WM


Line plots across dimensions of each concept
Tables

Table of contents


us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

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

us-gaap:Revenues

us-gaap:CostOfGoodsAndServicesSold

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:InterestExpense

us-gaap:CostsAndExpenses
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:InterestExpense

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:ProfitLoss
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:NetIncomeLoss
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

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

us-gaap:Liabilities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:AssetsCurrent
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:AccountsReceivableNetCurrent

us-gaap:OtherAssetsCurrent

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:DebtCurrent
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:DebtInstrument

us-gaap:AccountsPayableCurrent
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:LongTermDebt

us-gaap:MinorityInterest
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:NetCashProvidedByUsedInOperatingActivities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:NetCashProvidedByUsedInInvestingActivities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:NetCashProvidedByUsedInOperatingActivities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:NetIncomeLoss
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:ProfitLoss
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:StatementEquityComponents

us-gaap:DepreciationDepletionAndAmortization

us-gaap:NetCashProvidedByUsedInInvestingActivities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:PaymentsOfDividendsCommonStock

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

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensation

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:AcceleratedShareRepurchasesDate
us-gaap:AcceleratedShareRepurchasesFinalPricePaidPerShare

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AssetRetirementObligationAccretionExpense
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

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

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:IncomeLossFromSubsidiariesNetOfTax
us-gaap:ConsolidationItems

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:InterestIncomeExpenseNonoperatingNet
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
us-gaap:StatementEquityComponents

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

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromStockOptionsExercised

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

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities
us-gaap:DebtInstrument
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
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

wm:AccountsReceivableAllowanceForCreditLossOther

wm:GainLossFromDivestituresAssetImpairmentsAndOtherNoncashPortion

wm:IncomeLossFromEquityMethodInvestmentsAndOtherNonoperatingIncomeExpense
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
wm:IncomeTaxExpenseBenefitIncludingFederalTaxCreditsFromEquityMethodInvestment
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
wm:IntercompanyActivity

wm:InterestAndOtherIncomeExpense
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

wm:PotentiallyIssuableShares

wm:ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAndProceedsFromSalesOfAssetsInvestingActivities

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

us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCosts

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

us-gaap:AccruedLiabilitiesCurrent
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:AdvancesToAffiliate
us-gaap:ConsolidationItems

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:StatementScenario

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

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:DebtAndCapitalLeaseObligations
us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrumentFaceAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrumentFairValue
us-gaap:FairValueByMeasurementBasis

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
us-gaap:DebtInstrument
us-gaap:DebtWeightedAverageInterestRate

us-gaap:DeferredIncomeTaxLiabilitiesNet
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:DueToAffiliateNoncurrent
us-gaap:ConsolidationItems
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:EquityMethodInvestments

us-gaap:ForeignCurrencyExchangeRateTranslation1
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:InvestmentsFairValueDisclosure
us-gaap:DebtInstrument
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:LongTermDebtAndCapitalLeaseObligations
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:OtherReceivablesNetCurrent

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent

us-gaap:RestrictedCashAndInvestmentsNoncurrent

us-gaap:Supplies

us-gaap:TreasuryStockCommonValue

us-gaap:TreasuryStockShares
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssets

wm:AccruedCappingAndEnvironmentalCosts

wm:CurrentAssetsExcludingCashAndCashEquivalents
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

wm:CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

wm:IncreaseDecreaseInDeferredRevenueAndOtherOperatingLiabilities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
wm:InvestmentsInAffiliates
us-gaap:ConsolidationItems

wm:LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

wm:LongTermLiabilitiesExcludingLongTermDebtAndDueToAffiliateNoncurrent
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
wm:ReclassificationFromEquityToAdvanceAffiliates
us-gaap:ConsolidationItems

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock█▁███▁███▁████████630063063063006306306300630630630630630630630630NANANA630NANANA630NANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesOutstanding ▁▁▁▁▁▁▂▂▂▂▂▃▃▃▃▃▃▄▄▄▅▅▅▆▆▆▆▆▆▆▅▅▅▅▅▆▇▇▇▇██422424424423424424427428431433434439441439442441444447446451457458457465465464469468466464463463462460461472474475475478483486NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 426NA427427426NA430432435NA440444444NA445446448NA452458458NA463468466NA471469466NA464464463NA469476477NA481485488NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 424NA424424424NA427429433NA437441441NA442444446NA449455458NA460465465NA469467465NA464463462NA468474475NA477482485NANANANA
us-gaap:EarningsPerShareBasic ▅▆▆▆▅▆▆▆▆█▆▅▅▅▅▅▅▅▅▅▃▆▅▅▅▁▅▅▄▅▅▅▄▅▅▅▄▅▅▅▄▅▅▅▄0.851.051.170.90.821.251.161.160.912.080.880.820.680.760.680.650.580.610.750.6-0.281.290.590.450.49-1.290.620.520.360.480.460.450.370.580.580.50.390.590.510.510.370.650.560.50.31
us-gaap:EarningsPerShareDiluted ▅▆▆▆▅▆▆▆▆█▆▅▅▅▅▅▅▅▅▅▃▆▅▅▅▁▅▅▄▅▅▅▄▅▅▅▅▅▅▅▄▅▅▅▄0.851.051.160.890.811.241.161.150.912.060.870.810.670.750.680.640.580.610.740.6-0.281.280.580.450.49-1.290.620.520.360.480.460.450.370.580.580.50.390.590.510.510.370.640.560.50.31
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▇▇██▆▇▇▇▅▆▆▆▅▅▅▅▃▄▄▄▂▅▆▆▅▅▆▅▄▅▅▅▄▅▅▄▃▃▄▃▂▂▂▂▁372938463967394636963842382237393511365237163677344034603548342531763246336033153040343736023561339635003621352633363434346134593295340635223347310331873235315829353006302329522810
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidatedEntities,us-gaap:ConsolidationItems srt:NonGuarantorSubsidiaries,srt:ReportableLegalEntities3729NA401239923696NA38663783NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems us-gaap:OperatingSegments4530NA480447794453NA462445374226NA446544164112NA42394091378238603981393435754040423842033976412842834172392440604083NANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService us-gaap:OperatingSegments,wm:Collection2518NA262625732455NA248624412307NA235123262235NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService us-gaap:OperatingSegments,wm:Commercial1063NA106910521026NA1007986955NA936917911NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService us-gaap:OperatingSegments,wm:Industrial693NA766744680NA723708637NA673654603NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService us-gaap:OperatingSegments,wm:LandfillLineOfBusiness887NA9931023864NA926915805NA884864739NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService us-gaap:OperatingSegments,wm:OtherLinesOfBusiness430NA469445431NA430439427NA443437400NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService us-gaap:OperatingSegments,wm:Residential650NA661655640NA639632614NA635632621NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService us-gaap:OperatingSegments,wm:Transfer441NA471474412NA445437375NA412414366NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:AllOtherSegments554NA589580588NA629613607NA662657603NA608572500513549525478527566NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,wm:OperatingGroup4530NA480447794453NA462445374226NA446544164112NA42394091378238603981393435754040423842033976412842834172392440604083NANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,wm:SolidWaste3976NA421541993865NA399539243619NA380337593509NA3631NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,wm:TierOne1503NA161016081486NA150614851373NA143214171340NA1364131612412493886873831865895885850855898891843839854NANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,wm:TierThree1541NA189118881736NA181817761633NA171116911327NA1382134712602358869873798870910911847915940871826890862NANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,wm:TierTwo932NA714703643NA671663613NA660651842NA885856781-15041677166314681602166216501502161116701641151615751596NANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments us-gaap:AllOtherSegments525NA556550557NA584557553NA598601555NA558526460484517501456506550NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments wm:OperatingGroup3729NA396739463696NA382237393511NA371636773440NA3548342531763246336033153040343736023561339635003621352633363434346134593295340635223347NANANANANANANANANA
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities 765NANANA890NANANA809NANANA722NANANANANANANANANANANANA597736545577577574669475732659478600622677480496NANANANA
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us-gaap:NetCashProvidedByUsedInInvestingActivities -503000000.0NANANA-800000000.0NANANA-637000000.0NANANA-337000000.0NANANANANANANANANANANANA-468000000.0-739000000.0-272000000.0-421000000.0-469000000.0-458000000.0-400000000.0-503000000.0-650000000.0-711000000.0-362000000.0-462000000.0-431000000.0-352000000.0-388000000.0-435000000.0NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities -668NANANA42NANANA-38NANANA-385NANANANANANANANANANANANA-2286-424-41-31143-220-42-107-34-422-3-204-946208-331NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
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us-gaap:PaymentsForRepurchaseOfCommonStock 402NANANA68NANANA250NANANANA22502502500300NANA0NANANANANANANANANANANA473601056358157166120NANANANA
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
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Common Stock Value

Common Stock Par Or Stated Value Per Share

Shares Outstanding

us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value630063063063006306306300630630630630630630630630630630
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value-2080-206-206-2050-203-201-1980-196-190-188-190-188-188-185-183-171-165
Percentage of SharesOutstanding-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

Shares Issued

Common Stock Shares Issued

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value422424424423424424427428431433434439441439442441444447446451457458457465465464469468466464463463462460461472474475475478483486490
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value426427427426430432435440444444445446448452458458463468466471469466464464463469476477481485488
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value424424424424427429433437441441442444446449455458460465465469467465464463462468474475477482485
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value0.851.051.170.90.821.251.161.160.912.080.880.820.680.760.680.650.580.610.750.6-0.281.290.590.450.49-1.290.620.520.360.480.460.450.370.580.580.50.390.590.510.510.370.650.560.50.31
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value0.851.051.160.890.811.241.161.150.912.060.870.810.670.750.680.640.580.610.740.6-0.281.280.580.450.49-1.290.620.520.360.480.460.450.370.580.580.50.390.590.510.510.370.640.560.50.31
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value372938463967394636963842382237393511365237163677344034603548342531763246336033153040343736023561339635003621352633363434346134593295340635223347310331873235315829353006302329522810
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value372940123992369638663783
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0101.1101.2100.0101.2101.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0101.1101.2100.0101.2101.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-801-837-833-757-802-798-715-749-739-672-691-666-606-614-621-619-535-603-636-642-580-628-662-646-588-626-622
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.5-21.1-21.1-20.5-21.0-21.3-20.4-20.2-20.1-19.5-19.5-19.4-19.1-18.9-18.5-18.7-17.6-17.5-17.7-18.0-17.1-17.9-18.3-18.3-17.6-18.2-18.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.5-21.1-21.1-20.5-21.0-21.3-20.4-20.2-20.1-19.5-19.5-19.4-19.1-18.9-18.5-18.7-17.6-17.5-17.7-18.0-17.1-17.9-18.3-18.3-17.6-18.2-18.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value453048044779445346244537422644654416411242394091378238603981393435754040423842033976412842834172392440604083
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax121.5121.1121.1120.5121.0121.3120.4120.2120.1119.5119.5119.4119.1118.9118.5118.7117.6117.5117.7118.0117.1117.9118.3118.3117.6118.2118.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax121.5121.1121.1120.5121.0121.3120.4120.2120.1119.5119.5119.4119.1118.9118.5118.7117.6117.5117.7118.0117.1117.9118.3118.3117.6118.2118.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:ProductOrService

us-gaap:OperatingSegments, wm:Collection



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value2518262625732455248624412307235123262235
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax67.566.265.266.465.065.365.763.363.365.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax67.566.265.266.465.065.365.763.363.365.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:Collection100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:Commercial



