.75.12.9-0.14.33.62.63.33.63.32.73.93.93.93.55.04.76.53.7

Interest Expense

us-gaap:InterestExpense us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:InterestExpense

wm:SeniorNotesAggregate, us-gaap:CashFlowHedging


Interest
Period End2021-05-31
Value6.0
Percentage of InterestExpense100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:SeniorNotesAggregate us-gaap:CashFlowHedging0.0

us-gaap:InterestExpense us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

wm:InvestmentInLowIncomeHousingProperties


Interest
Period End2021-03-312020-03-31
Value2.03.0
Percentage of InterestExpense0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:InvestmentInLowIncomeHousingProperties0.00.0

wm:InvestmentsQualifyingForFederalTaxCredits


Interest
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.02.03.03.03.03.02.02.02.0
Percentage of InterestExpense0.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.00.10.10.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:InvestmentsQualifyingForFederalTaxCredits0.00.00.00.00.00.00.00.00.0

Interest Income Expense Nonoperating Net

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:InterestIncomeExpenseNonoperatingNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-03-312013-12-312013-09-302013-03-312012-12-312012-09-30
Value-98000000.0-97000000.0-97000000.0-97000000.0-119000000.0-112000000.0-110000000.0-105000000.0-100000000.0-96000000.0-97000000.0-93000000.0-93000000.0-91000000.0-91000000.0-90000000.0-90000000.0-92000000.0-94000000.0-94000000.0-93000000.0-95000000.0-91000000.0-95000000.0-95000000.0-121000000.0-116000000.0-119000000.0-121000000.0-122000000.0-121000000.0
Percentage of InterestIncomeExpenseNonoperatingNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.2-2.40.0-2.5-3.3-3.0-2.9-2.6-2.5-2.6-2.5-2.4-2.5-2.6-2.5-2.4-2.4-2.7-2.7-2.6-2.7-3.0-2.8-2.8-2.9-3.6-3.3-3.3-3.6-3.6-3.5

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value351421438390307361447495381347531499499396903386362298335302287258273335274-129.0210228-605.0291244168224214208171266272237186281244246182315277247155
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.810.20.010.18.69.711.612.59.79.413.813.113.311.324.710.49.88.79.78.58.48.18.410.08.3-4.25.96.7-17.38.06.95.06.56.26.05.27.87.77.16.08.87.57.86.210.59.28.45.5

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value791650654680527573655734696621767699715608704701673558617560611508502601502440752546532469-410.0577510402484500466401552543506427574544586412456525534372
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.715.80.017.614.815.417.018.517.616.820.018.319.117.319.318.918.316.217.815.817.816.015.517.915.114.521.915.214.913.8-11.715.914.512.114.114.413.512.216.215.415.113.818.016.818.614.015.217.418.113.2

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-269.0-286.0-334.0-259.0-183.0-247.0-238.0-166.0-165.0-194.0-129.0-135.0-129.0-147.0-147.0-136.0-142.0-160.0-146.0-138.0-123.0-143.0-142.0-118.0-119.0-143.0-190.0-240.0
Percentage of OperatingIncomeLoss-34.0-44.0-51.1-38.1-34.7-43.1-36.3-22.6-23.7-31.2-16.8-19.3-18.0-24.2-20.9-19.4-21.1-28.7-23.7-24.6-20.1-28.1-28.3-19.6-23.7-32.5-25.3-44.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.0-7.00.0-6.7-5.1-6.6-6.2-4.2-4.2-5.2-3.4-3.5-3.5-4.2-4.0-3.7-3.9-4.7-4.2-3.9-3.6-4.5-4.4-3.5-3.6-4.7-5.5-6.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments

us-gaap:AllOtherSegments


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value4.018-7.0-10.0-25.0-36.0-60.0-28.0-15.013-23.0-16.0-18.0-32.0-14.0-30.0-20.0-36.0-112.0-8.0-17.0-23.0-343.0-10.0
Percentage of OperatingIncomeLoss0.52.8-1.0-1.9-4.4-4.9-8.6-4.5-2.11.8-3.8-2.3-2.7-5.7-2.3-5.4-3.3-7.1-22.3-1.3-3.4-5.2-45.6-1.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.4-0.2-0.3-0.7-0.9-1.5-0.8-0.40.3-0.7-0.4-0.5-0.9-0.4-0.8-0.6-1.1-3.5-0.2-0.5-0.8-10.0-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AllOtherSegments0.62.8-1.2-1.9-4.8-6.5-10.9-5.0-2.62.3-4.2-2.7-3.0-5.80.0-5.4-3.8-7.80.0-1.5-3.4-5.00.0-1.8

wm:OperatingGroup


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value1060936939710820900861815834844755837815718763698734651644719621583942786698642-217.0727654582636647619594697686653
Percentage of OperatingIncomeLoss134.0144.0138.1134.7143.1122.6123.7131.2119.3118.0124.2119.4121.1128.7123.7124.6120.1128.1128.3119.6123.7132.5125.3144.0131.2136.952.9126.0128.2144.8131.4129.4132.8148.1126.3126.3129.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.722.824.319.922.022.721.822.121.822.621.522.522.220.922.119.721.420.519.821.418.719.227.421.819.618.9-6.220.118.517.418.518.717.918.020.519.519.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:OperatingGroup23.722.824.319.922.022.721.822.121.822.621.522.522.220.90.019.721.420.50.021.418.719.20.021.819.618.90.020.118.517.40.018.717.918.00.019.519.5

wm:SolidWaste


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value1056918946720845936921843849831778853833750728754
Percentage of OperatingIncomeLoss133.5141.2139.1136.6147.5127.5132.3135.7121.5116.2128.0121.7123.8134.4130.0123.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.622.324.520.222.723.623.322.822.222.222.223.022.721.820.522.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:SolidWaste27.926.528.923.726.427.427.126.926.226.126.327.427.126.024.30.0

wm:TierOne


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value350425430316393432432394416395365398395366365369362334638226215211222230223218200224221207210213219209
Percentage of OperatingIncomeLoss44.265.463.260.068.658.962.163.459.555.260.056.858.765.659.265.959.265.7127.137.642.848.029.542.141.946.5-48.838.843.351.543.442.647.052.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.810.311.18.910.510.910.910.710.910.610.410.710.710.610.510.410.610.519.76.76.56.96.56.46.36.45.76.26.36.26.16.26.36.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:TierOne35.532.235.127.632.133.033.032.433.832.532.233.934.133.20.032.833.332.50.030.529.430.00.030.429.930.20.029.629.629.20.029.730.529.4

wm:TierThree


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value375291290222264351341313291295291275296227231238235208411151120126146169149124-97.0148131109134126129115
Percentage of OperatingIncomeLoss47.444.842.642.146.147.849.050.441.641.347.939.244.040.737.442.538.540.981.925.123.928.619.431.028.026.423.725.625.727.127.725.227.728.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.47.17.56.27.18.88.68.57.67.98.37.48.16.66.76.76.96.512.74.53.64.14.24.74.23.7-2.84.13.73.33.93.63.73.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:TierThree23.121.422.918.821.223.122.522.319.920.722.019.721.420.70.020.921.119.80.020.616.518.80.022.119.617.40.018.917.915.60.017.417.816.6

wm:TierTwo


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value331202226182188153148136142141122180142157181121157145-292.0350295276350349335284321347325298324328318300
Percentage of OperatingIncomeLoss41.831.133.234.532.820.821.321.920.319.720.125.721.128.129.321.625.728.5-58.258.258.862.746.563.963.060.6-78.360.163.774.166.965.668.274.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.44.95.95.15.03.93.83.73.73.83.54.83.94.65.23.44.64.6-9.010.48.99.110.29.79.48.49.29.69.28.99.49.59.29.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:TierTwo28.225.529.225.725.626.426.026.126.126.124.333.026.422.80.016.722.522.70.025.621.722.80.025.825.023.00.025.524.524.00.025.124.123.6

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value6.01.06.04.03.02.02.02.02.02.02.02.02.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.00.00.10.10.10.10.10.10.10.10.10.1

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value1313431934-76.019-17.02528-72.022-23.0-32.0-10.0463010.0-23.0-16.06.061-36.0-60.013-76.0-44.0-61.040-59.0-31.032-37.0-32.0-8.039-22.02428-82.08.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.00.51.0-2.00.5-0.40.60.8-1.90.6-0.6-0.9-0.31.20.80.3-0.7-0.50.21.9-1.1-1.80.4-2.5-1.3-1.71.1-1.7-0.90.9-1.0-1.0-0.21.1-0.60.70.8-2.30.2

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value229.0552550-83.025-11.03134-71.033-21.0-31.0-6.0473314-17.0-14.09.069-36.0-57.016-73.0-54.0-58.046-65.0-15.035-26.0-33.0-7.037-43.03428-115.02.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.20.00.61.4-2.20.7-0.30.80.9-1.80.9-0.6-0.9-0.21.30.90.4-0.5-0.40.32.2-1.1-1.70.5-2.4-1.6-1.61.3-1.9-0.41.0-0.7-1.0-0.21.1-1.21.00.8-3.30.1

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312017-03-312014-12-312014-09-30
Value2.00.02.00.00.0-1.01.0-12.00.0
Percentage of OtherComprehensiveIncomeLossNetOfTax3.60.08.0-0.00.0-2.97.122.2-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.00.0-0.00.0-0.30.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value6.01.06.04.03.02.02.02.0
Percentage of OtherComprehensiveIncomeLossNetOfTax27.311.110.916.06.0-2.48.0-18.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.00.00.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302013-12-31
Value3.0-5.04.02.014-9.02.04.04.05.0-3.09.00.0-1.00.01.03.00.01.01.0-1.0-2.0-1.03.01.0
Percentage of OtherComprehensiveIncomeLossNetOfTax13.6-55.67.38.028.010.88.0-36.412.914.74.227.3-0.03.2-0.07.1-17.6-0.011.11.42.83.51.9-5.2-6.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.10.00.10.4-0.20.10.10.10.1-0.10.20.0-0.00.00.00.10.00.00.0-0.0-0.1-0.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value229.0552550-83.025-11.03134-71.033-21.0-31.0-6.0473314-17.0-14.09.069-36.0-57.016-73.0-54.0-58.046-65.0-15.035-26.0-33.0-7.037
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.20.00.61.4-2.20.7-0.30.80.9-1.80.9-0.6-0.9-0.21.30.90.4-0.5-0.40.32.2-1.1-1.70.5-2.4-1.6-1.61.3-1.9-0.41.0-0.7-1.0-0.21.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1313431934-76.019-17.02528-72.022-23.0-32.0-10.010.0-23.0-16.06.061-36.0-60.013-76.0-44.0-61.040-59.0-31.0
Percentage of OtherComprehensiveIncomeLossNetOfTax59.1144.478.276.068.091.676.0154.580.682.4101.466.7109.5103.2166.771.4135.3114.366.788.4100.0105.381.2104.181.5105.287.090.8206.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.00.51.0-2.00.5-0.40.60.8-1.90.6-0.6-0.9-0.30.3-0.7-0.50.21.9-1.1-1.80.4-2.5-1.3-1.71.1-1.7-0.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-6.01.03.01.01.02.01.01.0-54.01.00.00.01.0-1.00.0-40.0-9.0-5.0-1.0-1.0-22.0-2.0-2.0-3.0-62.0-3.02.0-11.0-2.0-14.0-1.0-1.0-8.02.01.01.03.00.00.02.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.10.00.00.00.00.10.00.0-1.50.00.00.00.0-0.00.0-1.2-0.3-0.2-0.0-0.0-0.6-0.1-0.1-0.1-1.8-0.10.1-0.3-0.1-0.4-0.0-0.0-0.20.10.00.00.10.00.00.1

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value351421438390307361447495382347531498499395903388361297334304286256273337273-131.0598281222237-599.0297256176235223219183278285250196294258258192331292267170
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.810.20.010.18.69.711.612.59.79.413.813.013.311.324.710.49.88.69.78.68.48.18.410.08.2-4.317.47.86.27.0-17.18.27.35.36.86.46.35.68.28.17.56.39.28.08.26.511.09.79.06.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value351421438390307361447495381347531499499396903386362298335302287258273335274-129.0590270210228-605.0291244168224214208171266272237186
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.099.7100.0100.0100.2100.0100.3100.099.5100.3100.3100.399.3100.3100.8100.099.4100.498.598.796.194.696.2101.098.095.395.595.396.095.093.495.795.494.894.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.810.20.010.18.69.711.612.59.79.413.813.113.311.324.710.49.88.79.78.58.48.18.410.08.3-4.217.27.55.96.7-17.38.06.95.06.56.26.05.27.87.77.16.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value44764112406738613561372938463967394636963842382237393511365237163677344034603548342531763246336033153040343736023561339635003621352633363434346134593295340635223347310331873235315829353006302329522810
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:BusinessAcquisition

wm:AdvancedDisposalServices


Revenue
Period End2020-12-31
Value205
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:AdvancedDisposalServices100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-959.0-859.0-867.0-831.0-761.0-801.0-822.0-837.0-833.0-757.0-795.0-802.0-798.0-715.0-725.0-749.0-739.0-672.0-674.0-691.0-666.0-606.0-614.0-621.0-619.0-535.0-603.0-636.0-642.0-580.0-628.0-662.0-646.0-588.0-626.0-622.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.4-20.9-21.3-21.5-21.4-21.5-21.4-21.1-21.1-20.5-20.7-21.0-21.3-20.4-19.9-20.2-20.1-19.5-19.5-19.5-19.4-19.1-18.9-18.5-18.7-17.6-17.5-17.7-18.0-17.1-17.9-18.3-18.3-17.6-18.2-18.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.4-20.9-21.3-21.5-21.4-21.5-21.4-21.1-21.1-20.5-20.7-21.0-21.3-20.4-19.9-20.2-20.1-19.5-19.5-19.5-19.4-19.1-18.9-18.5-18.7-17.6-17.5-17.7-18.0-17.1-17.9-18.3-18.3-17.6-18.2-18.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value543549714934469243224530466848044779445346374624453742264377446544164112413442394091378238603981393435754040423842033976412842834172392440604083
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax121.4120.9121.3121.5121.4121.5121.4121.1121.1120.5120.7121.0121.3120.4119.9120.2120.1119.5119.5119.5119.4119.1118.9118.5118.7117.6117.5117.7118.0117.1117.9118.3118.3117.6118.2118.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax121.4120.9121.3121.5121.4121.5121.4121.1121.1120.5120.7121.0121.3120.4119.9120.2120.1119.5119.5119.5119.4119.1118.9118.5118.7117.6117.5117.7118.0117.1117.9118.3118.3117.6118.2118.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService

us-gaap:OperatingSegments, wm:Collection


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value291827722694251623252518258626262573245524902486244123072352235123262235
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax65.267.466.265.265.367.567.266.265.266.464.865.065.365.764.463.363.365.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax65.267.466.265.265.367.567.266.265.266.464.865.065.365.764.463.363.365.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:Collection100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:Commercial


