AMT


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

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ProductOrService
us-gaap:CostOfGoodsAndServicesSold
us-gaap:ConsolidationItems
us-gaap:CostOfRevenue
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CostsAndExpenses

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:SubsequentEventType
us-gaap:ConsolidationItems
us-gaap:GrossProfit
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument
us-gaap:InterestExpenseLongTermDebt
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NonoperatingIncomeExpense
us-gaap:ProductOrService
us-gaap:OperatingCostsAndExpenses

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementGeographical
us-gaap:StatementGeographical

us-gaap:Revenues
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:StatementGeographical

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

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

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:AmortizationOfIntangibleAssets

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:AccountsPayableCurrent
amt:AssetAcquisition
amt:AssetAcquisition, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:AssetAcquisition, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:DividendsPayableCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValue
us-gaap:PlanName

us-gaap:MinorityInterest

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation
us-gaap:AwardType
us-gaap:ConsolidationItems
us-gaap:IncomeStatementLocation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:RepaymentsOfLongTermDebt
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:PaymentsOfDividendsCommonStock
us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
us-gaap:StatementEquityComponents
amt:AdjustmentsToAdditionalPaidInCapitalAdditionalInterestAcquisitionCosts
amt:AssetAcquisition
amt:AssetAcquisitionConsiderationTransferred
amt:AssetAcquisition, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:CounterpartyName, us-gaap:PropertyPlantAndEquipmentByType

amt:BusinessCombinationProFormaInformationGrossMarginOfAcquireeSinceAcquisitionDateActual

amt:ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest

amt:ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest

amt:IncreaseDecreaseInRightOfUseAssetAndOperatingLeaseLiability

amt:NonCashOperatingAndFinancingLeaseModifications
dei:LegalEntity, us-gaap:Ownership
amt:NoncontrollingInterestAcquiredOwnershipPercentageByNoncontrollingOwners
us-gaap:StatementEquityComponents
amt:NoncontrollingInterestDecreaseFromRedemptionsOrPurchaseOfInterestsShares

amt:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxLessAmountReclassifiedToAdditionalPaidInCapital
us-gaap:StatementEquityComponents

amt:OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital
us-gaap:StatementEquityComponents

amt:PaidDividendRSU

amt:ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets

amt:SaleOfStockAuthorizedAmountToBeSold

amt:StraightLineRevenue

amt:TransfersToAccountsPayableAndAccruedExpensesCapitalExpenditures

amt:UnrecognizedTaxBenefitIncreaseResultingFromReclassificationToIncomeTaxPenaltiesAndInterestExpense

amt:UnrecognizedTaxBenefitsIncreaseResultingFromForeignCurrencyTranslationNet
us-gaap:StatementEquityComponents
us-gaap:AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock

us-gaap:BusinessAcquisitionProFormaEarningsPerShareBasic

us-gaap:BusinessAcquisitionProFormaEarningsPerShareDiluted

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

us-gaap:BusinessAcquisitionsProFormaRevenue

us-gaap:BusinessCombinationAcquisitionRelatedCosts
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition, us-gaap:StatementBusinessSegments
us-gaap:StatementScenario, us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:BusinessCombinationIntegrationRelatedCosts

us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual

us-gaap:CapitalLeaseObligationsIncurred
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrumentRedemptionPricePercentage

us-gaap:DepreciationAmortizationAndAccretionNet
us-gaap:ConsolidationItems

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:ExtinguishmentOfDebtGainLossNetOfTax

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings

us-gaap:ForeignCurrencyTransactionGainLossUnrealized
us-gaap:BusinessAcquisition
us-gaap:GoodwillAcquiredDuringPeriod

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:GoodwillPurchaseAccountingAdjustments
us-gaap:StatementBusinessSegments

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse

us-gaap:IncreaseDecreaseInOperatingAssets

us-gaap:IncreaseDecreaseInOperatingLiabilities

us-gaap:InterestIncomeOther

us-gaap:InvestmentIncomeNonoperating
us-gaap:BusinessAcquisition
us-gaap:LiabilitiesFairValueAdjustment

us-gaap:MinorityInterestChangeInRedemptionValue
us-gaap:StatementEquityComponents
us-gaap:MinorityInterestDecreaseFromRedemptions

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
us-gaap:StatementEquityComponents
us-gaap:BusinessAcquisition
us-gaap:NoncashOrPartNoncashAcquisitionDebtAssumed1
us-gaap:BusinessAcquisition, us-gaap:FairValueByLiabilityClass

us-gaap:NotesReduction

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseLeaseIncome
us-gaap:StatementGeographical

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax

us-gaap:OtherCostAndExpenseOperating
us-gaap:ConsolidationItems
us-gaap:OtherExpenses

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest
us-gaap:CounterpartyName, us-gaap:Ownership
us-gaap:CounterpartyName, us-gaap:Ownership, us-gaap:StatementScenario, us-gaap:SubsequentEventType
us-gaap:Ownership

us-gaap:PaymentsOfDebtExtinguishmentCosts

us-gaap:PaymentsToAcquireAdditionalInterestInSubsidiaries
dei:LegalEntity, us-gaap:Ownership
dei:LegalEntity, us-gaap:Ownership, us-gaap:SubsequentEventType
us-gaap:Ownership

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:ProceedsFromIncomeTaxRefunds

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType

us-gaap:ProceedsFromIssuanceOrSaleOfEquity

us-gaap:ProceedsFromLinesOfCredit
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsToMinorityShareholders

us-gaap:ProceedsFromPreviousAcquisition
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:RepaymentsOfLinesOfCredit
us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:RepaymentsOfLongTermLinesOfCredit

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:SubsidiarySaleOfStock
us-gaap:SaleOfStockConsiderationReceivedOnTransaction
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StraightLineRent

us-gaap:TemporaryEquityForeignCurrencyTranslationAdjustments
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:PlanName
us-gaap:StatementEquityComponents

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromAcquisition

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense

us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromForeignCurrencyTranslation

us-gaap:UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations

us-gaap:VariableLeasePayment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WriteOffOfDeferredDebtIssuanceCost

amt:AccruedDividendRsu

amt:AccruedPassThroughCosts

amt:AccruedPropertyAndRealEstateTaxes

amt:AcquisitionRelatedPayablesCurrent

amt:AcquisitionsPayable
us-gaap:CounterpartyName
amt:AggregatePurchaseOptionPriceForTowers
amt:AssetAcquisition
amt:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet
amt:AssetAcquisition
amt:AssetAcquisitionAssetsAcquiredandLiabilitiesAssumedNet
us-gaap:AssetAcquisition
amt:AssetAcquisition
amt:AssetAcquisitionAssetsCurrent
us-gaap:AssetAcquisition
amt:AssetAcquisition
amt:AssetAcquisitionDeferredIncomeTaxLiabilitiesNet
amt:AssetAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
amt:AssetAcquisitionFiniteLivedIntangibleAssetsNet
us-gaap:AssetAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
amt:AssetAcquisition
amt:AssetAcquisitionLiabilitiesCurrent
us-gaap:AssetAcquisition
amt:AssetAcquisition
amt:AssetAcquisitionOtherAssetsNonCurrent
us-gaap:AssetAcquisition
amt:AssetAcquisition
amt:AssetAcquisitionOtherLiabilitiesNoncurrent
us-gaap:AssetAcquisition
amt:AssetAcquisition
amt:AssetAcquisitionPropertyPlantAndEquipmentNet
us-gaap:AssetAcquisition
us-gaap:AssetAcquisition
amt:AssetAcquisitionRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
amt:AssetAcquisition
amt:AssetCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

amt:AssetsHeldandUsedLongLivedFairValueDisclosure
us-gaap:BusinessAcquisition
amt:BusinessCombinationAdjustmentToAssets
us-gaap:BusinessAcquisition
amt:BusinessCombinationAdjustmentToLiabilities
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
amt:DebtInstrumentRepurchaseAmountIncludingInterest

amt:DeferredTaxAssetNondeductibleExpenseInterestAmount

amt:DeferredTaxAssetsOperatingLeaseLiability

amt:DeferredTaxDeferredRentNoncurrent

amt:DeferredTaxLiabilitiesAssetsGross

amt:DeferredTaxLiabilitiesRightofUseAsset

amt:DeferredTaxLiabilityDepreciationAndAmortization

amt:EstimatedUndiscountedFutureCashOutlayForAssetRetirementObligations
us-gaap:PropertyPlantAndEquipmentByType
amt:FinanceLeaseAccumulatedDepreciationDepletionandAmortization
us-gaap:PropertyPlantAndEquipmentByType
amt:FinanceLeaseRightofUseAssetGross
us-gaap:IncomeTaxAuthority
amt:IndefiniteCarryforward
us-gaap:CounterpartyName
amt:LeasedAssetsNumberOfUnits

amt:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour

amt:LessorOperatingLeasePaymentToBeReceivedAfterYearFour

amt:LongTermDebtTotalCashObligations

amt:NetLongTermOperatingLossCarryForwards
us-gaap:IncomeTaxAuthority
amt:NetOperatingLossCarryforwardsExpiringYearsElevenThroughFifteen
us-gaap:IncomeTaxAuthority
amt:NetOperatingLossCarryforwardsExpiringYearsOneThroughFive
us-gaap:IncomeTaxAuthority
amt:NetOperatingLossCarryforwardsExpiringYearsSixThroughTen
us-gaap:IncomeTaxAuthority
amt:NetOperatingLossCarryforwardsExpiringYearsSixteenThroughTwenty
us-gaap:StatementGeographical, us-gaap:BusinessAcquisition
amt:NumberOfBroadcastAndWirelessCommunicationsTowers
us-gaap:StatementGeographical, us-gaap:BusinessAcquisition
amt:NumberOfDASNetworks
us-gaap:BusinessAcquisition
amt:NumberOfLandParcelsUnderCommunicationSites
us-gaap:StatementGeographical, us-gaap:BusinessAcquisition
amt:NumberOfRooftopSites

amt:PreferredStockDepositarySharesPercentageofPreferredShares
us-gaap:AwardType
amt:SharebasedCompensationArrangementBySharebasedPaymentAwardWeightedAverageGrantDateFairValueVestedAndDeferred
us-gaap:AwardType
amt:WeightedAverageGrantDateFairValueExpectedToVestNetOfEstimatedForfeitures

srt:PayablesToCustomers

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:AccountsReceivableNet

us-gaap:AccruedRentCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AssetRetirementObligation
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

us-gaap:ConstructionPayableCurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiabilityNoncurrent
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtInstrumentCarryingAmount
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DebtInstrumentFairValue
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument
us-gaap:DebtInstrumentRepurchaseAmount
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRepurchasedFaceAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet
us-gaap:Range
us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredRentReceivablesNetNoncurrent

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances

us-gaap:DeferredTaxAssetsUnrealizedCurrencyLosses

us-gaap:DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates

us-gaap:DeferredTaxLiabilitiesOther
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk, us-gaap:LongtermDebtType
us-gaap:DerivativeAssetNotionalAmount
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk, us-gaap:LongtermDebtType
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeFairValueOfDerivativeNet
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk, us-gaap:LongtermDebtType
us-gaap:DerivativeFixedInterestRate

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType
us-gaap:AwardType, us-gaap:PlanName
dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:EquitySecuritiesFvNiCurrentAndNoncurrent

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:InterestPayableCurrent
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:InterestPayableCurrentAndNoncurrent
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LessorOperatingLeasePaymentsToBeReceived
us-gaap:CounterpartyName

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCredit
us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:CreditFacility, us-gaap:ShortTermDebtType
us-gaap:CreditFacility, us-gaap:ShortTermDebtType, us-gaap:SubsequentEventType
us-gaap:CreditFacility, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LongTermAccountsNotesAndLoansReceivableNetNoncurrent

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities

us-gaap:LongTermDebtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
dei:LegalEntity, us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners
dei:LegalEntity, us-gaap:Ownership, us-gaap:SubsequentEventType
us-gaap:Ownership
us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByParent
us-gaap:Ownership, us-gaap:StatementScenario, us-gaap:SubsequentEventType
us-gaap:Ownership, us-gaap:SubsequentEventType

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

us-gaap:OtherAccruedLiabilitiesNoncurrent

us-gaap:OtherAssetsMiscellaneousCurrent

us-gaap:OtherAssetsMiscellaneousNoncurrent

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidTaxes

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:RealEstateAccumulatedDepreciation

us-gaap:RealEstateGrossAtCarryingValue

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount
us-gaap:Ownership
us-gaap:RedeemableNoncontrollingInterestEquityCommonCarryingAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:RedeemableNoncontrollingInterestEquityCommonFairValue

us-gaap:RedeemableNoncontrollingInterestEquityOtherRedemptionValue
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:SaleOfStockPricePerShare
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange
us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange
us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
us-gaap:CounterpartyName, us-gaap:Ownership
us-gaap:TemporaryEquityRedemptionPricePerShare
us-gaap:CounterpartyName, us-gaap:Ownership, us-gaap:StatementScenario, us-gaap:SubsequentEventType