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value10631069105210261007986955936917911
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.526.926.727.826.326.427.225.224.926.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.526.926.727.826.326.427.225.224.926.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:Commercial100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:Industrial



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value693766744680723708637673654603
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.619.318.918.418.918.918.118.117.817.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.619.318.918.418.918.918.118.117.817.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:Industrial100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:LandfillLineOfBusiness



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value8879931023864926915805884864739
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.825.025.923.424.224.522.923.823.521.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.825.025.923.424.224.522.923.823.521.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:LandfillLineOfBusiness100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:OtherCollection



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value112130122109117115101107123100
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.03.33.12.93.13.12.92.93.32.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.03.33.12.93.13.12.92.93.32.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:OtherCollection100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:OtherLinesOfBusiness



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value430469445431430439427443437400
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.511.811.311.711.311.712.211.911.911.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.511.811.311.711.311.712.211.911.911.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:OtherLinesOfBusiness100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:Recycling



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value254245264291337305312375375372
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.86.26.77.98.88.28.910.110.210.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.86.26.77.98.88.28.910.110.210.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:Recycling100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:Residential



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value650661655640639632614635632621
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.416.716.617.316.716.917.517.117.218.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.416.716.617.316.716.917.517.117.218.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:Residential100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:Transfer



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value441471474412445437375412414366
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.811.912.011.111.611.710.711.111.310.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.811.912.011.111.611.710.711.111.310.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:Transfer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IntersegmentElimination, us-gaap:AllOtherSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-29-33-30-31-45-56-54-64-56-48-50-46-40-29-32-24-22-21-16
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.8-0.8-0.8-0.8-1.2-1.5-1.5-1.7-1.5-1.4-1.4-1.3-1.3-0.9-1.0-0.7-0.7-0.6-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.8-0.8-0.8-0.8-1.2-1.5-1.5-1.7-1.5-1.4-1.4-1.3-1.3-0.9-1.0-0.7-0.7-0.6-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, wm:OperatingGroup



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-801-837-833-757-802-798-715-749-739-672-691-666-606-614-621-619-535-603-636-642-580-628-662-646-588-626-622
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.5-21.1-21.1-20.5-21.0-21.3-20.4-20.2-20.1-19.5-19.5-19.4-19.1-18.9-18.5-18.7-17.6-17.5-17.7-18.0-17.1-17.9-18.3-18.3-17.6-18.2-18.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.5-21.1-21.1-20.5-21.0-21.3-20.4-20.2-20.1-19.5-19.5-19.4-19.1-18.9-18.5-18.7-17.6-17.5-17.7-18.0-17.1-17.9-18.3-18.3-17.6-18.2-18.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination wm:OperatingGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, wm:SolidWaste



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-772-804-803-726-757-742-661-685-683-624-641-620
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-20.7-20.3-20.3-19.6-19.8-19.8-18.8-18.4-18.6-18.1-18.1-18.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-20.7-20.3-20.3-19.6-19.8-19.8-18.8-18.4-18.6-18.1-18.1-18.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination wm:SolidWaste100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, wm:TierOne



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-280-300-298-271-277-269-241-258-258-238-238-229-212-442-144-142-128-132-138-138-129-136-140-144-133-135-138
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.5-7.6-7.6-7.3-7.2-7.2-6.9-6.9-7.0-6.9-6.7-6.7-6.7-13.6-4.3-4.3-4.2-3.8-3.8-3.9-3.8-3.9-3.9-4.1-4.0-3.9-4.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.5-7.6-7.6-7.3-7.2-7.2-6.9-6.9-7.0-6.9-6.7-6.7-6.7-13.6-4.3-4.3-4.2-3.8-3.8-3.9-3.8-3.9-3.9-4.1-4.0-3.9-4.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination wm:TierOne100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, wm:TierThree



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-294-369-371-334-353-350-309-313-311-233-241-233-212-403-137-147-126-140-147-151-135-145-157-139-128-142-137
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.9-9.3-9.4-9.0-9.2-9.4-8.8-8.4-8.5-6.8-6.8-6.8-6.7-12.4-4.1-4.4-4.1-4.1-4.1-4.2-4.0-4.1-4.3-3.9-3.8-4.1-4.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.9-9.3-9.4-9.0-9.2-9.4-8.8-8.4-8.5-6.8-6.8-6.8-6.7-12.4-4.1-4.4-4.1-4.1-4.1-4.2-4.0-4.1-4.3-3.9-3.8-4.1-4.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination wm:TierThree100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, wm:TierTwo



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-198-135-134-121-127-123-111-114-114-153-162-158-142260-308-306-259-288-307-310-268-303-311-313-275-291-290
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.3-3.4-3.4-3.3-3.3-3.3-3.2-3.1-3.1-4.4-4.6-4.6-4.58.0-9.2-9.2-8.5-8.4-8.5-8.7-7.9-8.7-8.6-8.9-8.2-8.5-8.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.3-3.4-3.4-3.3-3.3-3.3-3.2-3.1-3.1-4.4-4.6-4.6-4.58.0-9.2-9.2-8.5-8.4-8.5-8.7-7.9-8.7-8.6-8.9-8.2-8.5-8.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination wm:TierTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:AllOtherSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value554589580588629613607662657603608572500513549525478527566
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.914.814.715.916.516.417.317.817.917.517.116.715.715.816.315.815.715.315.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.914.814.715.916.516.417.317.817.917.517.116.715.715.816.315.815.715.315.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:OperatingGroup



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value453048044779445346244537422644654416411242394091378238603981393435754040423842033976412842834172392440604083
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax121.5121.1121.1120.5121.0121.3120.4120.2120.1119.5119.5119.4119.1118.9118.5118.7117.6117.5117.7118.0117.1117.9118.3118.3117.6118.2118.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax121.5121.1121.1120.5121.0121.3120.4120.2120.1119.5119.5119.4119.1118.9118.5118.7117.6117.5117.7118.0117.1117.9118.3118.3117.6118.2118.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:OperatingGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:SolidWaste



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value39764215419938653995392436193803375935093631
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax106.6106.3106.4104.6104.5104.9103.1102.3102.2102.0102.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax106.6106.3106.4104.6104.5104.9103.1102.3102.2102.0102.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:SolidWaste100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:TierOne



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value15031610160814861506148513731432141713401364131612412493886873831865895885850855898891843839854
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.340.640.840.239.439.739.138.538.539.038.438.439.176.826.426.327.325.224.824.925.024.424.825.325.324.424.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.340.640.840.239.439.739.138.538.539.038.438.439.176.826.426.327.325.224.824.925.024.424.825.325.324.424.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:TierOne100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:TierThree



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value15411891188817361818177616331711169113271382134712602358869873798870910911847915940871826890862
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax41.347.747.847.047.647.546.546.046.038.639.039.339.772.625.926.326.225.325.325.624.926.126.024.724.825.924.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax41.347.747.847.047.647.546.546.046.038.639.039.339.772.625.926.326.225.325.325.624.926.126.024.724.825.924.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:TierThree100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wm:TierTwo



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value932714703643671663613660651842885856781-15041677166314681602166216501502161116701641151615751596
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.018.017.817.417.617.717.517.817.724.524.925.024.6-46.349.950.248.346.646.146.344.246.046.146.545.445.946.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.018.017.817.417.617.717.517.817.724.524.925.024.6-46.349.950.248.346.646.146.344.246.046.146.545.445.946.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wm:TierTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

us-gaap:AllOtherSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value525556550557584557553598601555558526460484517501456506550
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.114.013.915.115.314.915.816.116.316.115.715.414.514.915.415.115.014.715.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.114.013.915.115.314.915.816.116.316.115.715.414.514.915.415.115.014.715.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:OperatingGroup



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value37293967394636963822373935113716367734403548342531763246336033153040343736023561339635003621352633363434346134593295340635223347
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:OperatingGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:SolidWaste



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value32043411339631393238318229583118307628852990
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.986.086.184.984.785.184.283.983.783.984.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.986.086.184.984.785.184.283.983.783.984.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:SolidWaste100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:TierOne



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value12231310131012151229121611321174115911021126108710292051742731703733757747721719758747710704716719710
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.833.033.232.932.232.532.231.631.532.031.731.732.463.222.122.123.121.321.021.021.220.520.921.221.320.520.720.821.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.833.033.232.932.232.532.231.631.532.031.731.732.463.222.122.123.121.321.021.021.220.520.921.221.320.520.720.821.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:TierOne100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:TierThree



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value12471522151714021465142613241398138010941141111410481955732726672730763760712770783732698748725725692
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.438.438.437.938.338.137.737.637.531.832.232.533.060.221.821.922.121.221.221.321.022.021.620.820.921.820.921.021.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.438.438.437.938.338.137.737.637.531.832.232.533.060.221.821.922.121.221.221.321.022.021.620.820.921.820.921.021.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:TierThree100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:TierTwo



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value734579569522544540502546537689723698639-1244136913571209131413551340123413081359132812411284130613181269
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.714.614.414.114.214.414.314.714.620.020.420.420.1-38.340.740.939.838.237.637.636.337.437.537.737.237.437.738.138.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.714.614.414.114.214.414.314.714.620.020.420.420.1-38.340.740.939.838.237.637.636.337.437.537.737.237.437.738.138.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:TierTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value372938463967394636963842382237393511365237163677344034603548342531763246336033153040343736023561339635003621352633363434346134593295340635223347310331873235315829353006302329522810
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Sales Revenue Goods Net

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value23292441244322982373231321842302229021662147221621301993202720952163194621702299230122322267232523112209222422292260216622612140
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax62.561.561.962.262.161.962.261.962.363.062.162.562.262.862.462.465.264.063.163.864.665.764.864.265.566.264.864.465.365.764.263.9

Cost Of Goods Sold

Cost Of Services

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value425386391409345365373356353390378330340362343330322348376377353375376349353390356335374407407380382382396369345351
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.49.79.911.19.09.810.69.69.611.310.99.39.911.410.69.89.711.410.910.59.911.010.79.610.011.710.49.710.812.411.910.811.412.312.411.410.912.0