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value11781131108610259281063108210691052102610241007986955950936917911
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.327.526.726.526.128.528.126.926.727.826.726.326.427.226.025.224.926.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.327.526.726.526.128.528.126.926.727.826.726.326.427.226.025.224.926.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:Commercial100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:Industrial


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value811743743709625693726766744680705723708637653673654603
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.118.118.318.417.618.618.919.318.918.418.318.918.918.117.918.117.817.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.118.118.318.417.618.618.919.318.918.418.318.918.918.117.918.117.817.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:Industrial100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:LandfillLineOfBusiness


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value10759159609468748879669931023864914926915805883884864739
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.022.323.624.524.523.825.125.025.923.423.824.224.522.924.223.823.521.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.022.323.624.524.523.825.125.025.923.423.824.224.522.924.223.823.521.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:LandfillLineOfBusiness100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:OtherCollection


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value135116118120115112121130122109117117115101109107123100
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.02.82.93.13.23.03.13.33.12.93.03.13.12.93.02.93.32.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.02.82.93.13.23.03.13.33.12.93.03.13.12.93.02.93.32.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:OtherCollection100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:OtherLinesOfBusiness


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value513477479458409430413469445431440430439427433443437400
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.511.611.811.911.511.510.711.811.311.711.511.311.712.211.911.911.911.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.511.611.811.911.511.510.711.811.311.711.511.311.712.211.911.911.911.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:OtherLinesOfBusiness100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:Recycling


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value397342308290275254240245264291339337305312310375375372
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.98.37.67.57.76.86.26.26.77.98.88.88.28.98.510.110.210.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.98.37.67.57.76.86.26.26.77.98.88.88.28.98.510.110.210.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:Recycling100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:Residential


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value794782747662657650657661655640644639632614640635632621
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.719.018.417.118.417.417.116.716.617.316.816.716.917.517.517.117.218.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.719.018.417.118.417.417.116.716.617.316.816.716.917.517.517.117.218.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:Residential100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:Transfer


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value532465493482439441463471474412454445437375399412414366
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.911.312.112.512.311.812.011.912.011.111.811.611.710.710.911.111.310.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.911.312.112.512.311.812.011.912.011.111.811.611.710.710.911.111.310.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:Transfer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IntersegmentElimination, us-gaap:AllOtherSegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-32.0-23.0-23.0-23.0-25.0-29.0-28.0-33.0-30.0-31.0-40.0-45.0-56.0-54.0-52.0-64.0-56.0-48.0-49.0-50.0-46.0-40.0-29.0-32.0-24.0-22.0-21.0-16.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.7-0.6-0.6-0.6-0.7-0.8-0.7-0.8-0.8-0.8-1.0-1.2-1.5-1.5-1.4-1.7-1.5-1.4-1.4-1.4-1.3-1.3-0.9-1.0-0.7-0.7-0.6-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.7-0.6-0.6-0.6-0.7-0.8-0.7-0.8-0.8-0.8-1.0-1.2-1.5-1.5-1.4-1.7-1.5-1.4-1.4-1.4-1.3-1.3-0.9-1.0-0.7-0.7-0.6-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, wm:OperatingGroup


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-959.0-859.0-867.0-831.0-761.0-801.0-822.0-837.0-833.0-757.0-795.0-802.0-798.0-715.0-725.0-749.0-739.0-672.0-674.0-691.0-666.0-606.0-614.0-621.0-619.0-535.0-603.0-636.0-642.0-580.0-628.0-662.0-646.0-588.0-626.0-622.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.4-20.9-21.3-21.5-21.4-21.5-21.4-21.1-21.1-20.5-20.7-21.0-21.3-20.4-19.9-20.2-20.1-19.5-19.5-19.5-19.4-19.1-18.9-18.5-18.7-17.6-17.5-17.7-18.0-17.1-17.9-18.3-18.3-17.6-18.2-18.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.4-20.9-21.3-21.5-21.4-21.5-21.4-21.1-21.1-20.5-20.7-21.0-21.3-20.4-19.9-20.2-20.1-19.5-19.5-19.5-19.4-19.1-18.9-18.5-18.7-17.6-17.5-17.7-18.0-17.1-17.9-18.3-18.3-17.6-18.2-18.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination wm:OperatingGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, wm:SolidWaste


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-927.0-836.0-844.0-808.0-736.0-772.0-794.0-804.0-803.0-726.0-755.0-757.0-742.0-661.0-673.0-685.0-683.0-624.0-625.0-641.0-620.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-20.7-20.3-20.8-20.9-20.7-20.7-20.6-20.3-20.3-19.6-19.7-19.8-19.8-18.8-18.4-18.4-18.6-18.1-18.1-18.1-18.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-20.7-20.3-20.8-20.9-20.7-20.7-20.6-20.3-20.3-19.6-19.7-19.8-19.8-18.8-18.4-18.4-18.6-18.1-18.1-18.1-18.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination wm:SolidWaste100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, wm:TierOne


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-228.0-320.0-312.0-295.0-271.0-280.0-272.0-300.0-298.0-271.0-276.0-277.0-269.0-241.0-248.0-258.0-258.0-238.0-232.0-238.0-229.0-212.0-442.0-144.0-142.0-128.0-132.0-138.0-138.0-129.0-136.0-140.0-144.0-133.0-135.0-138.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.1-7.8-7.7-7.6-7.6-7.5-7.1-7.6-7.6-7.3-7.2-7.2-7.2-6.9-6.8-6.9-7.0-6.9-6.7-6.7-6.7-6.7-13.6-4.3-4.3-4.2-3.8-3.8-3.9-3.8-3.9-3.9-4.1-4.0-3.9-4.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.1-7.8-7.7-7.6-7.6-7.5-7.1-7.6-7.6-7.3-7.2-7.2-7.2-6.9-6.8-6.9-7.0-6.9-6.7-6.7-6.7-6.7-13.6-4.3-4.3-4.2-3.8-3.8-3.9-3.8-3.9-3.9-4.1-4.0-3.9-4.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination wm:TierOne100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, wm:TierThree


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-376.0-300.0-314.0-304.0-275.0-294.0-135.0-369.0-371.0-334.0-353.0-353.0-350.0-309.0-311.0-313.0-311.0-233.0-451.0-241.0-233.0-212.0-403.0-137.0-147.0-126.0-140.0-147.0-151.0-135.0-145.0-157.0-139.0-128.0-142.0-137.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-8.4-7.3-7.7-7.9-7.7-7.9-3.5-9.3-9.4-9.0-9.2-9.2-9.4-8.8-8.5-8.4-8.5-6.8-13.0-6.8-6.8-6.7-12.4-4.1-4.4-4.1-4.1-4.1-4.2-4.0-4.1-4.3-3.9-3.8-4.1-4.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-8.4-7.3-7.7-7.9-7.7-7.9-3.5-9.3-9.4-9.0-9.2-9.2-9.4-8.8-8.5-8.4-8.5-6.8-13.0-6.8-6.8-6.7-12.4-4.1-4.4-4.1-4.1-4.1-4.2-4.0-4.1-4.3-3.9-3.8-4.1-4.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination wm:TierThree100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, wm:TierTwo


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-323.0-216.0-218.0-209.0-190.0-198.0-387.0-135.0-134.0-121.0-126.0-127.0-123.0-111.0-114.0-114.0-114.0-153.058-162.0-158.0-142.0260-308.0-306.0-259.0-288.0-307.0-310.0-268.0-303.0-311.0-313.0-275.0-291.0-290.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.2-5.3-5.4-5.4-5.3-5.3-10.1-3.4-3.4-3.3-3.3-3.3-3.3-3.2-3.1-3.1-3.1-4.41.7-4.6-4.6-4.58.0-9.2-9.2-8.5-8.4-8.5-8.7-7.9-8.7-8.6-8.9-8.2-8.5-8.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.2-5.3-5.4-5.4-5.3-5.3-10.1-3.4-3.4-3.3-3.3-3.3-3.3-3.2-3.1-3.1-3.1-4.41.7-4.6-4.6-4.58.0-9.2-9.2-8.5-8.4-8.5-8.7-7.9-8.7-8.6-8.9-8.2-8.5-8.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination wm:TierTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:AllOtherSegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value729665641615554554560589580588638629613607616662657603598608572500513549525478527566
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.316.215.815.915.614.914.614.814.715.916.616.516.417.316.917.817.917.517.317.116.715.715.816.315.815.715.315.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.316.215.815.915.614.914.614.814.715.916.616.516.417.316.917.817.917.517.317.116.715.715.816.315.815.715.315.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:OperatingGroup


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value543549714934469243224530466848044779445346374624453742264377446544164112413442394091378238603981393435754040423842033976412842834172392440604083
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax121.4120.9121.3121.5121.4121.5121.4121.1121.1120.5120.7121.0121.3120.4119.9120.2120.1119.5119.5119.5119.4119.1118.9118.5118.7117.6117.5117.7118.0117.1117.9118.3118.3117.6118.2118.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax121.4120.9121.3121.5121.4121.5121.4121.1121.1120.5120.7121.0121.3120.4119.9120.2120.1119.5119.5119.5119.4119.1118.9118.5118.7117.6117.5117.7118.0117.1117.9118.3118.3117.6118.2118.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:OperatingGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:SolidWaste


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value47064306429340773768397641084215419938653999399539243619376138033759350935363631
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax105.1104.7105.6105.6105.8106.6106.8106.3106.4104.6104.1104.5104.9103.1103.0102.3102.2102.0102.2102.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax105.1104.7105.6105.6105.8106.6106.8106.3106.4104.6104.1104.5104.9103.1103.0102.3102.2102.0102.2102.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:SolidWaste100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:TierOne


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value12141639161015211418150314321610160814861504150614851373138714321417134013201364131612412493886873831865895885850855898891843839854
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.139.939.639.439.840.337.240.640.840.239.139.439.739.138.038.538.539.038.238.438.439.176.826.426.327.325.224.824.925.024.424.825.325.324.424.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.139.939.639.439.840.337.240.640.840.239.139.439.739.138.038.538.539.038.238.438.439.176.826.426.327.325.224.824.925.024.424.825.325.324.424.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:TierOne100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:TierThree


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value1997166016691572145315418711891188817361820181817761633171817111691132723381382134712602358869873798870910911847915940871826890862
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.640.441.040.740.841.322.647.747.847.047.447.647.546.547.046.046.038.667.639.039.339.772.625.926.326.225.325.325.624.926.126.024.724.825.924.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.640.441.040.740.841.322.647.747.847.047.447.647.546.547.046.046.038.667.639.039.339.772.625.926.326.225.325.325.624.926.126.024.724.825.924.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:TierThree100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:TierTwo


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value1495100710149848979321805714703643675671663613656660651842-122.0885856781-1504.01677166314681602166216501502161116701641151615751596
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.424.524.925.525.225.046.918.017.817.417.617.617.717.518.017.817.724.5-3.524.925.024.6-46.349.950.248.346.646.146.344.246.046.146.545.445.946.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.424.524.925.525.225.046.918.017.817.417.617.617.717.518.017.817.724.5-3.524.925.024.6-46.349.950.248.346.646.146.344.246.046.146.545.445.946.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:TierTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

us-gaap:AllOtherSegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value697642618592529525532556550557598584557553564598601555549558526460484517501456506550
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.615.615.215.314.914.113.814.013.915.115.615.314.915.815.416.116.316.115.915.715.414.514.915.415.115.014.715.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.615.615.215.314.914.113.814.013.915.115.615.314.915.815.416.116.316.115.915.715.414.514.915.415.115.014.715.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:OperatingGroup


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value44764112406738613561372938463967394636963842382237393511365237163677344034603548342531763246336033153040343736023561339635003621352633363434346134593295340635223347
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:OperatingGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:SolidWaste


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value37793470344932693032320433143411339631393244323831822958308831183076288529112990
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax84.484.484.884.785.185.986.286.086.184.984.484.785.184.284.683.983.783.984.184.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax84.484.484.884.785.185.986.286.086.184.984.484.785.184.284.683.983.783.984.184.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:SolidWaste100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:TierOne


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value9861319129812261147122311601310131012151228122912161132113911741159110210881126108710292051742731703733757747721719758747710704716719710
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.032.131.931.832.232.830.233.033.232.932.032.232.532.231.231.631.532.031.431.731.732.463.222.122.123.121.321.021.021.220.520.921.221.320.520.720.821.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.032.131.931.832.232.830.233.033.232.932.032.232.532.231.231.631.532.031.431.731.732.463.222.122.123.121.321.021.021.220.520.921.221.320.520.720.821.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:TierOne100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:TierThree


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1621136013551268117812477361522151714021467146514261324140713981380109418871141111410481955732726672730763760712770783732698748725725692
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.233.133.332.833.133.419.138.438.437.938.238.338.137.738.537.637.531.854.532.232.533.060.221.821.922.121.221.221.321.022.021.620.820.921.820.921.021.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.233.133.332.833.133.419.138.438.437.938.238.338.137.738.537.637.531.854.532.232.533.060.221.821.922.121.221.221.321.022.021.620.820.921.820.921.021.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:TierThree100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:TierTwo


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value11727917967757077341418579569522549544540502542546537689-64.0723698639-1244.0136913571209131413551340123413081359132812411284130613181269
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.219.219.620.119.919.736.914.614.414.114.314.214.414.314.814.714.620.0-1.820.420.420.1-38.340.740.939.838.237.637.636.337.437.537.737.237.437.738.138.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.219.219.620.119.919.736.914.614.414.114.314.214.414.314.814.714.620.0-1.820.420.420.1-38.340.740.939.838.237.637.636.337.437.537.737.237.437.738.138.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:TierTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value44764112406738613561372938463967394636963842382237393511365237163677344034603548342531763246336033153040343736023561339635003621352633363434346134593295340635223347310331873235315829353006302329522810
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value445458510416377425445386391409370345365373369356353390378330340362343330322348376377353375376349353390356335374407407380382382396369345351
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.911.112.510.810.611.411.69.79.911.19.69.09.810.610.19.69.611.310.99.39.911.410.69.89.711.410.910.59.911.010.79.610.011.710.49.710.812.411.910.811.412.312.411.410.912.0