us-gaap:TreasuryStockShares

us-gaap:UnbilledReceivablesCurrent

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:ValueAddedTaxReceivable

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Income Tax Expense Benefit
Balance Sheet
Cash And Cash Equivalents At Carrying Value
Assets
Cash And Cash Equivalents At Carrying Value
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Deferred Income Tax Assets Net
Liabilities
Liabilities Current
Current Liabilities
Accrued Income Taxes Current
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Earnings Per Share Diluted
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Proceeds From Payments For Other Financing Activities
Shares
Treasury Stock Shares
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:CommonStockValue ▇▆▆▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁▁▁▁████4.74.64.64.54.54.54.54.54.54.54.54.54.54.54.44.3754.3724.3094.2994.2844.284.2734.2674.2634.264.2593.9953.9923.9883.9843.9763.9733.9693.9663.9593.9563.9523.9463.9364.8844.8774.8684.86NANANA4.797NANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock█▇▇▇▇▇▇▇▇▇▆▆▆▆▅▅▅▄▄▄▄▄▄▄▄▄▁465.946455.708455.245455.105454.476454.196453.541453.392452.943452.525451.617451.03450.817450.505437.729437.510284437.184947430.931594429.912536428.431558428.071284427.373031426.695279426.307336426.074991425.883631399.508751NANANA397.67435NANANA395.963218395.607119NANA393.642079488.433889NANA486.056952NANANANANANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:TreasuryStock███▁▁▁▁▁▁▁▁▁▁▂▂▂▂▆▅▄▄▄▄▄▄▄▄10.91510.91510.915-10.915-10.915-10.864-10.651-10.557-10.557-10.557-10.557-10.255-9.631-8.909-8.909-8.266564-8.0099644.6839422.810026-2.810026-2.810026-2.810026-2.810026-2.810026-2.810026-2.810026-2.810026NANANA-2.810026NANANA-0.872005-0.252691NANA0.0-94.966678NANA-87.379718NANANANANANANA
us-gaap:CommonStockSharesIssued ████▁▁▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇████465.946455.708455.245455.1050.4544760.454196453.541453.392452.943452.525451.617451.03450.817450.505437.729437.510284437.184947430.931594429.912536428.431558428.071284427.373031426.695279426.307336426.074991425.883631399.508751399.207516398.811474398.470269397.67435397.345022396.953771396.624027395.963218395.607119395.204787394.677281393.642079488.433889487.740025486.835563486.056952NANANA479.703633NANANA
us-gaap:CommonStockSharesOutstanding ████▁▁████████████████████▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇455.031444.793444.33444.190.4435610.443332442.89442.386442.386441.968441.06440.775441.186441.596428.82429.24372429.174983426.247652427.10251425.621532425.261258424.563005423.885253423.49731423.264965423.073605396.698725396.39749396.001448395.660243394.864324394.534996395.129882395.587902395.091213395.354428395.03526394.598281393.642079393.467211395.996123397.066098398.677234NANANA401.596984NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁452.354446.294NA446.156445.867445.832NA445.829445.337444.621NA444.121444.362438.52NA432.831430.487430.199NA429.925429.004427.888NA427.227426.933409.399NA400.397399.588399.12NA398.348399.458399.659NA399.487398.811398.453NA395.183400.25401.899NA403.455405.024406.08NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁450.617444.486NA443.766443.436443.055NA442.763442.203441.351NA440.889441.497435.124NA429.281427.298427.279NA425.517424.909424.059NA423.375423.154405.111NA396.243395.872395.146NA394.759395.42395.239NA395.244394.743393.885NA395.183396.599397.768NA400.602402.733402.346NANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:RestrictedStockUnitsRSU0.003NANA0.00.00.086NA0.00.0010.105NA0.0030.0040.118NA0.00.00.159NA0.00.00.152NA0.00.00.003NA0.00.0030.0NA0.0140.0NANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic █▇▅▅▅▅▆▆▅▅▄▅▄▄▃▄▅▄▃▃▃▄▃▂▂▃▃▃▄▃▂▃▂▃▃▄▂▃▃▁▂▂▂▂▂▂▂▂▂▂1.661.450.81999999999999981.051.010.941.271.130.970.90.630.830.690.630.510.70.810.680.480.560.380.590.490.180.310.450.430.50.580.510.250.460.250.430.340.590.120.560.52-0.040.290.230.210.230.250.240.160.170.140.15
us-gaap:EarningsPerShareDiluted █▇▅▅▅▅▆▆▅▅▄▅▄▄▃▄▄▄▃▃▃▄▃▂▂▃▃▃▄▃▂▃▂▃▃▄▂▃▃▁▂▂▂▂▂▂▂▂▂▂1.651.450.81999999999999981.041.00.931.261.120.960.890.620.830.690.630.510.690.80.670.470.550.370.580.480.180.30.450.420.50.580.510.250.450.250.430.340.580.120.560.52-0.040.290.230.210.230.250.240.160.170.140.15
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 COGS Ratio us-gaap:ProductOrService us-gaap:Service█▁65.928.8NANA19.819.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems us-gaap:OperatingSegments█▁2298.92158.5NA2012.91913.01993.1NA1953.61889.61813.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:NetworkDevelopmentServices█▁65.928.8NA25.319.819.9NA32.040.727.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:Property█▁2233.02129.7NA1987.61893.21973.2NA1921.61848.91786.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAfrica█▁248.0235.7NA220.0206.0225.5NA148.2141.4144.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAsiaNA281.4NA305.2271.3286.6NA312.5321.1288.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAsiaPacific298.2NANANA271.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyEurope█▁87.844.6NA38.734.734.5NA33.333.633.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyLatinAmerica█▁365.6336.7NA301.4293.7336.7NA331.7345.6333.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyUSNA1231.3NA1122.31087.51089.9NA1095.91007.2986.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyUSAndCanada1233.4NANANA1087.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems us-gaap:OperatingSegments█▁2298.92158.5NA2012.91913.01993.1NA1953.61889.61813.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:NetworkDevelopmentServices█▁65.928.8NA25.319.819.9NA32.040.727.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:Property█▁2233.02129.7NA1987.61893.21973.2NA1921.61848.91786.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAfrica█▁248.0235.7NA220.0206.0225.5NA148.2141.4144.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAsiaNA281.4NA305.2271.3286.6NA312.5321.1288.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAsiaPacific298.2NANANA271.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyEurope█▁87.844.6NA38.734.734.5NA33.333.633.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyLatinAmerica█▁365.6336.7NA301.4293.7336.7NA331.7345.6333.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyUSNA1231.3NA1122.31087.51089.9NA1095.91007.2986.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyUSAndCanada1233.4NANANA1087.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems us-gaap:OperatingSegments█▁2298.92158.5NA2012.91913.01993.1NA1953.61889.61813.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:NetworkDevelopmentServices█▁65.928.8NA25.319.819.9NA32.040.727.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:Property█▁2233.02129.7NA1987.61893.21973.2NA1921.61848.91786.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAfrica█▁248.0235.7NA220.0206.0225.5NA148.2141.4144.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAsiaNA281.4NA305.2271.3286.6NA312.5321.1288.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAsiaPacific298.2NANANA271.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyEurope█▁87.844.6NA38.734.734.5NA33.333.633.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyLatinAmerica█▁365.6336.7NA301.4293.7336.7NA331.7345.6333.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyUSNA1231.3NA1122.31087.51089.9NA1095.91007.2986.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyUSAndCanada1233.4NANANA1087.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems us-gaap:OperatingSegments█▁2298.92158.5NA2012.91913.01993.1NA1953.61889.61813.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:NetworkDevelopmentServices█▁65.928.8NA25.319.819.9NA32.040.727.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:Property█▁2233.02129.7NA1987.61893.21973.2NA1921.61848.91786.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAfrica█▁248.0235.7NA220.0206.0225.5NA148.2141.4144.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAsiaNA281.4NA305.2271.3286.6NA312.5321.1288.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAsiaPacific298.2NANANA271.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyEurope█▁87.844.6NA38.734.734.5NA33.333.633.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyLatinAmerica█▁365.6336.7NA301.4293.7336.7NA331.7345.6333.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyUSNA1231.3NA1122.31087.51089.9NA1095.91007.2986.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyUSAndCanada1233.4NANANA1087.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:ComprehensiveIncomeNetOfTax █▆█▇▆▁▇▅▇▆▆▅▃▆▅▆▆▇▅▅▅▇▆▃▅▄▄▅▆▆▅▅▅▅▅▆▅▆▅▄▅▅905.0342.8796.9547.7443.3-1033.1718.1126.3494.6368.1331.0180.7-368.8428.999.198327.042277.737555.92397.178159.13327.144501.563228.609-501.383133.395-218.322-109.495-45.826255.921241.30986.777156.364-16.392196.711116.413271.311-57.412266.241149.563-165.241123.265108.205NANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest █▆█▇▆▁▇▅▇▆▆▅▃▆▅▆▆▇▅▅▅▇▅▃▅▄▄▄▅▅▅▅▄▅▅▆▄▆▅▄▅▅866.8328.6882.9577.9454.2-924.9732.197.8508.4420.5380.5128.8-451.2416.887.085347.298333.831601.08673.116171.58714.432507.665220.685-502.19115.974-238.024-110.154-47.586219.551216.01559.835137.911-34.818187.8894.026269.851-79.354247.427134.437-169.266121.225108.324NANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:Service█▁24.611.0NANA9.77.9NANANANA9.913.6NANA9.58.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfRevenue us-gaap:ConsolidationItems us-gaap:OperatingSegments█▁647.9574.3NA561.9539.3551.1NA559.3562.7542.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfRevenue us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:NetworkDevelopmentServices█▁24.611.0NA10.29.47.6NA11.713.710.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfRevenue us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:Property█▁623.3563.3NA551.7529.9543.5NA547.6549.0532.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfRevenue us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAfrica█▁85.780.9NA74.169.777.7NA51.753.453.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfRevenue us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAsiaNA175.5NA167.1158.6164.0NA177.9188.3178.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfRevenue us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAsiaPacific183.8NANANA158.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfRevenue us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyEurope█▁29.97.8NA7.76.86.6NA6.97.26.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfRevenue us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyLatinAmerica█▁112.1101.2NA95.592.4105.2NA103.6103.5103.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfRevenue us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyUSNA197.9NA207.3202.4190.0NA207.5196.6191.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfRevenue us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyUSAndCanada211.8NANANA202.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostsAndExpenses ▇▆▇▆▆▆▆▆▅▅█▅▆▆▆▅▅▅▅▅▅▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁1449.71329.81448.21227.81221.71256.31262.41225.31205.71198.51743.01218.31234.91338.91375.5011119.6151085.5251084.8591050.2531035.7711009.421837.194877.917836.985784.601659.224700.335653.381628.958630.452649.041499.001496.018503.042489.139417.783427.248422.071405.461402.098371.446344.395344.201299.95281.221275.585NANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt █▅█▄█▅██▆█▇████▆█▃██████▁▇▇█████▇▅███████████0.0-25.70.0-37.20.0-34.60.00.0-22.1-0.1-3.30.00.00.0-0.303-14.183-0.274-55.440.3380.00.830.0-0.8130.0-75.068-3.725-4.922.969-1.284-0.238-0.7340.0-2.669-35.2980.00.00.0-0.3980.00.00.00.0-1.8510.0-0.035NANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:BusinessAcquisition,us-gaap:DebtInstrument amt:InsiteAcquisition,amt:InsiteDebtNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:BusinessAcquisition,us-gaap:DebtInstrument,us-gaap:SubsequentEventType amt:InsiteAcquisition,amt:InsiteDebt,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:SubsequentEventType us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ConsolidationItems us-gaap:OperatingSegments█▁1651.01584.2NA1451.01373.71442.0NA1394.31326.91270.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:NetworkDevelopmentServices█▁41.317.8NA15.110.412.3NA20.327.017.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:Property█▁1609.71566.4NA1435.91363.31429.7NA1374.01299.91253.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAfrica█▁162.3154.8NA145.9136.3147.8NA96.588.090.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAsiaNA105.9NA138.1112.7122.6NA134.6132.8110.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyAsiaPacific114.4NANANA112.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyEurope█▁57.936.8NA31.027.927.9NA26.426.427.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyLatinAmerica█▁253.5235.5NA205.9201.3231.5NA228.1242.1229.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyUSNA1033.4NA915.0885.1899.9NA888.4810.6795.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:PropertyUSAndCanada1021.6NANANA885.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▁820.7702.6NA502.2459.5439.7NA542.0463.9441.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▇▆▇▆▅▅▁▆▆▆▁▅▅▃▃▆▅▆▇▅▆▆▆█▅▅▅▅▅▅▆▅▄▅▆▅▅▆▃▅▇▇▇▇▆▆72.850.358.139.311.121.1-100.536.729.634.0-95.412.53.9-31.1-53.45533.41223.9826.76360.8322.03743.5129.12425.89294.23513.95623.87212.62810.42621.80217.64936.1815.586-11.44719.22243.18713.05423.81527.248-36.90124.68165.87771.42353.09970.64930.35228.389NANANANA
us-gaap:IncomeTaxesPaidNet ▅▁▅▂▃▃▄▃▄▄▇▃▂▃▄▃▄▃▃▃▃▂▃█▂▂▂▂▂▂▃▁▁▂▄▂▂▁▁▂▂▂56.45.860.318.432.535.136.533.141.036.988.630.719.924.748.82827.28837.3123.07424.37321.45531.04519.36826.827100.3215.19714.71416.83316.60316.68219.09428.5046.0193.6113.54340.81215.68913.673-0.8975.10120.51314.81813.477NANANANANANANANA
us-gaap:InterestExpense █▆▃▁▃▆▄▄▅▆▆▇▆213.7207.0196.1190.9197.7208.8200.9201.3204.5207.5208.8209.2207.9NA190.093188.784187.028183.695NA190.16181.036159.88NA149.787148.507147.934147.481143.212146.234143.307139.38106.335100.815111.766104.043102.272100.23395.11785.11977.79674.51274.42768.62362.90456.07458.417NANANANA
 us-gaap:InterestExpenseLongTermDebt us-gaap:BusinessAcquisition,us-gaap:DebtInstrument amt:InsiteAcquisition,amt:InsiteDebtNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestExpenseLongTermDebt us-gaap:BusinessAcquisition,us-gaap:DebtInstrument,us-gaap:SubsequentEventType amt:InsiteAcquisition,amt:InsiteDebt,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestPaidNet ▃▇▁▇▂█▁▅▄▇▂█▃▆149.8239.1118.9248.2133.2262.0128.7202.2170.3249.0148.9258.3153.9228.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss 746.3NA365.1464.4446.1415.0562.7498.6429.1397.4277.6366.9306.7285.2238.5317.268367.051316.08229.207264.509187.55275.159232.702102.999156.056193.317180.387207.593234.431202.49999.982180.12399.821171.407135.679232.08948.209221.306205.11-15.701115.21191.84283.51493.43999.66596.31864.3567.35556.28958.601
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▆▆▅▆▆▆▆▆▆▇▇▇▇▅▁██▅▆▆▆▆▅▅▆▆▆▆▄▅▃▄▄▅▄▆▄▅▅▅▅▆▆▆▆▆1.67.3-3.5-1.52.33.66.76.75.210.215.110.47.7-4.9-43.68517.41621.439-8.673.646-0.7744.9146.148-11.107-5.2591.1242.1751.21-0.963-12.772-9.186-26.057-16.901-15.708-10.459-17.526-0.264-14.52-10.948-8.676-4.025-2.040.1190.1890.1620.1540.165NANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic █▇▄▅▅▅▆▅▅▄▃▄▃▃▂▃▄▃▂▃▂▃▂▁▂▂▂▂▃▂▁▂▁▂746.3645.0365.1464.4446.1415.0562.7498.6429.1397.43277.6366.9306.7275.8219.6298.361344.208289.299202.426237.728160.768248.378205.92176.218129.274183.498168.574199.893230.056202.49999.982180.12399.821171.407NANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted 746.3NANANA446.1NANANANANANANANANANANANANANANANANANANANANANA199.893NANANA180.123NANANANANANANANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense █▅▂▁▃▁▄▄▃▄▄▄▃▅▄▄▄▄▄▄▄▅▅▃▃▄▅▄▅▅▄▅▂▆▆▇▃█▆▃█▇▇▇▇▇-28.5-126.1-254.6000000000001-282.9-231.8-297.1-192.4-186.3-220.0-173.3-191.6-177.4-227.7-153.7-187.6-193.055-164.439-197.206-195.613-193.302-196.832-141.422-154.637-208.95-218.638-200.602-151.754-167.751-159.038-142.675-182.823-130.071-240.146-119.516-117.905-50.675-212.987-36.858-88.216-223.352-46.752-54.917-66.655-49.129-58.549-54.02NANANANA
 us-gaap:OperatingCostsAndExpenses us-gaap:ProductOrService us-gaap:ServiceNANANA10.59.7NANA11.913.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingIncomeLoss ██▆▇▆▇▆▇▆▆▃▅▅▄▃▅▅▅▄▄▄▄▄▄▃▄▃▃▄▃▂▃▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁849.2828.7674.3785.1691.3736.8661.3728.3683.9614.9388.9567.2546.0402.9329.0561.151576.909531.379489.296479.074432.806451.853402.124400.925389.774419.966345.979384.807402.499353.637292.928308.879312.812299.686279.235295.552270.486274.446247.738228.305225.789218.3203.441213.372188.716178.849176.449179.077166.447150.285
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▆▅█▆▆▁▇▅▆▆▆▅▃▆▆▆▆▇▅▆▅▇▆▄▆▄▅▅▆▆▆▆▆▆▆▆▆▆118.8-323.7521.2115.05.8-1343.5162.7-407.674.112.987.8-248.5-766.257.6-107.61612.581-54.461293.896-159.537-91.608-177.966226.292-1.162-600.798-44.029-432.961-292.039-254.239-3.10422.492-14.477-24.66-123.36927.427-22.0338.782-112.04836.909NANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆▅█▆▆▁▇▅▆▆▆▅▃▇▆▆▆▇▅▆▅▇▆▄▆▄▅▅▆▆▆▆▆▆▆▆▆▆118.9-323.7521.3115.05.8-1343.5162.7-407.574.112.987.8-248.5-765.6136.5-107.73112.614-54.659293.676-159.737-92.148-178.032226.358-0.91-599.93-41.206-433.516-291.751-254.216-2.10822.702-14.09-25.311-118.93126.932-24.12738.026-113.04337.069NANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense █▆▃▃▃▃▄▄▄▅▄▅▃▅▄▄▄▅▄▄▄▄▄▃▄▃▄▃▄▄▃▄▁▅▄▅▂▅▄▁▅▅▄▄▄▄177.695.2-70.0-64.5-42.5-63.8-2.02.8-5.121.99.721.1-34.827.8-8.67-1.11411.78229.302-21.896-12.26-25.84212.208-11.669-66.659-2.129-54.503-7.835-34.019-16.463-3.743-58.509-29.622-141.6622.291-18.83246.294-118.62352.861-7.265-150.87621.45913.707-1.5988.236-6.7190.396NANANANA
us-gaap:ProfitLoss █▇▄▅▅▅▆▆▅▅▄▅▄▄▃▄▅▄▃▄▃▄▃▂▃▃▃▃▃▃▂▃▂▃▂▃▁▃▃▁▂▂▂▂▂▂747.9652.3361.6462.9448.4418.6569.4505.3434.3407.6292.7377.3314.4280.3194.8334.684388.49307.41232.853263.735192.464281.307221.59597.74157.18195.492181.597206.63221.659193.31373.925163.22284.113160.948118.153231.82533.689210.358196.434-19.726113.17191.96183.70393.60199.81996.483NANANANA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▁▁▁▁▁▁▇▁▇▇█▇▇▇▇▆▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂179.6141.9128.7131.6117.4118.01923.7137.31889.61813.42131.91785.51780.91741.81704.51680.71662.51616.21539.5491514.8451442.2271289.0471280.0411237.911174.3751079.191046.3141038.1881031.457984.089941.969807.88808.83802.728768.374713.335697.734696.517653.199630.403597.235562.695547.642513.322469.937454.434447.973444.105423.358408.678
us-gaap:Revenues █▇▇▇▇▇▇▇▆▆▇▆▆▆▆▆▆▅▅▅▅▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁2298.92158.52122.52012.91913.01993.11923.71953.61889.61813.42131.91785.51780.91741.81704.51680.71662.51616.21539.5491514.8451442.2271289.0471280.0411237.911174.3751079.191046.3141038.1881031.457984.089941.969807.88808.83802.728768.374713.335697.734696.517653.199630.403597.235562.695547.642513.322469.937454.434447.973444.105423.358408.678
us-gaap:SellingGeneralAndAdministrativeExpense █▇▇▆▇█▆▇▆▇▇▆▅▇▆▅▅▆▅▄▅▄▅▄▄▄▄▃▃▃▄▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁207.2182.6196.3176.0188.6217.8179.6187.9164.8198.1192.5177.9157.9204.9171.095147.961153.148164.796138.309131.537138.234135.315143.375114.832116.338123.29129.105108.90998.499110.029116.80897.78199.803101.15389.4181.45976.84879.58473.89576.47672.32166.13265.36557.29553.58253.527NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:Assets █▆▆▅▅▅▆▅▅▅▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▂▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁58982.946942.547233.541462.241515.940789.142801.639307.239072.738926.833010.433077.233205.734372.733214.332319.32632138.2132057.38930879.1530655.52730740.19827064.31526904.27226926.78826469.72525930.19421331.54520596.61520847.73720417.40720272.57118181.3214339.39414463.7414089.12912961.30412709.35912638.20612232.4310895.33610973.78410758.74910368.014NANANA8519.931NANANA
us-gaap:Liabilities █▇▇▆▆▆▆▅▅▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▂▂▃▃▂▂▂▂▁▁▁▁▁▁▁▁51950.142390.742453.036718.236913.336183.136214.732937.332439.432437.526106.026193.726069.826366.225260.024062.9223937.22823542.56122811.7322781.04422814.81620064.120191.45420242.58619096.56718498.55517278.19316411.30116439.57316715.80216682.53114569.40310719.52710682.21810404.9489275.3229223.1699051.8038822.2887547.6957373.9967249.7336863.456NANANA5201.806NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▆▆▅▅▅▆▅▅▅▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▂▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁58982.946942.547233.541462.241515.940789.142801.639307.239072.738926.833010.433077.233205.734372.733214.332319.32632138.2132057.38930879.1530655.52730740.19827064.31526904.27226926.78826469.72525930.19421331.54520596.61520847.73720417.40720272.57118181.3214339.39414463.7414089.12912961.30412709.35912638.20612232.4310895.33610973.78410758.74910368.014NANANA8519.931NANANA
us-gaap:StockholdersEquity ▅▂▂▂▂▂▄▄▅▅▅▅▅▆▆▇▇▇▇▇▇▇▇▇██▂▃▃▂▁▁▁▂▂▂▁▁▁▁▂▁▁5754.23883.44093.53731.73620.33634.45055.45240.45477.55347.05336.15350.75550.76334.26241.56518.1276482.7096852.4746763.8956707.3966773.5156933.2496651.6796617.8917310.8727351.6863953.564194.6274406.4943671.1783534.1653528.9633518.3233671.6153573.1013556.7543357.5483478.9683287.223263.293561.8633499.1943501.444NANANA3315.082NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:AssetsCurrent ▆▅▅▅▅▄▄▄▄▃▄▄▃▅▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁█▁▁▁▁▁▁▁▁▁▁▂3356.03021.62905.62852.53226.62504.92553.82362.02232.42062.32385.12437.02127.12797.42038.11963.5741802.7591711.1871689.871370.7561320.61036.516996.468940.355940.575925.819947.968996.937998.4451042.981952.6564742.036946.051903.616829.528872.783919.009975.369842.771813.805912.085951.4171404.174NANANA655.096NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▄▄▄▄▄▃▃▃▃▂▃▃▂▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁█▁▁▁▁▂▂▁▁▁▁▂▁▁▁▁1928.01913.61746.31626.02038.11326.01501.21352.61192.21004.81208.71026.5834.51125.4802.1799.467770.024712.778787.161530.358410.538336.403320.686287.404274.702323.4313.492295.613282.959333.439293.5764040.353448.447441.706368.618382.312481.937471.258330.191177.506332.542362.823883.963371.878302.893352.887247.293NANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▇▇▇▆█▄▅▄▃▂▄▃▂▃▂▂▁▁▁2000.81993.31861.41730.22106.11400.31578.01448.31286.01099.71304.91293.3970.11278.9954.9954.7913.3858.3936.5NANANA462.9NANANA473.7NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent █▆▆▆▆▇▅▅▅▅▅▆▆▆▆▆▄▄▃▃▃▂▃▂▂▂▂▂▂▃▂▂▂▂▂▂▁▁▁▁▁▁▁739.6537.7511.6573.6585.2623.9462.2441.7459.5473.0459.0511.1506.9557.9513.6508.626322.06369.972308.369273.907285.422217.457227.354206.154212.919175.784198.714198.119174.612227.155151.084152.56130.861145.446136.971148.80799.181105.12100.971100.06399.82397.82980.961NANANA67.949NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent █▆▆▇▆▆▆▅▆▅█▇▇▇▇▆▇▅▅▄▆▃▂▂▂▂▂▃▃▂▃▄▁▁▁▂▁▂▃615.6490.6532.6548.7535.3480.7513.6472.0486.9471.2621.2564.4569.3571.2568.6499.241566.386477.665441.033415.836481.879341.791306.235282.068263.274269.181254.622316.164342.798265.057314.067365.792232.436232.11222.851270.541240.653279.518316.968NANANA145.599NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NoncurrentAssets NANA33931.2NANANA30581.1NANANA27923.3NANANA28522.7NANANA26862.549NANANA23796.105NANANA18533.23NANANA17602.649NANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:AR,amt:LatinAmericaPropertySegmentNANA111.9NANANA100.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:AU,amt:AsiaPacificPropertySegmentNANA20.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:BF,amt:AfricaPropertySegmentNANA315.7NANANA275.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:BR,amt:LatinAmericaPropertySegmentNANA1629.9NANANA2138.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:CA,amt:UnitedStatesAndCanadaPropertySegmentNANA373.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:CL,amt:LatinAmericaPropertySegmentNANA538.7NANANA437.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:CO,amt:LatinAmericaPropertySegmentNANA350.7NANANA375.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:CR,amt:LatinAmericaPropertySegmentNANA123.1NANANA124.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:DE,amt:EuropePropertySegmentNANA370.9NANANA357.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:FR,amt:EuropePropertySegmentNANA1176.5NANANA917.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:GH,amt:AfricaPropertySegmentNANA676.8NANANA671.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:IN,amt:AsiaPacificPropertySegmentNANA3482.3NANANA3708.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:KE,amt:AfricaPropertySegmentNANA730.0NANANA761.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:MX,amt:LatinAmericaPropertySegmentNANA1395.2NANANA1524.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:NE,amt:AfricaPropertySegmentNANA215.7NANANA199.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:NG,amt:AfricaPropertySegmentNANA663.7NANANA648.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:PE,amt:LatinAmericaPropertySegmentNANA380.4NANANA394.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:PL,amt:EuropePropertySegmentNANA2.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:PY,amt:LatinAmericaPropertySegmentNANA103.6NANANA111.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:UG,amt:AfricaPropertySegmentNANA867.3NANANA847.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:US,amt:UnitedStatesAndCanadaPropertySegmentNANA19977.8NANANA16578.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments country:ZA,amt:AfricaPropertySegmentNANA424.4NANANA409.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AmortizationOfIntangibleAssets ▄▄▄▃▃▃▃▃▃▃█▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁274.8253.4223.8215.1210.8217.5201.1197.9199.6192.7529.1207.4205.2202.4206.9203.6192.2183.2178.8183.9185.3151.8155.8154.4147.6110.5104.2103.3101.6102.6104.657.761.160.553.046.955.751.8NANANANANANANANANANANANA
us-gaap:Goodwill █▅▅▄▄▄▄▄▄▄▄▄▄▄▄▃▃▄▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁10575.47262.47282.75848.65822.45948.86178.35481.45557.85538.25501.95463.45526.65647.15638.45371.6795371.1655379.835070.684997.2244981.9194123.4014091.8054055.1714036.6423980.1744017.0823866.553854.9313737.6813729.9012815.2712832.3922898.6382912.0462763.7062714.7182767.5162805.2672673.6312779.1162669.9862490.295NANANA2250.538NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill █▆▆▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▃▃▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁18785.013507.313839.811517.311613.811600.612318.410895.810895.211042.811174.311481.711758.211940.211783.311580.99411728.66611826.88611274.61111557.96411590.6929813.999837.87610012.3979853.1999536.7826889.3316389.2276637.8826617.5246701.4593195.1063214.3833271.9813115.0532595.0592569.9992523.3542351.9552208.3872346.712440.3141985.352NANANA1594.625NANANA
us-gaap:FiniteLivedIntangibleAssetsNet █▆▆▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▃▃▃▃▃▁▂▂▁▁▁▁▁▁▁▁▁18785.013507.313839.811517.311613.811600.612318.410895.810895.211042.811174.311481.711758.211940.211783.311580.99411728.66611826.88611274.61111557.96411590.6929813.999837.8769925.1799761.4519461.1476813.4426310.3636562.6896538.6176624.5843117.7343146.8993202.0163065.5152543.722515.7742469.5282304.4232165.1082299.9752395.1281938.438NANANA1550.93NANANA
us-gaap:OperatingLeaseRightOfUseAsset █▇▇▇▆▆▇▆▆▆▁9193.27719.97789.27252.06934.16968.37357.47214.77110.07080.90.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▂▂▂▂▂▂▂▁▁▁▇███▇▇▇▇▆▆▆▆▅▆▅▆▄▄▃▃▃▃▃▃▃▃▃▃▃▂▇▆▆401.8394.1400.1315.2393.4407.0406.4248.9263.8279.1962.6978.31024.5990.3950.1931.483888.853863.353841.523813.931809.287753.939732.903788.781736.821778.115566.454528.84515.175453.602445.004452.584476.931482.53452.788522.16524.628480.198493.828336.082882.281849.339785.874NANANA651.864NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:AccountsPayableCurrent ▇▄▄▃▃▃▄▄▄▄▄▃▄▃▄▃▂▃▃▃▃▂▂▂▁▁▂▃▄▃▅▂▂▂▂▂▇█▇193.8130.1139.1117.0108.2120.6148.1136.2144.9130.0130.8122.9137.0118.7142.9119.745102.726109.424118.666105.551120.58694.05196.71499.5982.8572.51290.366111.001132.734115.726171.0590.84591.02186.76989.57887.38201.386226.283214.739NANANA67.124NANANANANANANA
us-gaap:AccruedIncomeTaxesCurrent ▄▃▃▇▄█▆▄▂▃▇▁▁▄▂▅▃▂▂▁█31.722.320.661.527.772.755.234.115.223.357.94.71.435.715.345.88720.8987.18111.5512.4870.49NA11.704NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccruedLiabilitiesCurrent █▇█▇▇▆▇▆▆▆▇▆▆▆▆▆▅▅▄▄▄▃▃▅▂▂▂▃▂▂▂▂▁▁▁▂▂▂▁1044.6944.81043.7914.1879.2876.4958.2856.7835.6863.7948.3863.1782.5825.4854.3774.072727.966742.5620.563571.989617.711437.546516.413743.256412.981392.45417.754436.711422.614400.449415.324331.311293.605263.187286.962334.034325.056336.094304.208NANANA222.685NANANANANANANA
us-gaap:ContractWithCustomerLiabilityCurrent █▇▄▂▄▄▁▁▂▁▁549.7506.5390.6324.4400.2408.5294.3302.9334.8293.0304.1NANANA268.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DividendsPayableCurrent ███▇▇▇▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▁▂▂▂▁▂▂▂▁582.7555.8544.6512.6493.4483.9455.0427.5413.0403.1377.4354.2344.9335.0304.4286.911277.772267.369250.55236.608227.594218.42210.027196.833187.987179.192159.864147.685139.837127.2860.575110.937107.053103.0950.18991.06386.99482.9070.0NANANANANANANANANANANA
us-gaap:LiabilitiesCurrent █▆▅▅█▇▇▆▇▆▆▆▆▆▄▃▅▄▂▂▂▂▂▂▂▃▃▃▃▂▁▁▁▁▁▁▁▂▁▂▂▁▁5952.14196.63655.53266.15944.95154.45487.74787.44821.64411.94689.94579.74562.94544.72512.12260.2363278.9113209.0581631.2691519.5531655.6311198.1561200.0291369.5081036.6281731.4141929.6921937.9182243.2461275.005924.758823.319781.04739.124632.178850.925906.493939.267779.5911371.3281309.883826.407542.195NANANA391.244NANANA
us-gaap:LongTermDebtCurrent ▆▄▃▃█▆▇▆▆▅▇▇▇▇▃▂▅▅▁▁▂▁▁▁▁▃▃▃▃▂▁▁▁▁▁▁▁▁▁2636.01336.5789.8771.33366.02640.02928.22443.62442.22097.22754.82841.32791.82803.2774.8687.3821732.0351707.33238.806242.992314.063137.85350.20245.85238.814789.152897.624960.4611225.992325.1770.13267.27657.3557.60360.031130.209127.867127.316101.816NANANA74.896NANANA70.521NANANA
us-gaap:OperatingLeaseLiabilityCurrent █▆▆▆▆▆▆▆▆▆▁723.5555.8539.9487.3494.3476.8494.5475.1496.9498.40.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent █▇▇▅▆▅▆▅▅▆▇▇▆▆▇▅▇▆▅▆▆▄▅▃▃▃▃▃▃▃▃▂▁▁▂406.4357.1378.1310.6340.5314.2347.0295.4301.3337.3360.5380.5349.7349.0370.7283.288368.261335.49282.646318.379318.742259.433303.663241.336219.118224.627219.34223.742214.717212.132229.05184.294154.936171.586188.168NANANA202.661NANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LongTermDebtAndCapitalLeaseObligations █▇▇▆▅▅▅▅▄▅▄▄▄▄▅▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁32947.627990.328497.724011.021849.221937.421127.219040.018615.919107.118405.118422.918322.018568.819430.318581.38117509.93717182.75418294.65918436.14418403.01316884.24217068.80716981.55616185.21114930.95213711.08412973.83512749.47114009.00714408.14612578.5328798.6048791.528693.3457359.3557337.5527161.1267134.4924970.5024919.0685387.7285512.492NANANA4141.06NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet █▃▃▂▂▂▂▁▁▁▁▂▂▂▃▃▃▃▂▂▂1993.9854.7859.5770.4804.2731.0768.3538.5546.2510.8535.9706.2752.2791.7898.1976.725950.299952.893777.572792.139745.936NA106.333NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest █▄▄▄▄▄▄▅▅▅▅▅▅▅▅▅▅▅▂▁▁▁▁▁▁▂▂▁▁▁▁▂▂▂▂▂▂▂▂▂▁▁▁1069.2455.5474.9457.4440.0430.2435.0554.7565.6553.3563.5578.0575.9607.1586.6591.506562.406532.366212.30566.88566.7166.96661.13966.31162.28679.95399.792-9.3131.6730.42755.87582.954101.544109.907111.08129.228128.642107.435122.92284.35137.9259.8223.114NANANA3.043NANANA
us-gaap:OtherLiabilitiesNoncurrent ▆▅▅▄▄▄▅▄▄▄█████▇▇▇▇▆▆▆▆▆▆▆▅▅▄▄▄▂▂▂▂▂▁▁▁▃▃▆▃1126.7961.6984.6869.2880.8901.0937.0870.9868.0864.41265.11288.41246.91246.01244.21190.4861171.5461186.7851142.7231068.1211058.4331093.6621065.6821079.9021049.7371043.1981028.382933.223889.975893.549822.758705.966688.334695.592643.701667.68599.766582.451562.146805.649739.5541035.598808.769NANANA669.502NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent █▇▇▇▆▆▇▇▇▇▁8036.06812.96884.46424.46086.86137.86510.46448.06335.46316.10.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo █▂▃▁1034.6842.7869.0818.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree █▂▃▁988.9805.2836.4788.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour █▁▃▁934.8759.8798.0753.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA751.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA6423.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:StockholdersEquity ▅▂▂▂▂▂▄▄▅▅▅▅▅▆▆▇▇▇▇▇▇▇▇▇██▂▃▃▂▁▁▁▂▂▂▁▁▁▁▂▁▁5754.23883.44093.53731.73620.33634.45055.45240.45477.55347.05336.15350.75550.76334.26241.56518.1276482.7096852.4746763.8956707.3966773.5156933.2496651.6796617.8917310.8727351.6863953.564194.6274406.4943671.1783534.1653528.9633518.3233671.6153573.1013556.7543357.5483478.9683287.223263.293561.8633499.1943501.444NANANA3315.082NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▇▃▃▂▂▂▅▅▆▅▅▅▆▇▇▇▇█▇▇▇▇▇▇██▂▂▃▂▁▁▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁6823.44338.94568.44189.14060.34064.65490.45795.16043.15900.35899.65928.76126.66941.36828.17109.6337045.1157384.846976.26774.2816840.2257000.2156712.8186684.2027373.1587431.6394053.3524185.3144408.1643701.6053590.043611.9173619.8673781.5223684.1813685.9823486.193586.4033410.1423347.6413599.7883509.0163504.5583453.653430.013457.8463318.125NANANA
us-gaap:CommonStockValue ▇▆▆▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁▁▁▁████4.74.64.64.54.54.54.54.54.54.54.54.54.54.54.44.3754.3724.3094.2994.2844.284.2734.2674.2634.264.2593.9953.9923.9883.9843.9763.9733.9693.9663.9593.9563.9523.9463.9364.8844.8774.8684.86NANANA4.797NANANA
us-gaap:AdditionalPaidInCapital █▆▆▆▆▆▆▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▂▂▂▁▁▁▁▁▁▁▁▁▁▅▅▅▅12019.810474.610473.710369.610297.810255.610117.710551.810492.710447.910380.810310.010251.910224.010247.510212.53510165.34310094.01710043.5599817.8159781.2239714.9529690.6099650.1299619.4069583.4985788.7865757.2335772.2695153.4025130.6165097.3255061.8145029.2615012.1244971.1814946.2554917.2554903.88665.8078630.7748589.3698577.093NANANA8393.643NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▆▅▄▅▆▆▇▆▅▅▅▆▆▆▆▇▇▆▆▆▆▇▇▇████▇▇▆▆▆▆▅▅▄▄▃▂▃▂▁-1085.0-1251.8-1343.0-1168.8-1125.1-1082.5-1016.8-1130.1-1206.2-1226.4-1199.5-1104.3-1121.6-1085.7-1058.1-975.158-989.153-1053.706-1076.965-1030.663-1033.324-967.718-998.535-995.932-876.607-822.545-837.32-854.579-911.163-1006.058-1081.467-1066.58-1135.851-1128.361-1196.907-1237.569-1378.518-1339.627-1477.899-1545.244-1529.543-1644.754-1736.596NANANA-2109.532NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▂▁▂▁▁▁▃▃▄▄▄▄▄▅▅▅▅▅▅▅▅▅▅▅▆▆▇▇▇▇▇▇▇██████████-3902.9-4061.6-3759.4-4191.2-4274.5-4271.7-2823.6-2979.0-2606.7-2672.2-2642.9-2696.3-2510.1-1834.6-1978.3-1839.029-1848.803-1759.489-1999.332-1876.374-1770.998-1610.592-1836.996-1832.903-1228.521-1205.86-794.221-504.339-250.92-272.41-311.22-298.015-274.256-158.043-183.347-164.081-203.303-97.682-142.617-87.0762.4754.41638.053NANANA-12.649NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedTranslationAdjustmentNANA-3800.0NANANA2800.0NANANA2600.0NANANA2000.0NANANA2000.0NANANA1837.3-1832.432-1227.188-1201.747-790.645-500.413-246.989-267.611-306.322-292.761-269.647-149.253-175.162NANANANANANANANANANANANANANANA
us-gaap:TreasuryStockValue ▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██▇▇1282.41282.41282.41282.41282.41271.51226.41206.81206.81206.81206.81163.21074.0974.0974.0884.61849.064432.731207.74207.74207.74207.74207.74207.74207.74207.74207.74207.74207.74207.74207.74207.74137.35375.20862.72816.73310.8384.9240.03775.0873606.7153504.7053381.966NANANA2961.177NANANA
us-gaap:MinorityInterest █▄▄▄▄▄▄▅▅▅▅▅▅▅▅▅▅▅▂▁▁▁▁▁▁▂▂▁▁▁▁▂▂▂▂▂▂▂▂▂▁▁▁1069.2455.5474.9457.4440.0430.2435.0554.7565.6553.3563.5578.0575.9607.1586.6591.506562.406532.366212.30566.88566.7166.96661.13966.31162.28679.95399.792-9.3131.6730.42755.87582.954101.544109.907111.08129.228128.642107.435122.92284.35137.9259.8223.114NANANA3.043NANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues 2361.8NANANANANANANANANANANANANANANANANANANANANA0.00.0-0.0631338.0090.0-0.221NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders █▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁214.90.37.00.20.21.513.50.50.30.314.00.50.20.313.4820.250.2140.3540.2570.2310.2410.2750.2160.2220.2970.1370.1360.1390.1370.1540.1370.1370.1370.1620.1390.1360.1280.1770.1260.1230.1240.1340.1250.1230.0790.272NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▆▆▄▅▃▅▄▅▂█▂▄▂▂▁▃▁951.91092.71132.3960.3988.8800.0993.7937.21036.6785.11263.2753.3940.0791.8789.0663.8794.6678.2NANANA563.512NANANA509.93NANANANANANANA394.036297.844353.672360.858402.017315.944290.66275.522283.816246.358258.223262.747253.649NANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁█▅███▆██████▇▇██▇██▇█-9066.9-438.7-3814.0-331.8-385.4-253.4-2586.7-810.1-267.4-323.3-694.4-212.1-562.4-1280.6-1290.4-296.0-294.2-920.3-316.098-242.801-1357.885-185.516NA-1124.837-830.021-5249.419NANANANANANANA-376.628-1384.119-407.357-475.613-291.296-1231.181-502.344-382.757-674.53-441.742-572.25-136.23-150.68NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities █▁▄▁▂▁▃▂▁▁▁▂▁▂▂▂▁▂8067.0-480.02734.7-1012.699.2-606.01696.372.8-597.0-650.4-573.4-222.7-628.9817.3500.9-323.3-448.5157.9NANANA-366.064NANANA4760.127NANANANANANANA34.6291058.271-58.195142.8527.441081.8361.64580.146-137.526710.372374.821-177.5132.65NANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▄▄▁█▂▄▄▅▂▄▆▁▆▃▄▄▃7.5131.9131.2-375.9705.8-177.7129.7162.3186.3-205.211.6323.2-308.8324.00.241.455.0-78.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▆▆▄▅▃▅▄▅▂█▂▄▂▂▁▃▁951.91092.71132.3960.3988.8800.0993.7937.21036.6785.11263.2753.3940.0791.8789.0663.8794.6678.2NANANA563.512NANANA509.93NANANANANANANA394.036297.844353.672360.858402.017315.944290.66275.522283.816246.358258.223262.747253.649NANANANA
us-gaap:NetIncomeLoss 746.3NA365.1464.4446.1415.0562.7498.6429.1397.4277.6366.9306.7285.2238.5317.268367.051316.08229.207264.509187.55275.159232.702102.999156.056193.317180.387207.593234.431202.49999.982180.12399.821171.407135.679232.08948.209221.306205.11-15.701115.21191.84283.51493.43999.66596.31864.3567.35556.28958.601
us-gaap:ProfitLoss █▇▄▅▅▅▆▆▅▅▄▅▄▄▃▄▅▄▃▄▃▄▃▂▃▃▃▃▃▃▂▃▂▃▂▃▁▃▃▁▂▂▂▂▂▂747.9652.3361.6462.9448.4418.6569.4505.3434.3407.6292.7377.3314.4280.3194.8334.684388.49307.41232.853263.735192.464281.307221.59597.74157.18195.492181.597206.63221.659193.31373.925163.22284.113160.948118.153231.82533.689210.358196.434-19.726113.17191.96183.70393.60199.81996.483NANANANA
us-gaap:ShareBasedCompensation ▅▆▃▃▄█▃▃▃▇▄▇▄▇▃▄▄▆▃▃▃▄▂▂▃▅▂▂▂▄▂▂▂▃▁▁▁▁▁▁▁▁▁▁▁▁31.938.021.824.127.247.723.523.521.942.526.243.824.842.722.07724.46325.73836.22219.68620.22621.90728.07918.28618.34524.04529.86118.44518.26918.83524.60414.98315.05817.05521.04212.32913.05813.55113.04511.25212.1411.68712.35812.40913.35313.22813.565NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁█▅███▆██████▇▇██▇██▇█-9066.9-438.7-3814.0-331.8-385.4-253.4-2586.7-810.1-267.4-323.3-694.4-212.1-562.4-1280.6-1290.4-296.0-294.2-920.3-316.098-242.801-1357.885-185.516NA-1124.837-830.021-5249.419NANANANANANANA-376.628-1384.119-407.357-475.613-291.296-1231.181-502.344-382.757-674.53-441.742-572.25-136.23-150.68NANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▁█277.9324.8NANA210.5214.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsToAcquireProductiveAssets NANA402.4243.9210.5214.4314.3260.3243.5220.8334.8185.5226.4198.5280.433183.455203.374168.138226.213155.747165.205154.222210.735206.896151.938159.184251.051257.106252.356213.891276.283167.644156.7123.905191.022150.624105.37121.032125.927160.508138.67997.901118.18495.9777.45355.057NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities █▁▄▁▂▁▃▂▁▁▁▂▁▂▂▂▁▂8067.0-480.02734.7-1012.699.2-606.01696.372.8-597.0-650.4-573.4-222.7-628.9817.3500.9-323.3-448.5157.9NANANA-366.064NANANA4760.127NANANANANANANA34.6291058.271-58.195142.8527.441081.8361.64580.146-137.526710.372374.821-177.5132.65NANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities,us-gaap:CreditFacility,us-gaap:DebtInstrument srt:ParentCompany,us-gaap:RevolvingCreditFacility,amt:A2019MulticurrencyCreditFacilityNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities,us-gaap:DebtInstrument,us-gaap:LongtermDebtType srt:Subsidiaries,amt:OtherSubsidiaryDebt,us-gaap:UnsecuredDebtNANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsOfDividendsCommonStock ██▇▇▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▃▃▁▄▂▂▁▃▂551.5544.9506.4488.0478.9454.9420.8407.1398.0377.1348.4339.5331.3304.3283.478274.617264.469250.436234.15225.402216.58209.984194.84186.246177.729152.037142.718134.644126.7150.554224.976106.727102.9840.0185.75886.935NANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock NANA0.00.016.339.719.60.00.00.051.682.698.60.096.6128.366494.151147.1730.00.00.00.0NANANANA0.00.00.00.00.070.38762.14512.4829.2926.2596.51220.66546.304159.515103.86127.72380.166149.921141.69558.836NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4700000.04600000.04600000.04500000.04500000.04500000.04500000.04500000.04500000.04500000.04500000.04500000.04500000.04500000.04400000.04375000.04372000.04309000.04299000.04284000.04280000.04273000.04267000.04263000.04260000.04259000.03995000.03992000.03988000.03984000.03976000.03973000.03969000.03966000.03959000.03956000.03952000.03946000.03936000.04884000.04877000.04868000.04860000.04797000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.1