Interest Expense

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:InterestExpense

wm:InvestmentsQualifyingForFederalTaxCredits



Period End2020-03-312019-03-31
Value32
Percentage of InterestExpense100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:InvestmentsQualifyingForFederalTaxCredits0.00.0

Operating Expenses

Operating Costs And Expenses

Costs And Expenses

us-gaap:CostsAndExpenses



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value31563233325030753123302429033015300428822843298828142668274427592813260026853056302929273910304430162934295029612993289428542979284126762613269125722523
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax84.681.582.483.281.780.982.781.181.783.882.284.282.284.084.582.184.985.578.184.885.186.2111.784.185.587.985.985.686.587.883.884.684.986.282.083.281.486.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value315632333250307531233024
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax84.681.582.483.281.780.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities84.680.681.483.280.879.9

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value425386391409345365373356353390378330340362343330322348376377353375376349353390356335374407407380382382396369345351
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.49.79.911.19.09.810.69.69.611.310.99.39.911.410.69.89.711.410.910.59.911.010.79.610.011.710.49.710.812.411.910.811.412.312.411.410.912.0

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value573655734696621767699715608704701673558617560611508502601502440752546532469-410577510402484500466401552543506427574544586412456525534372
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.417.018.517.616.820.018.319.117.319.318.918.316.217.815.817.816.015.517.915.114.521.915.214.913.8-11.715.914.512.114.114.413.512.216.215.415.113.818.016.818.614.015.217.418.113.2

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value573779742621743759
Percentage of OperatingIncomeLoss100.0106.1106.6100.0106.3106.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.419.618.816.819.420.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities15.419.418.616.819.220.1

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-247-166-165-194-135-129-147-136-142-160-146-138-123-143-142-118-119-143-190-240
Percentage of OperatingIncomeLoss-43.1-22.6-23.7-31.2-19.3-18.0-24.2-19.4-21.1-28.7-23.7-24.6-20.1-28.1-28.3-19.6-23.7-32.5-25.3-44.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.6-4.2-4.2-5.2-3.5-3.5-4.2-3.7-3.9-4.7-4.2-3.9-3.6-4.5-4.4-3.5-3.6-4.7-5.5-6.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementBusinessSegments

us-gaap:AllOtherSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-25-36-60-28-1513-23-16-18-32-14-30-20-36-112-8-17-23-343-10
Percentage of OperatingIncomeLoss-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 RevenueFromContractWithCustomerExcludingAssessedTax-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:AllOtherSegments-4.8-6.5-10.9-5.0-2.62.3-4.2-2.7-3.0-5.80.0-5.4-3.8-7.8-23.1-1.5-3.4-5.0-67.8-1.8

wm:OperatingGroup



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value820900861815834844755837815718763698734651644719621583942786698642-217727654582636647619594697686653
Percentage of OperatingIncomeLoss143.1122.6123.7131.2119.3118.0124.2119.4121.1128.7123.7124.6120.1128.1128.3119.6123.7132.5125.3144.0131.2136.952.9126.0128.2144.8131.4129.4132.8148.1126.3126.3129.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.022.721.822.121.822.621.522.522.220.922.119.721.420.519.821.418.719.227.421.819.618.9-6.220.118.517.418.518.717.918.020.519.519.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:OperatingGroup22.022.721.822.121.822.621.522.522.220.90.019.721.420.519.821.418.719.227.421.819.618.9-6.220.118.517.418.518.717.918.020.519.519.5

wm:SolidWaste



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value845936921843849831778853833750728754
Percentage of OperatingIncomeLoss147.5127.5132.3135.7121.5116.2128.0121.7123.8134.4130.0123.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.723.623.322.822.222.222.223.022.721.820.522.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:SolidWaste26.427.427.126.926.226.126.327.427.126.024.30.0

wm:TierOne



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value393432432394416395365398395366365369362334638226215211222230223218200224221207210213219209
Percentage of OperatingIncomeLoss68.658.962.163.459.555.260.056.858.765.659.265.959.265.7127.137.642.848.029.542.141.946.5-48.838.843.351.543.442.647.052.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.510.910.910.710.910.610.410.710.710.610.510.410.610.519.76.76.56.96.56.46.36.45.76.26.36.26.16.26.36.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:TierOne32.133.033.032.433.832.532.233.934.133.20.032.833.332.531.130.529.430.030.330.429.930.227.829.629.629.229.829.730.529.4

wm:TierThree



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value264351341313291295291275296227231238235208411151120126146169149124-97148131109134126129115
Percentage of OperatingIncomeLoss46.147.849.050.441.641.347.939.244.040.737.442.538.540.981.925.123.928.619.431.028.026.423.725.625.727.127.725.227.728.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.18.88.68.57.67.98.37.48.16.66.76.76.96.512.74.53.64.14.24.74.23.7-2.84.13.73.33.93.63.73.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:TierThree21.223.122.522.319.920.722.019.721.420.70.020.921.119.821.020.616.518.820.022.119.617.4-12.618.917.915.617.917.417.816.6

wm:TierTwo



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value188153148136142141122180142157181121157145-292350295276350349335284321347325298324328318300
Percentage of OperatingIncomeLoss32.820.821.321.920.319.720.125.721.128.129.321.625.728.5-58.258.258.862.746.563.963.060.6-78.360.163.774.166.965.668.274.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.03.93.83.73.73.83.54.83.94.65.23.44.64.6-9.010.48.99.110.29.79.48.49.29.69.28.99.49.59.29.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:TierTwo25.626.426.026.126.126.124.333.026.422.80.016.722.522.723.525.621.722.826.625.825.023.024.525.524.524.025.225.124.123.6

Interest Expense

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:InterestExpense

wm:InvestmentsQualifyingForFederalTaxCredits



Period End2020-03-312019-03-31
Value32
Percentage of InterestExpense100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wm:InvestmentsQualifyingForFederalTaxCredits0.00.0

Interest And Debt Expense

Other Nonoperating Income Expense

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-76-17252822-23-32463010-23-16661-36-6013-76-44-6140-59-3132-37-32-839-222428-828
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.0-0.40.60.80.6-0.6-0.91.20.80.3-0.7-0.50.21.9-1.1-1.80.4-2.5-1.3-1.71.1-1.7-0.90.9-1.0-1.0-0.21.1-0.60.70.8-2.30.2

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value435615497462597609511603570434510457459396397496389-222599414402336-603452383262349348334272412421381
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.715.512.612.515.616.314.616.215.512.614.712.913.412.512.214.811.7-7.317.411.511.39.9-17.212.510.97.910.210.19.78.312.112.011.4

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value428669525405586587
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest98.4108.8105.687.798.296.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.516.913.311.015.315.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:GuarantorSubsidiaries srt:ReportableLegalEntities0.00.00.00.00.00.0

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value532757719550725735
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest122.3123.1144.7119.0121.4120.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.319.118.214.919.019.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities14.318.918.014.918.819.4

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value336458328326467466
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest77.274.566.070.678.276.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.011.58.38.812.212.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ParentCompany srt:ReportableLegalEntities0.00.00.00.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-861-1269-1075-819-1181-1179
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-197.9-206.3-216.3-177.3-197.8-193.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-23.1-32.0-27.2-22.2-30.9-31.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ConsolidationEliminations0.02820.02337.00.02684.12679.5

Income Loss From Continuing Operations Before Income Taxes Domestic

Income Loss From Continuing Operations Before Income Taxes Foreign

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7412011511599110116215209137176153173140124159116-91113318099-41551278611412511589134136131110160153206110
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.03.02.93.12.62.93.35.85.74.05.14.35.14.43.84.73.5-3.00.03.75.12.9-0.14.33.62.63.33.63.32.73.93.93.93.55.04.76.53.7

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-12-5-1-2-1
Percentage of IncomeTaxExpenseBenefit-1.41.7-4.3-0.9-2.0-0.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.1-0.1-0.0-0.1-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:GuarantorSubsidiaries srt:ReportableLegalEntities0.00.00.00.00.00.0

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value100155173137133144
Percentage of IncomeTaxExpenseBenefit135.1129.2150.4119.1134.3130.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.73.94.43.73.53.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities2.73.94.33.73.43.8

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-25-37-53-21-32-33
Percentage of IncomeTaxExpenseBenefit-33.8-30.8-46.1-18.3-32.3-30.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.7-0.9-1.3-0.6-0.8-0.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ParentCompany srt:ReportableLegalEntities0.00.00.00.00.00.0

Income Taxes Paid Net

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value361447495382347531498499395903388361297334304286256273337273-131598281222237-599297256176235223219183278285250196294258258192331292267170
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.711.612.59.79.413.813.013.311.324.710.49.88.69.78.68.48.18.410.08.2-4.317.47.86.27.0-17.18.27.35.36.86.46.35.68.28.17.56.39.28.08.26.511.09.79.06.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value429667530406588588
Percentage of ProfitLoss118.8134.7138.7117.0118.1117.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.516.813.411.015.415.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:GuarantorSubsidiaries srt:ReportableLegalEntities0.00.00.00.00.00.0

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value432602546413592591
Percentage of ProfitLoss119.7121.6142.9119.0118.9118.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.615.213.811.215.515.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities11.615.013.711.215.315.6

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value361495381347499499
Percentage of ProfitLoss100.0100.099.7100.0100.2100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.712.59.79.413.113.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ParentCompany srt:ReportableLegalEntities0.00.00.00.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-861-1269-1075-819-1181-1179
Percentage of ProfitLoss-238.5-256.4-281.4-236.0-237.1-236.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-23.1-32.0-27.2-22.2-30.9-31.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ConsolidationEliminations0.02820.02337.00.02684.12679.5

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value361495381347499499396362298335302287258273335274-129590270210228-605291244168224214208171266272237186
Percentage of ProfitLoss100.0100.099.7100.0100.2100.0100.3100.3100.3100.399.3100.3100.8100.099.4100.498.598.796.194.696.2101.098.095.395.595.396.095.093.495.795.494.894.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.712.59.79.413.113.311.39.88.79.78.58.48.18.410.08.3-4.217.27.55.96.7-17.38.06.95.06.56.26.05.27.87.77.16.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value278484412381532478365433395312318288296327237278290-202536212256163-620326218135217251165205294157239213327264176208
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.512.210.410.313.912.810.411.710.79.19.28.18.610.37.38.38.7-6.615.65.97.24.8-17.79.06.24.06.37.34.86.28.64.57.16.910.38.25.67.1

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value429667530406588588
Percentage of ComprehensiveIncomeNetOfTax154.3137.8128.6106.6110.5123.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.516.813.411.015.415.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:GuarantorSubsidiaries srt:ReportableLegalEntities0.00.00.00.00.00.0

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value347589574445624568
Percentage of ComprehensiveIncomeNetOfTax124.8121.7139.3116.8117.3118.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.314.814.512.016.315.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities9.314.714.412.016.115.0