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:BusinessAcquisition

wm:AdvancedDisposalServices


Selling
Period End2020-12-31
Value60
Percentage of SellingGeneralAndAdministrativeExpense11.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:AdvancedDisposalServices29.3

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value290372907029345247722661927178277432710925986233732265022591220142210621829209492083920650208592075620752207812041920402205782069121412222112217922442226032361323012231552309723073226912253522569220522158321648214762115420227
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value117115114112110109109103
Percentage of Assets0.40.40.40.50.40.40.40.5
Percentage of Assets0.40.40.40.50.40.40.40.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value18105042148713271401183528501346
Percentage of Assets6.218.26.66.16.79.013.36.0
Percentage of Assets6.218.26.66.16.79.013.36.0
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MaterialReconcilingItems


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value-304.0-267.0-246.0-287.0-278.0-539.0-591.0-612.0
Percentage of Assets-1.0-1.0-1.1-1.3-1.3-2.6-2.8-2.7
Percentage of Assets-1.0-1.0-1.1-1.3-1.3-2.6-2.8-2.7
Percentage of Assets us-gaap:MaterialReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2964928010228962211621137209582188823102
Percentage of Assets101.0101.0101.1101.3101.3102.6102.2102.2
Percentage of Assets101.0101.0101.1101.3101.3102.6102.2102.2
Percentage of Assets us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, us-gaap:AllOtherSegments


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value20641648157117851489170117912177
Percentage of Assets7.05.96.98.27.18.38.49.6
Percentage of Assets7.05.96.98.27.18.38.49.6
Percentage of Assets us-gaap:OperatingSegments us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:OperatingGroup


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2783922968214092078919736191231903821756
Percentage of Assets94.982.894.595.294.693.788.996.3
Percentage of Assets94.982.894.595.294.693.788.996.3
Percentage of Assets us-gaap:OperatingSegments wm:OperatingGroup100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:SolidWaste


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value257752132019838190041824717422
Percentage of Assets87.876.887.687.187.585.3
Percentage of Assets87.876.887.687.187.585.3
Percentage of Assets us-gaap:OperatingSegments wm:SolidWaste100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:TierOne


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value95277519695865286188609861506180
Percentage of Assets32.527.130.729.929.729.928.727.3
Percentage of Assets32.527.130.729.929.729.928.727.3
Percentage of Assets us-gaap:OperatingSegments wm:TierOne100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:TierThree


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value100048243911987276571593054495512
Percentage of Assets34.129.740.340.031.529.025.424.4
Percentage of Assets34.129.740.340.031.529.025.424.4
Percentage of Assets us-gaap:OperatingSegments wm:TierThree100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:TierTwo


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value62445558376137495488539456485850
Percentage of Assets21.320.016.617.226.326.426.425.9
Percentage of Assets21.320.016.617.226.326.426.425.9
Percentage of Assets us-gaap:OperatingSegments wm:TierTwo100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2168321641218911761519726204332067320322195191695616374163501595816041157871564915332151121553915373155241547115052151451517115116155231654816032164031660116598161941643916422164611620416054161791576714960150161488514563
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets74.774.474.671.174.175.274.575.075.172.572.372.472.572.672.374.773.673.274.574.174.874.473.774.273.773.172.574.572.373.173.470.370.471.071.171.371.471.271.771.569.369.469.368.8

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2903729070293452477226619271782774327109259862337322650225912201422106218292094920839206502085920756207522078120419204022057820691214122221122179224422260323613230122315523097230732269122535225692205221583216482147621154
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value73527427745271556891674370686785646664156275623960546044601952785486551752975359520852905345523553865554586653645853573757076708650963956354628861686159607059486291629862606285
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.325.525.428.925.924.825.525.024.927.427.727.627.527.327.625.226.326.725.425.825.125.526.225.726.226.827.424.226.425.625.228.428.327.627.527.327.227.326.927.029.129.129.129.7

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value32263327354033575106563562095560483624882645267524712491262423002326222323762293227623022345239925532617364141162355253524992417240424972423265924542285237924192374254824823010
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.111.412.113.619.220.722.420.518.610.611.711.811.211.312.011.011.210.811.411.011.011.111.511.812.412.617.018.510.611.311.110.210.410.810.511.510.810.110.511.011.011.811.614.2

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value148476553703266331253561291522505761834752223532303230391043911327327713071831373395815715430719439823718925828237167653955011698711140480348
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.51.61.92.810.011.512.810.88.70.20.30.40.20.20.10.20.20.10.20.10.20.50.20.61.31.36.10.80.61.50.30.70.71.30.81.71.00.81.11.31.73.12.50.00.00.05.42.40.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value29760664881327723237364730202342315183430419426293102979494104
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.02.12.23.310.411.913.111.19.01.30.81.91.91.91.30.50.50.50.50.5

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value21952025209719271888184619492010201718301931194318381700180517901772163417001716165015321549157015781489158716431710166116991751173016581737176016941580163116861609146415101408
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.67.07.17.87.16.87.07.47.87.88.58.68.37.78.38.58.57.98.18.38.07.47.67.77.77.27.47.47.77.47.57.47.57.27.57.67.57.07.27.67.56.87.06.7

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value307300239320218226223256222245207147135137132164121126122130121118120113143153176123149175163138143150140159166153115153114137117117
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.00.81.30.80.80.80.90.91.00.90.70.60.60.60.80.60.60.60.60.60.60.60.60.70.70.80.60.70.80.70.60.60.60.60.70.70.70.50.70.50.60.50.6

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312011-12-312010-12-312009-12-31
Value3424331550302062926328102270852662529067275502655825535
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets116.7113.7133.4134.1134.7132.6124.3128.6122.1123.7120.7

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value35293174299828462667254625883594
Percentage of PropertyPlantAndEquipmentGross10.310.19.99.79.59.49.712.4
Percentage of Assets12.011.413.213.012.812.512.115.9
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.0

us-gaap:Containers


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value28692616258825712469242623772449
Percentage of PropertyPlantAndEquipmentGross8.48.38.68.88.89.08.98.4
Percentage of Assets9.89.411.411.811.811.911.110.8
Percentage of Assets us-gaap:Containers0.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value740656656624608592611636
Percentage of PropertyPlantAndEquipmentGross2.22.12.22.12.22.22.32.2
Percentage of Assets2.52.42.92.92.92.92.92.8
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.0

us-gaap:Landfill


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1684215910152401490414276137721346313416
Percentage of PropertyPlantAndEquipmentGross49.250.450.550.950.850.850.646.2
Percentage of Assets57.457.367.368.368.467.462.959.4
Percentage of Assets us-gaap:Landfill0.00.00.00.00.00.00.00.0

us-gaap:MachineryAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value32933140298828242639249924703888
Percentage of PropertyPlantAndEquipmentGross9.610.09.99.79.49.29.313.4
Percentage of Assets11.211.313.212.912.712.211.517.2
Percentage of Assets us-gaap:MachineryAndEquipment0.00.00.00.00.00.00.00.0

us-gaap:Vehicles


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value62195344505947504433425741314115
Percentage of PropertyPlantAndEquipmentGross18.216.916.716.215.815.715.514.2
Percentage of Assets21.219.322.321.821.320.819.318.2
Percentage of Assets us-gaap:Vehicles0.00.00.00.00.00.00.00.0

wm:FurnitureFixturesAndOfficeEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value7517106777441010993985969
Percentage of PropertyPlantAndEquipmentGross2.22.32.22.53.63.73.73.3
Percentage of Assets2.62.63.03.44.84.94.64.3
Percentage of Assets wm:FurnitureFixturesAndOfficeEquipment0.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1999519647200951926619031187631865718499186191835518264181741805017860177041782617572172841715217003168201659716420163851620316030159681603616998168741672316805165401632116112160051573515545153081510714957147131469013994
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets68.967.668.577.871.569.067.268.271.778.580.680.482.080.881.185.184.383.782.281.981.179.980.480.378.777.574.672.276.675.274.071.271.970.569.869.469.369.067.868.569.368.068.466.2

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType

wm:LandfillAirspace


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value969293269157878883407925769075187188-6931.0-6792.0
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment48.250.050.149.648.648.348.245.044.6-45.3-46.2
Percentage of Assets33.033.640.440.340.038.835.933.331.1-30.7-31.6
Percentage of Assets wm:LandfillAirspace0.00.00.00.00.00.00.00.00.00.00.0

wm:TangiblePropertyAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1040393319107891688128495827892058924-8377.0-7898.0
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment51.850.049.950.451.451.751.855.055.4-54.7-53.8
Percentage of Assets35.533.640.240.842.241.638.740.738.6-37.1-36.8
Percentage of Assets wm:TangiblePropertyAndEquipment0.00.00.00.00.00.00.00.00.00.00.0

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value4174264264254394514834943333344064192542662692872892953203263213713604080.00.0591656653658667652656646637471
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.51.51.71.61.71.71.81.31.41.81.91.21.21.21.41.41.41.51.61.51.81.81.90.00.02.62.82.82.82.92.82.92.92.82.2

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value899289808994650465126498653265506512647964306390634663276247626762486223621562276230621559845886588058555740576660946068607065936391639962916259623762346215610457935771572656325462
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.030.930.626.324.523.923.524.225.127.728.428.328.828.628.629.930.030.129.830.030.029.929.328.928.628.326.826.027.527.026.927.927.827.627.227.127.527.727.527.726.826.726.726.627.0

us-gaap:Goodwill us-gaap:BusinessAcquisition

wm:AdvancedDisposalServices


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-10-30
Value2500250025002470
Percentage of Goodwill27.827.827.80.0
Percentage of Assets8.68.68.50.0
Percentage of Assets wm:AdvancedDisposalServices0.00.00.00.0

us-gaap:Goodwill us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, wm:AdvancedDisposalServices


Goodwillus-gaap:
Period End2020-10-30
Value5.0
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets srt:RestatementAdjustment wm:AdvancedDisposalServices0.0

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Goodwillus-gaap:
Period End2020-10-30
Value2470
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets srt:ScenarioPreviouslyReported wm:AdvancedDisposalServices0.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

us-gaap:AllOtherSegments


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value707097121155210105115
Percentage of Goodwill0.81.11.51.92.53.51.81.9
Percentage of Assets0.20.30.40.60.71.00.50.5
Percentage of Assets us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.0

wm:TierOne


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value33912283229622212203219012161221117811581050
Percentage of Goodwill37.735.035.735.635.436.621.220.118.718.618.3
Percentage of Assets11.68.210.110.210.610.75.75.45.15.14.9
Percentage of Assets wm:TierOne0.00.00.00.00.00.033.233.232.232.130.2

wm:TierThree


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value35452562281026682065181215241547137413591191
Percentage of Goodwill39.439.243.742.733.230.326.625.521.821.920.8
Percentage of Assets12.19.212.412.29.98.97.16.85.96.05.5
Percentage of Assets wm:TierThree0.00.00.00.00.00.030.329.327.027.325.0

wm:TierTwo


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value19881617122712371792177228952882282828062603
Percentage of Goodwill22.124.819.119.828.829.650.447.545.045.145.5
Percentage of Assets6.85.85.45.78.68.713.512.812.212.412.1
Percentage of Assets wm:TierTwo0.00.00.00.00.00.033.833.633.733.733.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill


Indefinite
Period End2020-12-31
Value19
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0
Percentage of Assets0.1

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value9569901024450472494521543547570572554553597547561573572591617632645477495512564440464493503529569411424397405416450457397310318295238
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.33.43.51.81.81.81.92.02.12.42.52.52.52.72.52.72.72.82.83.03.03.12.32.42.52.72.12.12.22.22.32.41.81.81.71.81.82.02.01.81.41.51.41.1

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1024521572547591477440529397457295238
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.51.92.52.52.82.32.12.31.72.01.41.1

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:NoncompeteAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2236362728
Percentage of FiniteLivedIntangibleAssetsNet2.16.96.34.94.7
Percentage of Assets0.10.10.20.10.1
Percentage of Assets us-gaap:NoncompeteAgreements0.00.00.00.00.0

wm:CustomerAndSupplierRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value939437488458493388345411259
Percentage of FiniteLivedIntangibleAssetsNet91.783.985.383.783.481.378.477.765.2
Percentage of Assets3.21.62.22.12.41.91.61.81.1
Percentage of Assets wm:CustomerAndSupplierRelationships0.00.00.00.00.00.00.00.00.0

wm:LicensesPermitsAndOther


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value634848627073768895134121
Percentage of FiniteLivedIntangibleAssetsNet6.29.28.411.311.815.317.316.623.929.341.0
Percentage of Assets0.20.20.20.30.30.40.40.40.40.60.6
Percentage of Assets wm:LicensesPermitsAndOther0.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value466424461378388
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0
Percentage of Assets1.61.51.71.51.7

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8908618668217918147928217397463593443463662643984014084074514524525885895785795265737877647477576846656685805686216391221118711561105733
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.13.03.03.33.03.02.93.02.83.21.61.51.61.71.21.91.92.02.02.22.22.22.92.92.82.82.52.63.53.43.33.23.02.92.92.52.52.82.85.55.55.35.13.5

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2020-12-312019-12-312018-12-31
Value314377257
Percentage of EquitySecuritiesFvNi100.0100.0100.0
Percentage of Assets1.11.41.1

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1393121211218849041031106590390889910379408297911040789808720799689620591721671707634740712692663744763696674842787720662838676576546692567
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.84.23.83.63.43.83.83.33.53.84.64.23.83.64.83.83.93.53.83.33.02.83.53.33.43.13.53.23.13.03.33.23.02.93.63.43.22.93.73.12.72.53.22.7

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1372128113421259118411551327135812961158111711711131103198011361075963108510681089980106410951095100811801100103110161069105910691084986111511451060112911531056107411001128
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.74.44.65.14.44.24.85.05.05.04.95.25.14.74.55.45.24.75.25.15.24.75.25.45.34.95.55.04.64.54.74.54.64.74.34.85.04.75.05.24.95.05.15.3

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value557548539496494497534517526512522512517495503
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.91.82.01.91.81.91.92.02.22.32.32.32.22.3