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312012-09-302011-12-312011-09-302010-12-31
Value465455455455454454453453452452451451450450437437437430429428428427426426426425399397395395393488486
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312012-09-302011-12-312011-09-302010-12-31
Value101010-10.915-10.915-10.864-10.651-10.557-10.557-10.557-10.557-10.255-9.631-8.909-8.909-8.266564-8.0099644.6839422.810026-2.810026-2.810026-2.810026-2.810026-2.810026-2.810026-2.810026-2.810026-2.810026-0.872005-0.2526910.0-94.966678-87.379718
Percentage of SharesOutstanding2.32.42.4-2.4-2.4-2.4-2.3-2.3-2.3-2.3-2.3-2.3-2.1-2.0-2.0-1.9-1.81.10.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.2-0.10.0-19.4-18.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4654554554550.4544760.454196453453452452451451450450437437437430429428428427426426426425399399398398397397396396395395395394393488487486486479
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4554444444440.4435610.443332442442442441441440441441428429429426427425425424423423423423396396396395394394395395395395395394393393395397398401
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value452446446445445445445444444444438432430430429429427427426409400399399398399399399398398395400401403405406
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value450444443443443442442441440441435429427427425424424423423405396395395394395395395394393395396397400402402
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:RestrictedStockUnitsRSU


Antidilutive
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value0.0030.00.00.0860.00.0010.1050.0030.0040.1180.00.00.1590.00.00.1520.00.00.0030.00.0030.00.0140.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.00.00.0100.00.0100.0100.0100.0100.0100.00.00.0100.00.00.0100.00.00.0100.00.0100.00.0100.00.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value1.661.450.821.051.010.941.271.130.970.90.630.830.690.630.510.70.810.680.480.560.380.590.490.180.310.450.430.50.580.510.250.460.250.430.340.590.120.560.52-0.040.290.230.210.230.250.240.160.170.140.15
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value1.651.450.821.041.00.931.261.120.960.890.620.830.690.630.510.690.80.670.470.550.370.580.480.180.30.450.420.50.580.510.250.450.250.430.340.580.120.560.52-0.040.290.230.210.230.250.240.160.170.140.15
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value905342796547443-1033.1718126494368331180-368.8428993272775559715927501228-501.383133-218.322-109.495-45.82625524186156-16.392196116271-57.412266149-165.241123108
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax503.9241.60.0416.2377.6-875.537.392.026.220.315.510.1-20.724.65.819.516.734.46.310.51.938.917.9-40.511.4-20.2-10.5-4.424.824.59.219.4-2.024.515.238.0-8.238.222.9-26.220.619.2

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value866328882577454-924.973297508420380128-451.2416873473336017317114507220-502.19115-238.024-110.154-47.58621921659137-34.81818794269-79.354247134-169.266121108
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax482.6231.60.0439.1386.9-783.838.171.226.923.217.87.2-25.323.95.120.720.137.24.711.31.039.417.2-40.69.9-22.1-10.5-4.621.322.06.417.1-4.323.412.237.8-11.435.520.6-26.920.319.3

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

us-gaap:CostOfGoodsAndServicesSold

us-gaap:Service


Cost
Period End2021-06-302021-03-312020-06-302020-03-312018-12-312018-09-302017-12-312017-09-30
Value24119.77.99.9139.58.6
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.77.88.36.70.50.80.60.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service0.00.00.00.00.00.00.00.0

Cost Of Revenue

us-gaap:CostOfRevenue us-gaap:ConsolidationItems

us-gaap:CostOfRevenue

us-gaap:OperatingSegments


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value647574561539551559562542
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax360.7404.7427.0459.4467.0407.429.829.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.00.00.00.00.0

us-gaap:CostOfRevenue us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, amt:NetworkDevelopmentServices


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2411109.47.6111310
Percentage of CostOfRevenue3.81.91.81.71.42.12.41.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.77.87.88.06.48.50.70.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:NetworkDevelopmentServices0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:Property


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value623563551529543547549532
Percentage of CostOfRevenue96.298.198.298.398.697.997.698.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax347.0397.0419.2451.4460.6398.829.129.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:Property0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAfrica


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value8580746977515353
Percentage of CostOfRevenue13.214.113.212.914.19.29.59.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax47.757.056.359.465.837.72.83.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAfrica0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAsia


Cost
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value175167158164177188178
Percentage of CostOfRevenue30.629.729.429.831.833.532.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax123.7127.0135.1139.0129.610.09.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAsia0.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAsiaPacific


Cost
Period End2021-06-302020-06-30
Value183158
Percentage of CostOfRevenue28.429.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax102.3135.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAsiaPacific0.00.0

us-gaap:OperatingSegments, amt:PropertyEurope


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value297.87.76.86.66.97.26.2
Percentage of CostOfRevenue4.61.41.41.31.21.21.31.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.65.55.95.85.65.00.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyEurope0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyLatinAmerica


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1121019592105103103103
Percentage of CostOfRevenue17.317.617.017.119.118.518.419.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax62.471.372.678.789.275.55.55.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyLatinAmerica0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyUS


Cost
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value197207202190207196191
Percentage of CostOfRevenue34.536.937.534.537.134.935.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax139.5157.5172.4161.0151.110.410.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyUS0.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyUSAndCanada


Cost
Period End2021-06-302020-06-30
Value211202
Percentage of CostOfRevenue32.737.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax117.9172.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyUSAndCanada0.00.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value144913291448122712211256126212251205119817431218123413381375111910851084105010351009837877836784659700653628630649499496503489417427422405402371344344299281275
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax807.2937.10.0933.01040.61064.765.6892.463.866.181.868.269.376.980.766.665.367.168.268.470.064.968.667.666.861.166.962.961.064.168.961.861.362.763.758.661.260.662.163.862.261.262.958.459.860.6

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302021-03-312020-12-312020-07-062020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.0-25.70.0-37.2-37.20.0-34.60.00.0-22.1-0.1-3.30.00.00.0-0.303-14.183-0.274-55.440.3380.00.830.0-0.8130.0-75.068-3.725-4.922.969-1.284-0.238-0.7340.0-2.669-35.2980.00.00.0-0.3980.00.00.00.0-1.8510.0-0.035
Percentage of GainsLossesOnExtinguishmentOfDebt0.0100.00.0100.0100.00.0100.00.00.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.0100.00.00.00.00.0100.00.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-18.10.00.0-28.30.0-29.30.00.0-1.2-0.0-0.20.00.00.0-0.0-0.8-0.0-3.40.00.00.10.0-0.10.0-6.4-0.3-0.50.3-0.1-0.0-0.10.0-0.3-4.40.00.00.0-0.10.00.00.00.0-0.30.0-0.0

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

amt:InsiteAcquisition, amt:InsiteDebt


Gains
Period End2021-01-15
Value25
Percentage of GainsLossesOnExtinguishmentOfDebt0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:InsiteAcquisition amt:InsiteDebt0.0

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

amt:InsiteAcquisition, amt:InsiteDebt, us-gaap:SubsequentEvent


Gains
Period End2021-01-15
Value24
Percentage of GainsLossesOnExtinguishmentOfDebt0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:InsiteAcquisition amt:InsiteDebt us-gaap:SubsequentEvent0.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Gains
Period End2020-07-06
Value-37.2
Percentage of GainsLossesOnExtinguishmentOfDebt100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SubsequentEvent0.0