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value363497383349501501
Percentage of ComprehensiveIncomeNetOfTax130.6102.793.091.694.2104.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.712.59.79.413.113.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ParentCompany srt:ReportableLegalEntities0.00.00.00.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-861-1269-1075-819-1181-1179
Percentage of ComprehensiveIncomeNetOfTax-309.7-262.2-260.9-215.0-222.0-246.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-23.1-32.0-27.2-22.2-30.9-31.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ConsolidationEliminations0.02820.02337.00.02684.12679.5

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value278484413381531478364435394311317290295325237280289-204544223268172-614332230143228260176217306170252223340278188218
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.512.210.510.313.912.810.411.710.79.09.28.28.610.27.38.38.7-6.715.86.27.55.1-17.59.26.54.36.67.55.16.69.04.87.57.210.78.66.07.4

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value429667530406588588
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest154.3137.8128.3106.6110.7123.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.516.813.411.015.415.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:GuarantorSubsidiaries srt:ReportableLegalEntities0.00.00.00.00.00.0

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value347589575445623568
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest124.8121.7139.2116.8117.3118.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.314.814.612.016.315.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities9.314.714.412.016.115.0

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value363497383349501501
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest130.6102.792.791.694.4104.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.712.59.79.413.113.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ParentCompany srt:ReportableLegalEntities0.00.00.00.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-861-1269-1075-819-1181-1179
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest-309.7-262.2-260.3-215.0-222.4-246.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-23.1-32.0-27.2-22.2-30.9-31.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ConsolidationEliminations0.02820.02337.00.02684.12679.5

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value361447495381347531499499396903386362298335302287258273335274-129210228-605291244168224214208171266272237186281244246182315277247155
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.711.612.59.79.413.813.113.311.324.710.49.88.79.78.58.48.18.410.08.3-4.25.96.7-17.38.06.95.06.56.26.05.27.87.77.16.08.87.57.86.210.59.28.45.5

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value429667530406588588
Percentage of NetIncomeLoss118.8134.7139.1117.0117.8117.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.516.813.411.015.415.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:GuarantorSubsidiaries srt:ReportableLegalEntities0.00.00.00.00.00.0

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value432602545413593591
Percentage of NetIncomeLoss119.7121.6143.0119.0118.8118.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.615.213.811.215.515.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities11.615.013.711.215.315.6

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value361495381347499499
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.712.59.79.413.113.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ParentCompany srt:ReportableLegalEntities0.00.00.00.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-861-1269-1075-819-1181-1179
Percentage of NetIncomeLoss-238.5-256.4-282.2-236.0-236.7-236.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-23.1-32.0-27.2-22.2-30.9-31.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ConsolidationEliminations0.02820.02337.00.02684.12679.5

Net Income Loss Available To Common Stockholders Basic

Net Income Loss Attributable To Noncontrolling Interest

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value27178277432710925986233732265022591220142210621829209492083920650208592075620752207812041920402205782069121412222112217922442226032361323012231552309723073226912253522569220522158321648214762115420227
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-312018-12-31
Value109109103
Percentage of Assets0.40.40.5
Percentage of Assets0.40.40.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2703526687263812616625133
Percentage of Assets99.596.297.3100.7111.0
Percentage of Assets99.596.297.3100.7111.0
Percentage of Assets srt:GuarantorSubsidiaries srt:ReportableLegalEntities100.0100.0100.0100.0100.0

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value4276343283421554141439862
Percentage of Assets157.3156.0155.5159.4176.0
Percentage of Assets157.3156.0155.5159.4176.0
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities100.0100.0100.0100.0100.0

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2970629714288562794524686
Percentage of Assets109.3107.1106.4107.5109.0
Percentage of Assets109.3107.1106.4107.5109.0
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value-72326-71941-70283-69539-67031
Percentage of Assets-266.1-259.3-259.3-267.6-295.9
Percentage of Assets-266.1-259.3-259.3-267.6-295.9
Percentage of Assets srt:ConsolidationEliminations100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value204332067320322195191695616374163501595816041157871564915332151121553915373155241547115052151451517115116155231654816032164031660116598161941643916422164611620416054161791576714960150161488514563
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets75.274.575.075.172.572.372.472.572.672.374.773.673.274.574.174.874.473.774.273.773.172.574.572.373.173.470.370.471.071.171.371.471.271.771.569.369.469.368.8

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value388469443522459
Percentage of Liabilities1.92.32.22.72.8
Percentage of Assets1.41.71.62.02.0
Percentage of Assets srt:GuarantorSubsidiaries srt:ReportableLegalEntities1.41.81.72.01.8

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1603716903160811555515048
Percentage of Liabilities78.581.879.179.791.9
Percentage of Assets59.060.959.359.966.4
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities37.539.138.137.637.8

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2967229991287802818825120
Percentage of Liabilities145.2145.1141.6144.4153.4
Percentage of Assets109.2108.1106.2108.5110.9
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities99.9100.999.7100.9101.8

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value-25664-26690-24982-24746-24253
Percentage of Liabilities-125.6-129.1-122.9-126.8-148.1
Percentage of Assets-94.4-96.2-92.2-95.2-107.1
Percentage of Assets srt:ConsolidationEliminations35.537.135.535.636.2

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value271782774327109259862337322650225912201422106218292094920839206502085920756207522078120419204022057820691214122221122179224422260323613230122315523097230732269122535225692205221583216482147621154
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2703526687263812616625133
Percentage of LiabilitiesAndStockholdersEquity99.596.297.3100.7111.0
Percentage of Assets99.596.297.3100.7111.0
Percentage of Assets srt:GuarantorSubsidiaries srt:ReportableLegalEntities100.0100.0100.0100.0100.0

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value4276343283421554141439862
Percentage of LiabilitiesAndStockholdersEquity157.3156.0155.5159.4176.0
Percentage of Assets157.3156.0155.5159.4176.0
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities100.0100.0100.0100.0100.0

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2970629714288562794524686
Percentage of LiabilitiesAndStockholdersEquity109.3107.1106.4107.5109.0
Percentage of Assets109.3107.1106.4107.5109.0
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value-72326-71941-70283-69539-67031
Percentage of LiabilitiesAndStockholdersEquity-266.1-259.3-259.3-267.6-295.9
Percentage of Assets-266.1-259.3-259.3-267.6-295.9
Percentage of Assets srt:ConsolidationEliminations100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value674370686785646664156275623960546044601952785486551752975359520852905345523553865554586653645853573757076708650963956354628861686159607059486291629862606285
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.825.525.024.927.427.727.627.527.327.625.226.326.725.425.825.125.526.225.726.226.827.424.226.425.625.228.428.327.627.527.327.227.326.927.029.129.129.129.7

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2664726218259382564424674
Percentage of StockholdersEquity395.2370.9382.3396.6393.2
Percentage of Assets98.094.595.798.7108.9
Percentage of Assets srt:GuarantorSubsidiaries srt:ReportableLegalEntities98.698.298.398.098.2

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2702426676263692615225099
Percentage of StockholdersEquity400.8377.4388.6404.5400.0
Percentage of Assets99.496.297.3100.6110.8
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities63.261.662.663.163.0

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value67437068678564666275
Percentage of StockholdersEquity100.0100.0100.0100.0100.0
Percentage of Assets24.825.525.024.927.7
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities22.723.823.523.125.4

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value-53671-52894-52307-51796-49773
Percentage of StockholdersEquity-796.0-748.4-770.9-801.1-793.2
Percentage of Assets-197.5-190.7-193.0-199.3-219.7
Percentage of Assets srt:ConsolidationEliminations74.273.574.474.574.3

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value563562095560483624882645267524712491262423002326222323762293227623022345239925532617364141162355253524992417240424972423265924542285237924192374254824823010
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.722.420.518.610.611.711.811.211.312.011.011.210.811.411.011.011.111.511.812.412.617.018.510.611.311.110.210.410.810.511.510.810.110.511.011.011.811.614.2

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value44465
Percentage of AssetsCurrent0.10.10.10.10.2
Percentage of Assets0.00.00.00.00.0
Percentage of Assets srt:GuarantorSubsidiaries srt:ReportableLegalEntities0.00.00.00.00.0

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value25802718269126282638
Percentage of AssetsCurrent45.843.848.454.399.7
Percentage of Assets9.59.89.910.111.6
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities6.06.36.46.36.6

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value30513487291122942
Percentage of AssetsCurrent54.156.252.447.40.1
Percentage of Assets11.212.610.78.80.0
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities10.311.710.18.20.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value31253561291522505761834752223532303230391043911327327713071831373395815715430719439823718925828237167653955011698711140480348
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.512.810.88.70.20.30.40.20.20.10.20.20.10.20.10.20.50.20.61.31.36.10.80.61.50.30.70.71.30.81.71.00.81.11.31.73.12.50.00.00.05.42.40.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value7676525061
Percentage of CashAndCashEquivalentsAtCarryingValue2.42.11.82.2100.0
Percentage of Assets0.30.30.20.20.3
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.20.20.10.10.2

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-30
Value3049348528632200
Percentage of CashAndCashEquivalentsAtCarryingValue97.697.998.297.8
Percentage of Assets11.212.610.68.5
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities10.311.79.97.9

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value184619492010201718301931194318381700180517901772163417001716165015321549157015781489158716431710166116991751173016581737176016941580163116861609146415101408
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.87.07.47.87.88.58.68.37.78.38.58.57.98.18.38.07.47.67.77.77.27.47.47.77.47.57.47.57.27.57.67.57.07.27.67.56.87.06.7

Other Assets Current

us-gaap:OtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value226223256222245207147135137132164121126122130121118120113143153176123149175163138143150140159166153115153114137117117
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.90.91.00.90.70.60.60.60.80.60.60.60.60.60.60.60.60.70.70.80.60.70.80.70.60.60.60.60.70.70.70.50.70.50.60.50.6

Land

Machinery And Equipment Gross

Property Plant And Equipment Gross

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value187631865718499186191835518264181741805017860177041782617572172841715217003168201659716420163851620316030159681603616998168741672316805165401632116112160051573515545153081510714957147131469013994
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets69.067.268.271.778.580.680.482.080.881.185.184.383.782.281.981.179.980.480.378.777.574.672.276.675.274.071.271.970.569.869.469.369.067.868.569.368.068.466.2

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value12900128931280512665123901194211815116251163711559111361100210929109501084210841107961066510659106651067910657108491203112170123441262112469125121265112518123601229912242119111191911855118681154111402
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.546.547.248.753.052.752.352.852.653.053.252.852.952.552.252.252.052.252.251.851.649.848.854.254.254.653.454.254.054.854.354.554.654.254.055.254.855.354.656.4

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1290012893128051266511942
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0
Percentage of Assets47.546.547.248.752.7
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities30.229.830.430.630.0