Debt Current

us-gaap:DebtCurrent

us-gaap:DebtCurrent


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value361244551167319038721821111610434324478281056739850390396417432614524253215196168109011417861216726568776964743826853860631225198285233749
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.20.81.90.712.01.40.80.80.44.51.92.03.84.83.44.11.91.92.02.13.02.51.21.11.00.85.15.13.55.43.22.43.44.23.23.63.83.82.81.00.91.31.13.5

us-gaap:DebtCurrent us-gaap:DebtInstrument

wm:CommercialPaperProgram


Debt
Period End2021-06-302021-03-312020-12-312020-09-302018-06-302018-03-312017-12-312017-09-30
Value150015001800600968989515502
Percentage of DebtCurrent415.5614.8326.7359.3116.993.769.759.1
Percentage of Assets5.25.26.12.44.44.52.42.4
Percentage of Assets wm:CommercialPaperProgram0.00.00.00.00.00.00.00.0

wm:FinancingLeasesAndOther


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value212213242167212237218211116139
Percentage of DebtCurrent58.787.343.9100.06.661.2100.0100.0100.013.3
Percentage of Assets0.70.70.80.70.80.90.80.80.40.6
Percentage of Assets wm:FinancingLeasesAndOther0.00.00.00.00.00.00.00.00.00.0

wm:TaxExemptBonds


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value103103127631061301121244272106209219181167119
Percentage of DebtCurrent28.542.223.037.73.333.651.458.836.26.924.546.826.417.122.614.0
Percentage of Assets0.40.40.40.30.40.50.40.50.20.30.50.91.00.80.80.6
Percentage of Assets wm:TaxExemptBonds0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value36833285355328065772307031442989284636123108307033053373326232592770255827942664280625602510244224772273348537892980335730142862302231883036318731873047306825272295236324852901
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.711.312.111.321.711.311.311.011.015.513.713.615.015.314.915.613.312.413.412.813.512.312.312.012.011.016.317.113.415.013.312.113.113.813.113.814.013.513.611.510.610.911.613.7

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2020-12-312019-12-31
Value6379
Percentage of OperatingLeaseLiabilityCurrent100.0100.0
Percentage of Assets0.20.3

Long Term Debt

us-gaap:LongTermDebt us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:LongTermDebt

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, wm:InvestmentInLowIncomeHousingProperties


Long
Period End2021-03-312020-12-312019-12-31
Value196210269
Percentage of LongTermDebt100.0100.0100.0
Percentage of Assets0.70.71.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary wm:InvestmentInLowIncomeHousingProperties0.00.00.0

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DebtAndCapitalLeaseObligations


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value13244134881381010422127881345213498133581273910366100261001697969957949193459057904293109261953095968981905091069207943510164979710194102261005997701000099001000098009800980096009000920089008900
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.646.447.142.148.049.548.749.349.044.444.344.344.545.043.544.643.543.844.644.645.946.244.044.444.344.544.145.844.245.445.242.642.543.242.943.343.243.543.443.541.742.541.442.1

us-gaap:DebtAndCapitalLeaseObligations us-gaap:BusinessAcquisition, us-gaap:DebtInstrument

wm:AdvancedDisposalServices, wm:AdvancedDisposalSeniorNotes5.625PercentDueNovember2024


Debt
Period End2020-10-30
Value425
Percentage of DebtAndCapitalLeaseObligations0.0
Percentage of Assets0.0
Percentage of Assets wm:AdvancedDisposalServices wm:AdvancedDisposalSeniorNotes5.625PercentDueNovember20240.0

us-gaap:DebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, wm:InvestmentInLowIncomeHousingProperties


Debt
Period End2021-06-302020-12-312020-09-302019-12-31
Value183210226269
Percentage of DebtAndCapitalLeaseObligations1.41.52.22.0
Percentage of Assets0.60.70.91.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary wm:InvestmentInLowIncomeHousingProperties0.00.00.00.0

us-gaap:DebtAndCapitalLeaseObligations us-gaap:DebtInstrument

wm:CanadianSeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value500500500500500500385377
Percentage of DebtAndCapitalLeaseObligations3.83.73.64.83.93.72.92.8
Percentage of Assets1.71.71.72.01.91.81.41.4
Percentage of Assets wm:CanadianSeniorNotes0.00.00.00.00.00.00.00.0

wm:CommercialPaperProgram


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value15001534181460013549901053968989515502
Percentage of DebtAndCapitalLeaseObligations11.311.413.15.813.19.910.59.99.95.45.4
Percentage of Assets5.25.36.22.45.84.44.74.44.52.42.4
Percentage of Assets wm:CommercialPaperProgram0.00.00.00.00.00.00.00.00.00.00.0

wm:FinancingLeasesAndOther


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value625627652651664690710692563486467
Percentage of DebtAndCapitalLeaseObligations4.74.64.76.25.25.15.35.24.44.74.7
Percentage of Assets2.22.22.22.62.52.52.62.62.22.12.1
Percentage of Assets wm:FinancingLeasesAndOther0.00.00.00.00.00.00.00.00.00.00.0

wm:SeniorNotesAggregate


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value81268465846563659365996599659965996562226222622262226186618460336033
Percentage of DebtAndCapitalLeaseObligations61.462.861.361.173.274.173.874.678.260.062.162.163.562.165.264.664.8
Percentage of Assets28.029.128.825.735.236.735.936.838.326.627.527.528.328.028.328.828.9
Percentage of Assets wm:SeniorNotesAggregate0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

wm:TaxExemptBonds


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value26722547257124912471252325232409229423542388231823282332235223392304
Percentage of DebtAndCapitalLeaseObligations20.218.918.623.919.318.818.718.018.022.723.823.123.823.424.825.024.7
Percentage of Assets9.28.88.810.19.39.39.18.98.810.110.510.310.610.510.811.211.0
Percentage of Assets wm:TaxExemptBonds0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1288313244132591025595981306513280131471262393239594956989688901875284958667864688938829891690728728883589109039834590239011897895009491899490459173916689738989912593888839888286748124
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.445.645.241.436.148.147.948.548.639.942.442.440.740.340.140.641.641.942.642.543.043.742.743.343.343.739.040.640.640.042.040.239.139.139.739.739.539.940.442.641.041.040.438.4

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value1744180518061468136713871407133112891291
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.06.26.25.95.15.15.14.95.05.7

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2.02.02.02.02.02.02.02.01.02.01.02.02.02123222121232420202222212123299294302295307309321321324319322320337332334331306
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.11.31.31.31.31.31.31.41.41.41.41.41.41.51.51.51.51.4

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1074104510511049959920912938861858553634625714755716696695695769785795839773783745709679705721727744768792807759728703698710686676662672
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.73.63.64.23.63.43.33.53.33.72.42.82.83.23.53.43.33.43.33.73.83.84.13.83.83.63.33.13.23.23.23.23.33.43.53.33.23.13.13.23.23.13.13.2

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2020-12-312019-12-31
Value453366
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0
Percentage of Assets1.51.3

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value71
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value64
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value55
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value42
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value362
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets1.2

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-30
Value516445478389
Percentage of OperatingLeaseLiability100.0100.0100.0100.0
Percentage of Assets1.81.61.81.5

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value653
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets2.2

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value137
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.5

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value73527427745271556891674370686785646664156275623960546044601952785486551752975359520852905345523553865554586653645853573757076708650963956354628861686159607059486291629862606285
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.325.525.428.925.924.825.525.024.927.427.727.627.527.327.625.226.326.725.425.825.125.526.225.726.226.827.424.226.425.625.228.428.327.627.527.327.227.326.927.029.129.129.129.7

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value7354742974547157689367457070678764676417627662416056606560425300550755385320538352285310536752575407557558895663614760396002701568186716667566126487648163906285662366326591659161856102
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.325.625.428.925.924.825.525.024.927.527.727.627.527.427.725.326.426.825.525.925.225.626.325.826.326.927.525.527.726.926.629.729.629.028.928.728.628.828.328.530.730.630.731.230.60.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Stockholders
Period End2020-09-302019-12-312018-12-31
Value-2.0-2.080
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.01.3
Percentage of Assets-0.0-0.00.4
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-09-302019-12-312018-12-31
Value-2.0-2.085
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.01.4
Percentage of Assets-0.0-0.00.4
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-312014-12-31
Value-2.0-2.0-1.0-1.0-3.0-3.0-3.0-2.0-4.0-4.0-4.0-3.0-6.0-6.0-8.0-10.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.0-0.1-0.1-0.1-0.2
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-31
Value-2.0-8.0-9.0-15.0-19.0-22.0-24.0-26.0-28.0-32.0-33.0-40.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.1-0.1-0.2-0.3-0.3-0.3-0.4-0.4-0.5-0.5-0.8
Percentage of Assets-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.2
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-312014-12-31
Value47444945432938363228232617171515138.010.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.60.60.70.60.60.40.50.50.50.40.40.40.30.30.20.30.20.10.2
Percentage of Assets0.20.20.20.20.20.10.10.10.10.10.10.10.10.10.10.10.10.00.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value704839-16.0-41.0-91.0-8.0-33.0-22.0-53.0-87.0-16.0-49.0-28.08.014-33.0-66.0-80.0-63.0-49.0-58.0-127.0-91.0-34.0-50.023771358915416913416019320016320617214425925723020888229
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1.00.60.5-0.2-0.6-1.3-0.1-0.5-0.3-0.8-1.4-0.3-0.8-0.50.10.3-0.6-1.2-1.5-1.2-0.9-1.1-2.4-1.7-0.6-0.90.41.42.21.52.62.42.02.42.93.02.53.22.72.33.93.93.53.21.43.8
Percentage of Assets0.20.20.1-0.1-0.2-0.3-0.0-0.1-0.1-0.2-0.4-0.1-0.2-0.10.00.1-0.2-0.3-0.4-0.3-0.2-0.3-0.6-0.4-0.2-0.20.10.30.60.40.70.70.60.70.80.90.70.90.80.71.21.21.11.00.40.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-312014-12-31
Value2512-1.0-44.0-63.0-97.0-21.0-40.0-23.0-48.0-76.0-4.0-26.0-3.02939-47.0-75.084
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.30.2-0.0-0.6-0.9-1.4-0.3-0.6-0.4-0.7-1.2-0.1-0.4-0.00.50.7-0.9-1.41.4
Percentage of Assets0.10.0-0.0-0.2-0.2-0.4-0.1-0.1-0.1-0.2-0.3-0.0-0.1-0.00.10.2-0.2-0.40.4
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value5104507151295104504050265049502649624978499349274935491649334806482848854850487448024795482748054778476645854466462446074596458245694553454945464540454045614553454545364528454345584542
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest69.468.368.871.373.174.571.474.176.777.679.678.981.581.181.690.787.788.291.290.591.990.389.991.488.485.577.978.975.276.376.665.367.067.868.168.870.070.171.472.468.668.468.768.973.774.4
Percentage of Assets17.617.417.520.618.918.518.218.519.121.322.021.822.422.222.622.923.223.723.323.523.123.123.623.623.223.021.420.120.820.520.319.419.919.719.719.720.020.120.220.621.121.021.121.522.50.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value2.02.02.02.02.02.02.02.01.02.01.02.02.02123222121232420202222212123299294302295307309321321324319322320337332334331306283310
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.30.40.40.40.40.40.40.40.40.40.40.40.40.45.34.85.04.94.44.54.84.84.94.95.05.05.45.05.05.04.64.65.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.11.31.31.31.31.31.31.41.41.41.41.41.41.51.51.51.51.41.40.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value1144411337111591095210795107181059210364100889924979794649166886785887871767174977388723571167012693968406680658268886473637663426289706669486875687968206771672767216613649964246400605356315080
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest155.6152.6149.7153.0156.6158.9149.8152.7156.0154.7156.1151.6151.4146.2142.1148.5139.3135.4138.9134.4136.1132.1129.3130.1123.5118.1117.0114.3103.7105.0104.8100.7101.9102.4103.1103.1104.4103.8105.2105.298.196.997.191.891.083.3
Percentage of Assets39.439.038.044.240.639.438.238.238.842.543.341.941.640.139.337.636.836.335.434.934.333.734.033.532.531.832.229.128.728.327.829.930.229.729.829.629.829.929.830.030.129.729.828.627.80.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-9272.0-9035.0-8881.0-8891.0-8909.0-8916.0-8571.0-8578.0-8568.0-8440.0-8434.0-8142.0-8004.0-7717.0-7516.0-7419.0-6986.0-6805.0-6867.0-6693.0-6667.0-6465.0-6300.0-6325.0-6044.0-5750.0-5636.0-5658.0-5288.0-5307.0-5338.0-5115.0-5148.0-5199.0-5273.0-5284.0-5312.0-5320.0-5390.0-5368.0-5018.0-4925.0-4904.0-4525.0-4381.0-4065.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-126.1-121.6-119.1-124.2-129.2-132.2-121.2-126.4-132.5-131.5-134.4-130.5-132.2-127.2-124.4-140.0-126.9-122.9-129.1-124.3-127.5-121.8-117.4-120.3-111.8-103.1-95.7-99.9-86.0-87.9-88.9-72.9-75.5-77.4-79.0-79.9-81.9-82.1-84.4-85.4-75.8-74.3-74.4-68.7-70.8-66.6
Percentage of Assets-31.9-31.1-30.3-35.9-33.5-32.8-30.9-31.6-33.0-36.1-37.2-36.0-36.4-34.9-34.4-35.4-33.5-33.0-32.9-32.2-32.1-31.1-30.9-31.0-29.4-27.8-26.3-25.5-23.8-23.6-23.6-21.7-22.4-22.5-22.8-22.9-23.4-23.6-23.9-24.3-23.2-22.8-22.8-21.4-21.70.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value51045071512951045040502650495026496249784993492749354916493348064828488548504874480247954827480547784766458544664624460745964582456945534549454645404540456145534545453645284543
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.617.417.520.618.918.518.218.519.121.322.021.822.422.222.622.923.223.723.323.523.123.123.623.623.223.021.420.120.820.520.319.419.919.719.719.720.020.120.220.621.121.021.121.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11444113371115910952107951071810592103641008899249797946491668867858878717671749773887235711670126939684066806582688864736376634262897066694868756879682067716727672166136499642464006053
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.439.038.044.240.639.438.238.238.842.543.341.941.640.139.337.636.836.335.434.934.333.734.033.532.531.832.229.128.728.327.829.930.229.729.829.629.829.929.830.030.129.729.828.6