Gross Profit

us-gaap:GrossProfit us-gaap:ConsolidationItems

us-gaap:GrossProfit

us-gaap:OperatingSegments


Gross
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value16511584145113731442139413261270
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax919.31116.41102.61170.11222.01015.570.270.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.00.00.00.00.0

us-gaap:GrossProfit us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, amt:NetworkDevelopmentServices


Gross
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value4117151012202717
Percentage of GrossProfit2.51.11.00.80.91.52.01.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.012.511.58.910.414.81.41.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:NetworkDevelopmentServices0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:Property


Gross
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value16091566143513631429137412991253
Percentage of GrossProfit97.598.999.099.299.198.598.098.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax896.31103.91091.11161.21211.61000.768.869.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:Property0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAfrica


Gross
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value162154145136147968890
Percentage of GrossProfit9.89.810.19.910.26.96.67.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax90.4109.1110.9116.1125.370.34.75.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAfrica0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAsia


Gross
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value105138112122134132110
Percentage of GrossProfit6.79.58.28.59.710.08.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax74.6104.996.0103.998.07.06.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAsia0.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAsiaPacific


Gross
Period End2021-06-302020-06-30
Value114112
Percentage of GrossProfit6.98.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.796.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAsiaPacific0.00.0

us-gaap:OperatingSegments, amt:PropertyEurope


Gross
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value5736312727262627
Percentage of GrossProfit3.52.32.12.01.91.92.02.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.225.923.623.823.619.21.41.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyEurope0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyLatinAmerica


Gross
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value253235205201231228242229
Percentage of GrossProfit15.414.914.214.716.116.418.218.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax141.1166.0156.5171.5196.2166.112.812.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyLatinAmerica0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyUS


Gross
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1033915885899888810795
Percentage of GrossProfit65.263.164.462.463.761.162.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax728.3695.3753.9762.6647.142.943.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyUS0.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyUSAndCanada


Gross
Period End2021-06-302020-06-30
Value1021885
Percentage of GrossProfit61.964.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax568.8753.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyUSAndCanada0.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value820702502459439542463441
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax457.0495.1381.6391.4372.6394.824.624.4

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value725058391121-100.5362934-95.4123.9-31.1-53.4553323266022432925941323121021173615-11.4471943132327-36.90124657153703028
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.535.40.029.99.517.9-5.226.71.61.9-4.50.70.2-1.8-3.12.01.41.74.01.53.02.32.07.61.22.21.21.02.11.83.81.9-1.42.45.61.83.43.9-5.63.911.012.79.713.86.56.2

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value565.8601832353633413688301924482737232421311926100151416161619286.0193.6113401513-0.8975.101201413
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.44.10.014.027.729.71.924.12.22.04.21.71.11.42.91.62.21.41.61.42.21.52.18.11.31.41.61.61.61.93.00.70.41.75.32.22.0-0.10.83.32.52.4

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value213207196190197208200201204207208209207190188187183190181159149148147147143146143139106100111104102100958577747468625658
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax119.0145.90.0145.1168.4176.910.4146.610.811.49.811.711.711.211.211.211.412.612.612.412.112.613.714.113.814.214.614.813.212.513.913.514.314.413.713.012.312.513.212.512.311.912.9

Interest Expense Long Term Debt

us-gaap:InterestExpenseLongTermDebt us-gaap:BusinessAcquisition, us-gaap:DebtInstrument

us-gaap:InterestExpenseLongTermDebt

amt:InsiteAcquisition, amt:InsiteDebt


Interest
Period End2021-01-15
Value2300000.0
Percentage of InterestExpenseLongTermDebt100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:InsiteAcquisition amt:InsiteDebt0.0

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

amt:InsiteAcquisition, amt:InsiteDebt, us-gaap:SubsequentEvent


Interest
Period End2021-01-15
Value2300000.0
Percentage of InterestExpenseLongTermDebt100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:InsiteAcquisition amt:InsiteDebt us-gaap:SubsequentEvent0.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value149239118248133262128202170249148258153228
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.4168.50.0188.6113.5222.06.7147.39.013.77.014.58.613.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value746365464446415562498429397277366306285238317367316229264187275232102156193180207234202991809917113523248221205-15.701115918393999664675658
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax415.50.0352.9380.0351.729.3363.122.721.913.020.517.216.414.018.922.119.614.917.513.021.318.28.313.317.917.220.022.720.610.622.312.321.417.732.56.931.831.4-2.519.316.315.218.221.221.214.415.213.314.3

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.67.3-3.5-1.52.33.66.76.75.21015107.7-4.9-43.6851721-8.673.646-0.7744.9146.148-11.107-5.2591.1242.1751.21-0.963-12.772-9.186-26.057-16.901-15.708-10.459-17.526-0.264-14.52-10.948-8.676-4.025-2.040.1190.1890.1620.1540.165
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.95.10.0-1.12.03.10.34.90.30.60.70.60.4-0.3-2.61.01.3-0.50.2-0.10.30.5-0.9-0.40.10.20.1-0.1-1.2-0.9-2.8-2.1-1.9-1.3-2.3-0.0-2.1-1.6-1.3-0.6-0.30.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value746645365464446415562498429397277366306275219298344289202237160248205761291831681992302029918099171
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax415.5454.50.0352.9380.0351.729.3363.122.721.913.020.517.215.812.917.820.717.913.115.711.119.316.16.211.017.016.119.322.320.610.622.312.321.4

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302020-06-302014-09-302013-09-30
Value746446199180
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax415.5380.019.322.3

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-28500000.0-126100000.0-254600000.0-282900000.0-231800000.0-297100000.0-192400000.0-186300000.0-220000000.0-173300000.0-191600000.0-177400000.0-227700000.0-153700000.0-187600000.0-193060000.0-164440000.0-197210000.0-195610000.0-193300000.0-196830000.0-141420000.0-154640000.0-208950000.0-218640000.0-200600000.0-151750000.0-167750000.0-159040000.0-142680000.0-182820000.0-130070000.0-240150000.0-119520000.0-117900000.0-50675000.0-212990000.0-36858000.0-88216000.0-223350000.0-46752000.0-54917000.0-66655000.0-49129000.0-58549000.0-54020000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-15.9-88.90.0-215.0-197.4-251.8-10.0-135.7-11.6-9.6-9.0-9.9-12.8-8.8-11.0-11.5-9.9-12.2-12.7-12.8-13.6-11.0-12.1-16.9-18.6-18.6-14.5-16.2-15.4-14.5-19.4-16.1-29.7-14.9-15.3-7.1-30.5-5.3-13.5-35.4-7.8-9.8-12.2-9.6-12.5-11.9

Operating Costs And Expenses

us-gaap:OperatingCostsAndExpenses us-gaap:ProductOrService

us-gaap:OperatingCostsAndExpenses

us-gaap:Service


Operating
Period End2020-09-302020-06-302019-09-302019-06-30
Value109.71113
Percentage of OperatingCostsAndExpenses100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.08.38.70.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service0.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value849828674785691736661728683614388567546402329561576531489479432451402400389419345384402353292308312299279295270274247228225218203213188178176179166150
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax472.8584.00.0596.6588.8624.434.4530.436.233.918.231.830.723.119.333.434.732.931.831.630.035.131.432.433.238.933.137.139.035.931.138.238.737.336.341.438.839.437.936.237.838.837.141.640.239.439.440.339.336.8

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value15251485133912541314127012211153
Percentage of OperatingIncomeLoss179.6179.3170.6181.5178.4174.4178.6187.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax849.11047.11018.01068.91114.2925.164.663.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, amt:NetworkDevelopmentServices


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value3713108.38.8162513
Percentage of OperatingIncomeLoss4.41.61.41.21.22.33.72.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.79.68.37.17.512.31.30.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:NetworkDevelopmentServices0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:Property


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value14871472132812461305125311961139
Percentage of OperatingIncomeLoss175.2177.7169.3180.3177.2172.1174.9185.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax828.41037.51009.71061.81106.7912.763.362.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:Property0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAfrica


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value144135127115130827477
Percentage of OperatingIncomeLoss17.116.416.216.717.711.410.812.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax80.695.896.898.4110.860.33.94.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAfrica0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAsia


Operating
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value98114799010111584
Percentage of OperatingIncomeLoss11.914.511.512.213.916.813.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax69.686.667.576.373.96.14.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAsia0.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAsiaPacific


Operating
Period End2021-06-302020-06-30
Value9079
Percentage of OperatingIncomeLoss10.611.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax50.367.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAsiaPacific0.00.0

us-gaap:OperatingSegments, amt:PropertyEurope


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value5031252322202022
Percentage of OperatingIncomeLoss5.93.83.33.33.02.83.03.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.822.019.519.719.014.91.11.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyEurope0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyLatinAmerica


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value223212185181204204218202
Percentage of OperatingIncomeLoss26.325.623.626.227.828.131.932.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax124.4149.5140.6154.2173.6149.011.611.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyLatinAmerica0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyUS


Operating
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value994876847857843768753
Percentage of OperatingIncomeLoss120.0111.7122.6116.4115.9112.4122.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax700.6666.2722.1727.0614.640.741.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyUS0.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyUSAndCanada


Operating
Period End2021-06-302020-06-30
Value979847
Percentage of OperatingIncomeLoss115.3122.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax545.2722.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyUSAndCanada0.00.0

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value118-323.75211155.8-1343.5162-407.6741287-248.5-766.257-107.61612-54.461293-159.537-91.608-177.966226-1.162-600.798-44.029-432.961-292.039-254.239-3.10422-14.477-24.66-123.36927-22.0338-112.04836
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax66.1-228.10.087.44.9-1138.68.5-296.93.90.74.1-13.9-43.03.3-6.30.7-3.318.2-10.4-6.0-12.317.6-0.1-48.5-3.7-40.1-27.9-24.5-0.32.3-1.5-3.1-15.33.4-2.95.4-16.15.3

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value118-323.75211155.8-1343.5162-407.5741287-248.5-765.6136-107.73112-54.659293-159.737-92.148-178.032226-0.91-599.93-41.206-433.516-291.751-254.216-2.10822-14.09-25.311-118.93126-24.12738-113.04337
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax66.2-228.10.087.44.9-1138.68.5-296.83.90.74.1-13.9-43.07.8-6.30.8-3.318.2-10.4-6.1-12.317.6-0.1-48.5-3.5-40.2-27.9-24.5-0.22.3-1.5-3.1-14.73.4-3.15.3-16.25.3

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value17795-70.0-64.5-42.5-63.8-2.02.8-5.1219.721-34.827-8.67-1.1141129-21.896-12.26-25.84212-11.669-66.659-2.129-54.503-7.835-34.019-16.463-3.743-58.509-29.622-141.6622-18.83246-118.62352-7.265-150.8762113-1.5988.236-6.7190.396
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax98.967.10.0-49.0-36.2-54.1-0.12.0-0.31.20.51.2-2.01.6-0.5-0.10.71.8-1.4-0.8-1.80.9-0.9-5.4-0.2-5.1-0.7-3.3-1.6-0.4-6.2-3.7-17.52.8-2.56.5-17.07.6-1.1-23.93.62.4-0.31.6-1.40.1

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value74765236146244841856950543440729237731428019433438830723226319228122197157195181206221193731638416011823133210196-19.7261139183939996
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax416.4459.70.0351.7381.9354.729.6368.023.022.513.721.117.716.111.419.923.419.015.117.413.321.817.37.913.418.117.419.921.519.67.820.210.420.115.432.54.830.230.1-3.118.916.315.318.221.221.2

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value1791411281311171181923137188918132131178517801741170416801662161615391514144212891280123711741079104610381031984941807808802768713697696653630597562547513469454447444423408
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

amt:NonLeasePropertyRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value11311310510697981091059997268250246225
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.379.782.280.883.183.15.776.75.35.412.614.013.813.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.379.782.280.883.183.15.776.75.35.412.614.013.813.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:NonLeasePropertyRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:ServicesRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6528222519191532402728333131
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.720.317.819.216.916.90.823.32.21.51.31.91.81.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.720.317.819.216.916.90.823.32.21.51.31.91.81.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:ServicesRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:StatementGeographical

amt:NonLeasePropertyRevenue, amt:PropertyAfrica


Revenue
Period End2021-06-302020-06-30
Value6.33.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.52.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.52.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:NonLeasePropertyRevenue amt:PropertyAfrica100.0100.0

amt:NonLeasePropertyRevenue, amt:PropertyAsiaPacific


Revenue
Period End2021-06-302020-06-30
Value1.72.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.92.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.92.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:NonLeasePropertyRevenue amt:PropertyAsiaPacific100.0100.0

amt:NonLeasePropertyRevenue, amt:PropertyEurope


Revenue
Period End2021-06-302020-06-30
Value1.71.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:NonLeasePropertyRevenue amt:PropertyEurope100.0100.0

amt:NonLeasePropertyRevenue, amt:PropertyLatinAmerica


Revenue
Period End2021-06-302020-06-30
Value3328
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.924.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.924.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:NonLeasePropertyRevenue amt:PropertyLatinAmerica100.0100.0

amt:NonLeasePropertyRevenue, amt:PropertyUSAndCanada


Revenue
Period End2021-06-302020-06-30
Value7062
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.053.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.053.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:NonLeasePropertyRevenue amt:PropertyUSAndCanada100.0100.0

amt:NonLeasePropertyRevenue, country:US


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7262586966605869666967
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.753.249.73.648.63.23.23.33.73.93.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.753.249.73.648.63.23.23.33.73.93.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:NonLeasePropertyRevenue country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:NonLeasePropertyRevenue, srt:Africa


Revenue
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.93.63.02.91.51.00.70.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.52.72.62.50.10.70.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.52.72.62.50.10.70.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:NonLeasePropertyRevenue srt:Africa100.0100.0100.0100.0100.0100.0100.0100.0

amt:NonLeasePropertyRevenue, srt:Asia


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.32.32.22.12.22.12.41261211.51.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.72.01.90.11.60.10.15.96.80.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.72.01.90.11.60.10.15.96.80.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:NonLeasePropertyRevenue srt:Asia100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:NonLeasePropertyRevenue, srt:AsiaPacific


Revenue
Period End2021-03-312020-03-31
Value2.52.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.81.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.81.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:NonLeasePropertyRevenue srt:AsiaPacific100.0100.0

amt:NonLeasePropertyRevenue, srt:Europe


Revenue
Period End2021-03-312020-03-31
Value2.21.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:NonLeasePropertyRevenue srt:Europe100.0100.0

amt:NonLeasePropertyRevenue, srt:LatinAmerica


Revenue
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value312628323434343534272423
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.520.324.127.91.824.81.81.91.61.51.41.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.520.324.127.91.824.81.81.91.61.51.41.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:NonLeasePropertyRevenue srt:LatinAmerica100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:NonLeasePropertyRevenue, srt:NorthAmerica


Revenue
Period End2021-03-312020-03-31
Value7158
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax50.549.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax50.549.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:NonLeasePropertyRevenue srt:NorthAmerica100.0100.0

amt:NonLeasePropertyRevenue, us-gaap:EMEA


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.71.61.52.31.91.638343335
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.41.31.70.10.11.81.91.92.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.41.31.70.10.11.81.91.92.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:NonLeasePropertyRevenue us-gaap:EMEA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:ServicesRevenue, amt:PropertyUSAndCanada


Revenue
Period End2021-06-302020-06-30
Value6519
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.716.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.716.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:ServicesRevenue amt:PropertyUSAndCanada100.0100.0

amt:ServicesRevenue, country:US


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2519191532402728333131
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.216.916.90.823.32.21.51.31.91.81.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.216.916.90.823.32.21.51.31.91.81.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:ServicesRevenue country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:ServicesRevenue, srt:NorthAmerica


Revenue
Period End2021-03-312020-03-31
Value2819
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.316.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.316.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:ServicesRevenue srt:NorthAmerica100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

amt:PropertyAfrica


Revenue
Period End2021-06-302020-06-30
Value6.33.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.52.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.52.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:PropertyAfrica100.0100.0

amt:PropertyAsiaPacific


Revenue
Period End2021-06-302020-06-30
Value1.72.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.92.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.92.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:PropertyAsiaPacific100.0100.0

amt:PropertyEurope


Revenue
Period End2021-06-302020-06-30
Value1.71.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:PropertyEurope100.0100.0

amt:PropertyLatinAmerica


Revenue
Period End2021-06-302020-06-30
Value3328
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.924.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.924.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:PropertyLatinAmerica100.0100.0

amt:PropertyUSAndCanada


Revenue
Period End2021-06-302020-06-30
Value13682
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax75.770.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax75.770.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:PropertyUSAndCanada100.0100.0

country:US


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9782788498104710131004991988962
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax73.970.066.54.471.955.555.947.155.555.555.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax73.970.066.54.471.955.555.947.155.555.555.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Africa


Revenue
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.93.63.02.91.51.00.70.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.52.72.62.50.10.70.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.52.72.62.50.10.70.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Africa100.0100.0100.0100.0100.0100.0100.0100.0

srt:Asia


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.32.32.22.12.2321288636323307273
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.72.01.90.11.617.015.929.918.117.315.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.72.01.90.11.617.015.929.918.117.315.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Asia100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific


Revenue
Period End2021-03-312020-03-31
Value2.52.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.81.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.81.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific100.0100.0

srt:Europe


Revenue
Period End2021-03-312020-03-31
Value2.21.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Europe100.0100.0

srt:LatinAmerica


Revenue
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value312628323434345333311304317331
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.520.324.127.91.824.818.318.414.617.017.819.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.520.324.127.91.824.818.318.414.617.017.819.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:LatinAmerica100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:NorthAmerica


Revenue
Period End2021-03-312020-03-31
Value10078
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax70.866.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax70.866.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NorthAmerica100.0100.0

us-gaap:EMEA


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.71.61.52.3175177179166166174
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.41.31.79.39.88.49.39.410.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.41.31.79.39.88.49.39.410.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value22982158212220121913199319231953188918132131178517801741170416801662161615391514144212891280123711741079104610381031984941807808802768713697696653630597562547513469454447444423408
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1280.01521.11649.21529.61629.51689.1100.01422.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2298215821222012191319931923195318891813
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1280.01521.11649.21529.61629.51689.1100.01422.9100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, amt:NetworkDevelopmentServices


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value652822251919153240272833313126252422181616212825201716272523181119252815
Percentage of Revenues2.91.31.11.31.01.00.81.62.21.51.31.91.81.81.51.51.51.41.21.11.11.72.32.01.71.61.62.62.52.41.91.42.43.23.72.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.720.317.819.216.916.90.823.32.21.51.31.91.81.81.51.51.51.41.21.11.11.72.32.01.71.61.62.62.52.41.91.42.43.23.72.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:NetworkDevelopmentServices0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:Property


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value22332129209919871893197319081921184817862103175117491710167816551638159415211497142612671251121211541062
Percentage of Revenues97.198.798.998.799.099.099.298.497.898.598.798.198.298.298.598.598.598.698.898.998.998.397.798.098.398.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1243.31500.81631.41510.31612.61672.299.21399.697.898.598.798.198.298.298.598.598.598.698.898.998.998.397.798.098.398.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:Property0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAfrica


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value248235220206225148141144
Percentage of Revenues10.810.910.910.811.37.67.57.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax138.1166.1167.2175.5191.1107.97.57.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAfrica0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAsia


Revenuesus-gaap:
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value281305271286312321288
Percentage of Revenues13.015.214.214.416.017.015.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax198.3231.9231.1242.9227.617.015.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAsia0.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAsiaPacific


Revenuesus-gaap:
Period End2021-06-302020-06-30
Value298271
Percentage of Revenues13.014.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax166.0231.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAsiaPacific0.00.0

us-gaap:OperatingSegments, amt:PropertyEurope


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value8744383434333333
Percentage of Revenues3.82.11.91.81.71.71.81.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.931.429.429.629.224.31.81.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyEurope0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyLatinAmerica


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value365336301293336331345333
Percentage of Revenues15.915.615.015.416.917.018.318.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax203.6237.3229.0250.2285.3241.618.318.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyLatinAmerica0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyUS


Revenuesus-gaap:
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value123111221087108910951007986
Percentage of Revenues57.055.856.854.756.153.354.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax867.7852.8926.3923.6798.253.354.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyUS0.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyUSAndCanada


Revenuesus-gaap:
Period End2021-06-302020-06-30
Value12331087
Percentage of Revenues53.756.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax686.7926.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyUSAndCanada0.00.0

us-gaap:Revenues us-gaap:ProductOrService

amt:PropertyRevenue


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value223321292099198718931973190819211848178621031751
Percentage of Revenues97.198.798.998.799.099.099.298.497.898.598.798.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1243.31500.81631.41510.31612.61672.299.21399.697.898.598.798.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:PropertyRevenue0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Service


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value65282519193240
Percentage of Revenues2.91.31.31.01.01.62.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.720.319.216.916.923.32.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service0.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:StatementGeographical

amt:PropertyAfrica


Revenuesus-gaap:
Period End2021-06-302020-06-30
Value248206
Percentage of Revenues10.810.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax138.1175.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:PropertyAfrica3936.56866.7

amt:PropertyAsiaPacific


Revenuesus-gaap:
Period End2021-06-302020-06-30
Value298271
Percentage of Revenues13.014.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax166.0231.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:PropertyAsiaPacific17541.211795.7

amt:PropertyEurope


Revenuesus-gaap:
Period End2021-06-302020-06-30
Value8734
Percentage of Revenues3.81.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.929.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:PropertyEurope5164.72168.8

amt:PropertyLatinAmerica


Revenuesus-gaap:
Period End2021-06-302020-06-30
Value365293
Percentage of Revenues15.915.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax203.6250.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:PropertyLatinAmerica1078.51037.8

amt:PropertyUSAndCanada


Revenuesus-gaap:
Period End2021-06-302020-06-30
Value12991107
Percentage of Revenues56.557.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax723.4943.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax amt:PropertyUSAndCanada955.41347.1

country:US


Revenuesus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value11471107110911141127104710131004991988962
Percentage of Revenues57.057.955.757.957.755.555.947.155.555.555.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax872.0943.2940.557.9821.555.555.947.155.555.555.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US1179.41347.11413.81315.91142.8100.0100.0100.0100.0100.0100.0

srt:Africa


Revenuesus-gaap:
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value235220206225150148141144
Percentage of Revenues10.910.910.811.37.87.67.57.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax166.1167.2175.5191.17.8107.97.57.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Africa4810.26111.16866.77775.910020.014820.020200.018000.0

srt:Asia


Revenuesus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value305271286294312321288636323307273
Percentage of Revenues15.214.214.415.316.017.015.929.918.117.315.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax231.9231.1242.915.3227.617.015.929.918.117.315.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Asia13269.611795.713027.314023.814204.5100.0100.0100.0100.0100.0100.0

srt:AsiaPacific


Revenuesus-gaap:
Period End2021-03-312020-03-31
Value281286
Percentage of Revenues13.014.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax198.3242.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific11256.013027.3

srt:Europe


Revenuesus-gaap:
Period End2021-03-312020-03-31
Value4434
Percentage of Revenues2.11.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.429.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Europe2027.32300.0

srt:LatinAmerica


Revenuesus-gaap:
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value336301293336330331345333311304317331
Percentage of Revenues15.615.015.416.917.217.018.318.414.617.017.819.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax237.3229.0250.2285.317.2241.618.318.414.617.017.819.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:LatinAmerica1055.51128.81037.81023.4962.4972.7100.0100.0100.0100.0100.0100.0

srt:NorthAmerica


Revenuesus-gaap:
Period End2021-03-312020-03-31
Value12601109
Percentage of Revenues58.455.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax888.0940.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NorthAmerica1255.11413.8

us-gaap:EMEA


Revenuesus-gaap:
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3834341813333179166166174
Percentage of Revenues1.91.81.79.31.81.88.49.39.410.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.429.629.2132.21.81.88.49.39.410.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA2276.52168.82300.07891.319.218.9100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value207182196176188217179187164198192177157204171147153164138131138135143114116123129108981101169799101898176797376726665575353
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax115.4128.7152.5133.7160.6184.69.3136.98.710.99.010.08.911.810.08.89.210.29.08.79.610.511.29.39.911.412.310.59.511.212.412.112.312.611.611.411.011.411.312.112.111.811.911.211.411.8

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Selling
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value4946414343403738
Percentage of SellingGeneralAndAdministrativeExpense23.825.323.523.020.121.722.919.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.432.631.436.937.029.72.02.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments


Selling
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value12698111118127124105117
Percentage of SellingGeneralAndAdministrativeExpense60.853.963.263.058.466.164.159.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax70.269.384.6101.2107.990.55.66.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, amt:NetworkDevelopmentServices


Selling
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value4.14.24.22.13.53.42.03.4
Percentage of SellingGeneralAndAdministrativeExpense2.02.32.41.11.61.81.21.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.33.03.21.83.02.50.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:NetworkDevelopmentServices0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:Property


Selling
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value12194107116123120103114
Percentage of SellingGeneralAndAdministrativeExpense58.851.660.961.956.864.362.957.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax67.966.481.499.4104.988.05.56.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:Property0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAfrica


Selling
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1718182017131313
Percentage of SellingGeneralAndAdministrativeExpense8.410.410.511.07.97.38.46.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.713.314.117.714.510.00.70.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAfrica0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAsia


Selling
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value7.1243332331726
Percentage of SellingGeneralAndAdministrativeExpense3.913.717.815.017.610.713.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.018.328.527.624.10.91.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAsia0.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyAsiaPacific


Selling
Period End2021-06-302020-06-30
Value2433
Percentage of SellingGeneralAndAdministrativeExpense11.617.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.428.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyAsiaPacific0.00.0

us-gaap:OperatingSegments, amt:PropertyEurope


Selling
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value7.95.65.34.85.56.06.15.2
Percentage of SellingGeneralAndAdministrativeExpense3.83.13.02.52.53.23.72.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.43.94.04.14.74.40.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyEurope0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyLatinAmerica


Selling
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value3023202026232327
Percentage of SellingGeneralAndAdministrativeExpense14.512.811.910.812.212.514.414.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.716.415.917.322.517.11.31.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyLatinAmerica0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyUS


Selling
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value39383742444241
Percentage of SellingGeneralAndAdministrativeExpense21.521.819.819.323.725.621.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.729.131.835.632.42.22.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyUS0.00.00.00.00.00.00.0

us-gaap:OperatingSegments, amt:PropertyUSAndCanada


Selling
Period End2021-06-302020-06-30
Value4237
Percentage of SellingGeneralAndAdministrativeExpense20.519.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.631.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments amt:PropertyUSAndCanada0.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value589824694247233414624151540789428013930739072389263301033077332053437233214323193213832057308793065530740270642690426926264692593021331205962084720417202721818114339144631408912961127091263812232108951097310758103688519
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5054674524291008483470517321350280
Percentage of Assets0.91.01.01.02.41.21.11.30.80.90.9
Percentage of Assets0.91.01.01.02.41.21.11.30.80.90.9
Percentage of Assets us-gaap:MaterialReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, amt:AfricaPropertySegment


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value489447111929
Percentage of Assets10.411.05.8
Percentage of Assets10.411.05.8
Percentage of Assets us-gaap:OperatingSegments amt:AfricaPropertySegment100.0100.0100.0

us-gaap:OperatingSegments, amt:AsiaPacificPropertySegment


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value519153074938
Percentage of Assets11.012.415.0
Percentage of Assets11.012.415.0
Percentage of Assets us-gaap:OperatingSegments amt:AsiaPacificPropertySegment100.0100.0100.0

us-gaap:OperatingSegments, amt:EuropePropertySegment


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value186815351438
Percentage of Assets4.03.64.4
Percentage of Assets4.03.64.4
Percentage of Assets us-gaap:OperatingSegments amt:EuropePropertySegment100.0100.0100.0

us-gaap:OperatingSegments, amt:LatinAmericaPropertySegment


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value743481255594
Percentage of Assets15.719.016.9
Percentage of Assets15.719.016.9
Percentage of Assets us-gaap:OperatingSegments amt:LatinAmericaPropertySegment100.0100.0100.0

us-gaap:OperatingSegments, amt:NetworkDevelopmentServices


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value885938352929265555434650454742474349486062616870716757405865474948666333
Percentage of Assets0.20.10.10.10.10.10.10.10.10.10.10.20.10.10.10.10.10.20.20.20.20.20.30.30.30.30.30.20.30.30.20.30.30.50.50.3
Percentage of Assets0.20.10.10.10.10.10.10.10.10.10.10.20.10.10.10.10.10.20.20.20.20.20.30.30.30.30.30.20.30.30.20.30.30.50.50.3
Percentage of Assets us-gaap:OperatingSegments amt:NetworkDevelopmentServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, amt:Property


Assetsus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value5838846415409974047840276387333869538532327083292734119320193181531778304563046226805267032622225750
Percentage of Assets99.098.998.997.598.798.599.099.098.999.299.399.199.099.199.399.199.099.299.199.3
Percentage of Assets99.098.998.997.598.798.599.099.098.999.299.399.199.099.199.399.199.099.299.199.3
Percentage of Assets us-gaap:OperatingSegments amt:Property100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, amt:PropertyAfrica


Assetsus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value50314905464545994510213421782085
Percentage of Assets8.510.411.211.111.15.45.65.4
Percentage of Assets8.510.411.211.111.15.45.65.4
Percentage of Assets us-gaap:OperatingSegments amt:PropertyAfrica100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, amt:PropertyAsia


Assetsus-gaap:
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value5214514250194986532454865427
Percentage of Assets11.112.412.112.213.514.013.9
Percentage of Assets11.112.412.112.213.514.013.9
Percentage of Assets us-gaap:OperatingSegments amt:PropertyAsia100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, amt:PropertyAsiaPacific


Assetsus-gaap:
Period End2021-06-302020-06-30
Value51405019
Percentage of Assets8.712.1
Percentage of Assets8.712.1
Percentage of Assets us-gaap:OperatingSegments amt:PropertyAsiaPacific100.0100.0

us-gaap:OperatingSegments, amt:PropertyEurope


Assetsus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value115661836174316091554149115691552
Percentage of Assets19.63.94.23.93.83.84.04.0
Percentage of Assets19.63.94.23.93.83.84.04.0
Percentage of Assets us-gaap:OperatingSegments amt:PropertyEurope100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, amt:PropertyLatinAmerica


Assetsus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value92407127685568326739712974697306
Percentage of Assets15.715.216.516.516.518.119.118.8
Percentage of Assets15.715.216.516.516.518.119.118.8
Percentage of Assets us-gaap:OperatingSegments amt:PropertyLatinAmerica100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, amt:PropertyUS


Assetsus-gaap:
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value27331226102241622486226532199122160
Percentage of Assets58.254.554.055.157.656.356.9
Percentage of Assets58.254.554.055.157.656.356.9
Percentage of Assets us-gaap:OperatingSegments amt:PropertyUS100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, amt:PropertyUSAndCanada


Assetsus-gaap:
Period End2021-06-302020-06-30
Value2740922416
Percentage of Assets46.554.0
Percentage of Assets46.554.0
Percentage of Assets us-gaap:OperatingSegments amt:PropertyUSAndCanada100.0100.0

us-gaap:OperatingSegments, amt:UnitedStatesAndCanadaPropertySegment


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value273522262418782
Percentage of Assets57.952.956.9
Percentage of Assets57.952.956.9
Percentage of Assets us-gaap:OperatingSegments amt:UnitedStatesAndCanadaPropertySegment100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5195042390424533671836913361833621432937324393243726106261932606926366252602406223937235422281122781228142006420191202421909618498172781641116439167151668214569107191068210404927592239051882275477373724968635201
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets88.190.389.988.688.988.784.683.883.083.379.179.278.576.776.174.574.573.473.974.374.274.175.075.272.171.381.079.778.981.982.380.174.873.973.971.672.671.672.169.367.267.466.261.1

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value589824694247233414624151540789428013930739072389263301033077332053437233214323193213832057308793065530740270642690426926264692593021331205962084720417202721818114339144631408912961127091263812232108951097310758103688519
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value57543883409337313620363450555240547753475336535055506334624165186482685267636707677369336651661773107351395341944406367135343528351836713573355633573478328732633561349935013315
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.88.38.79.08.78.911.813.314.013.716.216.216.718.418.820.220.221.421.921.922.025.624.724.627.628.418.520.421.118.017.419.424.525.425.427.426.427.526.930.032.532.533.838.9

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3356302129052852322625042553236222322062238524372127279720381963180217111689137013201036996940940925947996998104295247429469038298729199758428139129511404655
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.76.46.26.97.86.16.06.05.75.37.27.46.48.16.16.15.65.35.54.54.33.83.73.53.63.64.44.84.85.14.726.16.66.25.96.77.27.76.97.58.38.813.57.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1928191317461626203813261501135211921004120810268341125802799770712787530410336320287274323313295282333293404044844136838248147133017733236288337130235224714333
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.34.13.73.94.93.33.53.43.12.63.73.12.53.32.42.52.42.22.51.71.31.21.21.11.01.21.51.41.41.61.422.23.13.12.62.93.83.72.71.63.03.48.50.00.00.02.90.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value2000199318611730210614001578144812861099130412939701278954954913858936462473
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.44.23.94.25.13.43.73.73.32.84.03.92.93.72.93.02.82.73.01.72.2

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value7395375115735856234624414594734595115065575135083223693082732852172272062121751981981742271511521301451361489910510010099978067
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.11.11.41.41.51.11.11.21.21.41.51.51.61.51.61.01.21.00.90.90.80.80.80.80.70.91.00.81.10.70.80.91.01.01.10.80.80.80.90.90.90.80.8

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value615490532548535480513472486471621564569571568499566477441415481341306282263269254316342265314365232232222270240279316145
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.01.11.31.31.21.21.21.21.21.91.71.71.71.71.51.81.51.41.41.61.31.11.01.01.01.21.51.61.31.52.01.61.61.62.11.92.22.61.4

us-gaap:PrepaidExpenseAndOtherAssetsCurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

amt:NonLeaseRevenue


Prepaid
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-01
Value218.310.0107.71031341317379
Percentage of PrepaidExpenseAndOtherAssetsCurrent4.11.62.12.11.616.623.823.012.80.0
Percentage of Assets0.00.00.00.00.00.30.40.40.20.0
Percentage of Assets amt:NonLeaseRevenue0.00.00.00.00.00.00.00.00.00.0

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value3393130581279232852226862237961853317602
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets71.871.484.685.987.088.486.986.8

us-gaap:NoncurrentAssets us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

country:AR, amt:LatinAmericaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value111100
Percentage of NoncurrentAssets0.30.3
Percentage of Assets0.20.2
Percentage of Assets country:AR amt:LatinAmericaPropertySegment0.00.0

country:AU, amt:AsiaPacificPropertySegment


Noncurrent
Period End2020-12-31
Value20
Percentage of NoncurrentAssets0.1
Percentage of Assets0.0
Percentage of Assets country:AU amt:AsiaPacificPropertySegment0.0

country:BF, amt:AfricaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value315275
Percentage of NoncurrentAssets0.90.9
Percentage of Assets0.70.6
Percentage of Assets country:BF amt:AfricaPropertySegment0.00.0

country:BR, amt:LatinAmericaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value16292138
Percentage of NoncurrentAssets4.87.0
Percentage of Assets3.55.0
Percentage of Assets country:BR amt:LatinAmericaPropertySegment0.00.0

country:CA, amt:UnitedStatesAndCanadaPropertySegment


Noncurrent
Period End2020-12-31
Value373
Percentage of NoncurrentAssets1.1
Percentage of Assets0.8
Percentage of Assets country:CA amt:UnitedStatesAndCanadaPropertySegment0.0

country:CL, amt:LatinAmericaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value538437
Percentage of NoncurrentAssets1.61.4
Percentage of Assets1.11.0
Percentage of Assets country:CL amt:LatinAmericaPropertySegment0.00.0

country:CO, amt:LatinAmericaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value350375
Percentage of NoncurrentAssets1.01.2
Percentage of Assets0.70.9
Percentage of Assets country:CO amt:LatinAmericaPropertySegment0.00.0

country:CR, amt:LatinAmericaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value123124
Percentage of NoncurrentAssets0.40.4
Percentage of Assets0.30.3
Percentage of Assets country:CR amt:LatinAmericaPropertySegment0.00.0

country:DE, amt:EuropePropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value370357
Percentage of NoncurrentAssets1.11.2
Percentage of Assets0.80.8
Percentage of Assets country:DE amt:EuropePropertySegment0.00.0

country:FR, amt:EuropePropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value1176917
Percentage of NoncurrentAssets3.53.0
Percentage of Assets2.52.1
Percentage of Assets country:FR amt:EuropePropertySegment0.00.0

country:GH, amt:AfricaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value676671
Percentage of NoncurrentAssets2.02.2
Percentage of Assets1.41.6
Percentage of Assets country:GH amt:AfricaPropertySegment0.00.0

country:IN, amt:AsiaPacificPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value34823708
Percentage of NoncurrentAssets10.312.1
Percentage of Assets7.48.7
Percentage of Assets country:IN amt:AsiaPacificPropertySegment0.00.0

country:KE, amt:AfricaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value730761
Percentage of NoncurrentAssets2.22.5
Percentage of Assets1.51.8
Percentage of Assets country:KE amt:AfricaPropertySegment0.00.0

country:MX, amt:LatinAmericaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value13951524
Percentage of NoncurrentAssets4.15.0
Percentage of Assets3.03.6
Percentage of Assets country:MX amt:LatinAmericaPropertySegment0.00.0

country:NE, amt:AfricaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value215199
Percentage of NoncurrentAssets0.60.7
Percentage of Assets0.50.5
Percentage of Assets country:NE amt:AfricaPropertySegment0.00.0

country:NG, amt:AfricaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value663648
Percentage of NoncurrentAssets2.02.1
Percentage of Assets1.41.5
Percentage of Assets country:NG amt:AfricaPropertySegment0.00.0

country:PE, amt:LatinAmericaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value380394
Percentage of NoncurrentAssets1.11.3
Percentage of Assets0.80.9
Percentage of Assets country:PE amt:LatinAmericaPropertySegment0.00.0

country:PL, amt:EuropePropertySegment


Noncurrent
Period End2020-12-31
Value2.9
Percentage of NoncurrentAssets0.0
Percentage of Assets0.0
Percentage of Assets country:PL amt:EuropePropertySegment0.0

country:PY, amt:LatinAmericaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value103111
Percentage of NoncurrentAssets0.30.4
Percentage of Assets0.20.3
Percentage of Assets country:PY amt:LatinAmericaPropertySegment0.00.0

country:UG, amt:AfricaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value867847
Percentage of NoncurrentAssets2.62.8
Percentage of Assets1.82.0
Percentage of Assets country:UG amt:AfricaPropertySegment0.00.0

country:US, amt:UnitedStatesAndCanadaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value1997716578
Percentage of NoncurrentAssets58.954.2
Percentage of Assets42.338.7
Percentage of Assets country:US amt:UnitedStatesAndCanadaPropertySegment0.00.0

country:ZA, amt:AfricaPropertySegment


Noncurrent
Period End2020-12-312019-12-31
Value424409
Percentage of NoncurrentAssets1.31.3
Percentage of Assets0.91.0
Percentage of Assets country:ZA amt:AfricaPropertySegment0.00.0

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value27425322321521021720119719919252920720520220620319218317818318515115515414711010410310110210457616053465551
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value1057572627282584858225948617854815557553855015463552656475638537153715379507049974981412340914055403639804017386638543737372928152832289829122763271427672805267327792669249022502186
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.915.515.414.114.014.614.413.914.214.216.716.516.616.417.016.616.716.816.416.316.215.215.215.115.315.318.818.818.518.318.415.519.820.020.721.321.421.922.924.525.324.824.026.40.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value187851350713839115171161311600123181089510895110421117411481117581194011783115801172811826112741155711590981398371001298539536688963896637661767013195321432713115259525692523235122082346244019851594
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.828.829.327.828.028.428.827.727.928.433.934.735.434.735.535.836.536.936.537.737.736.336.637.237.236.832.331.031.832.433.117.622.422.622.120.020.220.019.220.321.422.719.118.7

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value18785135071383911517116131160012318108951089511042111741148111758119401178311580117281182611274115571159098139837992597619461681363106562653866243117314632023065254325152469230421652299239519381550
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.828.829.327.828.028.428.827.727.928.433.934.735.434.735.535.836.536.936.537.737.736.336.636.936.936.531.930.631.532.032.717.121.922.121.819.619.819.518.819.921.022.318.718.2

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

amt:AcquiredLicensesAndOtherIntangibles


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8884888585868884899089664150503129312324252422222832393.7753.944.2184.2864.4375.05.1435.2445.3225.6294.7474.8941.251.6541.5851.6171.638
Percentage of FiniteLivedIntangibleAssetsNet0.50.60.60.70.70.70.70.80.80.80.80.60.40.40.40.30.20.30.20.20.20.20.20.20.30.30.60.10.10.10.10.10.20.20.20.20.20.20.20.10.10.10.10.1
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.30.20.10.10.20.10.10.10.10.10.10.10.10.10.10.10.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets amt:AcquiredLicensesAndOtherIntangibles0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

amt:AcquiredNetworkLocation


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value41913580366629913029302832302969296830173075317132593338333333913449348833423397341329102927295127852730161115081568154115749639761014975937977905842747821857697553
Percentage of FiniteLivedIntangibleAssetsNet22.326.526.526.026.126.126.227.327.227.327.527.627.728.028.329.329.429.529.629.429.529.729.829.728.528.923.723.923.923.623.830.931.031.731.836.938.936.736.634.535.735.836.035.7
Percentage of Assets7.17.67.87.27.37.47.57.67.67.89.39.69.89.710.010.510.710.910.811.111.110.810.911.010.510.57.67.37.57.57.85.36.87.06.97.27.77.26.96.97.58.06.76.5
Percentage of Assets amt:AcquiredNetworkLocation0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value14505984210085844084988485899978417837793480098244845485488396815482468303790681278142686868766940693566865149478449764978503121352150216620861585151815431523119012431294985701
Percentage of FiniteLivedIntangibleAssetsNet77.272.972.973.373.273.173.172.071.971.971.771.871.971.671.370.470.370.270.170.370.270.069.969.971.170.775.675.875.876.176.068.568.367.768.162.360.362.566.155.054.154.150.845.2
Percentage of Assets24.621.021.420.420.520.821.020.020.120.424.324.925.524.925.325.225.725.925.626.526.525.425.625.826.225.824.123.223.924.424.811.715.015.014.812.211.912.212.510.911.312.09.58.2
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value91937719778972526934696873577214711070800.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets15.616.416.517.516.717.117.218.418.218.20.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4013944003153934074062482632799629781024990950931888863841813809753732788736778566528515453445452476482452522524480493336882849785651
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.80.80.80.91.00.90.60.70.72.93.03.12.92.92.92.82.72.72.72.62.82.72.92.83.02.72.62.52.22.22.53.33.33.24.04.13.84.03.18.07.97.67.7

us-gaap:OtherAssetsNoncurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

amt:NonLeaseRevenue


Other
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-01
Value23212621212222222324
Percentage of OtherAssetsNoncurrent5.95.210.48.07.62.32.22.22.40.0
Percentage of Assets0.10.00.10.10.10.10.10.10.10.0
Percentage of Assets amt:NonLeaseRevenue0.00.00.00.00.00.00.00.00.00.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value193130139117108120148136144130130122137118142119102109118105120949699827290111132115171909186898720122621467
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.30.30.30.40.30.40.40.40.30.40.40.30.30.40.30.40.30.40.40.30.30.40.50.60.60.80.50.60.60.60.71.61.81.80.6

us-gaap:AccountsPayableCurrent amt:AssetAcquisition

amt:OrangeS.A.


Accounts
Period End2020-12-31
Value58
Percentage of AccountsPayableCurrent42.3
Percentage of Assets0.1
Percentage of Assets amt:OrangeS.A.0.0

us-gaap:AccountsPayableCurrent amt:AssetAcquisition, us-gaap:PropertyPlantAndEquipmentByType

amt:OtherAcquisitions2021, amt:CommunicationSites


Accounts
Period End2021-03-31
Value4.0
Percentage of AccountsPayableCurrent3.1
Percentage of Assets0.0
Percentage of Assets amt:OtherAcquisitions2021 amt:CommunicationSites0.0

us-gaap:AccountsPayableCurrent us-gaap:AssetAcquisition, us-gaap:PropertyPlantAndEquipmentByType

amt:OtherAcquisitions2021, amt:CommunicationSites


Accounts
Period End2021-06-30
Value6.5
Percentage of AccountsPayableCurrent3.4
Percentage of Assets0.0
Percentage of Assets amt:OtherAcquisitions2021 amt:CommunicationSites0.0

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value31222061277255341523574.71.4351545207.181112.487011
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.00.00.10.10.20.10.10.00.10.20.00.00.10.00.10.10.00.00.00.20.0

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value10449441043914879876958856835863948863782825854774727742620571617437516743412392417436422400415331293263286334325336304222
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.82.02.22.22.12.12.22.22.12.22.92.62.42.42.62.42.32.32.01.92.01.61.92.81.61.52.02.12.02.02.01.82.01.82.02.62.62.72.52.1

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value549506390324400408294302334293304268
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.10.80.81.01.00.70.80.90.80.90.8

Dividends Payable Current

us-gaap:DividendsPayableCurrent

us-gaap:DividendsPayableCurrent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value5825555445124934834554274134033773543443353042862772672502362272182101961871791591471391270.5751101071030.1899186820.0
Percentage of DividendsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.01.21.21.21.21.21.11.11.11.01.11.11.01.00.90.90.90.80.80.80.70.80.80.70.70.70.70.70.70.60.00.60.70.70.00.70.70.70.0

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value59524196365532665944515454874787482144114689457945624544251222603278320916311519165511981200136910361731192919372243127592482378173963285090693977913711309826542391
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.18.97.77.914.312.612.812.212.311.314.213.813.713.27.67.010.210.05.35.05.44.44.55.13.96.79.09.410.86.24.64.55.45.14.56.67.17.46.412.611.97.75.24.6

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value26361336789771336626402928244324422097275428412791280377468717321707238242314137504538789897960122532570675757601301271271017470
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.52.81.71.98.16.56.86.26.35.48.38.68.48.22.32.15.45.30.80.81.00.50.20.20.13.04.24.75.91.60.30.40.40.40.41.01.01.00.80.70.8

us-gaap:LongTermDebtCurrent us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

srt:ParentCompany, amt:A2250SeniorNotesDue2022, us-gaap:SeniorNotes


Long
Period End2021-06-30
Value600
Percentage of LongTermDebtCurrent22.8
Percentage of Assets1.0
Percentage of Assets srt:ParentCompany amt:A2250SeniorNotesDue2022 us-gaap:SeniorNotes0.0

srt:ParentCompany, amt:A470SeniorNotesDue2022, us-gaap:SeniorNotes


Long
Period End2021-06-30
Value700
Percentage of LongTermDebtCurrent26.6
Percentage of Assets1.2
Percentage of Assets srt:ParentCompany amt:A470SeniorNotesDue2022 us-gaap:SeniorNotes0.0

srt:ParentCompany, amt:FourPointSevenZeroPercentSeniorNotes, us-gaap:SeniorNotes


Long
Period End2021-03-31
Value700
Percentage of LongTermDebtCurrent52.4
Percentage of Assets1.5
Percentage of Assets srt:ParentCompany amt:FourPointSevenZeroPercentSeniorNotes us-gaap:SeniorNotes0.0

srt:ParentCompany, amt:TwoPointTwoFiveZeroPercentSeniorNotes, us-gaap:SeniorNotes


Long
Period End2021-03-31
Value600
Percentage of LongTermDebtCurrent44.9
Percentage of Assets1.3
Percentage of Assets srt:ParentCompany amt:TwoPointTwoFiveZeroPercentSeniorNotes us-gaap:SeniorNotes0.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value7235555394874944764944754964980.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.21.21.11.21.21.21.21.21.31.30.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value406357378310340314347295301337360380349349370283368335282318318259303241219224219223214212229184154171188202
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.80.80.70.80.80.80.80.80.91.11.21.11.01.10.91.11.00.91.01.01.01.10.90.80.91.01.11.01.01.11.01.11.21.31.7

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3294727990284972401121849219372112719040186151910718405184221832218568194301858117509171821829418436184031688417068169811618514930137111297312749140091440812578879887918693735973377161713449704919538755124141
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets55.959.660.357.952.653.849.448.447.649.155.855.755.254.058.557.554.553.659.260.159.962.463.463.161.157.664.363.061.268.671.169.261.460.861.756.857.756.758.345.644.850.153.248.6

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value1993854859770804731768538546510535706752791898976950952777792745106
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.41.81.81.91.91.81.81.41.41.31.62.12.32.32.73.03.03.02.52.62.40.4

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value10694554744574404304355545655535635785756075865915625322126666666166627999-9.3131.6730558210110911112912810712284379.8223.1143.043
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.01.01.11.11.11.01.41.41.41.71.71.71.81.81.81.71.70.70.20.20.20.20.20.20.30.5-0.00.00.10.30.50.70.80.81.01.00.91.00.80.30.10.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1126961984869880901937870868864126512881246124612441190117111861142106810581093106510791049104310289338898938227056886956436675995825628057391035808669
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.92.02.12.12.12.22.22.22.22.23.83.93.83.63.73.73.63.73.73.53.44.04.04.04.04.04.84.54.34.44.13.94.84.84.65.24.74.64.67.46.79.67.87.9

us-gaap:OtherLiabilitiesNoncurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

amt:NonLeaseRevenue


Other
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-01
Value432796860545455566568
Percentage of OtherLiabilitiesNoncurrent43.98.47.97.06.34.34.34.55.20.0
Percentage of Assets0.90.20.20.20.10.20.20.20.20.0
Percentage of Assets amt:NonLeaseRevenue0.00.00.00.00.00.00.00.00.00.0

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value80366812688464246086613765106448633563160.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets13.614.514.615.514.715.015.216.416.216.20.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value1034842869818
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets1.81.81.82.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value988805836788
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets1.71.71.81.9

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value934759798753
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets1.61.61.71.8

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value751
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets1.6

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value6423
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets13.6

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value8759736874246911658166147004692368326814
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.915.715.716.715.916.216.417.617.517.5

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value12200104581057910206
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets20.722.322.424.6

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value3440308931553295
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets5.86.66.77.9

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value57543883409337313620363450555240547753475336535055506334624165186482685267636707677369336651661773107351395341944406367135343528351836713573355633573478328732633561349935013315
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.88.38.79.08.78.911.813.314.013.716.216.216.718.418.820.220.221.421.921.922.025.624.724.627.628.418.520.421.118.017.419.424.525.425.427.426.427.526.930.032.532.533.838.9

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value6823433845684189406040645490579560435900589959286126694168287109704573846976677468407000671266847373743140534185440837013590361136193781368436853486358634103347359935093504345334303457331829943025
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.69.29.710.19.810.012.814.715.515.217.917.918.520.220.622.021.923.022.622.122.325.925.024.827.928.719.020.321.118.117.719.925.226.126.128.427.428.427.930.732.832.633.80.00.00.038.90.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-3902.9-4061.6-3759.4-4191.2-4274.5-4271.7-2823.6-2979.0-2606.7-2672.2-2642.9-2696.3-2510.1-1834.6-1978.3-1839.029-1848.803-1759.489-1999.332-1876.374-1770.998-1610.592-1836.996-1832.903-1228.521-1205.86-794.221-504.339-250.92-272.41-311.22-298.015-274.256-158.043-183.347-164.081-203.303-97.682-142.617-87.0762543824-9.82928-12.649-20.031-3.626
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-57.2-93.6-82.3-100.1-105.3-105.1-51.4-51.4-43.1-45.3-44.8-45.5-41.0-26.4-29.0-25.9-26.2-23.8-28.7-27.7-25.9-23.0-27.4-27.4-16.7-16.2-19.6-12.1-5.7-7.4-8.7-8.3-7.6-4.2-5.0-4.5-5.8-2.7-4.2-2.61.71.61.10.7-0.30.8-0.4-0.7-0.1
Percentage of Assets-6.6-8.7-8.0-10.1-10.3-10.5-6.6-7.6-6.7-6.9-8.0-8.2-7.6-5.3-6.0-5.7-5.8-5.5-6.5-6.1-5.8-6.0-6.8-6.8-4.6-4.7-3.7-2.4-1.2-1.3-1.5-1.6-1.9-1.1-1.3-1.3-1.6-0.8-1.2-0.80.60.50.40.00.00.0-0.10.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value12019104741047310369102971025510117105511049210447103801031010251102241024710212101651009410043981797819714969096509619958357885757577251535130509750615029501249714946491749038665863085898577854885038447839381097772
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest176.2241.4229.3247.5253.6252.3184.3182.1173.6177.1176.0173.9167.3147.3150.1143.6144.3136.7144.0144.9143.0138.8144.4144.4130.5129.0142.8137.6130.9139.2142.9141.1139.8133.0136.0134.9141.9137.1143.8258.9239.8244.8244.7247.5247.9244.3253.0270.8256.9
Percentage of Assets20.422.322.225.024.825.123.626.826.926.831.431.230.929.730.931.631.631.532.532.031.835.936.035.836.337.027.128.027.725.225.328.035.334.835.638.438.938.940.179.578.679.882.70.00.00.098.50.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value4.74.64.64.54.54.54.54.54.54.54.54.54.54.54.44.3754.3724.3094.2994.2844.284.2734.2674.2634.264.2593.9953.9923.9883.9843.9763.9733.9693.9663.9593.9563.9523.9463.9364.8844.8774.8684.864.8554.8454.834.7974.6854.527
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value10694554744574404304355545655535635785756075865915625322126666666166627999-9.3131.6730558210110911112912810712284379.8223.1143.053.0112.9363.0433.1573.342
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest15.710.510.410.910.810.67.99.69.49.49.69.79.48.78.68.38.07.23.01.01.01.00.91.00.81.12.5-0.20.00.81.62.32.82.93.03.53.73.03.62.51.10.30.10.10.10.10.10.10.1
Percentage of Assets1.81.01.01.11.11.11.01.41.41.41.71.71.71.81.81.81.71.70.70.20.20.20.20.20.20.30.5-0.00.00.10.30.50.70.80.81.01.00.91.00.80.30.10.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-1085.0-1251.8-1343.0-1168.8-1125.1-1082.5-1016.8-1130.1-1206.2-1226.4-1199.5-1104.3-1121.6-1085.7-1058.1-975.158-989.153-1053.706-1076.965-1030.663-1033.324-967.718-998.535-995.932-876.607-822.545-837.32-854.579-911.163-1006.058-1081.467-1066.58-1135.851-1128.361-1196.907-1237.569-1378.518-1339.627-1477.899-1545.244-1529.543-1644.754-1736.596-1820.11-1913.549-2013.214-2109.532-2356.127-2703.373
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-15.9-28.9-29.4-27.9-27.7-26.6-18.5-19.5-20.0-20.8-20.3-18.6-18.3-15.6-15.5-13.7-14.0-14.3-15.4-15.2-15.1-13.8-14.9-14.9-11.9-11.1-20.7-20.4-20.7-27.2-30.1-29.5-31.4-29.8-32.5-33.6-39.5-37.4-43.3-46.2-42.5-46.9-49.6-52.7-55.8-58.2-63.6-78.7-89.4
Percentage of Assets-1.8-2.7-2.8-2.8-2.7-2.7-2.4-2.9-3.1-3.2-3.6-3.3-3.4-3.2-3.2-3.0-3.1-3.3-3.5-3.4-3.4-3.6-3.7-3.7-3.3-3.2-3.9-4.1-4.4-4.9-5.3-5.9-7.9-7.8-8.5-9.5-10.8-10.6-12.1-14.2-13.9-15.3-16.70.00.00.0-24.80.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-1282.4-1282.4-1282.4-1282.4-1282.4-1271.5-1226.4-1206.8-1206.8-1206.8-1206.8-1163.2-1074.0-974.0-974.0-884.61-849.064-432.731-207.74-207.74-207.74-207.74-207.74-207.74-207.74-207.74-207.74-207.74-207.74-207.74-207.74-207.74-137.353-75.208-62.728-16.733-10.838-4.9240.0-3775.087-3606.715-3504.705-3381.966-3307.33-3157.52-3012.693-2961.177-2746.429-2047.818
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-18.8-29.6-28.1-30.6-31.6-31.3-22.3-20.8-20.0-20.5-20.5-19.6-17.5-14.0-14.3-12.4-12.1-5.9-3.0-3.1-3.0-3.0-3.1-3.1-2.8-2.8-5.1-5.0-4.7-5.6-5.8-5.8-3.8-2.0-1.7-0.5-0.3-0.10.0-112.8-100.2-99.9-96.5-95.8-92.1-87.1-89.2-91.7-67.7
Percentage of Assets-2.2-2.7-2.7-3.1-3.1-3.1-2.9-3.1-3.1-3.1-3.7-3.5-3.2-2.8-2.9-2.7-2.6-1.3-0.7-0.7-0.7-0.8-0.8-0.8-0.8-0.8-1.0-1.0-1.0-1.0-1.0-1.1-1.0-0.5-0.4-0.1-0.1-0.00.0-34.6-32.9-32.6-32.60.00.00.0-34.80.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4700000.04600000.04600000.04500000.04500000.04500000.04500000.04500000.04500000.04500000.04500000.04500000.04500000.04500000.04400000.04375000.04372000.04309000.04299000.04284000.04280000.04273000.04267000.04263000.04260000.04259000.03995000.03992000.03988000.03984000.03976000.03973000.03969000.03966000.03959000.03956000.03952000.03946000.03936000.04884000.04877000.04868000.04860000.04797000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.1

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value120191047410473103691029710255101171055110492104471038010310102511022410247102121016510094100439817978197149690965096199583578857575772515351305097506150295012497149464917490386658630858985778393
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.422.322.225.024.825.123.626.826.926.831.431.230.929.730.931.631.631.532.532.031.835.936.035.836.337.027.128.027.725.225.328.035.334.835.638.438.938.940.179.578.679.882.798.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-1085.0-1251.8-1343.0-1168.8-1125.1-1082.5-1016.8-1130.1-1206.2-1226.4-1199.5-1104.3-1121.6-1085.7-1058.1-975.158-989.153-1053.706-1076.965-1030.663-1033.324-967.718-998.535-995.932-876.607-822.545-837.32-854.579-911.163-1006.058-1081.467-1066.58-1135.851-1128.361-1196.907-1237.569-1378.518-1339.627-1477.899-1545.244-1529.543-1644.754-1736.596-2109.532
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-1.8-2.7-2.8-2.8-2.7-2.7-2.4-2.9-3.1-3.2-3.6-3.3-3.4-3.2-3.2-3.0-3.1-3.3-3.5-3.4-3.4-3.6-3.7-3.7-3.3-3.2-3.9-4.1-4.4-4.9-5.3-5.9-7.9-7.8-8.5-9.5-10.8-10.6-12.1-14.2-13.9-15.3-16.7-24.8

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-3902.9-4061.6-3759.4-4191.2-4274.5-4271.7-2823.6-2979.0-2606.7-2672.2-2642.9-2696.3-2510.1-1834.6-1978.3-1839.029-1848.803-1759.489-1999.332-1876.374-1770.998-1610.592-1836.996-1832.903-1228.521-1205.86-794.221-504.339-250.92-272.41-311.22-298.015-274.256-158.043-183.347-164.081-203.303-97.682-142.617-87.07625438-12.649
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-6.6-8.7-8.0-10.1-10.3-10.5-6.6-7.6-6.7-6.9-8.0-8.2-7.6-5.3-6.0-5.7-5.8-5.5-6.5-6.1-5.8-6.0-6.8-6.8-4.6-4.7-3.7-2.4-1.2-1.3-1.5-1.6-1.9-1.1-1.3-1.3-1.6-0.8-1.2-0.80.60.50.4-0.1

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedTranslationAdjustment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-3800.028002600200020001837-1832.432-1227.188-1201.747-790.645-500.413-246.989-267.611-306.322-292.761-269.647-149.253-175.162
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax101.1-99.2-98.4-101.1-100.0-100.0100.099.999.799.599.298.498.298.498.298.394.495.5
Percentage of Assets-8.06.57.96.06.56.8-6.8-4.6-4.6-3.7-2.4-1.2-1.3-1.5-1.6-1.9-1.0-1.2
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1282128212821282128212711226120612061206120611631074974974884849432207207207207207207207207207207207207207207137756216104.9240.037753606350433812961
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0
Percentage of Assets2.22.72.73.13.13.12.93.13.13.13.73.53.22.82.92.72.61.30.70.70.70.80.80.80.80.81.01.01.01.01.01.11.00.50.40.10.10.00.034.632.932.632.634.8

us-gaap:TreasuryStockValue us-gaap:PlanName

amt:A2011Buyback


Treasury
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1500140014001400140014001300130012001200
Percentage of TreasuryStockValue117.0114.2116.0116.0116.0116.0111.8121.0123.2123.2
Percentage of Assets3.23.33.63.63.64.23.93.93.53.6
Percentage of Assets amt:A2011Buyback0.00.00.00.00.00.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value10694554744574404304355545655535635785756075865915625322126666666166627999-9.3131.6730558210110911112912810712284379.8223.1143.043
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.01.01.11.11.11.01.41.41.41.71.71.71.81.81.81.71.70.70.20.20.20.20.20.20.30.5-0.00.00.10.30.50.70.80.81.01.00.91.00.80.30.10.00.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value23610.00.0-0.06313380.0-0.221
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.00.0100.0100.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value23610.00.0-0.06313370.0-0.221
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.00.0100.0100.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.0

us-gaap:CommonStock


Stock
Period End2021-06-30
Value0.1
Percentage of StockIssuedDuringPeriodValueNewIssues0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:CommonStock0.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2140.37.00.20.21.5130.50.30.3140.50.20.3130.250.2140.3540.2570.2310.2410.2750.2160.2220.2970.1370.1360.1390.1370.1540.1370.1370.1370.1620.1390.1360.1280.1770.1260.1230.1240.1340.1250.1230.0790.272
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Minority
Period End2021-06-30
Value214
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0
Percentage of Assets0.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.0

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.37.00.20.21.5130.50.30.3140.50.20.3130.250.2140.3540.2570.2310.2410.2750.2160.2220.2970.1370.1360.1390.1370.1540.1370.1370.1370.1620.1390.1360.1280.1770.1260.1230.1240.1340.1250.1230.0790.272
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9511092113296098880099393710367851263753940791789663794678563509394297353360402315290275283246258262253
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax530.0770.0879.8729.7842.2678.051.7682.654.943.359.342.252.845.546.339.547.842.043.747.349.138.849.651.757.748.446.146.150.445.050.355.955.8

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-9066900000.0-438700000.0-3814000000.0-331800000.0-385400000.0-253400000.0-2586700000.0-810100000.0-267400000.0-323300000.0-694400000.0-212100000.0-562400000.0-1280600000.0-1290400000.0-296000000.0-294200000.0-920300000.0-316100000.0-242800000.0-1357900000.0-185520000.0-1124800000.0-830020000.0-5249400000.0-376630000.0-1384100000.0-407360000.0-475610000.0-291300000.0-1231200000.0-502340000.0-382760000.0-674530000.0-441740000.0-572250000.0-136230000.0-150680000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5048.4-309.2-2963.5-252.1-328.3-214.7-134.5-590.0-14.2-17.8-32.6-11.9-31.6-73.5-75.7-17.6-17.7-56.9-20.5-16.0-94.2-14.4-90.9-70.7-486.4-46.9-180.1-57.1-68.2-41.8-188.5-79.7-64.1-119.9-80.7-111.5-29.0-33.2

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8067-480.02734-1012.699-606.0169672-597.0-650.4-573.4-222.7-628.9817500-323.3-448.5157-366.0644760341058-58.1951422710816180-137.526710374-177.5132.65
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4491.6-338.32124.9-769.584.5-513.688.253.0-31.6-35.9-26.9-12.5-35.346.929.4-19.2-27.09.8-28.4441.14.3137.7-8.220.53.9165.69.813.4-24.4129.773.0-37.80.6

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value7.5131131-375.9705-177.7129162186-205.211323-308.83240.24155-78.2
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.293.0101.9-285.6601.2-150.66.7118.29.9-11.30.518.1-17.318.60.02.53.3-4.8

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9511092113296098880099393710367851263753940791789663794678563509394297353360402315290275283246258262253
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax530.0770.0879.8729.7842.2678.051.7682.654.943.359.342.252.845.546.339.547.842.043.747.349.138.849.651.757.748.446.146.150.445.050.355.955.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value746365464446415562498429397277366306285238317367316229264187275232102156193180207234202991809917113523248221205-15.701115918393999664675658
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax415.5283.7352.9380.0351.729.3363.122.721.913.020.517.216.414.018.922.119.614.917.513.021.318.28.313.317.917.220.022.720.610.622.312.321.417.732.56.931.831.4-2.519.316.315.218.221.221.214.415.213.314.3

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value74765236146244841856950543440729237731428019433438830723226319228122197157195181206221193731638416011823133210196-19.7261139183939996
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax416.4459.7281.0351.7381.9354.729.6368.023.022.513.721.117.716.111.419.923.419.015.117.413.321.817.37.913.418.117.419.921.519.67.820.210.420.115.432.54.830.230.1-3.118.916.315.318.221.221.2

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value31382124274723232142264324422224253619202128181824291818182414151721121313131112111212131313
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensation us-gaap:AwardType

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value8.11.51.82.73.5125.84.62.81010266.48.85.66.56.05.52.92.32.40.81.00.80.60.1
Percentage of ShareBasedCompensation25.43.98.311.212.927.024.719.612.825.239.760.725.820.625.426.623.315.214.711.411.02.85.54.42.50.3

us-gaap:ShareBasedCompensation us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value31382124274723232142
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensation us-gaap:IncomeStatementLocation

amt:PropertyExpense


Share
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.40.40.60.40.40.6
Percentage of ShareBasedCompensation1.71.51.31.71.81.4

us-gaap:OperatingExpense


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.70.70.70.90.70.60.60.90.61.00.71.00.50.70.80.90.50.60.60.70.50.50.5
Percentage of ShareBasedCompensation3.22.92.61.93.02.62.72.12.32.32.82.32.32.93.12.52.53.02.72.52.72.72.1

us-gaap:SellingGeneralAndAdministrativeExpenses


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3138212326464122214125422441
Percentage of ShareBasedCompensation100.0100.096.897.197.498.1177.097.497.397.997.797.797.297.7

us-gaap:Service


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.20.30.30.30.30.20.20.30.20.20.20.3
Percentage of ShareBasedCompensation0.91.21.10.61.30.90.90.70.80.50.80.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-9066900000.0-438700000.0-3814000000.0-331800000.0-385400000.0-253400000.0-2586700000.0-810100000.0-267400000.0-323300000.0-694400000.0-212100000.0-562400000.0-1280600000.0-1290400000.0-296000000.0-294200000.0-920300000.0-316100000.0-242800000.0-1357900000.0-185520000.0-1124800000.0-830020000.0-5249400000.0-376630000.0-1384100000.0-407360000.0-475610000.0-291300000.0-1231200000.0-502340000.0-382760000.0-674530000.0-441740000.0-572250000.0-136230000.0-150680000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5048.4-309.2-2963.5-252.1-328.3-214.7-134.5-590.0-14.2-17.8-32.6-11.9-31.6-73.5-75.7-17.6-17.7-56.9-20.5-16.0-94.2-14.4-90.9-70.7-486.4-46.9-180.1-57.1-68.2-41.8-188.5-79.7-64.1-119.9-80.7-111.5-29.0-33.2

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-06-302020-03-31
Value277324210214
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireProductiveAssets


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value40224321021431426024322033418522619828018320316822615516515421020615115925125725221327616715612319115010512112516013897118957755
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8067-480.02734-1012.699-606.0169672-597.0-650.4-573.4-222.7-628.9817500-323.3-448.5157-366.0644760341058-58.1951422710816180-137.526710374-177.5132.65
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4491.6-338.32124.9-769.584.5-513.688.253.0-31.6-35.9-26.9-12.5-35.346.929.4-19.2-27.09.8-28.4441.14.3137.7-8.220.53.9165.69.813.4-24.4129.773.0-37.80.6

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:RepaymentsOfLongTermDebt

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:A2019MulticurrencyCreditFacility


Repayments
Period End2020-09-10
Value3100
Percentage of RepaymentsOfLongTermDebt100.0

us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

srt:Subsidiaries, amt:OtherSubsidiaryDebt, us-gaap:UnsecuredDebt


Repayments
Period End2020-09-30
Value0.0
Percentage of RepaymentsOfLongTermDebt0.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value5515445064884784544204073983773483393313042832742642502342252162091941861771521421341260.5542241061020.018586
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:PaymentsOfDividendsCommonStock us-gaap:StatementClassOfStock

us-gaap:CommonStock


Payments
Period End2021-04-292021-02-022020-07-102020-05-222020-01-142020-04-292019-10-172019-07-122019-04-262019-01-142018-10-172018-07-132018-05-242018-04-272018-01-162017-12-072017-07-142017-04-282017-01-132016-09-162016-06-022016-03-092015-12-03
Value551537487407447478420407397370348339339331300300274264247234225216207
Percentage of PaymentsOfDividendsCommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PaymentsOfDividendsCommonStock us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:CommonStock, us-gaap:SubsequentEvent


Payments
Period End2021-07-092021-04-292020-10-162020-07-102020-04-292019-10-032019-07-122019-04-262018-10-172018-04-272017-10-172017-07-14
Value577551506487478420407397348331283274
Percentage of PaymentsOfDividendsCommonStock0.00.00.00.00.00.00.00.00.00.00.00.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.01639190.00.00.05182980.096284941470.00.00.00.00.00.00.00.00.0706212296.2596.51220461591031278014914158
Percentage of PaymentsForRepurchaseOfCommonStock0.00.0100.0100.0100.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value88.3685.984.0381.3278.071.162.1452.8144.09
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value736636378693581
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value136175107116107283132343879879465
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2281941511421441361411363.2980.51713
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions

us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-30
Value8.51.2-16.8190.9281.41.53.11.41.51.91.91.9358.432
Percentage of UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:AdjustmentsToAdditionalPaidInCapitalAdditionalInterestAcquisitionCosts us-gaap:StatementEquityComponents

amt:AdjustmentsToAdditionalPaidInCapitalAdditionalInterestAcquisitionCosts

us-gaap:AccumulatedOtherComprehensiveIncome


Adjustments
Period End2021-06-30
Value47
Percentage of AdjustmentsToAdditionalPaidInCapitalAdditionalInterestAcquisitionCosts100.0

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-30
Value-648.4
Percentage of AdjustmentsToAdditionalPaidInCapitalAdditionalInterestAcquisitionCosts-1367.9

us-gaap:NoncontrollingInterest


Adjustments
Period End2021-06-30
Value601
Percentage of AdjustmentsToAdditionalPaidInCapitalAdditionalInterestAcquisitionCosts1267.9

amt:AssetAcquisitionConsiderationTransferred amt:AssetAcquisition

amt:AssetAcquisitionConsiderationTransferred

amt:Acquisitions2020


Asset
Period End2020-09-302020-06-302020-03-31
Value492-239.250
Percentage of AssetAcquisitionConsiderationTransferred100.0100.0100.0

amt:Acquisitions2021


Asset
Period End2021-03-31
Value77
Percentage of AssetAcquisitionConsiderationTransferred0.0

amt:EntelAcquisition


Asset
Period End2021-03-312020-12-192020-09-302020-06-302020-03-312019-12-312019-12-26
Value14800214239800672
Percentage of AssetAcquisitionConsiderationTransferred0.00.04.3-17.978.00.00.0

amt:AssetAcquisitionConsiderationTransferred amt:AssetAcquisition, us-gaap:PropertyPlantAndEquipmentByType

amt:OtherAcquisitions2020, amt:CommunicationSites


Asset
Period End2020-09-302020-06-302020-03-31
Value939211
Percentage of AssetAcquisitionConsiderationTransferred19.0-38.622.0

amt:OtherAcquisitions2021, amt:CommunicationSites


Asset
Period End2021-03-31
Value62
Percentage of AssetAcquisitionConsiderationTransferred0.0

amt:AssetAcquisitionConsiderationTransferred us-gaap:CounterpartyName, us-gaap:PropertyPlantAndEquipmentByType

amt:AtTTransaction, amt:CommunicationSites


Asset
Period End2020-09-30
Value0.0
Percentage of AssetAcquisitionConsiderationTransferred0.0

amt:BusinessCombinationProFormaInformationGrossMarginOfAcquireeSinceAcquisitionDateActual

amt:BusinessCombinationProFormaInformationGrossMarginOfAcquireeSinceAcquisitionDateActual


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-302018-09-302018-06-302017-09-302017-06-302016-09-302016-06-302015-09-302015-06-302014-09-30
Value240.47.22.11.13.91.527191315876576549.5
Percentage of BusinessCombinationProFormaInformationGrossMarginOfAcquireeSinceAcquisitionDateActual100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest

amt:ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value9.2-14.13010-34.0-28.513-0.0
Percentage of ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.00.0

amt:ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest

amt:ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-47.4-0.1670.00.01423.10.00.0520.00.00.0
Percentage of ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest100.0100.0100.00.00.0100.0100.00.00.0100.00.00.00.0

amt:IncreaseDecreaseInRightOfUseAssetAndOperatingLeaseLiability

amt:IncreaseDecreaseInRightOfUseAssetAndOperatingLeaseLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-10.6-4.1110.70.1-1.033-11.7-19.3-20.2
Percentage of IncreaseDecreaseInRightOfUseAssetAndOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:NonCashOperatingAndFinancingLeaseModifications

amt:NonCashOperatingAndFinancingLeaseModifications


Non
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value81852694086796-4.82436530
Percentage of NonCashOperatingAndFinancingLeaseModifications100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:NoncontrollingInterestAcquiredOwnershipPercentageByNoncontrollingOwners dei:LegalEntity, us-gaap:Ownership

amt:NoncontrollingInterestAcquiredOwnershipPercentageByNoncontrollingOwners

amt:AllianzCapitalPartners, amt:ATCEurope


Noncontrolling
Period End2021-06-30
Value10.0
Percentage of NoncontrollingInterestAcquiredOwnershipPercentageByNoncontrollingOwners100.0

amt:CaisseDeDepotEtPlacementDuQuebec, amt:ATCEurope


Noncontrolling
Period End2021-06-30
Value30.0
Percentage of NoncontrollingInterestAcquiredOwnershipPercentageByNoncontrollingOwners300.0

amt:NoncontrollingInterestDecreaseFromRedemptionsOrPurchaseOfInterestsShares us-gaap:StatementEquityComponents

amt:NoncontrollingInterestDecreaseFromRedemptionsOrPurchaseOfInterestsShares

us-gaap:CommonStock


Noncontrolling
Period End2021-06-302021-03-31
Value026000.0
Percentage of NoncontrollingInterestDecreaseFromRedemptionsOrPurchaseOfInterestsShares0.0100.0

amt:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxLessAmountReclassifiedToAdditionalPaidInCapital

amt:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxLessAmountReclassifiedToAdditionalPaidInCapital


Other
Period End2021-06-302020-06-30
Value1224.9
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxLessAmountReclassifiedToAdditionalPaidInCapital100.0100.0

amt:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxLessAmountReclassifiedToAdditionalPaidInCapital us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302020-06-30
Value111-2.8
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxLessAmountReclassifiedToAdditionalPaidInCapital90.9-57.1

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302020-06-30
Value117.7
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxLessAmountReclassifiedToAdditionalPaidInCapital9.1157.1

amt:OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital

amt:OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-323.55181024.9-1311.4166-392.2723.050-192.5-715.079-132.52124-59.143242-138.24-106.477
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-302.349883-2.8-1305.9158-372.4652353-186.2-676.164-139.29.8-89.2240
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital93.496.381.5-57.199.695.195.089.8770.0106.096.794.681.1105.039.3150.898.9

us-gaap:NoncontrollingInterest


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-21.219187.7-5.58.2-19.87.4-20.1-3.0-6.3-38.9156.715302.7
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital6.63.718.5157.10.44.95.010.2-670.0-6.03.35.418.9-5.160.5-50.91.1

amt:PaidDividendRSU

amt:PaidDividendRSU


Paid
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value07300000.0100000.0100000.07600000.0100000.0200000.06600000.0
Percentage of PaidDividendRSU0.0100.0100.0100.0100.0100.0100.0100.0

amt:ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets

amt:ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.54.44.95.43.55.85.19.7113254155202810844.5562.9483.4453.7518.5971.8581.4171.1843022070872981114200138393-0.089207.15151651911.0954.7484.3411149123.0522.3623.926
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:SaleOfStockAuthorizedAmountToBeSold

amt:SaleOfStockAuthorizedAmountToBeSold


Sale
Period End2020-08-31
Value1000
Percentage of SaleOfStockAuthorizedAmountToBeSold100.0

amt:StraightLineRevenue

amt:StraightLineRevenue


Straight
Period End2021-06-302020-06-30
Value10454
Percentage of StraightLineRevenue100.0100.0

amt:TransfersToAccountsPayableAndAccruedExpensesCapitalExpenditures

amt:TransfersToAccountsPayableAndAccruedExpensesCapitalExpenditures


Transfers
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-7.334-3.65.315-43.35617-21.31429
Percentage of TransfersToAccountsPayableAndAccruedExpensesCapitalExpenditures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:UnrecognizedTaxBenefitIncreaseResultingFromReclassificationToIncomeTaxPenaltiesAndInterestExpense

amt:UnrecognizedTaxBenefitIncreaseResultingFromReclassificationToIncomeTaxPenaltiesAndInterestExpense


Unrecognized
Period End2021-06-30
Value16
Percentage of UnrecognizedTaxBenefitIncreaseResultingFromReclassificationToIncomeTaxPenaltiesAndInterestExpense100.0

amt:UnrecognizedTaxBenefitsIncreaseResultingFromForeignCurrencyTranslationNet

amt:UnrecognizedTaxBenefitsIncreaseResultingFromForeignCurrencyTranslationNet


Unrecognized
Period End2021-06-30
Value2600000.0
Percentage of UnrecognizedTaxBenefitsIncreaseResultingFromForeignCurrencyTranslationNet100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock

us-gaap:AccumulatedOtherComprehensiveIncome


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value0.0-0.1670.00.01421420.00.052-78.8
Percentage of AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock0.0100.0100.00.00.0100.0100.00.00.0100.0100.0

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value0.00.1-67.00.00.0-142.2-142.20.00.0-52.450
Percentage of AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock0.0-100.0-100.00.00.0-100.0-100.00.00.0-100.0-64.3

us-gaap:BusinessAcquisitionProFormaEarningsPerShareBasic

us-gaap:BusinessAcquisitionProFormaEarningsPerShareBasic


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value1.691.450.431.051.010.941.181.120.970.90.610.830.690.63-0.240.690.810.68-0.230.560.390.570.490.180.310.340.350.50.580.350.250.370.19
Percentage of BusinessAcquisitionProFormaEarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionProFormaEarningsPerShareDiluted

us-gaap:BusinessAcquisitionProFormaEarningsPerShareDiluted


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value1.681.450.431.041.00.931.171.120.960.890.610.830.690.63-0.240.690.80.67-0.230.550.380.560.490.180.30.340.340.50.580.350.250.370.19
Percentage of BusinessAcquisitionProFormaEarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value767644191464446414523497429397270366306275-108.632298344289-99.139238164239208761291451361992301479914774
Percentage of BusinessAcquisitionsProFormaNetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaRevenue

us-gaap:BusinessAcquisitionsProFormaRevenue


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value240921582306201319131993222819571890181421931786180617801265168116631624138815171489151012851243118211701123103810331115924938941
Percentage of BusinessAcquisitionsProFormaRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts

us-gaap:BusinessCombinationAcquisitionRelatedCosts


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-10-012018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value28344.40.72.87.6155.83.82.07.31.70.94.51.43.9874.2312.3975.6858.0311.1245.7350.9852.2258.5875.0213.08.2694.14.89.8108.93.313105.23.2
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

amt:InsiteAcquisition


Business
Period End2020-12-23
Value2751
Percentage of BusinessCombinationConsiderationTransferred1100.0

amt:TelxiusTelecomSA


Business
Period End2021-06-302021-01-13
Value88467700
Percentage of BusinessCombinationConsiderationTransferred10.00.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition, us-gaap:StatementBusinessSegments

amt:TelxiusTelecomSA, amt:TelxiusEuropeanTowerDivision


Business
Period End2021-06-30
Value6300
Percentage of BusinessCombinationConsiderationTransferred10.0

amt:TelxiusTelecomSA, amt:TelxiusLatinAmericaTowerDivision


Business
Period End2021-06-30
Value900
Percentage of BusinessCombinationConsiderationTransferred10.0

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

srt:ScenarioForecast, amt:TelxiusTelecomSA, us-gaap:SubsequentEvent


Business
Period End2021-06-30
Value7700
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationIntegrationRelatedCosts

us-gaap:BusinessCombinationIntegrationRelatedCosts


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value9.4166.9999999999999987.02.56.62.01.62.14.11.19.84.70.50.3192.8033.8084.571.551.8463.2343.2715.8795.9384.5251.82.1575.23.22.5
Percentage of BusinessCombinationIntegrationRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual

us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-302018-09-302018-06-302017-09-302017-06-302016-09-302016-06-302015-09-302015-06-302014-09-30
Value550.59.73.41.75.32.28154211820815817211112
Percentage of BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalLeaseObligationsIncurred

us-gaap:CapitalLeaseObligationsIncurred


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value171026171813281818161812169.7211110111815119.958169.366.1164.394129.4178.2846.301116.7774.9274.4957.06.1984.9551.0661.742.1352.370.5550.5590.551
Percentage of CapitalLeaseObligationsIncurred100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentRedemptionPricePercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentRedemptionPricePercentage

amt:ThreePointFourFiveZeroPercentSeniorNotes, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Debt
Period End2020-07-06
Value1.036
Percentage of DebtInstrumentRedemptionPricePercentage100.0

amt:Threepointthreezerozeropercentseniornotes, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Debt
Period End2020-07-06
Value1.0151
Percentage of DebtInstrumentRedemptionPricePercentage98.0

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DepreciationAmortizationAndAccretionNet


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value554522481473454472449442448436765448449446466432396421388397397341352341328263263249245245244184184185178144172149143142138131124115110110
Percentage of DepreciationAmortizationAndAccretionNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAmortizationAndAccretionNet us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value554522481473454472449442448436
Percentage of DepreciationAmortizationAndAccretionNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value623563563552530544543548549533531543547507517511507486482485452342345356314259269272263250243195198191180177165163157160144127126115105100
Percentage of DirectCostsOfLeasedAndRentedPropertyOrEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value579553539508488480449422408399372349342332302284275266248235226217208195186178151143135127114110107102-617.565918783
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value579553539508488480449422408399372349342332302284275266248235226217208195186178151143135127114110107102-617.565918783
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value55-42.1788.23.2-118.326-37.614-16.6164.7-57.5-4.5
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount


Employee
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value400000.0400000.0400000.0500000.0400000.0300000.0400000.0500000.0400000.0600000.0500000.0500000.0262000.0368000.0444000.0526000.0328000.0353000.0100000.0700000.0500000.0500000.0600000.0500000.0400000.0400000.0400000.0400000.0400000.0400000.0400000.0400000.0600000.0500000.0500000.0600000.0700000.0
Percentage of EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss


Equity
Period End2021-06-30
Value29
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0

us-gaap:ExtinguishmentOfDebtGainLossNetOfTax

us-gaap:ExtinguishmentOfDebtGainLossNetOfTax


Extinguishment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.0-25.70.0-37.20.0-34.60.00.0-22.1-0.1-3.30.00.00.0-0.303-14.183-0.274-55.440.3380.00.830.0-0.9570.0-75.068-3.725-4.8262.716-1.031-0.2380.00.0-70.576350.00.0
Percentage of ExtinguishmentOfDebtGainLossNetOfTax0.0100.00.0100.00.0100.00.00.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings


Fair
Period End2020-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value10-4.880.0990.00.01.119-0.974-0.9520.5821.1331.303-2.0075.2552.5380.3251.85.833.8341.3
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossUnrealized

us-gaap:ForeignCurrencyTransactionGainLossUnrealized


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value14694-63.7-49.4-37.8-65.5-7.6-1.15.320102.2-40.423-3.992-5.3447.78527-8.321-24.58529-23.553-2.005-60.049-30.907-142.90922-21.48346-114.87655-29.548-145.1442716-0.7398.933
Percentage of ForeignCurrencyTransactionGainLossUnrealized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillAcquiredDuringPeriod us-gaap:BusinessAcquisition

us-gaap:GoodwillAcquiredDuringPeriod

amt:InsiteAcquisition


Goodwill
Period End2021-03-31
Value21
Percentage of GoodwillAcquiredDuringPeriod100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-56.6-41.6853710-229.427-76.4166.229-57.6-165.38.71.8154.019-7.8838334-5.479
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss us-gaap:StatementBusinessSegments

amt:PropertyAfrica


Goodwill
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value9.9-3.44.19.4-35.4
Percentage of GoodwillForeignCurrencyTranslationGainLoss-17.58.210.989.515.4

amt:PropertyAsia


Goodwill
Period End2021-03-312020-09-302020-06-302020-03-31
Value-0.5221.6-57.4
Percentage of GoodwillForeignCurrencyTranslationGainLoss1.260.415.225.0

amt:PropertyEurope


Goodwill
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value-89.3-11.1114.6-4.1
Percentage of GoodwillForeignCurrencyTranslationGainLoss157.826.729.543.81.8

amt:PropertyLatinAmerica


Goodwill
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value37-30.8-0.3-5.1-132.5
Percentage of GoodwillForeignCurrencyTranslationGainLoss-65.774.0-0.8-48.657.8

amt:PropertyUS


Goodwill
Period End2021-03-312020-06-302020-03-31
Value4.20.00.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss-10.10.0-0.0

us-gaap:GoodwillPurchaseAccountingAdjustments

us-gaap:GoodwillPurchaseAccountingAdjustments


Goodwill
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-09-30
Value336921-11.4-136.9-0.1-5.6
Percentage of GoodwillPurchaseAccountingAdjustments100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillPurchaseAccountingAdjustments us-gaap:StatementBusinessSegments

amt:PropertyAfrica


Goodwill
Period End2020-09-302020-06-302020-03-31
Value-11.4-136.9-0.1
Percentage of GoodwillPurchaseAccountingAdjustments100.0100.0100.0

amt:PropertyUS


Goodwill
Period End2021-03-312020-06-302020-03-31
Value210.00.0
Percentage of GoodwillPurchaseAccountingAdjustments100.0-0.0-0.0

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse


Impairment
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302015-06-302015-03-312014-06-302014-03-31
Value0.61816.0323.7491413181.8330.00.00.00.0
Percentage of ImpairmentOfLongLivedAssetsHeldForUse100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:IncreaseDecreaseInOperatingAssets

us-gaap:IncreaseDecreaseInOperatingAssets


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value237-18.1-77.41521032193374-26.5951636140-24.1212.449307.356962.77914-14.97643492.8557.3746921-55.126311313
Percentage of IncreaseDecreaseInOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOperatingLiabilities

us-gaap:IncreaseDecreaseInOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value7039-125.54111-2.757-112.8-17.322251286-21.307-80.797107-56.2581852-49.304106780744810104354428-8.27838
Percentage of IncreaseDecreaseInOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeOther

us-gaap:InterestIncomeOther


Interest
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312014-12-312014-09-302013-12-312013-09-30
Value7.6118.4101012111010188.8498.3138.3119.9276.3766.4683.5345.8533.854.2382.342
Percentage of InterestIncomeOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNonoperating

us-gaap:InvestmentIncomeNonoperating


Investment
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value9.78.410121112
Percentage of InvestmentIncomeNonoperating100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesFairValueAdjustment us-gaap:BusinessAcquisition

us-gaap:LiabilitiesFairValueAdjustment

amt:InsiteAcquisition


Liabilities
Period End2020-12-23
Value36
Percentage of LiabilitiesFairValueAdjustment100.0

us-gaap:MinorityInterestChangeInRedemptionValue

us-gaap:MinorityInterestChangeInRedemptionValue


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.01.2-4.0-9.05.3-6.3-33.6-2.4-3.53.758-4.815170.00.00.00.0
Percentage of MinorityInterestChangeInRedemptionValue0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromRedemptions us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromRedemptions

us-gaap:AdditionalPaidInCapital


Minority
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302014-12-31
Value0.0-1.71010.00.0-52.40.00.016-99.724
Percentage of MinorityInterestDecreaseFromRedemptions0.0100.0100.00.00.0100.00.00.0100.0100.0

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312018-12-312018-09-302018-06-302014-12-31
Value0.01.70.00.04.5-29.92
Percentage of MinorityInterestDecreaseFromRedemptions0.0-100.00.00.027.330.0

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.02.3-17.88.8-5.37.7-33.6-2.4-3.53.745-6.32028-21.2-3.3-21.212
Percentage of NetIncomeLossAttributableToRedeemableNoncontrollingInterest0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-30
Value74764837046344841756950543440728037531929024033136731922026622197
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1.63.85.1000000000000005-1.32.32.26.76.75.2102.58.9125.71.873140.23.7-8.652
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest0.20.61.4-0.30.50.51.21.31.22.50.92.43.92.00.84.30.11.2-3.9

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value746645365464446415562498429397277366306285238317367316229
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest99.899.498.6100.399.599.598.898.798.897.599.197.696.198.099.295.799.998.8103.9

us-gaap:NoncashOrPartNoncashAcquisitionDebtAssumed1 us-gaap:BusinessAcquisition

us-gaap:NoncashOrPartNoncashAcquisitionDebtAssumed1

amt:InsiteAcquisition


Noncash
Period End2020-12-23
Value800
Percentage of NoncashOrPartNoncashAcquisitionDebtAssumed1100.0

us-gaap:NoncashOrPartNoncashAcquisitionDebtAssumed1 us-gaap:BusinessAcquisition, us-gaap:FairValueByLiabilityClass

amt:InsiteAcquisition, us-gaap:Debt


Noncash
Period End2020-12-23
Value763
Percentage of NoncashOrPartNoncashAcquisitionDebtAssumed195.4

us-gaap:NotesReduction

us-gaap:NotesReduction


Notes
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0005000000.000
Percentage of NotesReduction0.00.00.0100.00.00.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value268251245242238250252249255255
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseLeaseIncome


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value21192016199318811795187517991816184817862005166317491710
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome us-gaap:StatementGeographical

amt:PropertyAfrica


Operating
Period End2021-06-302020-06-30
Value241203
Percentage of OperatingLeaseLeaseIncome11.411.3

amt:PropertyAsiaPacific


Operating
Period End2021-06-302020-06-30
Value296269
Percentage of OperatingLeaseLeaseIncome14.015.0

amt:PropertyEurope


Operating
Period End2021-06-302020-06-30
Value8633
Percentage of OperatingLeaseLeaseIncome4.11.8

amt:PropertyLatinAmerica


Operating
Period End2021-06-302020-06-30
Value331265
Percentage of OperatingLeaseLeaseIncome15.714.8

amt:PropertyUSAndCanada


Operating
Period End2021-06-302020-06-30
Value11631025
Percentage of OperatingLeaseLeaseIncome54.957.1

country:US


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value10501025103110291029946927910895
Percentage of OperatingLeaseLeaseIncome55.857.155.057.256.751.251.945.453.8

srt:Africa


Operating
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value230216203222148147140143
Percentage of OperatingLeaseLeaseIncome11.411.511.311.98.38.17.68.0

srt:Asia


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value302269284292310319286634321
Percentage of OperatingLeaseLeaseIncome16.115.015.216.317.117.316.031.619.3

srt:AsiaPacific


Operating
Period End2021-03-312020-03-31
Value278284
Percentage of OperatingLeaseLeaseIncome13.815.2

srt:Europe


Operating
Period End2021-03-312020-03-31
Value4233
Percentage of OperatingLeaseLeaseIncome2.11.8

srt:LatinAmerica


Operating
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value304274265303295297310298280280
Percentage of OperatingLeaseLeaseIncome15.114.614.816.216.416.416.816.714.016.9

srt:NorthAmerica


Operating
Period End2021-03-312020-03-31
Value11591031
Percentage of OperatingLeaseLeaseIncome57.555.0

us-gaap:EMEA


Operating
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value3733331793232166
Percentage of OperatingLeaseLeaseIncome2.01.81.89.91.81.810.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value262244255242238252310235231234
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value000-100000.0-100000.00000-100000.0-100000.0000
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax0.00.00.0100.0100.00.00.00.00.0100.0100.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value000-100000.0-100000.00000-100000.0-100000.0000
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax0.00.00.0100.0100.00.00.00.00.0100.0100.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-100000.00-100000.0-100000.0-100000.000-100000.00-100000.0-100000.00-100000.0-100000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.00.0100.0100.0100.00.00.0100.00.0100.0100.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-100000.00-100000.0-100000.00-100000.00-100000.00-100000.0-100000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.00.0100.0100.00.0100.00.0100.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-0.0-0.00.0-0.00.00.00.10.0-0.51.00.21.0-5.41.6-3.7142.292-1.0833.505-1.606-1.4952.6954.188-50.132120.197-12.609-22.587.969-0.6921.056-13.461-2.329-7.14913-15.4411.6675.4550.642
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax0.00.00.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherCostAndExpenseOperating


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value395019815381482342820243346716721119186.2153514138.82515177.7743011121335155.89814277.3595.9442122149.4911214.2995.0374.754
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherExpenses us-gaap:ConsolidationItems

us-gaap:OtherExpenses

us-gaap:MaterialReconcilingItems


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value68176452298270311275221248193
Percentage of OtherExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value12187-79.1-87.4-81.6-77.3-57.6-28.9-67.881-9.222-66.309-25.189-43.576-5.06-36.46-120.45-7.496192-84.318-28.342
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.33.5-9.5-7.6-5.0-4.5536.4-0.14.8218.48.714-3.731514-21.84815-4.536-21.5926-0.085-1.0341.691.397-43.8092.161591.369-140.9081210.9670.129110.4420.5791.871-12.27711-21.556-3.5674.832128.212-0.939
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.02.53370.00.05240.00.00.04250.00.0
Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterest0.0100.0100.00.00.0100.00.00.00.0100.00.00.0

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest us-gaap:CounterpartyName, us-gaap:Ownership

amt:Macquarie, amt:ATCTIPL


Payments
Period End2021-03-31
Value12900
Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterest516000.0

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest us-gaap:CounterpartyName, us-gaap:Ownership, us-gaap:StatementScenario, us-gaap:SubsequentEventType

amt:Macquarie, amt:ATCTIPL, srt:ScenarioForecast, us-gaap:SubsequentEvent


Payments
Period End2021-02-28
Value12900
Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterest0.0

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest us-gaap:Ownership

amt:EureEtLoirRseauxMobilesSAS


Payments
Period End2021-06-302021-03-31
Value0.02.2
Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterest0.088.0

amt:GhanaAndUgandaSubsidiaries


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value5240.00.00.0524
Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterest20976.00.00.00.0100.0

us-gaap:PaymentsOfDebtExtinguishmentCosts

us-gaap:PaymentsOfDebtExtinguishmentCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.0610.0340.0330.00.0210.03.30.00.00.00.026130.061-0.0390.00.1250.0-0.4350.04.8260.06.7670.00.00.00.0290.00.0
Percentage of PaymentsOfDebtExtinguishmentCosts0.0100.00.0100.00.0100.00.00.0100.00.0100.00.00.00.0100.0100.00.0100.0100.00.0100.00.0100.00.0100.00.0100.00.00.00.00.0100.00.00.0

us-gaap:PaymentsToAcquireAdditionalInterestInSubsidiaries

us-gaap:PaymentsToAcquireAdditionalInterestInSubsidiaries


Payments
Period End2021-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302015-12-312014-12-31
Value6.00.00.04250.0200.00.00.00.0
Percentage of PaymentsToAcquireAdditionalInterestInSubsidiaries100.00.00.0100.00.0100.00.00.00.00.0

us-gaap:PaymentsToAcquireAdditionalInterestInSubsidiaries dei:LegalEntity, us-gaap:Ownership

amt:CaisseDeDepotEtPlacementDuQuebecAndAllianzCapitalPartners, amt:ATCEurope


Payments
Period End2021-06-30
Value2200
Percentage of PaymentsToAcquireAdditionalInterestInSubsidiaries0.0

us-gaap:PaymentsToAcquireAdditionalInterestInSubsidiaries dei:LegalEntity, us-gaap:Ownership, us-gaap:SubsequentEventType

amt:AllianzCapitalPartners, amt:ATCEurope, us-gaap:SubsequentEvent


Payments
Period End2021-07-29
Value400
Percentage of PaymentsToAcquireAdditionalInterestInSubsidiaries0.0

us-gaap:PaymentsToAcquireAdditionalInterestInSubsidiaries us-gaap:Ownership

amt:ATCEurope


Payments
Period End2021-06-30
Value178
Percentage of PaymentsToAcquireAdditionalInterestInSubsidiaries0.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value876711434651001834922725534391443101663673105099797771069312150.873344945649206859.4092526240965466245117528937315911003282756173154514388
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIncomeTaxRefunds

us-gaap:ProceedsFromIncomeTaxRefunds


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value7.6242.8149.50.11.73.35.90.30.11.2194.70.8682.5684.514123.3352.208103.4311.8471.8952.3890.9221.8340.4555.4490.7382.3653.859120.7040.3943.38930-12.972
Percentage of ProceedsFromIncomeTaxRefunds100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value24291398169327491986149613470.0228812410.00.05840.013940.012790.00.099899012470.00.014920.00.06460.07690.012380.09830.00.00.06984990.00.00.0999
Percentage of ProceedsFromIssuanceOfSeniorLongTermDebt100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.0100.00.0100.00.0100.00.00.0100.0100.0100.00.00.0100.00.00.0100.00.0100.00.0100.00.0100.00.00.00.0100.0100.00.00.00.0100.0

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt


Proceeds
Period End2020-11-202020-12-312020-09-282020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-312013-09-302012-12-312012-09-302011-12-31
Value16780.010920.011907500.00.00.013000.00.00.015000.00.00.00.00.00.00.00.00.00.00.050015000.00.00.00.0
Percentage of ProceedsFromIssuanceOfUnsecuredDebt0.0100.00.0100.0100.0100.00.00.00.0100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.0100.0100.00.00.00.00.0

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

srt:ParentCompany, amt:A2026And2031Notes, us-gaap:SeniorNotes


Proceeds
Period End2021-03-29
Value1386
Percentage of ProceedsFromIssuanceOfUnsecuredDebt0.0

srt:ParentCompany, amt:A20292031And2033Notes, us-gaap:SeniorNotes


Proceeds
Period End2021-05-21
Value1983
Percentage of ProceedsFromIssuanceOfUnsecuredDebt0.0

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType

srt:ParentCompany, us-gaap:SeniorNotes


Proceeds
Period End2020-09-102020-06-032020-01-10
Value138519681968
Percentage of ProceedsFromIssuanceOfUnsecuredDebt0.00.00.0

us-gaap:ProceedsFromIssuanceOrSaleOfEquity

us-gaap:ProceedsFromIssuanceOrSaleOfEquity


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value241.915482311123629274413202014234536151645142111125.106141716131213136.14121115152420301016324247
Percentage of ProceedsFromIssuanceOrSaleOfEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromLinesOfCredit


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4641187028501335140326422420710920170035025091517481692115851119979172021295313989871590315014024253600.00.032580.024912570.00.013257251801000.043382
Percentage of ProceedsFromLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ProceedsFromLinesOfCredit us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:A2019MulticurrencyCreditFacility


Proceeds
Period End2020-09-302020-06-302020-03-31
Value0.035875
Percentage of ProceedsFromLinesOfCredit0.02.533.1

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:A2021CreditFacility


Proceeds
Period End2021-06-302021-03-31
Value110050
Percentage of ProceedsFromLinesOfCredit23.72.7

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:A2021MulticurrencyCreditFacility


Proceeds
Period End2021-06-302021-03-31
Value22001800
Percentage of ProceedsFromLinesOfCredit47.496.3

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:CreditFacility2019


Proceeds
Period End2020-09-302020-06-302020-03-31
Value140013001700
Percentage of ProceedsFromLinesOfCredit104.992.764.3

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-32.0-61.3-24.4-28.5-35.4-88.2-21.5-9.4-28.0-76.7-9.27.7-12.5-42.6-11.8860.197-6.376-21.9353.022-6.1592.061-25.3250.2933.97-11.726-22.558-2.541-9.215-1.057-21.857-0.0834.451-3.08-10.561-0.161-0.212-3.837-9.463-94.68549245.564-6.541-5.863-0.077-0.274
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsToMinorityShareholders

us-gaap:ProceedsFromPaymentsToMinorityShareholders


Proceeds
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-217.6-8.1-0.2-0.1-13.52.4-0.2-13.8-0.1-0.4-13.6-0.3-0.385-0.57-0.137265239-0.197-0.229-0.2742.7524.832-0.246-0.1373.6525.737-0.137-0.154-0.137-0.137107.6584.2612.024433.3275387-6.5896.589
Percentage of ProceedsFromPaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPreviousAcquisition

us-gaap:ProceedsFromPreviousAcquisition


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-30
Value0.44.0-0.21.30.05.0
Percentage of ProceedsFromPreviousAcquisition100.0100.0100.0100.00.0100.0

us-gaap:RepaymentsOfLinesOfCredit us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:RepaymentsOfLinesOfCredit

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:A2021MulticurrencyCreditFacility


Repayments
Period End2021-06-302021-03-31
Value2001600
Percentage of RepaymentsOfLinesOfCredit100.0100.0

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:InSiteDebtAnd2020TermLoan


Repayments
Period End2021-06-302021-03-31
Value0.0750
Percentage of RepaymentsOfLinesOfCredit0.046.9

us-gaap:RepaymentsOfLinesOfCredit us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:RevolvingCreditFacility, amt:A2019MulticurrencyCreditFacility


Repayments
Period End2020-12-31
Value700
Percentage of RepaymentsOfLinesOfCredit0.0

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value293730719574593397343511552259338740255557116722584218811691493163397712581469138830016134402490974108992291616317660.95529373.1992.9096332018188790.891262615827860
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLongTermLinesOfCredit us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:RepaymentsOfLongTermLinesOfCredit

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:A2019MulticurrencyCreditFacility


Repayments
Period End2020-09-302020-06-30
Value91026
Percentage of RepaymentsOfLongTermLinesOfCredit100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1354892204332501841105262
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SaleOfStockConsiderationReceivedOnTransaction us-gaap:SubsidiarySaleOfStock

us-gaap:SaleOfStockConsiderationReceivedOnTransaction

amt:PublicStockOffering


Sale
Period End2021-05-10
Value2400
Percentage of SaleOfStockConsiderationReceivedOnTransaction100.0

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans

us-gaap:CommonStock


Stock
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value38000.033000.0038000.032000.0041000.041000.0045000.039938.0042214.0039352.0037526.0039503.0040285.040.035564.0036812.00
Percentage of StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans100.0100.00.0100.0100.00.0100.0100.00.0100.0100.00.0100.00.0100.00.0100.00.0100.00.0100.0100.0100.00.0100.00.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:CommonStock


Stock
Period End2021-06-30
Value9.9
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value300000.0437000.0107000.0629000.0242000.0655000.0117000.0449000.0377000.0908000.0546000.0213000.0267000.0756000.0178590.0325340.0598020.01019100.0267580.0360270.0653520.0677750.0348590.0232340.0147420.0524880.0263710.0396040.0297620.0795920.0289820.0391250.0291500.0660810.0315810.0402290.0480080.01035200.0700250.0693860.0860980.0778610.0490110.01039800.01469900.01647100.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan


Stock
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value7.76.50.06.95.60.05.74.90.05.34.4450.03.670.03.1530.0-2436.92524402.8190.02.60.02.1620.0021.6360.01.250.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.00.0100.0100.00.0100.0100.00.0100.0100.00.0100.00.0100.00.0100.0100.0100.00.0100.00.0100.0100.0100.00.0100.00.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value7.76.50.06.95.60.05.74.90.05.34.4460.03.6690.03.1520.0-2436.66624402.8190.02.5990.02.1620.0021.6360.01.2490.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.00.0100.0100.00.0100.0100.00.0100.0100.00.0100.00.0100.00.0100.0100.0100.00.0100.00.0100.0100.0100.00.099.90.0

us-gaap:CommonStock


Stock
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302015-12-312015-03-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value0.00.00.00.00.00.00.00.00.00.0-0.0010.00.0010.2590.00.00.0010.00.00.00.00.00.0010.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan0.00.00.00.00.00.00.00.00.00.0-0.00.00.00.00.00.00.00.00.00.00.00.00.10.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value39-0.7307135-4.330593914655839273047665031366224373032162835332230353017382426134135391227455447
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value39-0.7307135-4.330593914655839273047665031366224373032162835332230353017382426134135391227455447
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.099.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.0100.099.9100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.00.10.00.00.00.00.00.00.00.00.00.00.0-0.0190.0030.0060.010.0020.0040.0070.0060.0030.0030.0010.0050.0030.0040.0030.0080.0020.0040.0030.0070.0030.0040.0050.010.0070.0070.0080.0080.0040.010.0150.017
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation0.0-0.00.30.00.0-0.00.00.00.00.00.00.00.00.0-0.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.10.00.00.00.0

us-gaap:StraightLineRent

us-gaap:StraightLineRent


Straight
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value10411914368545683885.75.363136.83.9883436357916181685222125561924216130262671
Percentage of StraightLineRent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TemporaryEquityForeignCurrencyTranslationAdjustments

us-gaap:TemporaryEquityForeignCurrencyTranslationAdjustments


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-3.5-0.233120.9-32.1-4.0-15.41.29.937-56.0-51.2-22.324-12.34.651
Percentage of TemporaryEquityForeignCurrencyTranslationAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired us-gaap:StatementEquityComponents

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStock


Treasury
Period End2020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302017-12-312017-09-302013-12-312013-09-302013-06-302013-04-192013-03-312012-12-312012-10-182012-09-302012-07-202012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.00.0510.2130.3020.6240.7220.6420.2570.00.9861370.7877640.2058140.164120.6193140.0166890.10.01790.0905270.0790.5609423.2227761.9744372.3897471.4606823.17393.4550561.183431
Percentage of TreasuryStockSharesAcquired0.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312013-12-312013-09-302013-06-302013-03-312013-02-212012-12-312012-09-302012-06-302012-04-242012-03-312011-12-312011-09-302011-06-302011-03-312011-02-112010-12-312010-09-302010-06-302010-03-31
Value0.00.01045438910089354162240.07062121.2455.8955.9141.64.92430168102122587414914451
Percentage of TreasuryStockValueAcquiredCostMethod0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:PlanName

amt:A2011Buyback


Treasury
Period End2021-06-302021-03-312020-09-302018-12-312018-09-30
Value0.015000.04389
Percentage of TreasuryStockValueAcquiredCostMethod0.00.00.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312013-12-312013-09-302013-06-302013-04-192013-03-312012-12-312012-10-182012-09-302012-07-202012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.01045438910089354162240.070621612451.24.61.35.9144.924301681021227414914451
Percentage of TreasuryStockValueAcquiredCostMethod0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.00.078.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromAcquisition

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromAcquisition


Unrecognized
Period End2020-09-302020-06-30
Value6.715
Percentage of UnrecognizedTaxBenefitsDecreasesResultingFromAcquisition100.0100.0

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation


Unrecognized
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302018-12-312018-09-30
Value2.2-3.2-0.50.9-1.13.7-1.82.4
Percentage of UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions


Unrecognized
Period End2021-06-302021-03-312017-09-30
Value161.50.4
Percentage of UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities


Unrecognized
Period End2020-12-312020-09-302020-06-30
Value-100000.003600000.0
Percentage of UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities100.00.0100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value293.77.0999999999999986.61.01.76.02.11.11.15.31.00.71.01.6081.0451.01.32.21.82.23.2-2.20.70.60.9-8.21.81.91.3-0.10.91.31.4-6.81.31.21.45.61.21.51.3
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromForeignCurrencyTranslation

us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromForeignCurrencyTranslation


Unrecognized
Period End2020-09-302019-06-302017-09-302016-06-30
Value500000.0700000.01000000.0400000.0
Percentage of UnrecognizedTaxBenefitsIncreasesResultingFromForeignCurrencyTranslation100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations

us-gaap:UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations


Unrecognized
Period End2021-06-302020-12-312020-09-302016-12-312016-09-302015-12-312015-09-302014-12-312014-09-30
Value2.00.7251.3681.80.4043.13.9491.4
Percentage of UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableLeasePayment

us-gaap:VariableLeasePayment


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value85697769716170677052
Percentage of VariableLeasePayment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1.7371.8082.392.4312.7773.0663.1343.273.2322.8653.3963.553.1892.924.4084.0953.8293.8523.7794.2884.1543.7163.9743.5894.0384.424.2434.0684.5680.03.6514.1312.8532.2913.734
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:WriteOffOfDeferredDebtIssuanceCost

us-gaap:WriteOffOfDeferredDebtIssuanceCost


Write
Period End2020-07-06
Value34
Percentage of WriteOffOfDeferredDebtIssuanceCost100.0

amt:AccruedDividendRsu

amt:AccruedDividendRsu


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-31
Value9.27.61210141310
Percentage of AccruedDividendRsu100.0100.0100.0100.0100.0100.0100.0

amt:AccruedPassThroughCosts

amt:AccruedPassThroughCosts


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value7778677576647474768071746852597968
Percentage of AccruedPassThroughCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:AccruedPropertyAndRealEstateTaxes

amt:AccruedPropertyAndRealEstateTaxes


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value234222219212203196198195189177169166160156154149161149138114108817574766561646557544644393646
Percentage of AccruedPropertyAndRealEstateTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:AcquisitionRelatedPayablesCurrent

amt:AcquisitionRelatedPayablesCurrent


Acquisition
Period End2021-06-302021-03-312020-12-31
Value181558
Percentage of AcquisitionRelatedPayablesCurrent100.0100.0100.0

amt:AcquisitionsPayable

amt:AcquisitionsPayable


Acquisitions
Period End2020-12-31
Value58
Percentage of AcquisitionsPayable100.0

amt:AggregatePurchaseOptionPriceForTowers us-gaap:CounterpartyName

amt:AggregatePurchaseOptionPriceForTowers

amt:ATandTTransaction


Aggregate
Period End2021-06-30
Value1000
Percentage of AggregatePurchaseOptionPriceForTowers100.0

amt:AtTTransaction


Aggregate
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value997973951929960937955933911891892871851831816796778760748730713697691675
Percentage of AggregatePurchaseOptionPriceForTowers0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

amt:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet amt:AssetAcquisition

amt:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet

amt:OtherAcquisitions2020


Asset
Period End2020-12-31
Value1118
Percentage of AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet100.0

amt:AssetAcquisitionAssetsAcquiredandLiabilitiesAssumedNet amt:AssetAcquisition

amt:AssetAcquisitionAssetsAcquiredandLiabilitiesAssumedNet

amt:Acquisitions2020


Asset
Period End2020-09-30
Value303
Percentage of AssetAcquisitionAssetsAcquiredandLiabilitiesAssumedNet100.0

amt:Acquisitions2021


Asset
Period End2021-03-31
Value77
Percentage of AssetAcquisitionAssetsAcquiredandLiabilitiesAssumedNet0.0

amt:AssetAcquisitionAssetsAcquiredandLiabilitiesAssumedNet us-gaap:AssetAcquisition

amt:Acquisitions2021


Asset
Period End2021-06-30
Value294
Percentage of AssetAcquisitionAssetsAcquiredandLiabilitiesAssumedNet0.0

amt:AssetAcquisitionAssetsCurrent amt:AssetAcquisition

amt:AssetAcquisitionAssetsCurrent

amt:Acquisitions2020


Asset
Period End2020-09-30
Value20
Percentage of AssetAcquisitionAssetsCurrent100.0

amt:Acquisitions2021


Asset
Period End2021-03-31
Value0.3
Percentage of AssetAcquisitionAssetsCurrent0.0

amt:OtherAcquisitions2020


Asset
Period End2020-12-31
Value40
Percentage of AssetAcquisitionAssetsCurrent0.0

amt:AssetAcquisitionAssetsCurrent us-gaap:AssetAcquisition

amt:Acquisitions2021


Asset
Period End2021-06-30
Value8.2
Percentage of AssetAcquisitionAs