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value45148349433333440641925426626928728929532032632137136040800591656653658667652656646637471
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.71.81.31.41.81.91.21.21.21.41.41.41.51.61.51.81.81.90.00.02.62.82.82.82.92.82.92.92.82.2

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value6498653265506512647964306390634663276247626762486223621562276230621559845886588058555740576660946068607065936391639962916259623762346215610457935771572656325462
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.923.524.225.127.728.428.328.828.628.629.930.030.129.830.030.029.929.328.928.628.326.826.027.527.026.927.927.827.627.227.127.527.727.527.726.826.726.726.627.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value494521543547570572554553597547561573572591617632645477495512564440464493503529569411424397405416450457397310318295238
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.92.02.12.42.52.52.52.72.52.72.72.82.83.03.03.12.32.42.52.72.12.12.22.22.32.41.81.81.71.81.82.02.01.81.41.51.41.1

Finite Lived Intangible Assets Net

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8147928217397463593443463662643984014084074514524525885895785795265737877647477576846656685805686216391221118711561105733
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.02.93.02.83.21.61.51.61.71.21.91.92.02.02.22.22.22.92.92.82.82.52.63.53.43.33.23.02.92.92.52.52.82.85.55.55.35.13.5

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value307031442989284636123108307033053373326232592770255827942664280625602510244224772273348537892980335730142862302231883036318731873047306825272295236324852901
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.311.311.011.015.513.713.615.015.314.915.613.312.413.412.813.512.312.312.012.011.016.317.113.415.013.312.113.113.813.113.814.013.513.611.510.610.911.613.7

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value37799
Percentage of LiabilitiesCurrent0.10.20.20.30.3
Percentage of Assets0.00.00.00.00.0
Percentage of Assets srt:GuarantorSubsidiaries srt:ReportableLegalEntities0.00.00.00.00.0

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value28043017290128372759
Percentage of LiabilitiesCurrent91.396.097.199.788.8
Percentage of Assets10.310.910.710.912.2
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities6.67.06.96.96.9

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value26312012792340
Percentage of LiabilitiesCurrent8.63.84.23.210.9
Percentage of Assets1.00.40.50.41.5
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities0.90.40.40.31.4

Debt Current

us-gaap:DebtCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value38721821111610434324478281056739850390396417432614524253215196168109011417861216726568776964743826853860631225198285233749
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.40.80.80.44.51.92.03.84.83.44.11.91.92.02.13.02.51.21.11.00.85.15.13.55.43.22.43.44.23.23.63.83.82.81.00.91.31.13.5

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value223203197116174
Percentage of DebtCurrent57.693.193.4100.040.3
Percentage of Assets0.80.70.70.40.8
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.50.50.50.30.4

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302018-12-31
Value1641514258
Percentage of DebtCurrent42.46.96.659.7
Percentage of Assets0.60.10.11.1
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities0.60.10.01.0

us-gaap:DebtInstrument

wm:FinancingLeasesAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value237218211116139
Percentage of DebtCurrent61.2100.0100.0100.013.3
Percentage of Assets0.90.80.80.40.6
Percentage of Assets wm:FinancingLeasesAndOther0.00.00.00.00.0

wm:TaxExemptBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1301121244272106209219181167119
Percentage of DebtCurrent33.651.458.836.26.924.546.826.417.122.614.0
Percentage of Assets0.50.40.50.20.30.50.91.00.80.80.6
Percentage of Assets wm:TaxExemptBonds0.00.00.00.00.00.00.00.00.00.00.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1031106590390889910379408297911040789808720799689620591721671707634740712692663744763696674842787720662838676576546692567
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.83.83.33.53.84.64.23.83.64.83.83.93.53.83.33.02.83.53.33.43.13.53.23.13.03.33.23.02.93.63.43.22.93.73.12.72.53.22.7

Long Term Debt

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:LongTermDebt

wm:InvestmentInLowIncomeHousingProperties, us-gaap:VariableInterestEntityNotPrimaryBeneficiary



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value2562692781471491511562328344057
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.01.00.60.60.70.70.10.10.20.20.3
Percentage of Assets wm:InvestmentInLowIncomeHousingProperties us-gaap:VariableInterestEntityNotPrimaryBeneficiary0.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Liabilities Noncurrent

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value222121222123222121232420202222212123299294302295307309321321324319322320337332334331306
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.11.31.31.31.31.31.31.41.41.41.41.41.41.51.51.51.51.4

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value22211
Percentage of MinorityInterest100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value920912938861858553634625714755716696695695769785795839773783745709679705721727744768792807759728703698710686676662672
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.43.33.53.33.72.42.82.83.23.53.43.33.43.33.73.83.84.13.83.83.63.33.13.23.23.23.23.33.43.53.33.23.13.13.23.23.13.13.2

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value674370686785646664156275623960546044601952785486551752975359520852905345523553865554586653645853573757076708650963956354628861686159607059486291629862606285
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.825.525.024.927.427.727.627.527.327.625.226.326.725.425.825.125.526.225.726.226.827.424.226.425.625.228.428.327.627.527.327.227.326.927.029.129.129.129.7

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2664726218259382564424674
Percentage of StockholdersEquity395.2370.9382.3396.6393.2
Percentage of Assets98.094.595.798.7108.9
Percentage of Assets srt:GuarantorSubsidiaries srt:ReportableLegalEntities98.698.298.398.098.2

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2702426676263692615225099
Percentage of StockholdersEquity400.8377.4388.6404.5400.0
Percentage of Assets99.496.297.3100.6110.8
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities63.261.662.663.163.0

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value67437068678564666275
Percentage of StockholdersEquity100.0100.0100.0100.0100.0
Percentage of Assets24.825.525.024.927.7
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities22.723.823.523.125.4

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value-53671-52894-52307-51796-49773
Percentage of StockholdersEquity-796.0-748.4-770.9-801.1-793.2
Percentage of Assets-197.5-190.7-193.0-199.3-219.7
Percentage of Assets srt:ConsolidationEliminations74.273.574.474.574.3

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value67457070678764676417627662416056606560425300550755385320538352285310536752575407557558895663614760396002701568186716667566126487648163906285662366326591659161856102
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.825.525.024.927.527.727.627.527.427.725.326.426.825.525.925.225.626.325.826.326.927.525.527.726.926.629.729.629.028.928.728.628.828.328.530.730.630.731.230.60.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2664726218259382564424674
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest395.1370.8382.2396.5393.1
Percentage of Assets98.094.595.798.7108.9
Percentage of Assets srt:GuarantorSubsidiaries srt:ReportableLegalEntities98.698.298.398.098.2

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2672626380260742585924814
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest396.2373.1384.2399.9395.4
Percentage of Assets98.395.196.299.5109.6
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities62.560.961.962.462.2

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value34-27776-243-434
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.5-3.91.1-3.8-6.9
Percentage of Assets0.1-1.00.3-0.9-1.9
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities0.1-0.90.3-0.9-1.8

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value-46662-45251-45301-44793-42778
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-691.8-640.0-667.5-692.6-681.6
Percentage of Assets-171.7-163.1-167.1-172.4-188.9
Percentage of Assets srt:ConsolidationEliminations64.562.964.564.463.8

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-312014-12-31
Value-1-1-3-3-3-2-4-4-4-3-6-6-8-10
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-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
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-31
Value-22-24-26-28-32-33-40
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.3-0.3-0.4-0.4-0.5-0.5-0.8
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.2-0.2
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-312014-12-31
Value293836322823261717151513810
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.40.50.50.50.40.40.40.30.30.20.30.20.10.2
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.00.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-91-8-33-22-53-87-16-49-28814-33-66-80-63-49-58-127-91-34-5023771358915416913416019320016320617214425925723020888229
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-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 Assets-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:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-312014-12-31
Value-97-21-40-23-48-76-4-26-32939-47-7584
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-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 Assets-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:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value50265049502649624978499349274935491649334806482848854850487448024795482748054778476645854466462446074596458245694553454945464540454045614553454545364528454345584542
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest74.571.474.176.777.679.678.981.581.181.690.787.788.291.290.591.990.389.991.488.485.577.978.975.276.376.665.367.067.868.168.870.070.171.472.468.668.468.768.973.774.4
Percentage of Assets18.518.218.519.121.322.021.822.422.222.622.923.223.723.323.523.123.123.623.623.223.021.420.120.820.520.319.419.919.719.719.720.020.120.220.621.121.021.121.522.50.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value222121222123222121232420202222212123299294302295307309321321324319322320337332334331306283310
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.30.40.40.40.40.40.40.40.40.40.40.40.40.45.34.85.04.94.44.54.84.84.94.95.05.05.45.05.05.04.64.65.1
Percentage of Assets0.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.11.31.31.31.31.31.31.41.41.41.41.41.41.51.51.51.51.41.40.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value107181059210364100889924979794649166886785887871767174977388723571167012693968406680658268886473637663426289706669486875687968206771672767216613649964246400605356315080
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest158.9149.8152.7156.0154.7156.1151.6151.4146.2142.1148.5139.3135.4138.9134.4136.1132.1129.3130.1123.5118.1117.0114.3103.7105.0104.8100.7101.9102.4103.1103.1104.4103.8105.2105.298.196.997.191.891.083.3
Percentage of Assets39.438.238.238.842.543.341.941.640.139.337.636.836.335.434.934.333.734.033.532.531.832.229.128.728.327.829.930.229.729.829.629.829.929.830.030.129.729.828.627.80.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-8916-8571-8578-8568-8440-8434-8142-8004-7717-7516-7419-6986-6805-6867-6693-6667-6465-6300-6325-6044-5750-5636-5658-5288-5307-5338-5115-5148-5199-5273-5284-5312-5320-5390-5368-5018-4925-4904-4525-4381-4065
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-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-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:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value502650495026496249784993492749354916493348064828488548504874480247954827480547784766458544664624460745964582456945534549454645404540456145534545453645284543
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.518.218.519.121.322.021.822.422.222.622.923.223.723.323.523.123.123.623.623.223.021.420.120.820.520.319.419.919.719.719.720.020.120.220.621.121.021.121.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1071810592103641008899249797946491668867858878717671749773887235711670126939684066806582688864736376634262897066694868756879682067716727672166136499642464006053
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.438.238.238.842.543.341.941.640.139.337.636.836.335.434.934.333.734.033.532.531.832.229.128.728.327.829.930.229.729.829.629.829.929.830.030.129.729.828.6

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value-91-8-33-22-53-87-16-49-28814-33-66-80-63-49-58-127-91-34-5023771358915416913416019320016320617214425925723020888
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-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

Treasury Stock Value

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value222121222123222121232420202222212123299294302295307309321321324319322320337332334331306
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.11.31.31.31.31.31.31.41.41.41.41.41.41.51.51.51.51.4

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value22211
Percentage of MinorityInterest100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-03-312018-03-312017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value765890809722597736545577577574669475732659478600622677480496
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.524.123.021.017.120.315.517.316.816.619.314.421.518.714.319.319.520.915.216.9