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value704839-16.0-41.0-91.0-8.0-33.0-22.0-53.0-87.0-16.0-49.0-28.08.014-33.0-66.0-80.0-63.0-49.0-58.0-127.0-91.0-34.0-50.023771358915416913416019320016320617214425925723020888
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.1-0.1-0.2-0.3-0.0-0.1-0.1-0.2-0.4-0.1-0.2-0.10.00.1-0.2-0.3-0.4-0.3-0.2-0.3-0.6-0.4-0.2-0.20.10.30.60.40.70.70.60.70.80.90.70.90.80.71.21.21.11.00.4

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2.02.02.02.02.02.02.02.01.02.01.02.02.02123222121232420202222212123299294302295307309321321324319322320337332334331306
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.11.31.31.31.31.31.31.41.41.41.41.41.41.51.51.51.51.4

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10431120753102985676510229521010890912874975809790855813722754597736545577577574669475732659478600622677480496
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.327.218.526.724.020.526.624.025.624.123.722.926.123.021.623.022.121.021.817.120.315.517.316.816.619.314.421.518.714.319.319.520.915.216.9

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-374000000.0-334000000.0-3606000000.0-323000000.0-415000000.0-503000000.0-280000000.0-531000000.0-765000000.0-800000000.0-663000000.0-496000000.0-373000000.0-637000000.0-395000000.0-311000000.0-336000000.0-337000000.0-382000000.0-468000000.0-739000000.0-272000000.0-421000000.0-469000000.0-458000000.0-400000000.0-503000000.0-650000000.0-711000000.0-362000000.0-462000000.0-431000000.0-352000000.0-388000000.0-435000000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-8.4-8.1-88.7-8.4-11.7-13.5-7.3-13.4-19.4-21.6-17.3-13.0-10.0-18.1-10.8-8.4-9.1-9.8-11.0-13.4-20.4-7.7-12.6-13.7-13.2-11.6-15.3-19.1-20.2-10.8-14.9-13.5-10.9-12.3-14.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-980.0-830.02685-2669.0-907.0-668.0-116.0258178042-493.0-368.0-609.0-38.0-407.0-545.0-474.0-385.0-370.0-228.06.0-424.0-41.0-311.043-220.0-42.0-107.0-34.0-422.0-3.0-204.0-946.0208-331.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.9-20.266.0-69.1-25.5-17.9-3.06.545.11.1-12.8-9.6-16.3-1.1-11.1-14.7-12.9-11.2-10.7-6.50.2-12.0-1.2-9.11.2-6.4-1.3-3.1-1.0-12.6-0.1-6.4-29.26.6-11.3

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-309.0-42.0-165.0-1959.0-465.0-410.06276782027132-247.011-7.01331915.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.9-1.0-4.1-50.7-13.1-11.016.317.151.43.6-6.40.3-0.23.85.20.1

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-53.0-14.010496-31.0-4.07141-13.01.057-11.0-6.0-15.0-205.0-43.0-39.0365334-46.032-16.088-80.038-33.0-37.0-33.0-15.0-182.062-4.0-25.0554.05.03.01509.042-3.05970241.0
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value500472436419414402395404409366370376384347342350356328313336340312301330322292307329339317327344339323326331323317294317319299277317309291
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10431120753102985676510229521010890912874975809790855813722754597736545577577574669475732659478600622677480496
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.327.218.526.724.020.526.624.025.624.123.722.926.123.021.623.022.121.021.817.120.315.517.316.816.619.314.421.518.714.319.319.520.915.216.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value351421438390307361447495381347531499499396903386362298335302287258273335274-129.0210228-605.0291244168224214208171266272237186281244246182315277247155
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.810.210.810.18.69.711.612.59.79.413.813.113.311.324.710.49.88.79.78.58.48.18.410.08.3-4.25.96.7-17.38.06.95.06.56.26.05.27.87.77.16.08.87.57.86.210.59.28.45.5

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value351421438390307361447495382347531498499395903388361297334304286256273337273-131.0598281222237-599.0297256176235223219183278285250196294258258192331292267170
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.810.210.810.18.69.711.612.59.79.413.813.013.311.324.710.49.88.69.78.68.48.18.410.08.2-4.317.47.86.27.0-17.18.27.35.36.86.46.35.68.28.17.56.39.28.08.26.511.09.79.06.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value351421438390307361447495381347531499499396903386362298335302287258273335274-129.0590270210228-605.0291244168224214208171266272237186
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.099.7100.0100.0100.2100.0100.3100.099.5100.3100.3100.399.3100.3100.8100.099.4100.498.598.796.194.696.2101.098.095.395.595.396.095.093.495.795.494.894.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.810.210.810.18.69.711.612.59.79.413.813.113.311.324.710.49.88.79.78.58.48.18.410.08.3-4.217.27.55.96.7-17.38.06.95.06.56.26.05.27.87.77.16.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2223205110.01324191627262218232720183623162130192310.02025111415131113218.06.00.0157.01110.0178.08.08.012
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-374000000.0-334000000.0-3606000000.0-323000000.0-415000000.0-503000000.0-280000000.0-531000000.0-765000000.0-800000000.0-663000000.0-496000000.0-373000000.0-637000000.0-395000000.0-311000000.0-336000000.0-337000000.0-382000000.0-468000000.0-739000000.0-272000000.0-421000000.0-469000000.0-458000000.0-400000000.0-503000000.0-650000000.0-711000000.0-362000000.0-462000000.0-431000000.0-352000000.0-388000000.0-435000000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-8.4-8.1-88.7-8.4-11.7-13.5-7.3-13.4-19.4-21.6-17.3-13.0-10.0-18.1-10.8-8.4-9.1-9.8-11.0-13.4-20.4-7.7-12.6-13.7-13.2-11.6-15.3-19.1-20.2-10.8-14.9-13.5-10.9-12.3-14.8

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireProductiveAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value396270394343436459286483578471454404436400528350299332377333312317369335296233370307208266447323235266378402351379415313280316367262220255
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-980.0-830.02685-2669.0-907.0-668.0-116.0258178042-493.0-368.0-609.0-38.0-407.0-545.0-474.0-385.0-370.0-228.06.0-424.0-41.0-311.043-220.0-42.0-107.0-34.0-422.0-3.0-204.0-946.0208-331.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.9-20.266.0-69.1-25.5-17.9-3.06.545.11.1-12.8-9.6-16.3-1.1-11.1-14.7-12.9-11.2-10.7-6.50.2-12.0-1.2-9.11.2-6.4-1.3-3.1-1.0-12.6-0.1-6.4-29.26.6-11.3

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value242247231230230236218218217223197199200206184185187194180182181183172172175176172172175174171171171170165164165164156158161162150149152153
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2502500.00.00.04020.00.0180682542003002500.05002250.02502500.03000.0473601056358157166120
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.00.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:AcceleratedShareRepurchasesDate

wm:AcceleratedShareRepurchaseAgreement


Payments
Period End2021-05-312021-02-282020-02-292019-05-312018-07-312018-02-282017-08-312017-06-302016-11-30
Value250250313180200250500250225
Percentage of PaymentsForRepurchaseOfCommonStock0.00.00.00.00.00.00.00.00.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:BusinessAcquisition, us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

wm:AdvancedDisposalServices, wm:AdvancedDisposalSeniorNotes5.625PercentDueNovember2024


Debt
Period End2020-10-30
Value5.625
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations wm:AdvancedDisposalServices wm:AdvancedDisposalSeniorNotes5.625PercentDueNovember20240.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument

wm:CanadianSeniorNotes


Debt
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value2.62.62.60.0260.0260.0260.026
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations wm:CanadianSeniorNotes0.00.00.00.00.00.00.0

wm:SeniorNotes4.60PercentDueMarch2021


Debt
Period End2020-11-302020-09-302020-06-302020-03-31
Value4.64.60.0460.046
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations wm:SeniorNotes4.60PercentDueMarch20210.00.00.00.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range, us-gaap:DebtInstrument

srt:Maximum, wm:SeniorNotesAggregate


Debt
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value7.757.750.07750.07750.07750.07750.0775
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Maximum wm:SeniorNotesAggregate0.00.00.00.00.00.00.0

srt:Maximum, wm:TaxExemptBonds


Debt
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value4.34.30.0430.0550.0430.0430.043
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Maximum wm:TaxExemptBonds0.00.00.00.00.00.00.0

srt:Minimum, wm:SeniorNotesAggregate


Debt
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.752.40.0240.0240.0240.0240.024
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Minimum wm:SeniorNotesAggregate0.00.00.00.00.00.00.0

srt:Minimum, wm:TaxExemptBonds


Debt
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.050.170.0010.0110.01350.01350.0135
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Minimum wm:TaxExemptBonds0.00.00.00.00.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value22.922.7-0.4624.50.2220.17-0.01590.1940.2330.2480.00140.1660.1810.227-0.23860.3570.3660.317-0.00270.3370.3760.3540.01310.3230.2960.41-0.12090.3210.4470.2960.40150.3430.3320.328-0.00550.3610.3430.328-0.00390.3230.3450.359-0.01270.3730.4420.3660.049
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value82.8669.6659.4653.4645.1240.837.2235.9833.96
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1806140712911248148213911338
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value374036109827142495449537584102
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value150162261264292273300149120156132139
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AcceleratedShareRepurchasesFinalPricePaidPerShare us-gaap:AcceleratedShareRepurchasesDate

us-gaap:AcceleratedShareRepurchasesFinalPricePaidPerShare

wm:AcceleratedShareRepurchaseAgreement


Accelerated
Period End2021-05-312021-06-302021-02-282020-03-312020-02-292019-09-302018-10-312018-09-302017-08-312017-02-28
Value141.42126.83110.56111.78125.75114.7690.071.1774.3169.43
Percentage of AcceleratedShareRepurchasesFinalPricePaidPerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AcceleratedShareRepurchasesInitialPricePaidPerShare us-gaap:AcceleratedShareRepurchasesDate

us-gaap:AcceleratedShareRepurchasesInitialPricePaidPerShare

wm:AcceleratedShareRepurchaseAgreement


Accelerated
Period End2021-02-282017-08-312017-06-302016-11-30
Value110.5675.2573.4663.41
Percentage of AcceleratedShareRepurchasesInitialPricePaidPerShare100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses us-gaap:EnvironmentalExitCostByProperty

us-gaap:AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses

wm:EnvironmentalCosts


Accrual
Period End2020-12-31
Value1000000.0
Percentage of AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses100.0

us-gaap:AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates us-gaap:EnvironmentalExitCostByProperty

us-gaap:AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates

wm:EnvironmentalCosts


Accrual
Period End2021-06-302021-03-312020-12-312017-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value5.0-7.0-3.07.0-12.03.05.0-1.011121.01.0-2.02.0-4.0-2.02.0-10.0
Percentage of AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingenciesPayments1 us-gaap:EnvironmentalExitCostByProperty

us-gaap:AccrualForEnvironmentalLossContingenciesPayments1

wm:EnvironmentalCosts


Accrual
Period End2021-06-302021-03-312020-12-312018-03-31
Value4.05.06.05.0
Percentage of AccrualForEnvironmentalLossContingenciesPayments1100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease


Allowance
Period End2020-12-31
Value-1000000.0
Percentage of AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs


Allowance
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value15134.012128.01211
Percentage of AllowanceForDoubtfulAccountsReceivableWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2021-03-312020-09-302020-06-302019-06-302018-12-312013-12-312013-09-302012-12-312012-09-302012-06-30
Value6.07.061168.045723302134
Percentage of AssetImpairmentCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges us-gaap:PropertyPlantAndEquipmentByType

wm:RenewableEnergyAssets


Asset
Period End2020-09-30
Value7.0
Percentage of AssetImpairmentCharges100.0

us-gaap:AssetRetirementObligationAccretionExpense

us-gaap:AssetRetirementObligationAccretionExpense


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value27262826252426252423242424232423232224232222232322212321222220232221212022212120
Percentage of AssetRetirementObligationAccretionExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationAccretionExpense us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Landfill


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value2726282625242625242324242423242323222423222223
Percentage of AssetRetirementObligationAccretionExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationLiabilitiesIncurred us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetRetirementObligationLiabilitiesIncurred

us-gaap:Landfill


Asset
Period End2021-06-302021-03-312020-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value312622151716131414
Percentage of AssetRetirementObligationLiabilitiesIncurred100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationLiabilitiesSettled us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetRetirementObligationLiabilitiesSettled

us-gaap:Landfill


Asset
Period End2021-06-302021-03-312020-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value2816282126168.02224
Percentage of AssetRetirementObligationLiabilitiesSettled100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationRevisionOfEstimate us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetRetirementObligationRevisionOfEstimate

us-gaap:Landfill


Asset
Period End2021-06-302021-03-312020-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value4.07.0-57.0-17.05.00.01.02.0-5.0
Percentage of AssetRetirementObligationRevisionOfEstimate100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

wm:AdvancedDisposalServices


Business
Period End2020-10-302020-06-242019-04-14
Value460046004900
Percentage of BusinessCombinationConsiderationTransferred1100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

wm:AdvancedDisposalServices, us-gaap:SubsequentEvent


Business
Period End2020-10-30
Value4600
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

wm:AdvancedDisposalServices


Business
Period End2020-10-302020-06-242019-04-14
Value180018001900
Percentage of BusinessCombinationConsiderationTransferredLiabilitiesIncurred100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

wm:AdvancedDisposalServices, us-gaap:SubsequentEvent


Business
Period End2020-10-30
Value3000
Percentage of BusinessCombinationConsiderationTransferredLiabilitiesIncurred166.7

us-gaap:CapitalizedContractCostAmortization us-gaap:IncomeStatementLocation

us-gaap:CapitalizedContractCostAmortization

us-gaap:SellingGeneralAndAdministrativeExpenses


Capitalized
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-31
Value6.06.06.06.06.06.05.06.05.06.0
Percentage of CapitalizedContractCostAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:DebtInstrument, us-gaap:SubsequentEventType, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

wm:RevolvingCreditFacility2020, us-gaap:SubsequentEvent, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2020-07-28
Value0.01225
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:Range, us-gaap:DebtInstrument, us-gaap:SubsequentEventType, us-gaap:VariableRate

srt:Maximum, wm:RevolvingCreditFacility2020, us-gaap:SubsequentEvent, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2020-07-28
Value0.013
Percentage of DebtInstrumentBasisSpreadOnVariableRate1106.1

srt:Minimum, wm:RevolvingCreditFacility2020, us-gaap:SubsequentEvent, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2020-07-28
Value0.01
Percentage of DebtInstrumentBasisSpreadOnVariableRate181.6

us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed us-gaap:BusinessAcquisition, us-gaap:DebtInstrument

us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed

wm:AdvancedDisposalServices, wm:AdvancedDisposalSeniorNotes5.625PercentDueNovember2024