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-03-31
Value748890
Percentage of NetCashProvidedByUsedInOperatingActivities97.8100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.124.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities20.124.1

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-31
Value17
Percentage of NetCashProvidedByUsedInOperatingActivities2.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ParentCompany srt:ReportableLegalEntities0.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-03-312018-03-312017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-503000000.0-800000000.0-637000000.0-337000000.0-468000000.0-739000000.0-272000000.0-421000000.0-469000000.0-458000000.0-400000000.0-503000000.0-650000000.0-711000000.0-362000000.0-462000000.0-431000000.0-352000000.0-388000000.0-435000000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-13.5-21.6-18.1-9.8-13.4-20.4-7.7-12.6-13.7-13.2-11.6-15.3-19.1-20.2-10.8-14.9-13.5-10.9-12.3-14.8

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-03-31
Value-503000000.0-800000000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-13.5-21.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities-13.5-21.6

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-03-312018-03-312017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-66842-38-385-2286-424-41-31143-220-42-107-34-422-3-204-946208-331
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-17.91.1-1.1-11.2-6.50.2-12.0-1.2-9.11.2-6.4-1.3-3.1-1.0-12.6-0.1-6.4-29.26.6-11.3

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-03-31
Value-66842
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-17.91.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities-17.91.1

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-03-312018-03-312017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value765890809722597736545577577574669475732659478600622677480496
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.524.123.021.017.120.315.517.316.816.619.314.421.518.714.319.319.520.915.216.9

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-03-31
Value748890
Percentage of NetCashProvidedByUsedInOperatingActivities97.8100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.124.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities20.124.1

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-31
Value17
Percentage of NetCashProvidedByUsedInOperatingActivities2.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ParentCompany srt:ReportableLegalEntities0.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value361447495381347531499499396903386362298335302287258273335274-129210228-605291244168224214208171266272237186281244246182315277247155
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.711.612.59.79.413.813.113.311.324.710.49.88.79.78.58.48.18.410.08.3-4.25.96.7-17.38.06.95.06.56.26.05.27.87.77.16.08.87.57.86.210.59.28.45.5

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value429667530406588588
Percentage of NetIncomeLoss118.8134.7139.1117.0117.8117.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.516.813.411.015.415.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:GuarantorSubsidiaries srt:ReportableLegalEntities0.00.00.00.00.00.0

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value432602545413593591
Percentage of NetIncomeLoss119.7121.6143.0119.0118.8118.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.615.213.811.215.515.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities11.615.013.711.215.315.6

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value361495381347499499
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.712.59.79.413.113.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ParentCompany srt:ReportableLegalEntities0.00.00.00.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-861-1269-1075-819-1181-1179
Percentage of NetIncomeLoss-238.5-256.4-282.2-236.0-236.7-236.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-23.1-32.0-27.2-22.2-30.9-31.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ConsolidationEliminations0.02820.02337.00.02684.12679.5

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value361447495382347531498499395903388361297334304286256273337273-131598281222237-599297256176235223219183278285250196294258258192331292267170
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.711.612.59.79.413.813.013.311.324.710.49.88.69.78.68.48.18.410.08.2-4.317.47.86.27.0-17.18.27.35.36.86.46.35.68.28.17.56.39.28.08.26.511.09.79.06.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value429667530406588588
Percentage of ProfitLoss118.8134.7138.7117.0118.1117.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.516.813.411.015.415.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:GuarantorSubsidiaries srt:ReportableLegalEntities0.00.00.00.00.00.0

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value432602546413592591
Percentage of ProfitLoss119.7121.6142.9119.0118.9118.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.615.213.811.215.515.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities11.615.013.711.215.315.6

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value361495381347499499
Percentage of ProfitLoss100.0100.099.7100.0100.2100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.712.59.79.413.113.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ParentCompany srt:ReportableLegalEntities0.00.00.00.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-861-1269-1075-819-1181-1179
Percentage of ProfitLoss-238.5-256.4-281.4-236.0-237.1-236.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-23.1-32.0-27.2-22.2-30.9-31.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ConsolidationEliminations0.02820.02337.00.02684.12679.5

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value361495381347499499396362298335302287258273335274-129590270210228-605291244168224214208171266272237186
Percentage of ProfitLoss100.0100.099.7100.0100.2100.0100.3100.3100.3100.399.3100.3100.8100.099.4100.498.598.796.194.696.2101.098.095.395.595.396.095.093.495.795.494.894.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.712.59.79.413.113.311.39.88.79.78.58.48.18.410.08.3-4.217.27.55.96.7-17.38.06.95.06.56.26.05.27.87.77.16.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value402404409366376384347350356328313336340312301330322292307329339317327344339323326331323317294317319299277317309291
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-03-312018-03-312017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-503000000.0-800000000.0-637000000.0-337000000.0-468000000.0-739000000.0-272000000.0-421000000.0-469000000.0-458000000.0-400000000.0-503000000.0-650000000.0-711000000.0-362000000.0-462000000.0-431000000.0-352000000.0-388000000.0-435000000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-13.5-21.6-18.1-9.8-13.4-20.4-7.7-12.6-13.7-13.2-11.6-15.3-19.1-20.2-10.8-14.9-13.5-10.9-12.3-14.8

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-03-31
Value-503000000.0-800000000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-13.5-21.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities-13.5-21.6

Payments To Acquire Property Plant And Equipment

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-03-312018-03-312017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-66842-38-385-2286-424-41-31143-220-42-107-34-422-3-204-946208-331
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-17.91.1-1.1-11.2-6.50.2-12.0-1.2-9.11.2-6.4-1.3-3.1-1.0-12.6-0.1-6.4-29.26.6-11.3

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-03-31
Value-66842
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-17.91.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities-17.91.1

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value236223206187194180182181183172172175176172172175174171171171170165164165164156158161162150149152153
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-03-312018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value40268250225025025003000473601056358157166120
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AcceleratedShareRepurchasesDate

wm:AcceleratedShareRepurchaseAgreement



Period End2020-02-292019-05-312018-07-312018-02-282017-08-312017-06-302016-11-30
Value313180200250500250225
Percentage of PaymentsForRepurchaseOfCommonStock0.00.00.00.00.00.00.0

wm:StockActivityUnder10b51Plan



Period End2020-03-312019-02-142019-01-31
Value8944
Percentage of PaymentsForRepurchaseOfCommonStock22.10.00.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

wm:SeniorNotes4.60PercentDueMarch2021



Period End2020-03-31
Value0.046
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations wm:SeniorNotes4.60PercentDueMarch20210.0

us-gaap:Range, us-gaap:DebtInstrument

srt:Maximum, wm:TaxExemptBonds



Period End2020-03-312019-12-312019-09-302019-06-30
Value0.0550.0430.0430.043
Percentage of DebtInstrumentInterestRateStatedPercentage119.60.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Maximum wm:TaxExemptBonds0.00.00.00.0

srt:Minimum, wm:TaxExemptBonds



Period End2020-03-312019-12-312019-09-302019-06-30
Value0.0110.01350.01350.0135
Percentage of DebtInstrumentInterestRateStatedPercentage23.90.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Minimum wm:TaxExemptBonds0.00.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value0.170.1940.2330.2480.1660.1810.2270.3570.3660.317-0.002699999999999980.3370.3760.3540.01310.3230.2960.41-0.120899999999999980.3210.4470.2960.40150.3430.3320.328-0.0054999999999999490.3610.3430.328-0.00390000000000001460.3230.3450.359-0.0127000000000000450.3730.4420.3660.049
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

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

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value13272318362316213019231020251114151311132186015711101788812
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value3237364730202342315183430419426293102979494104
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value18816215714231518343041929394
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents5.84.45.26.1100.0100.0100.0100.0100.0100.0

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-30
Value3049348528632200
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents94.295.694.893.9

us-gaap:AcceleratedShareRepurchasesDate

us-gaap:AcceleratedShareRepurchasesFinalPricePaidPerShare

wm:AcceleratedShareRepurchaseAgreement



Period End2020-03-312019-09-302018-10-312017-08-312017-02-28
Value111.78114.7690.0774.3169.43
Percentage of AcceleratedShareRepurchasesFinalPricePaidPerShare100.0100.0100.0100.0100.0

wm:StockActivityUnder10b51Plan



Period End2020-03-312019-03-312018-05-31
Value99.9694.3583.2
Percentage of AcceleratedShareRepurchasesFinalPricePaidPerShare89.40.00.0

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs



Period End2020-03-312019-03-31
Value1211
Percentage of AllowanceForDoubtfulAccountsReceivableWriteOffs100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value20131131230022211002017888900003
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationAccretionExpense



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value242323232224232222232322212321222220232221212022212120
Percentage of AssetRetirementObligationAccretionExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Landfill



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value24232323222423222223
Percentage of AssetRetirementObligationAccretionExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-03-312018-03-31
Value-410132133
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-03-31
Value26132
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect-6.3100.0

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-31
Value-436
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect106.3

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.5450.51250.51250.51250.4650.4650.4650.4250.4250.4250.40999999999999990.410.410.410.3850.3850.3850.3850.3750.3750.3750.3750.3650.3650.3650.3650.3550.3550.3550.3550.34000000000000010.340.340.340.315000000000000060.3150.3150.315
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-41-15-39365334-4632-1688-8038-33-37-33-15-18262-4-2555453150942-35970241
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value236218217223199200206187194180182181183172172175176171171171170165164493-164-156-158-161-162
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value236218217223199200206187194180182181183172172175176171171171170165164493-164-156-158-161-162
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312018-03-31
Value-4-1
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-31
Value-4
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value21551331111232
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment

wm:RefinedCoalFacility



Period End2020-03-31
Value7
Percentage of EquityMethodInvestmentOtherThanTemporaryImpairment100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value325236855936746214657310434115536655
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-26-14-16-9-9-13-7-8-13-32-12-9-16-7-6-9-15-8-17-14-13-9-15-3-8-8-11-17-11-7-11-7-9-4-5-8-80
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

wm:InvestmentsQualifyingForFederalTaxCredits



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-26-11-12-9-5-6-6-6-9-6-9-7-9-6-9-7-7
Percentage of IncomeLossFromEquityMethodInvestments100.078.675.0100.055.646.285.775.069.218.875.077.856.285.7150.077.846.7

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-19000000.0-9000000.0-7000000.0-10000000.0-7000000.0-12000000.0-9000000.0-16000000.0-7000000.0-10000000.0-9000000.0-15000000.0-8000000.0-6000000.0-14000000.0-13000000.0-9000000.0-15000000.0-3000000.0-8000000.0-8000000.0-11000000.0-17000000.0-11000000.0-7000000.0-11000000.0-7000000.0-9000000.0-4000000.0-6000000.0-9000000.0-5000000.00.0
Percentage of IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:IncomeLossFromSubsidiariesNetOfTax

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value432602545413592591
Percentage of IncomeLossFromSubsidiariesNetOfTax100.0100.0100.0100.0100.0100.0

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value429595530406589588
Percentage of IncomeLossFromSubsidiariesNetOfTax99.398.897.298.399.599.5

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-861-1197-1075-819-1181-1179
Percentage of IncomeLossFromSubsidiariesNetOfTax-199.3-198.8-197.2-198.3-199.5-199.5

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-127-212-183108-1511103445-11110753-41592322849-41-30-1892-881940128-56-3631159-44049122-12
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-123-117-119176-14412334126-109-21-38142-19591243-19-2833-8-24-642104-99-3171-1540536-74-24
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherCurrentAssets



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value1098-58-913-311-72-154246-2110-212-2118519-733-27
Percentage of IncreaseDecreaseInOtherCurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-131-17-2-10-75-12-2219-8-1-11-2-5-423-3-10-79-137-4
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseNonoperatingNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-03-312013-12-312013-09-302013-03-312012-12-312012-09-30
Value-112000000.0-105000000.0-100000000.0-96000000.0-93000000.0-93000000.0-91000000.0-90000000.0-90000000.0-92000000.0-94000000.0-94000000.0-93000000.0-95000000.0-91000000.0-95000000.0-95000000.0-121000000.0-116000000.0-119000000.0-121000000.0-122000000.0-121000000.0
Percentage of InterestIncomeExpenseNonoperatingNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-4000000.0-5000000.0-5000000.0-5000000.0-6000000.0-4000000.0
Percentage of InterestIncomeExpenseNonoperatingNet3.64.85.05.26.54.3

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-15000000.0-8000000.0-9000000.0-11000000.0-9000000.0-11000000.0
Percentage of InterestIncomeExpenseNonoperatingNet13.47.69.011.59.711.8

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-93000000.0-92000000.0-86000000.0-80000000.0-78000000.0-78000000.0
Percentage of InterestIncomeExpenseNonoperatingNet83.087.686.083.383.983.9

us-gaap:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification



Period End2020-03-312020-01-012018-03-31
Value-2-280
Percentage of NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312018-03-31
Value-285
Percentage of NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification100.0106.2

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-94459-1113011-1-21-13211-1101-121-31
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302013-12-31
Value-95-113011-1-2-131
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-03-312018-03-31
Value-8533-33
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax944.4660.03300.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-7628-3210-25-16661-36-6013-81-44-6140-42-31
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax844.4560.03200.01000.0-833.30.0600.06100.03600.03000.00.00.04400.0-2033.30.00.0-3100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-31
Value-1
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax100.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-03-312018-03-31
Value310
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax-300.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-83-11313433-21-31473314-17-14969-36-5716-73-54-5846-65-1535-26-33-737-433428-1152
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-31
Value2
Percentage of OtherComprehensiveIncomeLossNetOfTax-2.4

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302013-12-31
Value-95-113011-1-2-131
Percentage of OtherComprehensiveIncomeLossNetOfTax10.814.73.27.1-17.6-0.011.11.42.83.51.9-5.2-6.7

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-83-11313433-21-313314-17-14969-36-5716-73-54-5846-65-1535-26-33-737
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-7628-3210-23-16661-36-6013-76-44-6140-59-31
Percentage of OtherComprehensiveIncomeLossNetOfTax91.682.4103.271.4135.3114.366.788.4100.0105.381.2104.181.5105.287.090.8206.7

us-gaap:PaymentsForProceedsFromOtherInvestingActivities



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value55-53535-1611360-10-2-2018421829221817151-3-15-3392
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-06-302016-03-31
Value3330281532419
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1394246411011283553781199445361511264883018072242512922248858996410617562
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireProductiveAssets



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value459471400299332377333312317369335296233370307208266447323235266378402351379415313280316367262220255
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-337-29-2043-1913-2-3938-3-2-2101-32-4635-817-31-8-36350-14-3
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3125239776132618246839233917141618603848724551223261567
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1410121011159711996121112613122619181312141514781210811
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-31
Value-2
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-03-312018-03-31
Value-2-1-2
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.00.00.0

us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-31
Value0
Percentage of ReclassificationFromAociCurrentPeriodTax0.0

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2556808654147269387064734324015220291176467997928-9297624226585202662057811115615818071944169
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument

wm:FinancingLeasesAndOther



Period End2020-03-312019-03-31
Value2511
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities100.019.6

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:TreasuryStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1001001
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value37533646522444
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-232820-153219-17
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation-62.252.855.6-32.661.579.2-38.6

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-03-312018-09-302018-03-31
Value3-13-24
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation8.1-1.96.5-3.89.1

us-gaap:TreasuryStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5726165822557
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation154.149.144.4126.142.320.8129.5

us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOtherShares

us-gaap:TreasuryStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1000.01000.01000.01000.0-1000.01000.01000.0
Percentage of StockholdersEquityOtherShares100.0100.0100.0100.0100.0100.0100.0

us-gaap:AcceleratedShareRepurchasesDate

us-gaap:TreasuryStockSharesAcquired

wm:AcceleratedShareRepurchaseAgreement



Period End2020-03-312020-02-292019-09-302019-05-312018-10-312018-07-312018-03-312018-02-282017-08-312017-06-302017-02-282016-11-30
Value020101025202
Percentage of TreasuryStockSharesAcquired100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:StockActivityUnder10b51Plan



Period End2020-03-312019-03-312019-02-082018-05-312018-03-31
Value00010
Percentage of TreasuryStockSharesAcquired112.50.00.00.016.7

us-gaap:StatementEquityComponents

us-gaap:TreasuryStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value301013320203429-5-6-2-9
Percentage of TreasuryStockSharesAcquired460.984.70.00.00.00.0505.2100.90.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStockValueAcquiredCostMethod



Period End2020-03-312019-06-302019-03-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312011-12-312011-09-302011-06-302011-03-31
Value402180642002922582250250250030001121-370-108-68
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:TreasuryStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-12-312011-09-302011-06-302011-03-31
Value40236144641602922582004518050230220030030018001121-370-108-68
Percentage of TreasuryStockValueAcquiredCostMethod100.00.080.0100.080.0100.0100.00.00.080.00.092.088.00.0100.00.00.00.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value222222232222232221110001111332
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:AccountsReceivableAllowanceForCreditLossOther



Period End2020-03-312019-03-31
Value-12
Percentage of AccountsReceivableAllowanceForCreditLossOther100.0100.0

wm:GainLossFromDivestituresAssetImpairmentsAndOtherNoncashPortion



Period End2020-03-312019-03-312018-03-31
Value755-3
Percentage of GainLossFromDivestituresAssetImpairmentsAndOtherNoncashPortion100.0100.0100.0

wm:IncomeLossFromEquityMethodInvestmentsAndOtherNonoperatingIncomeExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value-26-13-15-63-9-13-6-8-13-32-9-59-17
Percentage of IncomeLossFromEquityMethodInvestmentsAndOtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-26-13-14-60-9-13
Percentage of IncomeLossFromEquityMethodInvestmentsAndOtherNonoperatingIncomeExpense100.0100.093.395.2100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

wm:IncomeTaxExpenseBenefitIncludingFederalTaxCreditsFromEquityMethodInvestment

wm:InvestmentsQualifyingForFederalTaxCredits



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value243618151812101414111514
Percentage of IncomeTaxExpenseBenefitIncludingFederalTaxCreditsFromEquityMethodInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

wm:IntercompanyActivity

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-31
Value453
Percentage of IntercompanyActivity100.0

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-31
Value-453
Percentage of IntercompanyActivity-100.0

wm:InterestAndOtherIncomeExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-138-119-199-159-102-106-97-98-103-124-107-103-152-112-105-105-113-662-153-132-130-133-193-125-127-140-135-152-132-129-140-122-125-121-120-133-122
Percentage of InterestAndOtherIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value428669525405586587
Percentage of InterestAndOtherIncomeExpense-310.1-562.2-263.8-254.7-574.5-553.8

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-41-22-23-71-18-24
Percentage of InterestAndOtherIncomeExpense29.718.511.644.717.622.6

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value336503374326511510
Percentage of InterestAndOtherIncomeExpense-243.5-422.7-187.9-205.0-501.0-481.1

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-861-1269-1075-819-1181-1179
Percentage of InterestAndOtherIncomeExpense623.91066.4540.2515.11157.81112.3

wm:PotentiallyIssuableShares



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value66777888890910110111111-11213140121315-11617170171717-11415
Percentage of PotentiallyIssuableShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAndProceedsFromSalesOfAssetsInvestingActivities



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value1212146711811133136591919345310016625393737168146149
Percentage of ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAndProceedsFromSalesOfAssetsInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingencies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value248240239241233237237249251250245243246253213207209229231230235231223224227236239252253264264267273285275281284256299
Percentage of AccrualForEnvironmentalLossContingencies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EnvironmentalExitCostByProperty

wm:EnvironmentalCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312010-12-31
Value248240239241233237237249251251250245243246253213207209229231230235231223224227236239252253264264273284
Percentage of AccrualForEnvironmentalLossContingencies100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EnvironmentalRemediationSite

wm:SanJacintoWastePits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value575656565555555555555446
Percentage of AccrualForEnvironmentalLossContingencies23.023.323.423.223.623.223.222.121.90.021.618.7

us-gaap:EnvironmentalExitCostByProperty

us-gaap:AccrualForEnvironmentalLossContingenciesDiscountRate

wm:EnvironmentalCosts



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value0.00750.01750.020.020.02750.025
Percentage of AccrualForEnvironmentalLossContingenciesDiscountRate100.0100.0100.0100.0100.0100.0

us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-03-312010-12-312009-12-31
Value137165142151158169158158157156163164159147146147142143144144147147125127129130127132131132154156161145148166
Percentage of AccruedCappingClosurePostClosureAndEnvironmentalCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-03-312010-12-312009-12-31
Value199119301917190018661828183218101795177017271712169216751683162216061584160515921568153115351540153215181507148714861459145314371404142514021357
Percentage of AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EnvironmentalExitCostByProperty

us-gaap:AccruedEnvironmentalLossContingenciesCurrent

wm:EnvironmentalCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value272728262626272828282326262831313231414242433735353528293028363738
Percentage of AccruedEnvironmentalLossContingenciesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EnvironmentalExitCostByProperty

us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent

wm:EnvironmentalCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value221213211215207211210221223223227219217218222182175178188189188192194188189192208210222225228227235
Percentage of AccruedEnvironmentalLossContingenciesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11551327135812961158111711711131103198011361075963108510681089980106410951095100811801100103110161069105910691084986111511451060112911531056107411001128
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:AdvancesToAffiliate