Debt
Period End2020-11-30
Value102.81
Percentage of DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value242247231230230236218218217223197199200206184185187194180182181183172172175176171171171170165164493-164.0-156.0-158.0-161.0-162.0
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value242247231230230236218218217223197199200206184185187194180182181183172172175176171171171170165164493-164.0-156.0-158.0-161.0-162.0
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EarlyRepaymentOfSeniorDebt us-gaap:DebtInstrument

us-gaap:EarlyRepaymentOfSeniorDebt

wm:SeniorNotes3.125PercentDue2025


Early
Period End2021-05-31
Value178
Percentage of EarlyRepaymentOfSeniorDebt100.0

wm:SeniorNotes3.5PercentDue2024


Early
Period End2021-05-31
Value194
Percentage of EarlyRepaymentOfSeniorDebt109.0

wm:SeniorNotes3.9PercentDue2035


Early
Period End2021-05-31
Value153
Percentage of EarlyRepaymentOfSeniorDebt86.0

wm:SeniorNotes4.15PercentDue2049


Early
Period End2021-05-31
Value316
Percentage of EarlyRepaymentOfSeniorDebt177.5

wm:SeniorNotes4.1PercentDue2045


Early
Period End2021-05-31
Value334
Percentage of EarlyRepaymentOfSeniorDebt187.6

wm:SeniorNotes6.125PercentDue2039


Early
Period End2021-05-312019-05-31
Value6.022
Percentage of EarlyRepaymentOfSeniorDebt3.40.0

wm:SeniorNotes7.0PercentDue2028


Early
Period End2021-05-31
Value73
Percentage of EarlyRepaymentOfSeniorDebt41.0

wm:SeniorNotes7.1PercentDue2026


Early
Period End2021-05-31
Value26
Percentage of EarlyRepaymentOfSeniorDebt14.6

wm:SeniorNotes7.75PercentDue2032


Early
Period End2021-05-312019-05-31
Value9.057
Percentage of EarlyRepaymentOfSeniorDebt5.10.0

wm:SeniorNotesAggregate


Early
Period End2021-05-312019-05-312019-06-30
Value1300257257
Percentage of EarlyRepaymentOfSeniorDebt730.30.00.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-06-302018-03-31
Value2.02.03.04.01.0-4.01.0-1.00.0-1.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.09.02.02.02.0213.05.05.0132.03.01.0112.01.02.032
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment

wm:RefinedCoalFacility


Equity
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.07.0
Percentage of EquityMethodInvestmentOtherThanTemporaryImpairment0.00.00.0100.0

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnDispositionOfAssets1


Gain
Period End2021-03-312018-12-312018-06-30
Value8.05340
Percentage of GainLossOnDispositionOfAssets1100.0100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.09.0-1.03.04.03.08.0143.02.026115.05.0132.02.03.06.08.05.05.09.03.06.07.04.06.0214.06.05.07.03.010.04.03.04.0115.05.03.06.06.05.05.0
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-11.0-9.0-12.0-16.0-14.0-26.0-16.0-14.0-16.0-9.0-12.0-9.0-13.0-7.0-15.0-8.0-13.0-32.0-12.0-9.0-16.0-7.0-6.0-9.0-15.0-8.0-17.0-14.0-13.0-9.0-15.0-3.0-8.0-8.0-11.0-17.0-11.0-7.0-11.0-7.0-9.0-4.0-5.0-8.0-8.00.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

wm:InvestmentsQualifyingForFederalTaxCredits


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-12.0-9.0-14.0-16.0-17.0-26.0-14.0-11.0-12.0-9.0-13.0-5.0-6.0-6.0-9.0-6.0-9.0-6.0-9.0-7.0-9.0-6.0-9.0-7.0-7.0
Percentage of IncomeLossFromEquityMethodInvestments109.1100.0116.7100.0121.4100.087.578.675.0100.0108.355.646.285.760.075.069.218.875.077.856.285.7150.077.846.7

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-13000000.0-9000000.0-12000000.0-15000000.0-14000000.0-19000000.0-16000000.0-14000000.0-16000000.0-9000000.0-12000000.0-9000000.0-13000000.0-7000000.0-14000000.0-8000000.0-10000000.0-7000000.0-12000000.0-9000000.0-16000000.0-7000000.0-10000000.0-9000000.0-15000000.0-8000000.0-6000000.0-14000000.0-13000000.0-9000000.0-15000000.0-3000000.0-8000000.0-8000000.0-11000000.0-17000000.0-11000000.0-7000000.0-11000000.0-7000000.0-9000000.0-4000000.0-6000000.0-9000000.0-5000000.00
Percentage of IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncomeTaxReconciliationTaxSettlements

us-gaap:IncomeTaxReconciliationTaxSettlements


Income
Period End2021-06-302020-06-302018-09-30
Value-1000000.0-5000000.0-2000000.0
Percentage of IncomeTaxReconciliationTaxSettlements100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value223-199.0255109-58.0-127.05121193-212.059159-19.0-183.0383-69.0108-151.01103445-111.010753-41.0592322849-41.0-30.0-18.092-88.01940128-56.0-36.031159-44.00.049122-12.0
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value215-2.025109-48.0-123.03086244-117.026146150-119.02173176-144.012334126-109.0-21.0-38.0142-195.09.01243.0-19.0-28.033-8.0-24.0-64.02.0104-99.0-31.071-15.0405.036-74.0-24.0
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable


Increase
Period End2020-12-312020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-30
Value3.0-6.0-35.0130.0-27.010.0-15.0
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities


Increase
Period End2021-03-31
Value19
Percentage of IncreaseDecreaseInOtherAccruedLiabilities100.0

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:IncreaseDecreaseInOtherCurrentAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value211.0-57.046-9.010.0-29.047-4.09.0-6.0131.08.0-5.022-5.08.0-9.013-3.011-7.02.0-15.04.0246.0-21.010.0-2.012-21.0185.019-7.033-2.07.0
Percentage of IncreaseDecreaseInOtherCurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-2.0-7.0-12.0-27.0-13.0-1.0-3.0-3.0-7.03.0111.01.01.0-6.0-4.0-1.07.0-2.0-1.00.0-75.0-12.0-2.02.019-8.0-1.0-11.0-2.0-5.0-4.02.03.0-3.0-10.0-79.0-13.07.0-4.0
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value3.0-5.04.02.014-9.02.04.04.05.0-3.09.00.0-1.00.00.01.01.03.00.01.01.0-1.0-2.01.0-1.03.02.01.01.0-1.01.00.01.0-1.02.01.0-3.01.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302013-12-31
Value3.0-5.05.02.014-9.02.04.04.05.0-3.09.00.0-1.01.01.03.00.01.01.0-1.0-2.0-1.03.01.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value168.0532449-85.023-13.02933-73.031-23.0-33.0-6.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax533.3-160.01060.01200.0350.0944.41150.0-325.0725.0660.02433.3344.40.03300.0-600.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1313431934-76.019-17.02528-72.022-23.0-32.0-10.010.0-25.0-16.06.061-36.0-60.013-81.0-44.0-61.040-42.0-31.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax433.3-260.0860.0950.0242.9844.4950.0-425.0625.0560.02400.0244.40.03200.0-1000.01000.0-833.30.0600.06100.03600.03000.00.00.04400.0-2033.30.00.0-3100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.01.00.00.00.01.00.00.00.01.00.00.00.01.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.00.01.01.01.0-1.00.00.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax0.00.0100.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1.0-2.01.01.0-1.03.01.02.01.01.0-1.03.00.00.00.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax0.00.0100.00.00.00.0100.00.00.00.0-100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302014-06-30
Value-2.00.01.0-2.00.00.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.00.0100.0100.00.00.0

us-gaap:PaymentsForOtherOperatingActivities us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk

us-gaap:PaymentsForOtherOperatingActivities

wm:SeniorNotesAggregate, us-gaap:TreasuryLock


Payments
Period End2021-05-31
Value8000000.0
Percentage of PaymentsForOtherOperatingActivities100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-23.072-5.0-17.0-18.0556.0-16.0149-53.0193232.05.070-66.03.05.0-16.0113.06.00.0-1.00.0-2.0-20.018421829221817151.0-3.0-15.0-3.03.09.02.0
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtExtinguishmentCosts

us-gaap:PaymentsOfDebtExtinguishmentCosts


Payments
Period End2020-12-312019-12-312019-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.00.00.00.01.01.00.00.01.0554
Percentage of PaymentsOfDebtExtinguishmentCosts0.00.00.00.00.0100.0100.00.00.0100.0100.0

us-gaap:PaymentsOfDebtExtinguishmentCosts us-gaap:DebtInstrument

wm:SeniorNotesAggregate


Payments
Period End2021-05-31
Value211
Percentage of PaymentsOfDebtExtinguishmentCosts0.0

us-gaap:PaymentsOfDebtExtinguishmentCosts us-gaap:DebtInstrument, us-gaap:SubsequentEventType

wm:SeniorNotesMandatoryRedemptionFeature, us-gaap:SubsequentEvent


Payments
Period End2020-07-20
Value30
Percentage of PaymentsOfDebtExtinguishmentCosts0.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.0280.00.01.0331.02.00.0301.00.00.0280.00.015320.07.04.019
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation0.0100.00.00.0100.0100.0100.0100.00.0100.0100.00.00.0100.00.00.0100.0100.00.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.07.040822.00.01.08.073463941187917246120294110.011283553781199.04453.06.01511264883018072242512922248858996410617562
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet

us-gaap:ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet


Proceeds
Period End2020-12-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value55591255871859122619053632545214427931301277194491817453864587913891147-48.0119495373252872005978.039613369592114
Percentage of ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet us-gaap:DebtInstrument

wm:SeniorNotesAggregate


Proceeds
Period End2021-05-312020-11-302019-05-31
Value94224803970
Percentage of ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet0.00.00.0

wm:TaxExemptBonds


Proceeds
Period End2020-12-312017-08-31
Value8075
Percentage of ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet1.40.0

us-gaap:ProceedsFromLinesOfCredit us-gaap:DebtInstrument

us-gaap:ProceedsFromLinesOfCredit

wm:RevolvingCreditFacility2020


Proceeds
Period End2020-10-31
Value3000
Percentage of ProceedsFromLinesOfCredit100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-11.07.0-3.0-7.0-7.0-3.02.0-7.0-43.037-2.0-10.03.0-29.023-30.0-20.043-19.013-2.0-39.038-3.0-2.0-2.01.00.01.0-3.02.0-46.035-8.017-3.01.0-8.0-36.0350.0-14.0-3.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfCommercialPaper

us-gaap:ProceedsFromRepaymentsOfCommercialPaper


Proceeds
Period End2021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-280.012110.00.0-1358.0357-70.080-28.04711224843210
Percentage of ProceedsFromRepaymentsOfCommercialPaper100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfCommercialPaper us-gaap:DebtInstrument

wm:CommercialPaperProgram


Proceeds
Period End2021-03-312020-09-302019-12-312019-09-302019-06-302019-03-31
Value-280.0597-2000.00.0643357
Percentage of ProceedsFromRepaymentsOfCommercialPaper100.00.00.00.0-47.3100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2417147.011317.01520257.01210.0233.06.09.0776.0132618246.08.03923391714161860384.08.07.0245.05.0122326156.07.0
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value114.02214128.09.010.0191310.0121210.010.011159.07.0119.09.06.01211126.013122.06.0191813121415147.08.01210.08.011
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312014-12-312014-09-30
Value0.00.00.00.00.01.01.00.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax0.00.00.00.00.0100.0100.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-6.0-1.0-3.0-1.0-2.0-2.0-2.0-2.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax0.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-6.0-1.0-2.0-1.0-1.0-2.0-2.0-2.0-2.0-1.0-2.0-2.0-2.0-2.00.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax0.00.00.00.00.00.00.00.00.0-100.00.00.00.00.00.0

us-gaap:ReclassificationFromAociCurrentPeriodTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.01.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of ReclassificationFromAociCurrentPeriodTax0.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-3.00.00.0-1.0-1.00.0-1.0-1.0
Percentage of ReclassificationFromAociCurrentPeriodTax0.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.00.00.00.00.00.00.00.00.00.00.00.00.01.0
Percentage of ReclassificationFromAociCurrentPeriodTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value227749386532376802531117329561611421168011581228654147269387064734324015220291176467997928-92.097624226585202662057811115615818071944169
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities us-gaap:BusinessAcquisition, us-gaap:DebtInstrument

wm:AdvancedDisposalServices, wm:AdvancedDisposalSeniorNotes5.625PercentDueNovember2024


Repayments
Period End2020-11-30
Value437
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities0.0

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities us-gaap:DebtInstrument

wm:FinancingLeasesAndOther


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value34252827282519141211
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities1.551.00.70.84.1100.061.312.03.619.6

wm:RevolvingCreditFacility2020


Repayments
Period End2020-10-30
Value870
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities0.0

wm:SeniorNotes4.75PercentDueJune2020


Repayments
Period End2020-09-302020-06-30
Value0.0600
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities0.088.2

wm:SeniorNotesMandatoryRedemptionFeature


Repayments
Period End2020-07-20
Value3000
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities0.0

wm:TaxExemptBonds


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.0240.030110.0603410.010.0222087
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities0.049.00.00.935.50.018.260.76.27.019.025.07.5

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities us-gaap:DebtInstrument, us-gaap:SubsequentEventType

wm:SeniorNotesMandatoryRedemptionFeature, us-gaap:SubsequentEvent


Repayments
Period End2020-07-20
Value3000
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities0.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312010-09-302010-06-302009-12-312009-09-302009-06-302009-03-31
Value4.01.00.07.02.03.01.00.02.00.01.01.02.0-2.01.01.00.00.02.02.08.02.04.01.013671.01.05.03.02.08.016443.04.04.0150.0-1.00.0-1.04.03.05.038
Percentage of RestructuringCharges100.0100.00.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2020-12-312019-12-31
Value483.0
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value310000.01089000.0422000.0169000.01355000.0-2418400.0613000.0387000.01421000.0-2178700.0557000.0141000.01483000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value444234802137295336463152244428
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value33-8.0256414-23.0232820-15.0263219-17.027
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation75.0-19.073.580.066.7-62.279.352.855.6-32.683.961.579.2-38.696.4

us-gaap:RetainedEarnings


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-2.04.00.0-2.00.03.0-1.0-1.00.03.0-1.0-2.00.04.0-2.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation-4.59.50.0-2.50.08.1-3.4-1.90.06.5-3.2-3.80.09.1-7.1