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1865519047179301765117258
Percentage of AdvancesToAffiliate100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value-18655-19047-17930-17651-17258
Percentage of AdvancesToAffiliate-100.0-100.0-100.0-100.0-100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value282827283029252422212625242420212625262731303232363340515445373428293124242631
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementScenario

wm:Coronavirus



Period End2020-03-31
Value5
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent17.9

us-gaap:AllowanceForDoubtfulOtherReceivablesCurrent



Period End2020-03-312019-12-31
Value51
Percentage of AllowanceForDoubtfulOtherReceivablesCurrent100.0100.0

us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetRetirementObligation

us-gaap:Landfill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-31
Value18801855182018101791176017531719170116751640163116081576157615561541151815201505148514431429144414211338
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetRetirementObligationCurrent

us-gaap:Landfill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value110138114125132143131130129128140138133119115116110112103102105104889295
Percentage of AssetRetirementObligationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetRetirementObligationsNoncurrent

us-gaap:Landfill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value1770171717061685165916171622158915721547150014931475145714611440143114061417140313801339134113521326
Percentage of AssetRetirementObligationsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-06-302011-12-31
Value35563926331926774674242432592773761711841791741691691672432003243771445172161162277377
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedContractCostNet



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-31
Value163153150149145141139136
Percentage of CapitalizedContractCostNet100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedContractCost

wm:DeferredSalesIncentives



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-31
Value118117115113109109108107
Percentage of CapitalizedContractCostNet72.476.576.775.875.277.377.778.7

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value31173527291822491637082109225
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value497534517526512522512517495503
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtAndCapitalLeaseObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1345213498133581273910366100261001697969957949193459057904293109261953095968981905091069207943510164979710194102261005997701000099001000098009800980096009000920089008900
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument

wm:CanadianSeniorNotes



Period End2020-03-312019-12-312019-09-30
Value500385377
Percentage of DebtAndCapitalLeaseObligations3.72.92.8

wm:FinancingLeasesAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value690710692563486467
Percentage of DebtAndCapitalLeaseObligations5.15.35.24.44.74.7

wm:SeniorNotesAggregate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value996599659965996562226222622262226186618460336033
Percentage of DebtAndCapitalLeaseObligations74.173.874.678.260.062.162.163.562.165.264.664.8

wm:TaxExemptBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value252325232409229423542388231823282332235223392304
Percentage of DebtAndCapitalLeaseObligations18.818.718.018.022.723.823.123.823.424.825.024.7

us-gaap:DebtInstrument

us-gaap:DebtInstrumentFaceAmount

wm:SeniorNotes4.60PercentDueMarch2021



Period End2020-03-31
Value400
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:DebtInstrumentFairValue

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value143001450014600136001070010100101009900101009900990097009700
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value13500135001340012700104001000010000980010000950093009000910091009200940010200
Percentage of DebtInstrumentFairValue94.493.191.893.497.299.099.099.099.096.095.90.00.00.00.00.00.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value818585835052525356
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument

us-gaap:DebtWeightedAverageInterestRate

wm:SeniorNotesAggregate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value0.0390.0390.0390.0390.0430.0430.0430.0430.0430.0430.0460.046
Percentage of DebtWeightedAverageInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:TaxExemptBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value0.0270.0230.0230.0240.0240.02350.0220.0220.0210.020.0190.0180.0250.0270.0280.0290.0290.031
Percentage of DebtWeightedAverageInterestRate69.259.059.061.555.854.751.251.248.846.541.339.10.00.00.00.00.00.0

us-gaap:DeferredIncomeTaxLiabilitiesNet



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value13871407133112891291
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:DueToAffiliateNoncurrent

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value137214188265146
Percentage of DueToAffiliateNoncurrent100.0100.0100.0100.0100.0

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value67097345670967096709
Percentage of DueToAffiliateNoncurrent4897.13432.23568.62531.74595.2

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1881819131180391768017398
Percentage of DueToAffiliateNoncurrent13735.88939.79595.26671.711916.4

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value-25664-26690-24936-24654-24253
Percentage of DueToAffiliateNoncurrent-18732.8-12472.0-13263.8-9303.4-16611.6

us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:EquityMethodInvestments

us-gaap:VariableInterestEntityNotPrimaryBeneficiary



Period End2020-03-312019-12-312018-12-31
Value285309189
Percentage of EquityMethodInvestments100.0100.0100.0

us-gaap:ForeignCurrencyExchangeRateTranslation1



Period End2020-03-312019-12-31
Value0.71090.7698
Percentage of ForeignCurrencyExchangeRateTranslation1100.0100.0

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

us-gaap:InvestmentsFairValueDisclosure

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



Period End2020-03-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value39035025828850494949545246
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value4949494646666655565555545454484847
Percentage of InvestmentsFairValueDisclosure12.614.00.00.017.822.9132.0112.2114.3112.2101.9103.80.0117.40.00.00.0

us-gaap:DebtInstrument

us-gaap:LettersOfCreditOutstandingAmount

wm:CreditFacilityRevolving



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value412412412512572587606603603642777
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:OtherLetterOfCreditFacilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value525532544542542556541503511507508492
Percentage of LettersOfCreditOutstandingAmount127.4129.1132.0105.994.894.789.383.484.779.065.40.0

us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

wm:CreditFacilityRevolving



Period End2020-03-312019-12-312019-11-302019-10-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-05-312018-03-312017-12-312017-09-302016-12-31
Value350035003500275027502750275027502750275022502250225022502250
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtAndCapitalLeaseObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1306513280131471262393239594956989688901875284958667864688938829891690728728883589109039834590239011897895009491899490459173916689738989912593888839888286748124
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value248248248248304
Percentage of LongTermDebtAndCapitalLeaseObligations1.91.91.92.03.2

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value22282296228819631913
Percentage of LongTermDebtAndCapitalLeaseObligations17.117.317.415.619.9

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value105891073610611104127377
Percentage of LongTermDebtAndCapitalLeaseObligations81.080.880.782.576.9

us-gaap:OtherReceivablesNetCurrent



Period End2020-03-312019-12-31
Value322370
Percentage of OtherReceivablesNetCurrent100.0100.0

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value40153118974970707070
Percentage of RestrictedCashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value727174741617327730230420162
Percentage of RestrictedCashAndCashEquivalentsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndInvestmentsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value386313336354366296394419422319105105171167
Percentage of RestrictedCashAndInvestmentsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Supplies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1161061091041051021031009896999695909393929292102109106106166174178178171177174155147153153142137130130110
Percentage of Supplies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockCommonValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value891685718578856884408434814280047717751674196867
Percentage of TreasuryStockCommonValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value208205206206205206203201198196196190188190188188185183183178172171172164164165161162163166166167167169169157155155144
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssets

wm:TrustForFinalCappingClosurePostClosureOrEnvironmentalRemediationObligations, us-gaap:VariableInterestEntityNotPrimaryBeneficiary



Period End2020-03-312019-12-312018-12-31
Value9410192
Percentage of VariableInterestEntityNonconsolidatedCarryingAmountAssets100.0100.0100.0

wm:AccruedCappingAndEnvironmentalCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value21282095205920512024199719901968195219261822
Percentage of AccruedCappingAndEnvironmentalCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wm:CurrentAssetsExcludingCashAndCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2510264826452586243125842592242424392602226522942193234422632237219823062286228023402334393322182196244122602250219022292261221720962121213720031943
Percentage of CurrentAssetsExcludingCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value44465
Percentage of CurrentAssetsExcludingCashAndCashEquivalents0.20.20.20.20.2

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value25042642263925782577
Percentage of CurrentAssetsExcludingCashAndCashEquivalents99.899.899.899.799.7

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2248942
Percentage of CurrentAssetsExcludingCashAndCashEquivalents0.10.11.83.60.1

wm:CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2683292627782730256926762623247723172523240923802162237722322192203622572227228121052395264821942141228822942246222422932361233421872437230220972252
Percentage of CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value37799
Percentage of CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt0.10.20.30.30.3

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value25812814270427212585
Percentage of CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt96.296.297.399.796.6

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value991051139282
Percentage of CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt3.73.64.13.43.1

wm:IncreaseDecreaseInDeferredRevenueAndOtherOperatingLiabilities



Period End2020-03-312019-03-312018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-12-312015-09-302015-09-302015-06-302015-06-302015-03-312014-12-312014-12-312014-09-302014-09-302014-06-302014-06-302014-03-312013-12-312013-12-312013-09-30
Value-63-29-30-5-28-34-12-581997-4354-69-1549-34117-3087-3354-29-2594-3-66
Percentage of IncreaseDecreaseInDeferredRevenueAndOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

wm:InvestmentsInAffiliates

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2702126673263672615025097
Percentage of InvestmentsInAffiliates100.0100.0100.0100.0100.0

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2665026221259402564624676
Percentage of InvestmentsInAffiliates98.698.398.498.198.3

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value-53671-52894-52307-51796-49773
Percentage of InvestmentsInAffiliates-198.6-198.3-198.4-198.1-198.3

wm:LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value8643864187448485849580638101791879787646751375117498753376217635768374097344736073957114724677937737776085758139814680237896787779517948772272907126
Percentage of LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:GuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1010101031
Percentage of LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates0.10.10.10.10.4

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value86288625872984708024
Percentage of LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates99.899.899.899.899.5

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value56558
Percentage of LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates0.10.10.10.10.1

wm:LongTermLiabilitiesExcludingLongTermDebtAndDueToAffiliateNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value429842494186405040213672371136853767377338953895390838523814
Percentage of LongTermLiabilitiesExcludingLongTermDebtAndDueToAffiliateNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value42964245418340463667
Percentage of LongTermLiabilitiesExcludingLongTermDebtAndDueToAffiliateNoncurrent100.099.999.999.999.9

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value24345
Percentage of LongTermLiabilitiesExcludingLongTermDebtAndDueToAffiliateNoncurrent0.00.10.10.10.1

us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

wm:ReclassificationFromEquityToAdvanceAffiliates

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value300298297294286
Percentage of ReclassificationFromEquityToAdvanceAffiliates100.0100.0100.0100.0100.0

srt:ParentCompany, srt:ReportableLegalEntities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value67097345670967096709
Percentage of ReclassificationFromEquityToAdvanceAffiliates2236.32464.82258.92282.02345.8

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value-7009-7643-7006-7003-6995
Percentage of ReclassificationFromEquityToAdvanceAffiliates-2336.3-2564.8-2358.9-2382.0-2445.8

Line plots across dimensions of each concept

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems


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


us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments


us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems


us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems


us-gaap:ProfitLoss us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems


us-gaap:ComprehensiveIncomeNetOfTax us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems


us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems


us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems


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


us-gaap:Liabilities us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems


us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems


us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems


us-gaap:AssetsCurrent us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems


us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems


us-gaap:LiabilitiesCurrent us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems


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us-gaap:DebtCurrent us-gaap:DebtInstrument


us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems


us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents


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