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value13469.0187.0577.02616586.0225.0573.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation29.5109.526.522.533.3154.124.149.144.4126.119.442.320.8129.510.7

us-gaap:StockholdersEquityOther

us-gaap:StockholdersEquityOther


Stockholders
Period End2020-09-302019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312013-12-312013-09-302012-12-31
Value1.0-1.02.0-1.0-1.00.01.00.0-1.02.02.010.00.00.0-1.00.00.0-2.00.0
Percentage of StockholdersEquityOther100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.00.00.0100.00.00.0100.00.0

us-gaap:StockholdersEquityOther us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Stockholders
Period End2020-12-312020-09-302015-03-31
Value0.01.00.0
Percentage of StockholdersEquityOther0.0100.00.0

us-gaap:StockholdersEquityOtherShares us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOtherShares

us-gaap:TreasuryStock


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1000.01000.01000.0-2995.01000.01000.01000.0-1007.0-1000.01000.01000.0
Percentage of StockholdersEquityOtherShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired us-gaap:AcceleratedShareRepurchasesDate

us-gaap:TreasuryStockSharesAcquired

wm:AcceleratedShareRepurchaseAgreement


Treasury
Period End2021-05-312021-06-302021-02-282020-03-312020-02-292019-09-302019-05-312018-12-312018-10-312018-09-302018-07-312018-03-312018-02-282017-08-312017-06-302017-02-282016-11-30
Value1.40.21.80.82.00.31.32.60.41.81.80.62.35.32.70.42.8
Percentage of TreasuryStockSharesAcquired100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1.5761.8090.00.03.687-2.2447530.2541.3140.679-8.3633271.8073.5373.031-9.0719425.9572.7230.4022.8390.5593.7924.05129-5.941-6.101-2.781-9.559431
Percentage of TreasuryStockSharesAcquired788.00.00.00.0460.90.084.70.00.0-321.7100.40.0505.20.00.0100.90.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312011-12-312011-09-302011-06-302011-03-31
Value2502500.00.00.04020.00.0180642582002922580.05002250.02502500.03000.01121-370.0-108.0-68.0
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.00.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Treasury
Period End2021-06-302021-03-312019-09-302019-06-302018-09-302017-12-312017-09-302017-06-302017-03-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-09-30
Value0.050-36.03640-100.05050-45.020300.00.00.0-180.00.00.0
Percentage of TreasuryStockValueAcquiredCostMethod0.020.00.020.020.00.010.00.00.08.012.00.00.00.00.00.0-0.0

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-12-312011-09-302011-06-302011-03-31
Value2502000.00.00.04020.0361446429816029225810045020045180502302200.03003001800.01121-370.0-108.0-68.0
Percentage of TreasuryStockValueAcquiredCostMethod100.080.00.00.00.0100.00.00.080.0100.0115.580.0100.0100.00.090.00.00.080.00.092.088.00.0100.00.00.00.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value2000000.01400000.01900000.01600000.02200000.02900000.02700000.02400000.02900000.02400000.02500000.03000000.02500000.02800000.02800000.02700000.02500000.03100000.02500000.02800000.02100000.01700000.01900000.01500000.0800000.0800000.0600000.01300000.01400000.01800000.01900000.03700000.03700000.02500000.0
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberOfSharesIssuedBasic

us-gaap:WeightedAverageNumberOfSharesIssuedBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.80.80.10.12.2-0.10.31.01.90.81.5-0.63.62.21.90.92.31.4-2.53.13.70.7-2.02.90.20.14.90.1-0.20.80.00.20.4-0.6-2.37.11.91.0
Percentage of WeightedAverageNumberOfSharesIssuedBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

wm:AccountsReceivableAllowanceForCreditLossOther

wm:AccountsReceivableAllowanceForCreditLossOther


Accounts
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3000000.0-3000000.00-1000000.01000000.0-1000000.01000000.02000000.0
Percentage of AccountsReceivableAllowanceForCreditLossOther100.0100.00.0100.0100.0100.0100.0100.0

wm:AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments us-gaap:BusinessAcquisition

wm:AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments

wm:AdvancedDisposalServices


Asset
Period End2020-12-31
Value278
Percentage of AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments100.0

wm:AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Landfill


Asset
Period End2020-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value263-2.0-4.0-2.015-3.0-22.0
Percentage of AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments94.60.00.00.00.00.00.0

wm:AssetRetirementObligationIncreaseDecreaseLandfillClosure us-gaap:PropertyPlantAndEquipmentByType

wm:AssetRetirementObligationIncreaseDecreaseLandfillClosure

us-gaap:Landfill


Asset
Period End2020-12-31
Value0
Percentage of AssetRetirementObligationIncreaseDecreaseLandfillClosure0.0

wm:EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAcquisitionTransactionCostsAmount

wm:EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAcquisitionTransactionCostsAmount


Effective
Period End2020-09-30
Value19
Percentage of EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAcquisitionTransactionCostsAmount100.0

wm:GainLossFromDivestituresAssetImpairmentsAndOtherNoncashPortion

wm:GainLossFromDivestituresAssetImpairmentsAndOtherNoncashPortion


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.017-33.08.0617.0341.02355-44.028-39.0-3.0
Percentage of GainLossFromDivestituresAssetImpairmentsAndOtherNoncashPortion0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:GainLossFromDivestituresAssetImpairmentsAndUnusualItems

wm:GainLossFromDivestituresAssetImpairmentsAndUnusualItems


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0.017-33.07.061341.07.0-44.028-39.0
Percentage of GainLossFromDivestituresAssetImpairmentsAndUnusualItems0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:IncomeTaxExpenseBenefitIncludingFederalTaxCreditsFromEquityMethodInvestment us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

wm:IncomeTaxExpenseBenefitIncludingFederalTaxCreditsFromEquityMethodInvestment

wm:InvestmentsQualifyingForFederalTaxCredits


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1616222417242736181517181210.012141411151514
Percentage of IncomeTaxExpenseBenefitIncludingFederalTaxCreditsFromEquityMethodInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations us-gaap:EnvironmentalExitCostByProperty

wm:IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations

wm:EnvironmentalCosts


Increase
Period End2020-12-31
Value-3.0
Percentage of IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations100.0

wm:InterestAndOtherIncomeExpense

wm:InterestAndOtherIncomeExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-335.0-105.0-107.0-164.0-132.0-138.0-124.0-119.0-199.0-159.0-108.0-102.0-106.0-97.0-120.0-98.0-103.0-124.0-107.0-103.0-152.0-112.0-105.0-105.0-113.0-662.0-153.0-132.0-130.0-133.0-193.0-125.0-127.0-140.0-135.0-152.0-132.0-129.0-140.0-122.0-125.0-121.0-120.0-133.0-122.0
Percentage of InterestAndOtherIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipant

wm:MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipant


Multiemployer
Period End2021-06-302021-03-31
Value020.0
Percentage of MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipant0.0100.0

wm:PotentiallyIssuableShares

wm:PotentiallyIssuableShares


Potentially
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value6.16.4-0.26.36.56.6-0.16.87.27.6-0.27.68.08.2-0.18.28.49.20.69.21011-0.8111111-1.1121314-0.6121315-1.2161717-0.3171717-1.91415
Percentage of PotentiallyIssuableShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAndProceedsFromSalesOfAssetsInvestingActivities

wm:ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAndProceedsFromSalesOfAssetsInvestingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value2.0158655.03.012209.08.01210210.08214806.06.07.0118.011133136591919345310016625393737168.0146.0149.0
Percentage of ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAndProceedsFromSalesOfAssetsInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:ProvisionForDoubtfulAccountsAndOtherCreditLosses

wm:ProvisionForDoubtfulAccountsAndOtherCreditLosses


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value6.0112214
Percentage of ProvisionForDoubtfulAccountsAndOtherCreditLosses100.0100.0100.0100.0

wm:ReceivablesClassifiedAsCurrentPercent

wm:ReceivablesClassifiedAsCurrentPercent


Receivables
Period End2020-12-31
Value10.0
Percentage of ReceivablesClassifiedAsCurrentPercent100.0

wm:ReceivablesOutstandingLessThanThresholdPercent

wm:ReceivablesOutstandingLessThanThresholdPercent


Receivables
Period End2020-12-31
Value0
Percentage of ReceivablesOutstandingLessThanThresholdPercent0.0

us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AccrualForEnvironmentalLossContingencies


Accrual
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value220218230238242248240239241233237237249251250245243246253213207209229231230235231223224227236239252253264264267273285275281284256299
Percentage of AccrualForEnvironmentalLossContingencies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingencies us-gaap:EnvironmentalExitCostByProperty

wm:EnvironmentalCosts


Accrual
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312010-12-31
Value220218230238242248240239241233237237249251251250245243246253213207209229231230235231223224227236239252253264264273284
Percentage of AccrualForEnvironmentalLossContingencies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingencies us-gaap:EnvironmentalRemediationSite

wm:SanJacintoWastePits


Accrual
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value53545555575656565555555555555446
Percentage of AccrualForEnvironmentalLossContingencies24.124.823.923.123.023.323.423.223.623.223.222.121.90.021.618.7

us-gaap:AccrualForEnvironmentalLossContingenciesDiscountRate us-gaap:EnvironmentalExitCostByProperty

us-gaap:AccrualForEnvironmentalLossContingenciesDiscountRate

wm:EnvironmentalCosts


Accrual
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value1.00.750.00750.00750.01750.020.020.02750.025
Percentage of AccrualForEnvironmentalLossContingenciesDiscountRate100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear


Accrual
Period End2020-12-31
Value61
Percentage of AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear100.0

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear


Accrual
Period End2020-12-31
Value12
Percentage of AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear100.0

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear


Accrual
Period End2020-12-31
Value33
Percentage of AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear100.0

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear


Accrual
Period End2020-12-31
Value48
Percentage of AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear100.0

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear


Accrual
Period End2020-12-31
Value40
Percentage of AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear100.0

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear

us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear


Accrual
Period End2020-12-31
Value26
Percentage of AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear100.0

us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCosts

us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCosts


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-03-312010-12-312009-12-31
Value155155164129134137165142151158169158158157156163164159147146147142143144144147147125127129130127132131132154156161145148166
Percentage of AccruedCappingClosurePostClosureAndEnvironmentalCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent

us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-03-312010-12-312009-12-31
Value22992262222220372030199119301917190018661828183218101795177017271712169216751683162216061584160515921568153115351540153215181507148714861459145314371404142514021357
Percentage of AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEnvironmentalLossContingenciesCurrent us-gaap:EnvironmentalExitCostByProperty

us-gaap:AccruedEnvironmentalLossContingenciesCurrent

wm:EnvironmentalCosts


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value2625262726272728262626272828282326262831313231414242433735353528293028363738
Percentage of AccruedEnvironmentalLossContingenciesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent us-gaap:EnvironmentalExitCostByProperty

us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent

wm:EnvironmentalCosts


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value194193204211216221213211215207211210221223223227219217218222182175178188189188192194188189192208210222225228227235
Percentage of AccruedEnvironmentalLossContingenciesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables

us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables


Allowance
Period End2020-12-312020-09-302020-06-302019-12-31
Value8000000.08000000.04000000.01000000.0
Percentage of AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2628333446282827283029252422212625242420212625262731303232363340515445373428293124242631
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulOtherReceivablesCurrent

us-gaap:AllowanceForDoubtfulOtherReceivablesCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value9.0117.06.02.05.01.0
Percentage of AllowanceForDoubtfulOtherReceivablesCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligation us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetRetirementObligation

us-gaap:Landfill


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-31
Value2234219921561928192218801855182018101791176017531719170116751640163116081576157615561541151815201505148514431429144414211338
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationCurrent us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetRetirementObligationCurrent

us-gaap:Landfill


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value129130138102108110138114125132143131130129128140138133119115116110112103102105104889295
Percentage of AssetRetirementObligationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationsNoncurrent us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetRetirementObligationsNoncurrent

us-gaap:Landfill


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value210520692018182618141770171717061685165916171622158915721547150014931475145714611440143114061417140313801339134113521326
Percentage of AssetRetirementObligationsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-06-302011-12-31
Value5839259691134306235563926331926774674242432592773761711841791741691691672432003243771445172161162277377
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent


Assets
Period End2020-09-30
Value53
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent100.0

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts

wm:AdvancedDisposalServices


Business
Period End2020-12-31
Value156
Percentage of BusinessAcquisitionCostOfAcquiredEntityTransactionCosts100.0

us-gaap:BusinessAcquisitionSharePrice us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionSharePrice

wm:AdvancedDisposalServices


Business
Period End2020-10-302020-06-242019-04-14
Value30.330.333.15
Percentage of BusinessAcquisitionSharePrice100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther

wm:AdvancedDisposalServices


Business
Period End2021-06-302021-03-312020-10-30
Value161717
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value-1.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther-5.9

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value17
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:Restatement, us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value159
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable

wm:AdvancedDisposalServices


Business
Period End2021-06-302021-03-312020-10-30
Value106107107
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value-1.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable-0.9

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value107
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue us-gaap:Restatement, us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value19
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt us-gaap:Restatement, us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value12
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther

wm:AdvancedDisposalServices


Business
Period End2021-06-302021-03-312020-10-30
Value159155155
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value4.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther2.6

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value155
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities

wm:AdvancedDisposalServices


Business
Period End2021-06-302021-03-312020-10-30
Value222235223
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value12
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities5.4

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value223
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFinancialAssets us-gaap:Restatement, us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFinancialAssets

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value9000000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFinancialAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

wm:AdvancedDisposalServices


Business
Period End2021-06-302021-03-312020-10-30
Value601601604
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

wm:AdvancedDisposalServices, us-gaap:CustomerRelationships


Business
Period End2021-06-302021-03-312020-10-30
Value572572575
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill95.295.295.2

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value-3.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill-0.5

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value604
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory

wm:AdvancedDisposalServices


Business
Period End2021-06-302021-03-312020-10-30
Value7000000.08000000.08000000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value-1000000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory-12.5

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value8000000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt us-gaap:Restatement, us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value441
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther

wm:AdvancedDisposalServices


Business
Period End2021-06-302021-03-312020-10-30
Value817879
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value-1.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther-1.3

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value79
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets

wm:AdvancedDisposalServices


Business
Period End2021-06-302021-03-312020-10-30
Value252527
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value-2.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets-7.4

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value27
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

wm:AdvancedDisposalServices


Business
Period End2021-06-302021-03-312020-10-30
Value128512951278
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value17
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment1.3

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value1278
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet us-gaap:Restatement, us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

srt:ScenarioPreviouslyReported, wm:AdvancedDisposalServices


Business
Period End2020-10-30
Value4082
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet100.0

us-gaap:CapitalizedContractCostNet

us-gaap:CapitalizedContractCostNet


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-31
Value170165159160159163153150149145141139136
Percentage of CapitalizedContractCostNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedContractCostNet us-gaap:CapitalizedContractCost

wm:DeferredSalesIncentives


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-31
Value121119118117117118117115113109109108107
Percentage of CapitalizedContractCostNet71.272.174.273.173.672.476.576.775.875.277.377.778.7

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value87419530695261631173527291822491637082109225
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommercialPaper us-gaap:DebtInstrument

us-gaap:CommercialPaper

wm:CommercialPaperProgram


Commercial
Period End2021-06-302021-03-312020-09-302019-06-30
Value150015006000.0
Percentage of CommercialPaper100.0100.0100.00.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentFaceAmount

wm:SeniorNotes0.750PercentDueNovember2025


Debt
Period End2020-11-30
Value500
Percentage of DebtInstrumentFaceAmount100.0

wm:SeniorNotes1.150PercentDueMarch2028


Debt
Period End2020-11-30
Value500
Percentage of DebtInstrumentFaceAmount100.0

wm:SeniorNotes1.500PercentDueMarch2031


Debt
Period End2020-11-30
Value1000
Percentage of DebtInstrumentFaceAmount200.0

wm:SeniorNotes2.0PercentDueJune12029


Debt
Period End2021-05-31
Value475
Percentage of DebtInstrumentFaceAmount0.0

wm:SeniorNotes2.500PercentDueNovember2050


Debt
Period End2020-11-30
Value500
Percentage of DebtInstrumentFaceAmount100.0

wm:SeniorNotes2.95PercentDueJune12041


Debt
Period End2021-05-31
Value475
Percentage of DebtInstrumentFaceAmount0.0

wm:SeniorNotesAggregate


Debt
Period End2021-05-312020-11-302019-05-31
Value95025004000
Percentage of DebtInstrumentFaceAmount0.0500.00.0

us-gaap:DebtInstrumentFairValue us-gaap:BusinessAcquisition, us-gaap:DebtInstrument

us-gaap:DebtInstrumentFairValue

wm:AdvancedDisposalServices, wm:AdvancedDisposalSeniorNotes5.625PercentDueNovember2024


Debt
Period End2020-10-30
Value438
Percentage of DebtInstrumentFairValue100.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value1400014100152001170013900143001450014600136001070010100101009900101009900990097009700
Percentage of DebtInstrumentFairValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value132001350013800104001280013500135001340012700104001000010000980010000950093009000910091009200940010200
Percentage of DebtInstrumentFairValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentRepurchasedFaceAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentRepurchasedFaceAmount

wm:SeniorNotes2.4PercentDue2023


Debt
Period End2021-05-31
Value500
Percentage of DebtInstrumentRepurchasedFaceAmount100.0

wm:SeniorNotes2.9PercentDue2022


Debt
Period End2021-05-31
Value500
Percentage of DebtInstrumentRepurchasedFaceAmount100.0

wm:SeniorNotes3.125PercentDue2025


Debt
Period End2021-05-31
Value600
Percentage of DebtInstrumentRepurchasedFaceAmount120.0

wm:SeniorNotes3.15PercentDue2027


Debt
Period End2021-05-31
Value750
Percentage of DebtInstrumentRepurchasedFaceAmount150.0

wm:SeniorNotes3.5PercentDue2024


Debt
Period End2021-05-31
Value350
Percentage of DebtInstrumentRepurchasedFaceAmount70.0

wm:SeniorNotes3.9PercentDue2035


Debt
Period End2021-05-31
Value450
Percentage of DebtInstrumentRepurchasedFaceAmount90.0

wm:SeniorNotes4.15PercentDue2049


Debt
Period End2021-05-31
Value1000
Percentage of DebtInstrumentRepurchasedFaceAmount200.0

wm:SeniorNotes4.1PercentDue2045


Debt
Period End2021-05-31
Value750
Percentage of DebtInstrumentRepurchasedFaceAmount150.0

wm:SeniorNotes6.125PercentDue2039


Debt
Period End2021-05-312019-05-31
Value252274
Percentage of DebtInstrumentRepurchasedFaceAmount50.40.0

wm:SeniorNotes7.0PercentDue2028


Debt
Period End2021-05-31
Value330
Percentage of DebtInstrumentRepurchasedFaceAmount66.0

wm:SeniorNotes7.1PercentDue2026


Debt
Period End2021-05-31
Value249
Percentage of DebtInstrumentRepurchasedFaceAmount49.8

wm:SeniorNotes7.375PercentDue2029


Debt
Period End2021-05-312019-05-31
Value81139
Percentage of DebtInstrumentRepurchasedFaceAmount16.20.0

wm:SeniorNotes7.75PercentDue2032


Debt
Period End2021-05-312019-05-31
Value153210
Percentage of DebtInstrumentRepurchasedFaceAmount30.60.0

wm:SeniorNotesAggregate


Debt
Period End2021-05-31
Value5965
Percentage of DebtInstrumentRepurchasedFaceAmount1193.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value8283856080818585835052525356
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:DebtInstrument, us-gaap:SubsequentEventType

wm:SeniorNotesMandatoryRedemptionFeature, us-gaap:SubsequentEvent


Debt
Period End2020-07-20
Value22
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet0.0

us-gaap:DebtWeightedAverageInterestRate us-gaap:DebtInstrument

us-gaap:DebtWeightedAverageInterestRate

wm:CommercialPaperProgram


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.40.40.40.50.0290.0280.0290.0240.0240.0230.0190.014
Percentage of DebtWeightedAverageInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:FinancingLeasesAndOther


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4.74.64.64.70.04750.0470.047
Percentage of DebtWeightedAverageInterestRate1175.01150.01150.0940.00.00.0162.1

wm:SeniorNotesAggregate


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value3.13.33.34.10.0390.0390.0390.0390.0390.0430.0430.0430.0430.0430.0430.0460.046
Percentage of DebtWeightedAverageInterestRate775.0825.0825.0820.00.00.0134.50.00.0153.6148.3179.2179.2187.0226.3328.60.0

wm:TaxExemptBonds


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value1.61.71.71.90.0210.0270.0230.0230.0240.0240.02350.0220.0220.0210.020.0190.0180.0250.0270.0280.0290.0290.031
Percentage of DebtWeightedAverageInterestRate400.0425.0425.0380.00.00.079.30.00.085.781.091.791.791.3105.3135.70.00.00.00.00.00.00.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value473570576476756773677520490609441489
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value9915017596355373380356301283202176
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value105986585486512181182109511041050976886802
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-31
Value114108
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value956842752595728709598966118012821045941
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value154141120126114
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value150136117120103
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value141418
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value4.05.03.0
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation28.635.716.7

us-gaap:DerivativeAssetNotionalAmount us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeAssetNotionalAmount

us-gaap:TreasuryLock


Derivative
Period End2020-09-302020-06-30
Value500400
Percentage of DerivativeAssetNotionalAmount100.0100.0

us-gaap:DerivativeNotionalAmount us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNotionalAmount

wm:SeniorNotesAggregate, us-gaap:TreasuryLock


Derivative
Period End2021-05-31
Value450
Percentage of DerivativeNotionalAmount100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration us-gaap:BusinessAcquisition, us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration

wm:AdvancedDisposalServices, us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations


Disposal
Period End2020-10-30
Value856
Percentage of DisposalGroupIncludingDiscontinuedOperationConsideration100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:SubsequentEventType

wm:AdvancedDisposalServices, us-gaap:SubsequentEvent


Disposal
Period End2020-10-30
Value856
Percentage of DisposalGroupIncludingDiscontinuedOperationConsideration100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:PlanName

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

wm:EmployeeStockIncentivePlan


Employee
Period End2020-12-31
Value46
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0

us-gaap:EquityMethodInvestments us-gaap:ConsolidatedEntities

us-gaap:EquityMethodInvestments

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Equity
Period End2020-12-312019-12-31
Value228309
Percentage of EquityMethodInvestments100.0100.0

us-gaap:EquityMethodInvestments us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, wm:InvestmentInLowIncomeHousingProperties


Equity
Period End2021-06-302021-03-312020-12-31
Value207220228
Percentage of EquityMethodInvestments0.00.0100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, wm:InvestmentsQualifyingForFederalTaxCredits


Equity
Period End2020-09-302019-12-31
Value243309
Percentage of EquityMethodInvestments0.0100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, wm:TrustForFinalCappingClosurePostClosureOrEnvironmentalRemediationObligations


Equity
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value109108106101101
Percentage of EquityMethodInvestments0.00.046.50.032.7

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount


Equity
Period End2020-12-312019-12-312018-12-31
Value635783
Percentage of EquitySecuritiesWithoutReadilyDeterminableFairValueAmount100.0100.0100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2020-12-31
Value364
Percentage of FinanceLeaseLiability100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2020-12-312019-12-31
Value5036
Percentage of FinanceLeaseLiabilityCurrent100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2020-12-312019-12-31
Value314323
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-31
Value476
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-31
Value234
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2020-12-31
Value61
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-31
Value39
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2020-12-31
Value43
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2020-12-31
Value47
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-31
Value52
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-31
Value112
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2020-12-312019-12-31
Value386374
Percentage of FinanceLeaseRightOfUseAsset100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2020-12-31
Value3.7
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value622567546505426351315285253187144115
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:NoncompeteAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4636242131
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization7.46.34.44.27.3

wm:CustomerAndSupplierRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value497469461422342270231193167
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization79.982.784.483.680.376.973.367.766.0

wm:LicensesPermitsAndOther


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value7962616253464035322726
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization12.710.911.212.312.413.112.712.312.614.418.1

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value146
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value93
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value101
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value112
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value125
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value16461088111810521017828755814650644439353
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:NoncompeteAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6872604859
Percentage of FiniteLivedIntangibleAssetsGross4.16.65.44.65.8

wm:CustomerAndSupplierRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value1436906949880835658576604426
Percentage of FiniteLivedIntangibleAssetsGross87.283.384.983.782.179.576.374.265.5

wm:LicensesPermitsAndOther


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value142110109124123119116123127161147
Percentage of FiniteLivedIntangibleAssetsGross8.610.19.711.812.114.415.415.119.525.033.5

us-gaap:ForeignCurrencyExchangeRateTranslation1

us-gaap:ForeignCurrencyExchangeRateTranslation1


Foreign
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1.27340.75070.73660.71090.76981.3639
Percentage of ForeignCurrencyExchangeRateTranslation1100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReceivable

us-gaap:IncomeTaxReceivable


Income
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value414231284504352
Percentage of IncomeTaxReceivable100.0100.0100.0100.0100.0

us-gaap:InsuranceSettlementsReceivable

us-gaap:InsuranceSettlementsReceivable


Insurance
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value139126130153171
Percentage of InsuranceSettlementsReceivable100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrent us-gaap:BusinessAcquisition, us-gaap:DebtInstrument

us-gaap:InterestPayableCurrent

wm:AdvancedDisposalServices, wm:AdvancedDisposalSeniorNotes5.625PercentDueNovember2024


Interest
Period End2020-11-30
Value13
Percentage of InterestPayableCurrent100.0

us-gaap:InterestPayableCurrent us-gaap:DebtInstrument

wm:SeniorNotes4.60PercentDueMarch2021


Interest
Period End2020-11-30
Value5.0
Percentage of InterestPayableCurrent38.5

wm:SeniorNotesAggregate


Interest
Period End2021-05-31
Value15
Percentage of InterestPayableCurrent0.0

wm:SeniorNotesMandatoryRedemptionFeature


Interest
Period End2020-07-20
Value8.0
Percentage of InterestPayableCurrent0.0

us-gaap:InterestRateDerivativeAssetsAtFairValue us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateDerivativeAssetsAtFairValue

us-gaap:TreasuryLock


Interest
Period End2020-09-30
Value4.0
Percentage of InterestRateDerivativeAssetsAtFairValue100.0

us-gaap:InterestRateDerivativeAssetsAtFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Interest
Period End2020-09-302011-12-31
Value4.073
Percentage of InterestRateDerivativeAssetsAtFairValue100.00.0

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType

us-gaap:InvestmentsFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:AvailableforsaleSecurities


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value44745739038639739035025828850494949545246
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:RedeemablePreferredStock


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value49494949494949494646666655565555545454484847
Percentage of InvestmentsFairValueDisclosure11.010.712.612.712.312.614.00.00.017.822.9132.0112.2114.3112.2101.9103.80.0117.40.00.00.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value59
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:DebtInstrument

us-gaap:LettersOfCreditOutstandingAmount

wm:CreditFacilityRevolving


Letters
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value266269270269362412412412512572587606603603642777
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:OtherLetterOfCreditFacilities


Letters
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value615609566528528525532544542542556541503511507508492
Percentage of LettersOfCreditOutstandingAmount231.2226.4209.6196.3145.9127.4129.1132.0105.994.894.789.383.484.779.065.40.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent


Liabilities
Period End2020-09-30
Value17
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

wm:CreditFacilityRevolving


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-11-302019-10-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-05-312018-03-312017-12-312017-09-302016-12-31
Value35003500350035003500350035003500275027502750275027502750275022502250225022502250
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:DebtInstrument, us-gaap:SubsequentEventType

wm:RevolvingCreditFacility2020, us-gaap:SubsequentEvent


Line
Period End2020-07-28
Value3000
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity0.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

wm:CreditFacilityRevolving


Line
Period End2021-06-302021-03-312020-12-312020-09-30
Value1700170014002600
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0

us-gaap:LongTermDebtFairValue us-gaap:BusinessAcquisition, us-gaap:DebtInstrument

us-gaap:LongTermDebtFairValue

wm:AdvancedDisposalServices, wm:AdvancedDisposalSeniorNotes5.625PercentDueNovember2024


Long
Period End2020-10-30
Value438
Percentage of LongTermDebtFairValue100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value8700
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value2056
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive