IPG


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

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued
us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostOfGoodsAndServicesSold

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:LongtermDebtType

us-gaap:GeneralAndAdministrativeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

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

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets
us-gaap:StatementBusinessSegments

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:OtherAssetsCurrent

us-gaap:Land

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:FurnitureAndFixturesGross

us-gaap:LeaseholdImprovementsGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:LongTermDebtNoncurrent
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
us-gaap:StatementBusinessSegments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividendsCommonStock
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

ipg:CashAwardsGrantedDuringPeriodTargetValue

ipg:ChangesInTemporaryEquity
us-gaap:StatementEquityComponents

ipg:ChangesrelatedtoCECLASU
us-gaap:StatementEquityComponents

ipg:Discountrateceilingcontingentacquisitionobligations

ipg:Discountrateceilinglongtermdebt

ipg:Discountratefloorcontingentacquisitionobligations

ipg:Discountratefloorlongtermdebt

ipg:EBITA
us-gaap:StatementBusinessSegments

ipg:IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsandNoncontrollingInterest

ipg:NoncontrollingInterestRelatedToRedeemableNoncontrollingInterests

ipg:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansOtherBeforeTax

ipg:OtherExpenseNetOther

ipg:ReclassificationsFromAccumulatedOtherComprehensiveLossToEarningsNetOfTax

ipg:RecoveryofDirectCostsExpenses

ipg:RedeemableNoncontrollingInterestsPeriodIncrease

ipg:RedeemableNoncontrollingInterestsRedemptionValueAdjustments

ipg:RestrictedCashPlancashawardsgrantedduringtheperiodtargetvalue

us-gaap:AdjustmentForAmortization
us-gaap:StatementBusinessSegments

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanActuarialGainLoss
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanContributionsByEmployer
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:Depreciation
us-gaap:StatementBusinessSegments

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItem
us-gaap:ForeignIncomeTaxExpenseBenefitContinuingOperations

us-gaap:GainLossOnSaleOfBusiness

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInOtherReceivables

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestIncomeDepositsWithFinancialInstitutions

us-gaap:LaborAndRelatedExpense
us-gaap:ShortTermDebtType
us-gaap:LineOfCreditFacilityAverageOutstandingAmount

us-gaap:MinorityInterestChangeInRedemptionValue
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromRedemptions

us-gaap:OperatingLeaseImpairmentLoss
us-gaap:RestructuringCostAndReserve
us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax
us-gaap:LongtermDebtType

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationBeforeTax

us-gaap:OtherComprehensiveIncomeLossTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherRestructuringCosts
us-gaap:RestructuringCostAndReserve

us-gaap:PaymentsForPreviousAcquisition

us-gaap:PaymentsForProceedsFromOtherInvestingActivities
us-gaap:LongtermDebtType
us-gaap:PaymentsOfDebtExtinguishmentCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToMinorityShareholders

us-gaap:ProceedsFromHedgeInvestingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:RecoveryOfDirectCosts
us-gaap:LongtermDebtType
us-gaap:RedemptionPremium

us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminated

us-gaap:RestructuringCharges
us-gaap:RestructuringCostAndReserve
us-gaap:StatementBusinessSegments

us-gaap:RestructuringCosts

us-gaap:SeveranceCosts1
us-gaap:RestructuringCostAndReserve
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:StatementEquityComponents
us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation
us-gaap:ShortTermDebtType
us-gaap:ShortTermDebtWeightedAverageInterestRateOverTime
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents

us-gaap:TaxAdjustmentsSettlementsAndUnusualProvisions

us-gaap:TaxesOther

dei:EntityCommonStockSharesOutstanding

ipg:AcquisitionObligations

ipg:AcquisitionObligationscurrent

ipg:CashDebtPoolingArrangementsAmountNetted

ipg:Cashpoolingguarantees

ipg:Commercialpaperborrowingcapacity

ipg:DeferredTaxAssets

ipg:DeferredTaxAssetsInterest

ipg:DeferredTaxLiabilitiesByJurisdiction

ipg:DeferredTaxLiabilitiesROU

ipg:DomesticPensionPlanDiscountRate

ipg:ForeignPensionPlanDiscountRate

ipg:GuaranteeObligationsCurrentCarryingValueCreditfacilities

ipg:GuaranteeObligationsCurrentCarryingValueLeases
us-gaap:RetirementPlanType
ipg:InterestCreditingRateUsedtoCalculateObligation
us-gaap:LineOfCreditFacility
ipg:LineofCreditFacilityAvailableCapacityIncreaseAmount
us-gaap:LineOfCreditFacility
ipg:LineofCreditFacilityLimitsonLettersofCredit

ipg:NumberOfReportingUnitsForPurposesOfAnnualGoodwillImpairmentTest

ipg:OfficeAndRelatedExpensesCurrent

ipg:OperatingLeaseLiabilityLeasesNotCommenced

us-gaap:AccruedIncomeTaxes

us-gaap:AccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AreaOfRealEstateProperty

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet

us-gaap:CapitalizedComputerSoftwareGross

us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

us-gaap:CashSurrenderValueOfLifeInsurance

us-gaap:ContractWithCustomerAssetNet

us-gaap:DebtInstrumentCarryingAmount
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFaceAmount
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet
us-gaap:Range
us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent
us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsGross
us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredTaxAndOtherLiabilitiesNoncurrent

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsNetNoncurrent

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesTaxDeferredIncome

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:SubsequentEventType
us-gaap:DividendsPayableAmountPerShare

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:InterestPayableCurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:LineOfCreditFacility
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:ShortTermDebtType

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:LineOfCreditFacility
us-gaap:LineOfCredit
us-gaap:LineOfCreditFacility
us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity
us-gaap:ShortTermDebtType
us-gaap:LineOfCreditFacility
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:LineOfCreditFacility
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:ShortTermDebtType
us-gaap:ShortTermDebtType
us-gaap:LinesOfCreditCurrent

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

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherIntangibleAssetsNet
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PrescriptionDrugSubsidyReceiptsNextTwelveMonths
ipg:ContingentAcquisitionObligations
us-gaap:RecordedUnconditionalPurchaseObligation
ipg:ContingentAcquisitionObligations
us-gaap:RecordedUnconditionalPurchaseObligationDueAfterFifthYear
ipg:ContingentAcquisitionObligations
us-gaap:RecordedUnconditionalPurchaseObligationDueInFifthYear
ipg:ContingentAcquisitionObligations
us-gaap:RecordedUnconditionalPurchaseObligationDueInFourthYear
ipg:ContingentAcquisitionObligations
us-gaap:RecordedUnconditionalPurchaseObligationDueInSecondYear
ipg:ContingentAcquisitionObligations
us-gaap:RecordedUnconditionalPurchaseObligationDueInThirdYear
ipg:ContingentAcquisitionObligations
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear

us-gaap:RedeemableNoncontrollingInterestEquityFairValue

us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminatedInceptionToDatePercent

us-gaap:RestructuringReserve
us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringReserveCurrent

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShortTermBorrowings
us-gaap:ShareRepurchaseProgram
us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:SupplementalUnemploymentBenefitsDisabilityRelatedBenefits

us-gaap:UnamortizedDebtIssuanceExpense
us-gaap:LongtermDebtType

us-gaap:UnbilledReceivablesCurrent

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:LongtermDebtType
us-gaap:UnsecuredDebt

us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Finite Lived Intangible Assets Net
Assets
Property Plant And Equipment Net
Current Assets
Other Assets Current
NonCurrent Assets
Deferred Income Tax Assets Net
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Other Accrued Liabilities Current
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Common Stock Dividends Per Share Declared
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Amortization Of Financing Costs And Discounts
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Common Stock Shares Issued
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂████▇▇▇▆▆▆▆▆▆▆▅▅39.339.339.038.938.938.938.738.738.638.638.339.139.039.038.639.939.939.839.440.740.740.740.441.541.541.441.253.353.353.253.051.251.150.948.848.848.748.748.248.248.147.747.5NANANA
us-gaap:CommonStockSharesIssued NANA390.9NANANA387.0NANANA383.6NANANA386.2NANANA394.3NANANA406.3NANANA414.6NANANA532.3NANANA492.1NANANA491.4NANANA489.5NANANA
 us-gaap:CommonStockSharesIssued us-gaap:StatementEquityComponents ipg:CommonStockSharesIssued▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▁▂▂▂▂▃▃▃▂████▇▇▇▆393.5393.2390.9389.7389.6389.5387.0386.9386.4386.2383.6391.1390.5390.3386.2399.4399.3398.8394.3410.3410.1407.0406.3417.4417.2416.9414.6535.8535.6535.1532.3514.5513.3511.4492.0NANANANANANANANANANANA
us-gaap:CommonStockSharesOutstanding NANA390.9NANANA387.0NANANA383.6NANANA383.2NANANA391.6NANANA403.2NANANA413.8NANANA424.5NANANA417.5NANANA449.5NANANA489.1NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁399.0396.0NA393.9389.4391.7NA391.8391.2384.5NA388.4389.5383.4NA397.2400.3399.3NA407.9409.8409.3NA415.5417.6NANA426.4428.1NANA426.1448.3NANA456.1477.7NANA537.6546.9NANA533.6544.9NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁393.3391.5NA389.6389.4387.7NA386.7386.2384.5NA382.6383.6383.4NA389.5392.3391.7NA397.7400.1400.6NA407.6410.5NANA419.2421.1NANA419.7425.1NANA431.3437.4NANA464.7473.1NANA474.7473.0NA
us-gaap:EarningsPerShareBasic ▇▄▄▇▁▂█▅▅▂█▅▅▂█▅▄▂█▄▅▂▇▃▄▂▇▄▄▂▅▃▃▁▇▃▄▁▆▅▄▁▅▃▄▁0.670.230.290.72-0.120.010.850.430.44-0.020.850.420.38-0.040.820.380.240.050.810.320.390.010.650.180.30.00.750.210.24-0.050.450.110.19-0.140.740.160.23-0.10.580.450.21-0.10.410.090.22-0.15
us-gaap:EarningsPerShareDiluted ▇▄▄▇▁▂█▅▅▂█▅▅▂█▅▄▂█▄▅▂▇▃▄▂▇▄▄▂▅▃▃▁▇▃▄▁▆▅▃▁▅▃▃▁0.660.230.280.71-0.120.010.840.420.43-0.020.840.410.37-0.040.810.370.240.050.780.320.380.010.630.180.290.00.730.210.23-0.050.440.110.18-0.140.680.150.22-0.10.50.40.19-0.10.360.080.15-0.15
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 TTM Greenblatt ROC _ _▇▆▆▆▅▅█▆▆▅█▆▆▅█▆▆▅▁▆▆▅▁▆▆▄▁▆▆▄▇▅▆▄▇▅▆▄▇▆▆▄▇384.4243.0223.4248.640.575.9491.3280.3264.250.2459.1261.7249.238.8518.3219.1206.529.7-485.1207.2224.820.9-456.4191.9215.87.8-433.0171.3195.8-11.7324.4141.5174.8-42.4409.9131.4176.4-39.4385.3173.2174.0-45.3330.7NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▇▄▆█▃▁█▅▅▃▇▅▃▃▇▆▅▄▆▄▅▄▆▃▅▁▅▃▅▃▅▄▃▂▆▄▅▃▆▄▅▃273.375.6199.9341.04.0-144.0365.1117.3181.33.4310.4139.133.222.9321.9187.7129.974.6217.963.1147.163.5240.9-15.5150.1-129.8167.4-22.4127.2-20.6151.274.412.8-93.7185.882.3115.40.9217.876.0131.80.0NA124.332.4NA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▄▃▄▃▃▂▆▃▄▂▇▃▃▂▇▃▃▂▇▄▄▂█▃▄▂█▄▄▂▇▃▃▂█▂▃▂▇▄▄▁4.60.66.1-0.81.3-4.213.81.43.6-1.615.82.0-0.1-1.717.82.50.1-2.917.05.42.7-2.221.40.82.7-3.220.43.44.0-2.118.30.71.5-3.420.3-3.32.0-2.215.64.44.5-7.8NA1.30.6NA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▇▄▆▇▃▁█▅▅▃▇▅▃▃▇▅▅▄▆▄▅▄▆▃▅▁▅▃▅▃▅▄▃▂▆▄▅▃▆▄▅▃▇▅▃▂277.976.2206.0340.25.3-148.2378.9118.7184.91.8326.2141.133.121.2339.7190.2130.071.7234.968.5149.861.3262.3-14.7152.8-133.0187.8-19.0131.2-22.7169.575.114.3-97.1206.179.0117.4-1.3233.480.4136.3-7.8266.6125.633.0-84.5
us-gaap:CostOfGoodsAndServicesSold ▄▃▄▁▂▆█▅▆▆▇▄▅▅▅▃▃▃2025.91915.31976.61748.71795.42188.72320.62079.02162.82166.72247.01970.22069.82049.22084.81897.41898.51952.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt █▁0.0-74.0NANANA-0.0NANANANANANANANANANANANANANANANANANANANA20.80.0-10.4NA0.0-45.20.0NA0.00.0NANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:LongtermDebtType ipg:UnsecuredDebt3750NoteDueIn2023▁█0.036.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:LongtermDebtType ipg:UnsecuredDebt4000Note▁█0.09.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:LongtermDebtType ipg:UnsecuredDebt4200NotesRemainingPrincipal▁█0.028.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▁▁▃▁▂▃▄▃▄▄▃▂▂▂▇▅▅▅▆▆▆▅▇▆▅▅▇▆▆▆█▆▆▅▇▆▅▅█▆▆▅█▅▅▄301.0292.9364.8307.9317.0378.2419.7367.9387.3389.2381.0317.0333.3323.8496.9455.9439.1448.8470.0486.2464.1450.2504.7471.4455.1453.0507.6474.6485.4460.6538.1465.3461.2453.3519.6474.7450.4441.3548.8465.5470.8439.2533.3444.7442.9416.8
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▆▃▄▄▂▂▇▅▅▂▇▅▅▂█▄▄▂▇▄▄▂▇▄▄▂▇▄▄▂▆▃▄▁█▃▄▁▆▅▄▁▆▃▄▁354.1116.4173.6192.6-24.920.0427.8232.7216.51.3403.9224.1211.5-1.5498.8192.3170.114.8441.1196.3205.8-13.0427.8139.0201.0-5.6418.6157.5168.6-24.0314.177.0147.9-71.0476.8108.2155.1-65.3370.4287.1155.9-75.0320.269.2146.2-85.0
us-gaap:IncomeTaxExpenseBenefit ▆▄▅▁▄▄▆▅▅▄▅▅▅▄█▅▅▃▆▅▅▃▇▅▆▃▆▅▅▃▆▄▅▃▇▅▅▃▆▅▅▃▆▄▅▃86.723.858.1-86.319.017.286.164.643.610.562.260.763.612.7166.142.575.4-2.1106.163.843.7-15.6145.461.177.7-1.487.965.065.3-1.7103.228.462.0-12.4140.541.950.1-19.293.770.447.6-21.598.924.463.3-15.3
us-gaap:InterestExpense ▆█▇██▆▇████▃▂▁▂▁▂▁▁▁▂▂▂▁▁▁▁▁▂▁▂▂▅▅▅▄▄▄▅▄▄▄▅▄▄▄42.649.646.850.849.844.848.249.751.649.849.427.626.119.923.221.025.720.921.821.724.522.623.321.320.320.921.420.722.620.224.723.737.536.836.631.632.732.638.932.933.131.937.434.735.032.6
us-gaap:InterestIncomeExpenseNonoperatingNet NANA-40.0-44.7-43.9-34.1-38.7-40.2-43.9-42.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▇▄▄▇▁▂█▅▅▂█▅▅▂█▅▄▃█▄▅▂▇▃▄▂█▄▄▂▆▃▄▁█▃▄▁▇▆▄▁▆▃▄▁263.391.7112.3279.7-45.64.7328.9165.6169.5-8.0326.2161.0145.8-14.1316.6146.294.721.5317.6128.6156.95.4260.374.9121.2-1.8308.989.799.4-20.9193.148.382.8-56.3316.271.6101.9-43.0261.9211.0104.6-45.2197.945.382.5-64.6
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest █▁4.50.7NA-1.21.7-2.1NA2.83.3-1.516.32.52.0-2.016.92.6-0.1-3.419.34.13.3-2.722.63.12.6-2.422.43.14.3-1.519.00.93.3-2.220.9-3.93.6-2.716.46.54.3-8.024.90.30.6-5.7
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic NANA112.3279.7-45.64.7328.9165.6169.5-8.0326.2161.0145.8-14.1316.6146.294.721.5317.6128.6156.95.4260.374.9121.2-1.8308.989.799.4-20.9193.145.479.9-59.2313.368.799.0-45.9259.0208.1101.7-48.1195.042.4105.3-71.5
us-gaap:NonoperatingIncomeExpense ▄▁▃▃▃▃▃▃▃▃▃▄▄▄▄▄▄▄▆▄▄▄▆▃▄▄▅▄▄▄▄▃▄▄▇▄▄▄▄█▄▄▄▄▄▄-30.3-126.6-49.8-56.0-65.4-55.9-63.5-47.6-47.7-48.9-55.2-37.6-37.7-40.3-19.5-26.8-36.4-14.944.0-10.9-19.0-33.928.6-52.9-14.8-13.414.4-13.8-27.2-12.3-10.3-64.5-26.9-28.666.9-23.2-21.3-25.9-14.9113.9-18.1-29.7-10.5-31.0-31.0-25.6
us-gaap:OperatingExpenses ▄▃▇▁▂▆█▅▆▇█▃▄▄▅▂▂▃2125.22014.02326.61876.91985.22283.92410.52157.82256.02311.02396.92035.82142.62130.32166.81953.21960.12029.1NANANANA1739.81673.61660.3NA1774.11669.81655.6NANANANANANANANANANANANANANANANANA
us-gaap:OperatingIncomeLoss ▇▆▆▆▅▅█▆▆▅█▆▆▅█▆▆▅▁▆▆▅▁▆▆▄▁▆▆▄▇▅▆▄▇▅▆▄▇▆▆▄▇▅▆▄384.4243.0223.4248.640.575.9491.3280.3264.250.2459.1261.7249.238.8518.3219.1206.529.7-485.1207.2224.820.9-456.4191.9215.87.8-433.0171.3195.8-11.7324.4141.5174.8-42.4409.9131.4176.4-39.4385.3173.2174.0-45.3330.7100.2177.2-59.4
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▅▄█▇▆▁▆▄▅▅▄▄▂▆▆▆▆▆▂▅▅▇▄▃▆▁▂▂▆▅▄▆▃▄▅▆▃▆▅▁▆14.4-40.3108.456.146.1-151.251.2-51.58.89.5-28.7-24.6-115.534.917.530.733.351.8-98.00.2-10.355.9-29.2-94.125.4-135.6-105.3-113.525.5-1.9-28.224.0-74.5-38.8-6.437.3-66.345.1-20.3-137.822.3NANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆▅█▇▇▁▆▄▆▆▅▅▂▆▆▇▆▇▂▄▅▇▅▃▆▂▁▂▆▅▄▆▃▄▂▆▆▇▄▁▆10.1-16.289.061.749.2-150.836.7-49.712.111.3-16.3-22.4-114.737.36.241.435.453.6-102.0-64.2-10.458.6-20.6-92.729.0-128.8-143.5-111.827.5-0.3-42.625.9-71.8-38.6-131.011.311.944.4-44.9-137.127.4NANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▄▁▃▃▃▃▃▃▄▃▃▃▃▃▄▃▃▄▄▄▄▃▃▂▄▄▄▄▃▄▄▂▄▄▇▄▄▄▄█▄▃▄▄▄▄4.7-83.9-9.8-11.3-21.5-21.8-24.8-7.4-3.8-6.9-13.6-15.3-16.3-24.4-1.7-9.9-15.40.826.26.1-0.1-17.1-10.3-37.20.50.30.10.6-11.21.77.7-46.64.81.895.41.74.7-1.313.9137.15.3-6.117.6-3.1-2.10.5
us-gaap:ProfitLoss ▇▅▆▇▄▄█▆▆▄█▆▆▄█▆▅▅▁▆▆▄▇▅▆▄█▅▆▄▇▅▅▄█▅▆▄▇▇▆▄▇▅▅▄267.892.4117.0278.5-43.92.6342.2168.4172.8-9.5342.5163.5147.8-16.1333.5148.894.618.1-336.9132.7160.22.7282.978.0123.8-4.2331.392.8103.7-22.4212.149.286.1-58.5337.167.7105.5-45.7278.3217.5108.9-53.2222.845.683.1-70.3
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▇▅▇▅▄▅█▆▆▅█▅▅▄▆▄▄▃▇▅▅▄▆▄▄▃▇▄▄▃▆▃▄▂▆▃▃▂▆▃▄▂▅▂▃▁2269.62027.72284.41954.61853.41972.12433.02061.42125.92004.82413.71895.71948.21774.02131.11832.51834.61675.32264.51922.21917.91742.02196.21865.51876.11676.02207.11841.11851.41637.52122.71700.41756.21543.02063.31670.41715.71506.82072.61726.51740.71474.82005.21553.41611.71337.0
us-gaap:Revenues ▆▅▆▅▄▆█▆▆▆█▅▆▅▅▄▃▃▅▄▄▃▅▃▃▃▅▃▃▂▅▃▃▂▄▂▃▂▄▃▃▂▄▂▂▁2509.62257.02550.02125.52025.72359.82901.82438.12520.22361.22856.02297.52391.82169.12341.01902.61884.91753.92264.51922.21917.91742.02196.21865.51876.11676.02207.11841.11851.41637.52122.71700.41756.21543.02063.31670.41715.71506.82072.61726.51740.71474.82005.21553.41611.71337.0
us-gaap:SellingGeneralAndAdministrativeExpense ▃▃▃▂▁▃▃▂▂▄█▃▃▄▅▂▂▄29.428.222.49.94.122.424.59.818.141.481.021.628.835.149.413.620.335.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▇▆█▆▅▆█▆▆▆▆▃▂▂▃▂▁▂▂▂▁▁▂▁▁▁▃▂▂▂▃▁▂▂▃▂▂▂▃▂▂▂▃17321.716349.718042.716074.714896.916428.917751.915997.616526.916050.015620.313513.112357.612240.112695.211716.111678.211697.912485.211839.511633.911516.812585.111474.111499.311200.212747.211778.412339.711759.212905.011532.012336.712218.313493.911728.711851.611765.912876.611825.912301.612177.213070.8NANANA
us-gaap:Liabilities ▇▆█▆▅▆█▆▇▆▆▄▂▂▂▂▂▂▂▂▁▁▃▁▁▁▃▂▂▁▃▁▂▂▃▁▁▁▂▁▂▁▂14138.213342.915005.713161.312250.613698.914761.613309.113880.213533.613019.611183.210100.29852.910207.39437.99422.59460.310175.79617.19359.59296.610331.49356.09256.19012.710338.69407.29871.49338.110405.18968.99729.39500.610810.19081.99176.99114.110135.99154.79534.09358.510212.7NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▇▆█▆▅▆█▆▆▆▆▃▂▂▃▂▁▂▂▂▁▁▂▁▁▁▃▂▂▂▃▁▂▂▃▂▂▂▃▂▂▂▃17321.716349.718042.716074.714896.916428.917751.915997.616526.916050.015620.313513.112357.612240.112695.211716.111678.211697.912485.211839.511633.911516.812585.111474.111499.311200.212747.211778.412339.711759.212905.011532.012336.712218.313493.911728.711851.611765.912876.611825.912301.612177.213070.8NANANA
us-gaap:StockholdersEquity █▇▇▆▄▅▆▅▄▄▄▃▂▂▃▂▂▂▂▁▂▁▂▁▂▁▂▂▃▃▃▄▄▄▄▄▄▄▄▄▅▅▅3062.92874.02895.02722.62450.42532.52775.92469.02423.92315.32393.22137.92061.72108.52201.02013.41982.51963.02017.11941.41995.61941.51965.51863.81983.91912.72116.32083.32189.32138.82215.22302.62344.32449.32420.62395.82424.02393.92461.72378.62463.62497.92529.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▇▄█▃▁▄▇▃▄▃▅▆▃▃▄▂▂▂▄▂▂▂▄▂▂▁▅▃▄▂▅▂▄▄▇▃▃▃▆▃▄▄▆8782.57770.29367.67284.36214.37596.78770.77050.07475.47247.08182.98330.57145.66963.57464.16463.86486.56589.57438.06733.26625.46486.07693.16668.86637.46387.57810.26900.97401.66881.98084.06762.87604.17448.28738.36974.57237.37112.58286.87229.37593.77474.18453.5NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▇▆▇▅▃▄▃▁▁▁▂▅▁▁▂▂▂▂▃▂▂▂▄▂▂▂▅▂▂▂▅▃▅▅█▃▄▄▇▅▅▅█▆▆▆2340.62015.32509.01628.01085.41554.01192.2520.5614.0630.5673.41860.2493.2597.3790.9704.9657.6775.01097.6891.6672.6673.41502.9874.3848.9734.31660.6896.0895.1771.01636.8999.31613.91645.72574.81187.31502.01573.12302.71785.01809.81840.22675.71927.71929.91928.8
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▇▆█▅▃▅▃▁▁▁▂▆▁▁▂▂▂▂▃▂▂2344.42018.82511.51630.31087.01555.51195.7524.0616.9633.3677.21869.7495.9600.0797.7708.0659.9779.61100.2895.5675.7NA1506.1NANANA1664.4NANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▄▂▆▂▁▃█▄▅▄█▄▅▄▆▃▃▃▅▃▄▃▅▃▄▃▅▃▅▄▆▃▄▄▆▃▃▃▅▃▄▄▅3893.63440.34646.43297.43146.63661.55209.24047.84389.54027.55126.64009.14247.73942.54585.03696.13762.23641.54389.73714.43945.03718.94361.03848.33976.73781.44376.63870.94272.34013.44565.43830.24047.83885.74496.63839.93741.33732.14425.43654.44160.93995.44317.6NANANA
us-gaap:OtherAssetsCurrent ▇▇▅█▇▆▅▆▇▇▇▇▆▆▄▃▃▃▁▂▃▃▁▄▄▄▄▅▆▅▄▅▅▅▄▃▄▄▃▂▂▂▁500.3467.4390.7521.7492.0449.8412.4440.2467.9491.9476.6459.6439.3430.6335.1312.2323.1318.5226.4280.5294.6312.6228.0349.1352.7367.1342.2402.0429.3399.2340.1377.1391.9400.0332.1324.7341.2346.2298.6250.8260.1266.6229.4NANANA
us-gaap:Land NANA144.9NANANA143.3NANANA146.6NANANA79.0NANANA73.1NANANA78.7NANANA87.3NANANA109.6NANANA109.9NANANA111.6NANANA114.5NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NoncurrentAssets NANA2494.0NANANA2843.8NANANA1219.7NANANA1045.1NANANA1004.4NANANA906.8NANANA899.8NANANA884.3NANANA840.1NANANA796.5NANANA791.5NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:GBNANA216.6NANANA167.6NANANA57.9NANANA56.2NANANA52.0NANANA56.3NANANA56.7NANANA60.8NANANA64.3NANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical ipg:SegmentDomesticDomainNANA1801.4NANANA2080.4NANANA892.9NANANA705.5NANANA684.8NANANA600.1NANANA572.9NANANA545.7NANANA502.5NANANA477.2NANANA480.6NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical ipg:SegmentGeographicalGroupsOfCountriesGroupFiveNANA116.5NANANA130.4NANANA45.7NANANA46.1NANANA43.3NANANA38.0NANANA32.4NANANA37.1NANANA38.8NANANA34.5NANANA38.4NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical ipg:SegmentInternationalDomainNANA692.6NANANA763.4NANANA326.8NANANA339.6NANANA319.6NANANA306.7NANANA326.9NANANA338.6NANANA337.6NANANA319.3NANANA310.9NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical srt:AsiaPacificNANA183.1NANANA240.9NANANA121.7NANANA115.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical srt:EuropeNANA117.5NANANA149.7NANANA57.9NANANA73.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical srt:LatinAmericaNANA58.9NANANA74.8NANANA43.6NANANA48.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross NANA1824.2NANANA1894.5NANANA1825.8NANANA1686.6NANANA1583.6NANANA1529.1NANANA1618.2NANANA1651.7NANANA1639.7NANANA1586.1NANANA1601.4NANANA
us-gaap:FurnitureAndFixturesGross NANA654.6NANANA694.3NANANA681.7NANANA634.8NANANA604.2NANANA585.1NANANA640.7NANANA930.7NANANA932.6NANANA881.5NANANA881.5NANANA
us-gaap:LeaseholdImprovementsGross NANA554.6NANANA634.9NANANA629.0NANANA641.5NANANA599.8NANANA570.1NANANA594.0NANANA611.4NANANA597.2NANANA593.0NANANA605.4NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▄▁▅▄1197.51162.71133.91169.81163.7NA1116.41097.41103.41061.61034.91026.81014.71057.11036.21045.51020.7989.0961.6989.3966.2969.7961.9987.21069.41057.61070.01086.11112.11103.91111.71160.21144.61136.01134.91139.41128.21145.01126.31180.11206.61181.81147.1NANANA
us-gaap:PropertyPlantAndEquipmentNet ▅▆▆▆▇▇█▇███▄▄▅▅▅▅▅▅▄▄▃▄▃▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁658.2667.0690.3709.8717.8752.8778.1758.2767.1767.1790.9602.9602.0634.2650.4637.5635.0616.3622.0581.6569.7565.1567.2519.2526.4523.3548.2530.2537.1534.3540.0490.5475.9485.6504.8466.7447.0451.1459.8441.5450.8445.5454.3NANANA
us-gaap:Goodwill █████▇█████▃▃▃▃▃▃▂▂▃▂▂▂▂▂▂▂▂▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁4944.34934.34945.54875.44842.44826.54894.44847.44884.14885.24875.93784.73788.13839.73820.43799.93753.13703.53674.43715.33662.23681.83608.53591.33626.33595.03669.23686.43714.83663.13629.03609.33580.73588.93580.63574.33461.73463.03444.33405.43427.13407.73368.5NANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA933.6NANANA1014.3NANANA1094.8NANANA140.7NANANA148.1NANANA148.3NANANA175.0NANANA163.8NANANA140.7NANANA134.3NANANA123.1NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:CustomerListsNANA566.2NANANA616.8NANANA666.3NANANA95.1NANANA101.0NANANA99.0NANANA116.5NANANA108.3NANANA87.1NANANA84.2NANANA78.0NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:OtherIntangibleAssetsNANA10.6NANANA10.5NANANA10.6NANANA10.6NANANA10.5NANANA10.0NANANA10.3NANANA10.2NANANA9.4NANANA9.5NANANA9.7NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:TechnologyBasedIntangibleAssetsNANA176.5NANANA202.1NANANA228.5NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:TradeNamesNANA180.3NANANA184.9NANANA189.4NANANA35.0NANANA36.6NANANA39.3NANANA48.2NANANA45.3NANANA44.2NANANA40.6NANANA35.4NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA77.1NANANA-10.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▇▇▇█▇████▇▁1336.31361.21379.31550.21435.81525.41574.41573.51596.51355.50.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▁▁▂▁▂▄▄▃▃▂▂▆█▇▆▇▇▇▇▆▅▆▅▅▅▅▆▅▆▆▆▅▅▆▆▇▅▅▄▂▃▃▃411.1407.8424.4414.3430.8466.1467.9457.1454.0435.1428.9524.8560.9529.6524.3544.0542.7545.0530.5510.7502.4506.9487.9490.9505.0501.4526.7500.3515.2517.7508.0498.1497.6513.2509.7530.5502.4484.5471.2440.5457.0451.0460.3NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent ▇▅█▃▂▄█▅▅▅▇▄▅▄▇▄▅▅▆▅▅▅▇▅▅▄▆▅▆▅▇▅▅▅▇▅▅▅▇▅▁▁▂6605.95862.07269.75105.94328.15559.57205.45656.06022.35733.76698.15515.15738.85467.16907.85561.15872.05672.66303.66025.95857.75785.16672.05753.45669.85468.56558.05875.06414.86048.56914.25705.65891.05650.26584.85846.86026.65929.16647.25934.24064.74010.64474.5NANANA
us-gaap:AccruedLiabilitiesCurrent ▁▁▂▁▁▁▂▁▁▁▂▁▁▁▁▁▁▁▂▁▁▁▂▁▁▁▂▁▁▁▂▁▁▁▂▁▁▁▂▁▇▇█679.8608.9832.4644.7599.3539.5742.8634.3626.4663.6806.9571.0551.5528.1674.7550.7513.1572.0794.0631.7588.4620.6760.3688.9603.8618.7796.0638.8594.8587.4718.4553.3548.6596.4728.2650.0593.9676.7827.1624.02849.42733.63112.7NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ██▇▅▃▄▄▄▄▄▃▂▂▂▁678.5689.1657.8611.3557.6571.5585.6562.4585.2575.9533.9514.4510.8507.5484.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▆▅█▃▁▄█▃▄▄▅▂▄▃▄▃▃▃▄▂▂▂▄▂▁▁▄▂▃▃▅▁▃▁▄▂▃▃▅▃▄▃▄8796.77984.59580.57227.96366.57795.99420.47398.47731.37531.18123.96691.77585.37322.57678.26946.36946.26990.77706.06815.16682.36539.47584.36572.66433.66224.97463.36644.37138.27160.28165.36447.47220.46408.27701.76914.47015.26987.18032.67116.67512.77312.87740.9NANANA
us-gaap:LongTermDebtCurrent ▇▇▇▇▇▇▇▁▁▁▁▁▁▁▁▅▅▅▅▁▁▁▁▁▁▁▁▁▁▅▅▁█▁▄▄▄▄▆▆▆▆▁503.1502.8502.5506.6503.0502.5502.03.30.30.10.10.10.12.12.0301.9301.7324.1323.924.524.52.01.92.02.02.02.12.22.4353.2353.62.2594.81.9216.6217.1217.7219.8404.8408.5448.6452.438.9NANANA
us-gaap:OperatingLeaseLiabilityCurrent ██████████▁267.9268.8268.5263.6258.5257.4267.2261.6261.0263.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▃▃▃▁▁▅▇▄▇▇█▄▄▅▅▃▃▅█▅▆█▇▆▅▄▅▃▄▄▅▃▃▃▄▇▅▆▇▄▅97.491.890.771.967.7112.7135.7110.4138.7138.1150.5110.2109.4118.1121.490.492.4115.3153.5110.9125.7152.4136.2124.7114.2108.4122.096.4105.1109.6118.886.888.893.8104.8141.6121.6132.1139.3100.6113.5NA118.9NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebtNoncurrent ▆▆▆▇▇▇▆▇███▇▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▁▁▂▂▄▄▁▁▁▁▁▁▁▂2907.92906.92915.83411.33411.73410.92771.93367.13563.83663.73660.23261.41282.71288.21285.61285.01283.11281.91280.71583.31583.61609.91610.31621.31622.81620.61623.51626.81629.91130.71129.81481.01478.62071.62060.81263.11238.71239.71210.91166.21167.81165.91583.3NANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType us-gaap:DomesticPlanNANA15.9NANANA17.8NANANA25.6NANANA26.6NANANA31.4NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType us-gaap:ForeignPlanNANA147.8NANANA136.0NANANA134.5NANANA180.6NANANA166.8NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType us-gaap:OtherPostretirementBenefitPlansDefinedBenefitNANA23.3NANANA24.5NANANA24.8NANANA28.7NANANA29.1NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest █▇█▄▅▆█▃▃▅▅▃▂▃▃▁▂▃▅▃▃▃▄▁▂▃▃▃▃▃▄▂▃▃▄▂▁▃▄▃▃▃▄48.447.648.938.040.742.749.734.134.539.339.632.329.931.834.826.829.833.439.634.132.532.436.327.829.232.034.932.632.632.535.630.932.133.136.030.728.434.235.634.931.934.937.9NANANA
us-gaap:OtherLiabilitiesNoncurrent ▆▅▅▅▇▇▆▆▆▆████▇▇▇▇▆▇▆▇▆▆▆▆▆▅▅▄▄▄▄▄▄▂▃▂▂▁▁▁▁671.5660.3655.2662.6749.2732.6714.7714.4720.3713.3812.8791.6786.8785.1766.9749.4731.4728.4708.3733.0685.0733.2672.6699.2719.3694.0723.9660.3616.4563.0595.7557.2558.6555.1558.6473.9502.2467.3452.1424.6402.1402.8402.4NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ████▇████▇▁1379.51414.21441.01471.31347.71386.71429.61434.41463.21223.60.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA302.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA241.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA212.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA194.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA735.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity █▇▇▆▄▅▆▅▄▄▄▃▂▂▃▂▂▂▂▁▂▁▂▁▂▁▂▂▃▃▃▄▄▄▄▄▄▄▄▄▅▅▅3062.92874.02895.02722.62450.42532.52775.92469.02423.92315.32393.22137.92061.72108.52201.02013.41982.51963.02017.11941.41995.61941.51965.51863.81983.91912.72116.32083.32189.32138.82215.22302.62344.32449.32420.62395.82424.02393.92461.72378.62463.62497.92529.0NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █▇▇▆▄▅▆▅▄▄▄▃▂▂▃▂▂▂▂▁▂▁▂▁▂▁▂▂▃▃▃▄▄▄▄▄▄▄▄▄▄▅▅▄▃▄3111.32921.62943.92760.62491.12575.22825.62503.12458.42354.62432.82170.22091.62140.32235.82040.22012.31996.42056.71975.52028.11973.92001.81891.62013.11944.72151.22115.92221.92171.32250.82333.52376.42482.42456.62426.52452.42428.12497.32413.52495.52532.82566.92331.52207.82464.5
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂████▇▇▇▆▆▆▆▆▆▆▅▅39.339.339.038.938.938.938.738.738.638.638.339.139.039.038.639.939.939.839.440.740.740.740.441.541.541.441.253.353.353.253.051.251.150.948.848.848.748.748.248.248.147.747.5NANANA
us-gaap:AdditionalPaidInCapital ▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▃▃▃▃▃▃▃▃████▇▇▇▆▆▆▆▆▆▆▆▆1132.41107.91099.31028.1996.3981.2977.3941.0921.4903.3895.91041.81022.9963.7955.21235.71220.21199.71199.21481.21460.41434.01404.11613.61597.41580.01547.53024.43017.23002.72975.22754.12735.72705.62465.42448.52446.92437.22427.52397.42398.02436.02456.8NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ████▇██▇▇▇▇▆▆▆▆▆▆▆▆▅▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁2777.52623.12636.92623.42444.32591.12689.92455.52381.82303.12400.12158.42076.72010.52093.61849.81774.91751.21804.31546.61475.31379.01437.61226.21201.81126.21183.3915.2865.5805.0864.5710.4696.5648.7738.3450.9408.2335.7405.1176.2-4.3-108.9-63.7NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▂▂▂▂▁▁▂▂▂▂▂▂▂▃▃▃▂▂▂▂▃▃▃▃▃▃▄▅▆▆▆▆▆▆▆▇▇▇▇▇███-886.3-896.3-880.2-967.8-1029.1-1078.7-930.0-966.2-917.9-929.7-941.1-925.3-903.4-790.8-827.4-832.7-874.2-909.4-962.5-862.8-797.3-787.5-845.6-826.2-735.8-764.7-636.7-495.2-383.1-410.9-411.2-369.3-395.4-325.4-288.0-157.6-168.3-181.8-225.7-181.6-46.6-73.8-119.0NANANA
us-gaap:MinorityInterest █▇█▄▅▆█▃▃▅▅▃▂▃▃▁▂▃▅▃▃▃▄▁▂▃▃▃▃▃▄▂▃▃▄▂▁▃▄▃▃▃▄48.447.648.938.040.742.749.734.134.539.339.632.329.931.834.826.829.833.439.634.132.532.436.327.829.232.034.932.632.632.535.630.932.133.136.030.728.434.235.634.931.934.937.9NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▆▅▂▅▁▆▅▁▂█25.723.717.1000000000000123.115.625.424.416.218.430.1NA15.317.830.7NA15.617.730.2NA20.819.748.0NA15.715.732.012.79.39.032.86.05.15.726.85.55.17.414.012.29.311.315.911.812.413.115.7
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▃▃▅▄▃▅█▄▅▂▃▂▆▃▃▅▄▆▂▃▃▃▂▄▆▁▃▂▆▅▄▃▅▁▄▃▆▂▅▆▇▃▃▅▇▄3.53.35.84.33.85.69.24.35.62.53.52.86.73.93.46.15.06.42.93.63.24.02.84.97.01.23.11.86.45.74.53.45.81.24.83.27.21.85.66.77.63.13.36.17.64.5
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▃█▅▃▃▇▄▄▃▆▄▄▁▆▃▄▂▅▅▄▁▆▄▄▁▇▄▄▁▆▄▄▁▆▃▄▂▆▄▄▁▆▄▄▂468.2-249.81522.1689.3-87.1-277.11105.6224.6292.5-93.5891.8231.0172.2-729.91020.814.1218.7-371.8548.2519.894.5-649.1929.7280.9260.3-796.91050.5176.2168.5-725.71023.3161.0183.7-775.1802.5-104.7157.9-498.5717.4157.8200.0-801.7979.140.4353.3-555.5
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▇▇▇▇▇▇▇▁▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇-43.30.2-83.7-39.2-32.5-60.8-41.0-42.8-47.2-30.7-2374.9-59.0-34.5-23.1-55.7-44.5-62.8-33.2-95.7-65.2-43.8-59.2-112.3-40.6-29.9-20.0342.7-42.8-52.0-47.1-96.4-45.7-42.6-39.819.1-131.7-76.3-21.3-67.993.6-67.7-16.8-24.9-74.3-22.313.0
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▃▂▄▃▆▃▃▃▄▅█▃▆▁▄▃▄▃▃▄▃▃▃▄▄▃▄▄▄▃▂▄▄▆▄▄▃▄▃▃▄▃▄▃▄-101.8-212.7-608.5-115.4-366.7744.4-398.0-253.3-278.486.7302.61209.6-217.2558.2-891.886.3-263.864.4-207.4-233.7-67.4-157.9-161.2-151.1-109.4-51.1-169.1-85.51.4-90.7-256.7-729.6-121.9-104.1571.0-98.6-112.1-229.0-118.3-202.0-175.3-45.4-220.0-11.8-299.7-16.2
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▃▇▆▃▅▆▄▄▄▁█▄▄▄▄▄▃▅▅325.6-492.7881.2543.3-468.5359.8671.7-92.9-16.4-43.9-1192.51373.8-104.1-197.789.748.1-119.7-320.6204.7219.8NANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▄▄▂▃▃▃▃▃▄▂▄▃▃▂▃▃▄▂▅▃▄▂▆▂▄▂▄▅▄▂▄▅▄▁█▃▃▁▅▅▄▁▅▃▅▂28.418.2-37.011.7-9.9-11.211.21.528.0-31.037.08.1-10.2-20.82.7-3.115.3-13.843.16.823.9-28.183.2-33.932.0-31.834.441.830.2-22.940.942.835.2-49.5135.111.98.1-51.559.260.816.9-53.063.5-11.943.1-38.7
us-gaap:DepreciationDepletionAndAmortization ▇▇████▇▇██▇▃▃▃▁▃▂▂70.169.273.771.073.172.865.469.073.071.168.944.044.046.032.642.241.341.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInAccountsPayable ▅▁█▅▁▁▇▃▅▂▆▄▅▂▇▃▄▃▅▄▄▂▆▄▄▂▆▃▅▂▆▃▅▂▅▄▄▂▆▃▄▃▅▄▅▃731.6-1347.01987.7716.7-1264.5-1466.91498.7-275.8284.4-961.31195.6-187.6414.9-994.21298.3-363.579.6-702.5570.2154.2130.6-981.1957.0219.2170.8-946.1838.6-431.2321.1-905.61229.2-238.1324.8-898.2732.3-230.5186.2-808.4754.5-401.713.9-429.6595.1-88.1487.1-347.8
us-gaap:IncreaseDecreaseInAccountsReceivable ▆▂█▅▃▁█▄▆▂█▄▆▃▇▄▅▂▇▄▅▃▆▅▅▃▆▄▅▃▇▄▅▃▆▅▅▃▇▄▅▄▆▅▆▄443.7-1158.61208.5111.3-527.7-1343.51121.4-266.9345.1-1088.41047.4-205.6437.2-675.2838.2-106.136.9-806.6887.0-238.1258.3-686.5544.1-23.9176.4-460.5643.1-295.4230.0-557.6744.0-256.4236.9-567.4654.964.967.2-742.3785.0-314.8118.4-369.4464.9-62.0416.3-271.6
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▄▅▃█▂▅▂▃▅▄▄▂▂▄▁▃▃▄▄▃▄▅▃▄▃▄▃▃▃▄▁▅▃▃▄▃▃▄▄▃▅▄▃▃▃▄24.744.6-1.1128.8-28.242.3-26.9-9.444.121.523.6-18.6-16.928.7-45.86.4-6.221.223.50.730.341.09.218.8-1.730.4-4.46.07.221.8-48.042.3-2.03.637.6-4.6-9.423.227.24.848.022.8-5.3-8.60.626.1
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▃█▅▃▃▇▄▄▃▆▄▄▁▆▃▄▂▅▅▄▁▆▄▄▁▇▄▄▁▆▄▄▁▆▃▄▂▆▄▄▁▆▄▄▂468.2-249.81522.1689.3-87.1-277.11105.6224.6292.5-93.5891.8231.0172.2-729.91020.814.1218.7-371.8548.2519.894.5-649.1929.7280.9260.3-796.91050.5176.2168.5-725.71023.3161.0183.7-775.1802.5-104.7157.9-498.5717.4157.8200.0-801.7979.140.4353.3-555.5
us-gaap:NetIncomeLoss ▇▄▄▇▁▂█▅▅▂█▅▅▂█▅▄▃█▄▅▂▇▃▄▂█▄▄▂▆▃▄▁█▃▄▁▇▆▄▁▆▃▄▁263.391.7112.3279.7-45.64.7328.9165.6169.5-8.0326.2161.0145.8-14.1316.6146.294.721.5317.6128.6156.95.4260.374.9121.2-1.8308.989.799.4-20.9193.148.382.8-56.3316.271.6101.9-43.0261.9211.0104.6-45.2197.945.382.5-64.6
us-gaap:ProfitLoss ▇▅▆▇▄▄█▆▆▄█▆▆▄█▆▅▅▁▆▆▄▇▅▆▄█▅▆▄▇▅▅▄█▅▆▄▇▇▆▄▇▅▅▄267.892.4117.0278.5-43.92.6342.2168.4172.8-9.5342.5163.5147.8-16.1333.5148.894.618.1-336.9132.7160.22.7282.978.0123.8-4.2331.392.8103.7-22.4212.149.286.1-58.5337.167.7105.5-45.7278.3217.5108.9-53.2222.845.683.1-70.3
us-gaap:ShareBasedCompensation ▆▅▂▅▃▆▆▃▄▇▆▃▄█▆▃▄█▇▅▄▆▅▄▄▄▄▂▂▄▂▁▂▄▁▁▃▄▂▃▃▄▂▃▃▃21.920.310.620.612.623.221.914.215.928.222.513.716.030.022.213.816.329.726.619.116.823.120.616.516.416.816.411.711.115.110.28.09.415.56.88.312.716.79.612.613.815.711.512.012.813.7
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▇▇▇▇▇▇▇▁▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇-43.30.2-83.7-39.2-32.5-60.8-41.0-42.8-47.2-30.7-2374.9-59.0-34.5-23.1-55.7-44.5-62.8-33.2-95.7-65.2-43.8-59.2-112.3-40.6-29.9-20.0342.7-42.8-52.0-47.1-96.4-45.7-42.6-39.819.1-131.7-76.3-21.3-67.993.6-67.7-16.8-24.9-74.3-22.313.0
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▇▇▇▇▇▇█▇▇▇█▇▇▇▇▇▇▇█▇▇▇█▇▇▇▁▇▇▇█▇▇▇█▇▇▇▇▇▇▇▇▇▇▆33.828.355.540.127.344.664.753.747.332.871.444.238.722.847.239.844.124.886.251.536.027.080.430.929.620.2-243.135.732.126.681.444.829.017.869.941.135.822.457.030.236.216.946.621.418.99.4
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▃▂▄▃▆▃▃▃▄▅█▃▆▁▄▃▄▃▃▄▃▃▃▄▄▃▄▄▄▃▂▄▄▆▄▄▃▄▃▃▄▃▄▃▄-101.8-212.7-608.5-115.4-366.7744.4-398.0-253.3-278.486.7302.61209.6-217.2558.2-891.886.3-263.864.4-207.4-233.7-67.4-157.9-161.2-151.1-109.4-51.1-169.1-85.51.4-90.7-256.7-729.6-121.9-104.1571.0-98.6-112.1-229.0-118.3-202.0-175.3-45.4-220.0-11.8-299.7-16.2
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▁█▁▁▁▆▁▁▁▁▅0.0998.10.00.00.0646.20.00.00.00.0500.0NANANA0.0NANANANANANANA0.10.0NANA0.00.0NANA0.00.00.00.0797.80.00.0246.80.00.00.00.0NANANANA
us-gaap:RepaymentsOfLongTermDebt ▁█▄▁▁▁▂▂0.01066.8503.20.40.1-0.0103.1200.1NANA99.90.2NANA301.00.0NANA0.70.1NANA1.00.0NANA-701.30.0NANA1.2600.01.00.20.50.50.4400.10.638.3-0.80.8193.12.8NANA
us-gaap:PaymentsOfDividendsCommonStock ██▇▇▇▇▇▇▇▇▆▆▆▆▅▅▆▆▅▅▅▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▁▁▁▁106.1109.199.599.499.2100.090.990.890.890.680.580.480.480.869.169.870.570.958.859.560.259.948.348.749.249.339.139.839.940.231.931.431.731.025.325.826.126.226.727.628.328.50.00.00.00.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:LongtermDebtType ipg:UnsecuredDebt3.50NoteNANA3.5e-063.5e-063.5e-083.5e-083.5e-083.5e-083.5e-083.5e-083.5e-083.5e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:LongtermDebtType ipg:UnsecuredDebt3.75NoteDuein2021NANA3.75e-063.75e-063.75e-083.75e-083.75e-083.75e-083.75e-083.75e-083.75e-083.75e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:LongtermDebtType ipg:UnsecuredDebt3.75NoteDuein2023NANA3.75e-063.75e-063.75e-083.75e-083.75e-083.75e-083.75e-083.75e-083.75e-083.75e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:LongtermDebtType ipg:UnsecuredDebt4.00NoteNANA4e-064e-064e-084e-084e-084e-084e-084e-084e-084e-084e-084e-084e-084e-084e-084e-084e-084e-084e-084e-084e-084e-084e-084e-084e-084e-08NANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:LongtermDebtType ipg:UnsecuredDebt4.20NotesNANA4.2000000000000004e-064.2000000000000004e-064.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-084.2000000000000006e-08NANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:LongtermDebtType ipg:UnsecuredDebt4.65NotesNANA4.65e-064.65e-064.65e-084.65e-084.65e-084.65e-084.65e-084.65e-084.65e-084.65e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:LongtermDebtType ipg:UnsecuredDebt4.75NotesNANANA4.75e-064.75e-084.75e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:LongtermDebtType ipg:UnsecuredDebt475NotesNANA4.75e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:LongtermDebtType ipg:UnsecuredDebt5.40NotesNANA5.4e-065.4e-065.4e-085.4e-085.4e-085.4e-085.4e-085.4e-085.4e-085.4e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

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
Value3939393838383838383838393939383939393940404040414141415353535351515048484848484848474747
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 Assets0.20.20.20.20.30.20.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.40.30.40.40.40.30.50.40.50.40.40.40.40.40.40.40.40.40.40.40.40.40.4

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value390387383386394406414532492491489486
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesIssued us-gaap:StatementEquityComponents

ipg:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value393393390389389389387386386386383391390390386399399398394410410407406417417416414535535535532514513511492
Percentage of CommonStockSharesIssued0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value390387383383391403413424417449489486
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302014-09-302014-06-302013-09-302013-06-302012-09-302012-06-302011-09-302011-06-302010-09-302010-06-30
Value399396393389391391391384388389383397400399407409409415417426428426448456477537546533544
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302014-09-302014-06-302013-09-302013-06-302012-09-302012-06-302011-09-302011-06-302010-09-302010-06-30
Value393391389389387386386384382383383389392391397400400407410419421419425431437464473474473
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.670.230.290.72-0.120.010.850.430.44-0.020.850.420.38-0.040.820.380.240.050.810.320.390.010.650.180.300.750.210.24-0.050.450.110.19-0.140.740.160.23-0.10.580.450.21-0.10.410.090.22-0.15
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.660.230.280.71-0.120.010.840.420.43-0.020.840.410.37-0.040.810.370.240.050.780.320.380.010.630.180.2900.730.210.23-0.050.440.110.18-0.140.680.150.22-0.10.50.40.19-0.10.360.080.15-0.15
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value273751993414.0-144.03651171813.43101393322321187129742176314763240-15.5150-129.8167-22.4127-20.61517412-93.7185821150.9217761310.012432
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.03.78.817.40.2-7.315.05.78.50.212.97.31.71.315.110.27.14.59.63.37.73.611.0-0.88.0-7.77.6-1.26.9-1.37.14.40.7-6.19.04.96.70.110.54.47.60.08.02.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value4.60.66.1-0.81.3-4.2131.43.6-1.6152.0-0.1-1.7172.50.1-2.9175.42.7-2.2210.82.7-3.2203.44.0-2.1180.71.5-3.420-3.32.0-2.2154.44.5-7.81.30.6
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.00.3-0.00.1-0.20.60.10.2-0.10.70.1-0.0-0.10.80.10.0-0.20.80.30.1-0.11.00.00.1-0.20.90.20.2-0.10.90.00.1-0.21.0-0.20.1-0.10.80.30.3-0.50.10.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value277762063405.3-148.23781181841.83261413321339190130712346814961262-14.7152-133.0187-19.0131-22.71697514-97.120679117-1.323380136-7.826612533-84.5
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.23.89.017.40.3-7.515.65.88.70.113.57.41.71.215.910.47.14.310.43.67.83.511.9-0.88.1-7.98.5-1.07.1-1.48.04.40.8-6.310.04.76.8-0.111.34.77.8-0.513.38.12.0-6.3

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value202519151976174817952188232020792162216622471970206920492084189718981952
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax89.394.586.589.596.9111.095.4100.9101.7108.193.1103.9106.2115.597.8103.5103.5116.6

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302021-03-312020-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-30
Value0.0-74.0-0.0200.0-10.40.0-45.20.00.00.0
Percentage of GainsLossesOnExtinguishmentOfDebt0.0100.00.0100.00.0100.00.0100.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-3.6-0.00.90.0-0.60.0-2.70.00.00.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:LongtermDebtType

ipg:UnsecuredDebt3750NoteDueIn2023


Gains
Period End2021-06-302021-03-31
Value0.036
Percentage of GainsLossesOnExtinguishmentOfDebt0.0-49.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.01.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ipg:UnsecuredDebt3750NoteDueIn20230.00.0

ipg:UnsecuredDebt4000Note


Gains
Period End2021-06-302021-03-31
Value0.09.2
Percentage of GainsLossesOnExtinguishmentOfDebt0.0-12.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ipg:UnsecuredDebt4000Note0.00.0

ipg:UnsecuredDebt4200NotesRemainingPrincipal


Gains
Period End2021-06-302021-03-31
Value0.028
Percentage of GainsLossesOnExtinguishmentOfDebt0.0-38.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.01.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ipg:UnsecuredDebt4200NotesRemainingPrincipal0.00.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value301292364307317378419367387389381317333323496455439448470486464450504471455453507474485460538465461453519474450441548465470439533444442416
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.314.416.015.817.119.217.317.818.219.415.816.717.118.323.324.923.926.820.825.324.225.823.025.324.327.023.025.826.228.125.327.426.329.425.228.426.329.326.527.027.029.826.628.627.531.2

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


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
Value354116173192-24.9204272322161.3403224211-1.549819217014441196205-13.0427139201-5.6418157168-24.031477147-71.0476108155-65.3370287155-75.032069146-85.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.65.77.69.9-1.31.017.611.310.20.116.711.810.9-0.123.410.59.30.919.510.210.7-0.719.57.510.7-0.319.08.69.1-1.514.84.58.4-4.623.16.59.0-4.317.916.69.0-5.116.04.59.1-6.4

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
Value862358-86.3191786644310626063121664275-2.11066343-15.61456177-1.4876565-1.71032862-12.41404150-19.2937047-21.5982463-15.3
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 RevenueFromContractWithCustomerExcludingAssessedTax3.81.22.5-4.41.00.93.53.12.10.52.63.23.30.77.82.34.1-0.14.73.32.3-0.96.63.34.1-0.14.03.53.5-0.14.91.73.5-0.86.82.52.9-1.34.54.12.7-1.54.91.63.9-1.1

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value42494650494448495149492726192321252021212422232120202120222024233736363132323832333137343532
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.42.02.62.72.32.02.42.42.52.01.51.31.11.11.11.41.21.01.11.31.31.11.11.11.21.01.11.21.21.21.42.12.41.81.91.92.21.91.91.92.21.92.22.22.4

Interest Income Expense Nonoperating Net

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:InterestIncomeExpenseNonoperatingNet


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-40000000.0-44700000.0-43900000.0-34100000.0-38700000.0-40200000.0-43900000.0-42000000.0
Percentage of InterestIncomeExpenseNonoperatingNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.8-2.3-2.4-1.7-1.6-2.0-2.1-2.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value26391112279-45.64.7328165169-8.0326161145-14.131614694213171281565.426074121-1.83088999-20.91934882-56.331671101-43.0261211104-45.21974582-64.6
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.64.54.914.3-2.50.213.58.08.0-0.413.58.57.5-0.814.98.05.21.314.06.78.20.311.94.06.5-0.114.04.95.4-1.39.12.84.7-3.615.34.35.9-2.912.612.26.0-3.19.92.95.1-4.8

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:Parent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value26391112279-45.64.7328165169-8.0161145-14.114694211281565.474
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.64.54.914.3-2.50.213.58.08.0-0.48.57.5-0.88.05.21.36.78.20.34.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value26391112279-45.64.7328165169-8.0161145-14.114694211281565.474
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.64.54.914.3-2.50.213.58.08.0-0.48.57.5-0.88.05.21.36.78.20.34.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.50.7-1.21.7-2.12.83.3-1.5162.52.0-2.0162.6-0.1-3.4194.13.3-2.7223.12.6-2.4223.14.3-1.5190.93.3-2.220-3.93.6-2.7166.54.3-8.0240.30.6-5.7
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.0-0.10.1-0.10.10.2-0.10.70.10.1-0.10.80.1-0.0-0.20.90.20.2-0.21.00.20.1-0.11.00.20.2-0.10.90.10.2-0.11.0-0.20.2-0.20.80.40.2-0.51.20.00.0-0.4

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-03-31
Value4.50.7-1.21.7-2.12.83.3-1.52.52.0-2.02.6-0.1-3.44.13.3-2.73.12.6-2.4-1.5
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.0-0.10.1-0.10.10.2-0.10.10.1-0.10.1-0.0-0.20.20.2-0.20.20.1-0.1-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
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
Value112279-45.64.7328165169-8.0326161145-14.131614694213171281565.426074121-1.83088999-20.91934579-59.23136899-45.9259208101-48.119542105-71.5
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.914.3-2.50.213.58.08.0-0.413.58.57.5-0.814.98.05.21.314.06.78.20.311.94.06.5-0.114.04.95.4-1.39.12.74.5-3.815.24.15.8-3.012.512.15.8-3.39.72.76.5-5.3

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-30.3-126.6-49.8-56.0-65.4-55.9-63.5-47.6-47.7-48.9-55.2-37.6-37.7-40.3-19.5-26.8-36.4-14.944-10.9-19.0-33.928-52.9-14.8-13.414-13.8-27.2-12.3-10.3-64.5-26.9-28.666-23.2-21.3-25.9-14.9113-18.1-29.7-10.5-31.0-31.0-25.6
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-1.3-6.2-2.2-2.9-3.5-2.8-2.6-2.3-2.2-2.4-2.3-2.0-1.9-2.3-0.9-1.5-2.0-0.91.9-0.6-1.0-1.91.3-2.8-0.8-0.80.7-0.7-1.5-0.8-0.5-3.8-1.5-1.93.2-1.4-1.2-1.7-0.76.6-1.0-2.0-0.5-2.0-1.9-1.9

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-30
Value212520142326187619852283241021572256231123962035214221302166195319602029173916731660177416691655
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax93.699.3101.896.0107.1115.899.1104.7106.1115.399.3107.4110.0120.1101.7106.6106.8121.179.289.788.580.490.789.4

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3842432232484075491280264504592612493851821920629-485.120722420-456.41912157.8-433.0171195-11.7324141174-42.4409131176-39.4385173174-45.3330100177-59.4
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.912.09.812.72.23.820.213.612.42.519.013.812.82.224.312.011.31.8-21.410.811.71.2-20.810.311.50.5-19.69.310.6-0.715.38.310.0-2.719.97.910.3-2.618.610.010.0-3.116.56.511.0-4.4

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value14-40.31085646-151.251-51.58.89.5-28.7-24.6-115.53417303351-98.00.2-10.355-29.2-94.125-135.6-105.3-113.525-1.9-28.224-74.5-38.8-6.437-66.345-20.3-137.822
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.6-2.04.72.92.5-7.72.1-2.50.40.5-1.2-1.3-5.92.00.81.71.83.1-4.30.0-0.53.2-1.3-5.01.4-8.1-4.8-6.21.4-0.1-1.31.4-4.2-2.5-0.32.2-3.93.0-1.0-8.01.3

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value10-16.2896149-150.836-49.71211-16.3-22.4-114.7376.2413553-102.0-64.2-10.458-20.6-92.729-128.8-143.5-111.827-0.3-42.625-71.8-38.6-131.0111144-44.9-137.127
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.4-0.83.93.22.7-7.61.5-2.40.60.6-0.7-1.2-5.92.10.32.31.93.2-4.5-3.3-0.53.4-0.9-5.01.5-7.7-6.5-6.11.5-0.0-2.01.5-4.1-2.5-6.30.70.72.9-2.2-7.91.6

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value10.0-16.1876149-148.736-48.31111-15.8-21.9-112.6375.3413553-99.7-65.5-9.858-19.4-90.428-128.0-141.5-112.1270.3-41.926-70.0-37.4-130.4101343-44.1-135.0
Percentage of OtherComprehensiveIncomeLossNetOfTax99.099.498.499.4100.898.698.697.297.5100.996.997.898.299.285.5100.299.499.197.7102.094.299.194.297.599.799.498.6100.3101.1-100.098.4100.897.596.999.594.7113.498.998.298.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.4-0.83.83.12.7-7.51.5-2.30.60.6-0.7-1.2-5.82.10.22.31.93.2-4.4-3.4-0.53.3-0.9-4.81.5-7.6-6.4-6.11.50.0-2.01.5-4.0-2.4-6.30.60.82.9-2.1-7.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value10.0-16.1876149-148.736-48.31111-15.8-21.9-112.6375.3413553-99.7-65.5-9.858-19.4-90.428-128.0-141.5-112.1270.3-41.926-70.0-37.4-130.4101343-44.1-135.0
Percentage of OtherComprehensiveIncomeLossNetOfTax99.099.498.499.4100.898.698.697.297.5100.996.997.898.299.285.5100.299.499.197.7102.094.299.194.297.599.799.498.6100.3101.1-100.098.4100.897.596.999.594.7113.498.998.298.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.4-0.83.83.12.7-7.51.5-2.30.60.6-0.7-1.2-5.82.10.22.31.93.2-4.4-3.4-0.53.3-0.9-4.81.5-7.6-6.4-6.11.50.0-2.01.5-4.0-2.4-6.30.60.82.9-2.1-7.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.7-83.9-9.8-11.3-21.5-21.8-24.8-7.4-3.8-6.9-13.6-15.3-16.3-24.4-1.7-9.9-15.40.8266.1-0.1-17.1-10.3-37.20.50.30.10.6-11.21.77.7-46.64.81.8951.74.7-1.3131375.3-6.117-3.1-2.10.5
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 RevenueFromContractWithCustomerExcludingAssessedTax0.2-4.1-0.4-0.6-1.2-1.1-1.0-0.4-0.2-0.3-0.6-0.8-0.8-1.4-0.1-0.5-0.80.01.20.3-0.0-1.0-0.5-2.00.00.00.00.0-0.60.10.4-2.70.30.14.60.10.3-0.10.77.90.3-0.40.9-0.2-0.10.0

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
Value26792117278-43.92.6342168172-9.5342163147-16.13331489418-336.91321602.728278123-4.233192103-22.42124986-58.533767105-45.7278217108-53.22224583-70.3
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 RevenueFromContractWithCustomerExcludingAssessedTax11.84.65.114.2-2.40.114.18.28.1-0.514.28.67.6-0.915.68.15.21.1-14.96.98.40.212.94.26.6-0.315.05.05.6-1.410.02.94.9-3.816.34.16.1-3.013.412.66.3-3.611.12.95.2-5.3

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2269202722841954185319722433206121252004241318951948177421311832183416752264192219171742219618651876167622071841185116372122170017561543206316701715150620721726174014742005155316111337
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

ipg:ReportableSegmentsTwo


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value315293269267307345317320298337315319292320301300284
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.914.513.814.415.614.215.415.114.914.016.616.416.515.116.416.417.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.914.513.814.415.614.215.415.114.914.016.616.416.515.116.416.417.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ipg:ReportableSegmentsTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value19541734168515851664208717431805170618941580162914811810153115341391
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax86.185.586.285.684.485.884.684.985.178.583.483.683.584.983.683.683.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax86.185.586.285.684.485.884.684.985.178.583.483.683.584.983.683.683.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

country:GB


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value194184189162147165204172180170198174175163176160141135
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.69.18.38.37.98.48.48.38.58.58.29.29.09.28.38.77.78.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.69.18.38.37.98.48.48.38.58.58.29.29.09.28.38.77.78.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:GB100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value143513091390127312271320142113131337131414001160117110921164110911271057
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.264.660.965.166.266.958.463.762.965.558.061.260.161.654.660.661.563.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.264.660.965.166.266.958.463.762.965.558.061.260.161.654.660.661.563.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:SegmentGeographicalGroupsOfCountriesGroupFive


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value14411314711610410217111712710516311412610615512111999
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.45.66.56.05.65.27.05.76.05.36.86.06.56.07.36.66.55.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.45.66.56.05.65.27.05.76.05.36.86.06.56.07.36.66.55.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ipg:SegmentGeographicalGroupsOfCountriesGroupFive100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:SegmentInternationalDomain


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value83471789368162665210117487886901013734776681966722707618
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.835.439.134.933.833.141.636.337.134.542.038.839.938.445.439.438.536.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.835.439.134.933.833.141.636.337.134.542.038.839.938.445.439.438.536.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ipg:SegmentInternationalDomain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value192169223166162158270205205178293210214178284203205
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.58.39.88.58.88.111.19.99.68.912.111.111.010.113.311.111.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.58.39.88.58.88.111.19.99.68.912.111.111.010.113.311.111.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Europe


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value205175229158149146246155183156248152178158241150154
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.18.710.18.18.17.410.17.68.67.810.38.09.28.911.38.28.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.18.710.18.18.17.410.17.68.67.810.38.09.28.911.38.28.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Europe100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:LatinAmerica


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value96751037862791199792801108482731098685
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.33.74.54.03.44.04.94.74.34.04.64.44.24.25.14.74.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.33.74.54.03.44.04.94.74.34.04.64.44.24.25.14.74.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:LatinAmerica100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

country:US, ipg:ReportableSegmentsTwo


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value210196179178208217210206194214208208194205196201
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.39.79.29.610.69.010.29.79.78.911.010.711.09.610.711.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.39.79.29.610.69.010.29.79.78.911.010.711.09.610.711.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US ipg:ReportableSegmentsTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US, us-gaap:OperatingSegments


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1225111310931048111112031103113111191018952963898959913926
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.054.956.056.656.449.553.553.255.842.250.349.450.645.049.850.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.054.956.056.656.449.553.553.255.842.250.349.450.645.049.850.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:SegmentInternationalDomain, ipg:ReportableSegmentsTwo


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value10497898899127107114981231071109811510499
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.64.84.64.85.05.35.25.44.95.15.75.75.55.45.75.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.64.84.64.85.05.35.25.44.95.15.75.75.55.45.75.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ipg:SegmentInternationalDomain ipg:ReportableSegmentsTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:SegmentInternationalDomain, us-gaap:OperatingSegments


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value729620591537552883640674591876627665583851618607
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.130.630.329.028.036.331.131.729.536.333.134.232.939.933.733.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.130.630.329.028.036.331.131.729.536.333.134.232.939.933.733.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ipg:SegmentInternationalDomain us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2509225725502125202523592901243825202361285622972391216923411902188417532264192219171742219618651876167622071841185116372122170017561543206316701715150620721726174014742005155316111337
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax110.6111.3111.6108.7109.3119.7119.3118.3118.5117.8118.3121.2122.8122.3109.8103.8102.7104.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:StatementBusinessSegments

ipg:ReportableSegmentsTwo


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value431405341353541620534551489572522579483409382347346398419369340402381349326386376355321374329320301334337
Percentage of Revenues17.218.016.117.422.921.421.921.920.720.022.824.222.317.520.118.419.717.621.819.319.518.320.418.619.517.520.419.219.717.719.418.219.616.220.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.020.017.519.127.425.525.925.924.423.727.629.727.319.220.918.920.717.621.819.319.518.320.418.619.517.520.419.219.717.719.418.219.616.220.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ipg:ReportableSegmentsTwo137.0138.1127.1131.9175.9179.4168.3172.3163.7169.9165.9181.5165.2127.5127.0115.5121.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value20771851178316721818228119031968187221011774181216851931152015371407186515031548140117931484152613491821146414961315174713701435124117281332
Percentage of Revenues82.882.083.982.677.178.678.178.179.373.677.275.877.782.579.981.680.382.478.280.780.581.779.681.480.582.579.680.880.382.380.681.880.483.879.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax91.591.391.390.292.293.892.492.693.487.193.693.095.090.683.083.884.082.478.280.780.581.779.681.480.582.579.680.880.382.380.681.880.483.879.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments106.3106.8105.8105.5109.3109.3109.2109.0109.7110.9112.3111.3113.8106.799.3100.2101.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:StatementGeographical

country:GB


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value209203214172159197253201209206254220201204139201166175
Percentage of Revenues8.49.08.48.17.98.48.78.38.38.78.99.68.49.45.910.68.810.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.210.09.48.88.610.010.49.89.910.310.511.710.311.56.511.09.010.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:GB107.7110.6113.0106.4108.2118.9124.3117.3116.3121.1128.2127.0114.7125.078.9126.1117.1129.4

country:US


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value155714251517135413091569168715501595153516471407144513501410134013501315
Percentage of Revenues62.163.259.563.764.666.558.263.663.365.057.761.260.462.360.370.571.775.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax68.670.366.469.370.779.669.475.275.076.668.374.274.276.166.273.273.678.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US108.5108.9109.1106.4106.7118.9118.7118.1119.2116.8117.7121.2123.4123.7121.1120.8119.8124.4

ipg:SegmentGeographicalGroupsOfCountriesGroupFive


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value174137179142126125202135145119189129142120104139137119
Percentage of Revenues7.06.17.16.76.25.37.05.65.85.16.65.66.05.64.57.37.36.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.76.87.97.36.86.38.36.66.96.07.86.87.36.84.97.67.57.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ipg:SegmentGeographicalGroupsOfCountriesGroupFive120.8121.1121.6122.1121.2122.3118.7115.3114.6113.4115.7113.3113.2113.167.2114.6115.0120.0

ipg:SegmentInternationalDomain


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value951831103277071679012148879258261208890946818717867835748
Percentage of Revenues37.936.840.536.335.433.541.836.436.735.042.338.839.637.730.645.644.342.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax41.941.045.239.438.640.149.943.043.541.250.147.048.646.133.647.345.544.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ipg:SegmentInternationalDomain114.1115.8115.5113.1114.4121.2120.0118.5117.4119.6119.3121.2121.8120.174.2120.0118.1121.1

srt:AsiaPacific


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value233210269198200211349262258232367267304231365259260
Percentage of Revenues9.39.310.69.39.99.012.010.810.29.812.911.612.710.715.613.713.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.310.411.810.110.810.714.312.712.111.615.214.115.613.017.214.214.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific121.1124.7120.8119.3123.2133.1129.2128.1125.9130.6125.4126.9142.0129.5128.7127.6126.9

srt:Europe


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value229195255174164169277177209178275177205181274171176
Percentage of Revenues9.28.710.08.28.17.29.57.38.37.69.77.78.68.411.79.09.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.19.611.28.98.98.611.48.69.88.911.49.410.510.212.99.49.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Europe111.8111.3110.9110.4109.7116.3112.4114.1114.2114.0111.2116.8114.8114.5113.6113.9114.0

srt:LatinAmerica


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value10483114836586131109101891219592801219494
Percentage of Revenues4.23.74.53.93.23.74.54.54.03.84.24.13.93.75.25.05.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.64.15.04.33.54.45.45.34.84.55.05.04.74.55.75.25.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:LatinAmerica107.7110.9110.4106.0105.5109.5109.7111.7110.5111.2110.0113.5112.8108.3111.2109.2110.3

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

country:US, ipg:ReportableSegmentsTwo


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value290267224230376386365379325351342382327346334328
Percentage of Revenues11.611.910.611.415.913.315.015.113.812.314.916.015.114.817.617.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.813.211.512.419.115.917.717.816.214.518.119.618.516.318.317.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US ipg:ReportableSegmentsTwo138.2136.5124.9129.0180.8177.4174.1184.1166.8164.0164.9183.7168.6168.8170.3163.2

country:US, us-gaap:OperatingSegments


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1267115711301078119313011185121512101128106410631023106310061022
Percentage of Revenues50.551.353.253.350.644.848.648.251.239.546.344.547.245.452.954.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax55.857.157.858.260.553.557.557.260.446.856.154.657.749.954.955.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US us-gaap:OperatingSegments103.4104.0103.4102.9107.3108.1107.5107.4108.1110.8111.7110.4113.9110.9110.2110.4

ipg:SegmentInternationalDomain, ipg:ReportableSegmentsTwo


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value141137117122164233168172164221179196156215170146
Percentage of Revenues5.66.15.56.07.08.16.96.86.97.87.88.27.29.29.07.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.86.06.68.49.68.28.18.29.29.510.18.810.19.38.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ipg:SegmentInternationalDomain ipg:ReportableSegmentsTwo134.6141.5131.4137.8165.5182.8156.8151.0166.0180.1167.8177.5158.6186.4163.3147.0

ipg:SegmentInternationalDomain, us-gaap:OperatingSegments


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value810693653593625980718752662972710749662963696689
Percentage of Revenues32.330.730.729.326.533.829.529.928.034.130.931.330.541.236.636.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.734.233.432.031.740.334.935.433.040.337.538.537.345.238.037.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ipg:SegmentInternationalDomain us-gaap:OperatingSegments111.1111.7110.4110.5113.2110.9112.1111.7111.9111.0113.2112.5113.5113.3112.7113.4

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2928229.94.122249.818418121283549132035
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.41.00.50.21.11.00.50.92.13.41.11.52.02.30.71.12.1

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
Value1732116349180421607414896164281775115997165261605015620135131235712240126951171611678116971248511839116331151612585114741149911200127471177812339117591290511532123361221813493117281185111765128761182512301121771307012263
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:StatementBusinessSegments

ipg:DXTRASegment


Assetsus-gaap:
Period End2020-12-312019-12-31
Value15491725
Percentage of Assets8.69.7
Percentage of Assets8.69.7
Percentage of Assets ipg:DXTRASegment100.0100.0

ipg:IANSegment


Assetsus-gaap:
Period End2020-12-312019-12-31
Value1478415155
Percentage of Assets81.985.4
Percentage of Assets81.985.4
Percentage of Assets ipg:IANSegment100.0100.0

ipg:ReportableSegmentsTwo


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1571151915491505152816501710165616951660151615151476147614221433140213791428141913911359133813501275123113161311132612591203118211431087107310911061104910191000942930
Percentage of Assets9.19.38.69.410.310.09.610.410.310.39.711.212.012.111.212.212.011.811.412.012.011.810.611.811.111.010.311.110.710.79.310.39.38.98.09.39.08.97.98.57.77.1
Percentage of Assets9.19.38.69.410.310.09.610.410.310.39.711.212.012.111.212.212.011.811.412.012.011.810.611.811.111.010.311.110.710.79.310.39.38.98.09.39.08.97.98.57.77.1
Percentage of Assets ipg:ReportableSegmentsTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CorporateAndOther


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1504124217091261701113787134350850126571439401929925-6.5-6.7396135-87.8-156.950812567-210.1319-222.5-161.7-273.8276-19.11385
Percentage of Assets8.77.69.57.94.76.94.92.13.13.117.010.60.30.22.40.2-0.1-0.13.21.1-0.8-1.44.01.10.6-1.92.5-1.9-1.3-2.32.1-0.210.3
Percentage of Assets8.77.69.57.94.76.94.92.13.13.117.010.60.30.22.40.2-0.1-0.13.21.1-0.8-1.44.01.10.6-1.92.5-1.9-1.3-2.32.1-0.210.3
Percentage of Assets us-gaap:CorporateAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value14245135871478413307126671364015170139981432313888114461055910840107441097310257102821032410660102851033010314107389998101561017911111106891117510773114251036811035
Percentage of Assets82.283.181.982.885.083.085.587.586.786.573.378.187.787.886.487.688.088.385.486.988.889.685.387.188.390.987.290.890.691.688.589.981.8
Percentage of Assets82.283.181.982.885.083.085.587.586.786.573.378.187.787.886.487.688.088.385.486.988.889.685.387.188.390.987.290.890.691.688.589.981.8
Percentage of Assets us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value14138133421500513161122501369814761133091388013533130191118310100985210207943794229460101759617935992961033193569256901210338940798719338104058968972995001081090819176911410135915495349358102129449
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 Assets81.681.683.281.982.283.483.283.284.084.383.482.881.780.580.480.680.780.981.581.280.580.782.181.580.580.581.179.980.079.480.677.878.977.880.177.477.477.578.777.477.576.978.177.1

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
Value1732116349180421607414896164281775115997165261605015620135131235712240126951171611678116971248511839116331151612585114741149911200127471177812339117591290511532123361221813493117281185111765128761182512301121771307012263
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
Value30622874289527222450253227752469242323152393213720612108220120131982196320171941199519411965186319831912211620832189213822152302234424492420239524242393246123782463249725292497
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 Assets17.717.616.016.916.415.415.615.414.714.415.315.816.717.217.317.217.016.816.216.417.216.915.616.217.317.116.617.717.718.217.220.019.020.017.920.420.520.319.120.120.020.519.320.4

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
Value87827770936772846214759687707050747572478182833071456963746464636486658974386733662564867693666866376387781069007401688180846762760474488738697472377112828672297593747484537637
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 Assets50.747.551.945.341.746.249.444.145.245.252.461.657.856.958.855.255.556.359.656.956.956.361.158.157.757.061.358.660.058.562.658.661.661.064.859.561.160.564.461.161.761.464.762.3

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
Value23402015250916281085155411925206146306731860493597790704657775109789167267315028748487341660896895771163699916131645257411871502157323021785180918402675192719291928249521072014
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 Assets13.512.313.910.17.39.56.73.33.73.94.313.84.04.96.26.05.66.68.87.55.85.811.97.67.46.613.07.67.36.612.78.713.113.519.110.112.713.417.915.114.715.120.50.00.00.020.30.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-31
Value23442018251116301087155511955246166336771869495600797708659779110089567515061664
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.512.313.910.17.39.56.73.33.73.94.313.84.04.96.36.05.76.78.87.65.812.013.1

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
Value38933440464632973146366152094047438940275126400942473942458536963762364143893714394537184361384839763781437638704272401345653830404738854496383937413732442536544160399543173756
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 Assets22.521.025.820.521.122.329.325.326.625.132.829.734.432.236.131.532.231.135.231.433.932.334.733.534.633.834.332.934.634.135.433.232.831.833.332.731.631.734.430.933.832.833.030.6

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value500467390521492449412440467491476459439430335312323318226280294312228349352367342402429399340377391400332324341346298250260266229275
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.92.92.23.23.32.72.32.82.83.13.13.43.63.52.62.72.82.71.82.42.52.71.83.03.13.32.73.43.53.42.63.33.23.32.52.82.92.92.32.12.12.21.82.2

Land

us-gaap:Land

us-gaap:Land


Land
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value14414314679737887109109111114
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.90.60.60.60.70.80.80.90.9

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value24942843121910451004906899884840796791
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.816.07.88.28.07.27.16.96.26.26.1

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

country:GB


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value21616757565256566064
Percentage of NoncurrentAssets8.75.94.75.45.26.26.36.97.7
Percentage of Assets1.20.90.40.40.40.40.40.50.5
Percentage of Assets country:GB0.00.00.00.00.00.00.00.00.0

ipg:SegmentDomesticDomain


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value18012080892705684600572545502477480
Percentage of NoncurrentAssets72.273.273.267.568.266.263.761.759.859.960.7
Percentage of Assets10.011.75.75.65.54.84.54.23.73.73.7
Percentage of Assets ipg:SegmentDomesticDomain0.00.00.00.00.00.00.00.00.00.00.0

ipg:SegmentGeographicalGroupsOfCountriesGroupFive


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value116130454643383237383438
Percentage of NoncurrentAssets4.74.63.74.44.34.23.64.24.64.34.9
Percentage of Assets0.60.70.30.40.30.30.30.30.30.30.3
Percentage of Assets ipg:SegmentGeographicalGroupsOfCountriesGroupFive0.00.00.00.00.00.00.00.00.00.00.0

ipg:SegmentInternationalDomain


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value692763326339319306326338337319310
Percentage of NoncurrentAssets27.826.826.832.531.833.836.338.340.240.139.3
Percentage of Assets3.84.32.12.72.62.42.62.62.52.52.4
Percentage of Assets ipg:SegmentInternationalDomain0.00.00.00.00.00.00.00.00.00.00.0

srt:AsiaPacific


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-31
Value183240121115
Percentage of NoncurrentAssets7.38.510.011.1
Percentage of Assets1.01.40.80.9
Percentage of Assets srt:AsiaPacific0.00.00.00.0

srt:Europe


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-31
Value1171495773
Percentage of NoncurrentAssets4.75.34.77.0
Percentage of Assets0.70.80.40.6
Percentage of Assets srt:Europe0.00.00.00.0

srt:LatinAmerica


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-31
Value58744348
Percentage of NoncurrentAssets2.42.63.64.6
Percentage of Assets0.30.40.30.4
Percentage of Assets srt:LatinAmerica0.00.00.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value18241894182516861583152916181651163915861601
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.110.711.713.312.712.212.712.812.212.312.3

Furniture And Fixtures Gross

us-gaap:FurnitureAndFixturesGross

us-gaap:FurnitureAndFixturesGross


Furniture
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value654694681634604585640930932881881
Percentage of FurnitureAndFixturesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.63.94.45.04.84.65.07.26.96.86.7

Leasehold Improvements Gross

us-gaap:LeaseholdImprovementsGross

us-gaap:LeaseholdImprovementsGross


Leasehold
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value554634629641599570594611597593605
Percentage of LeaseholdImprovementsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.13.64.05.14.84.54.74.74.44.64.6

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value11971162113311691163111610971103106110341026101410571036104510209899619899669699619871069105710701086111211031111116011441136113411391128114511261180120611811147
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.97.16.37.37.86.36.96.76.66.67.68.28.68.28.98.78.57.78.48.38.47.68.69.39.48.49.29.09.48.610.19.39.38.49.79.59.78.710.09.89.78.8

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value658667690709717752778758767767790602602634650637635616622581569565567519526523548530537534540490475485504466447451459441450445454490
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.84.13.84.44.84.64.44.74.64.85.14.54.95.25.15.45.45.35.04.94.94.94.54.54.64.74.34.54.44.54.24.33.94.03.74.03.83.83.63.73.73.73.54.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value49444934494548754842482648944847488448854875378437883839382037993753370336743715366236813608359136263595366936863714366336293609358035883580357434613463344434053427340733683321
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.530.227.430.332.529.427.630.329.630.431.228.030.731.430.132.432.131.729.431.431.532.028.731.331.532.128.831.330.131.228.131.329.029.426.530.529.229.426.728.827.928.025.827.1

us-gaap:Goodwill us-gaap:StatementBusinessSegments

ipg:DXTRASegment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value681676674
Percentage of Goodwill13.813.813.8
Percentage of Assets3.83.84.3
Percentage of Assets ipg:DXTRASegment44.039.20.0

ipg:IANSegment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value426442184201
Percentage of Goodwill86.286.286.2
Percentage of Assets23.623.826.9
Percentage of Assets ipg:IANSegment28.827.80.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value93310141094140148148175163140134123
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.25.77.01.11.21.21.41.31.01.00.9

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerLists


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5666166669510199116108878478
Percentage of FiniteLivedIntangibleAssetsNet60.660.860.967.668.266.866.666.161.962.763.4
Percentage of Assets3.13.54.30.70.80.80.90.80.60.70.6
Percentage of Assets us-gaap:CustomerLists0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value101010101010.010109.49.59.7
Percentage of FiniteLivedIntangibleAssetsNet1.11.01.07.57.16.75.96.26.77.17.9
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TechnologyBasedIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-312017-12-31
Value1762022280.0
Percentage of FiniteLivedIntangibleAssetsNet18.919.920.90.0
Percentage of Assets1.01.11.50.0
Percentage of Assets us-gaap:TechnologyBasedIntangibleAssets0.00.00.00.0

us-gaap:TradeNames


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1801841893536394845444035
Percentage of FiniteLivedIntangibleAssetsNet19.318.217.324.924.726.527.527.731.430.228.8
Percentage of Assets1.01.01.20.30.30.30.40.40.30.30.3
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-31
Value77-10.8
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0
Percentage of Assets0.4-0.1

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
Value13361361137915501435152515741573159613550.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets7.78.37.69.69.69.38.99.89.78.40.0

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
Value411407424414430466467457454435428524560529524544542545530510502506487490505501526500515517508498497513509530502484471440457451460416
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 Assets2.42.52.42.62.92.82.62.92.72.72.73.94.54.34.14.64.64.74.24.34.34.43.94.34.44.54.14.24.24.43.94.34.04.23.84.54.24.13.73.73.73.73.53.4

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value66055862726951054328555972055656602257336698551557385467690755615872567263036025585757856672575356695468655858756414604869145705589156506584584660265929664759344064401044743828
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.135.940.331.829.133.840.635.436.435.742.940.846.444.754.447.550.348.550.550.950.450.253.050.149.348.851.449.952.051.453.649.547.846.248.849.950.950.451.650.233.032.934.231.2

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6796088326445995397426346266638065715515286745505135727946315886207606886036187966385945877185535485967286505936768276242849273331122768
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.93.74.64.04.03.34.24.03.84.15.24.24.54.35.34.74.44.96.45.35.15.46.06.05.35.56.25.44.85.05.64.84.44.95.45.55.05.86.45.323.222.423.822.6

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value678689657611557571585562585575533514510507484
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.94.23.63.83.73.53.33.53.53.63.43.84.14.13.8

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
Value87967984958072276366779594207398773175318123669175857322767869466946699077066815668265397584657264336224746366447138716081656447722064087701691470156987803271167512731277406905
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 Assets50.848.853.145.042.747.553.146.246.846.952.049.561.459.860.559.359.559.861.757.657.456.860.357.355.955.658.556.457.860.963.355.958.552.457.159.059.259.462.460.261.160.159.256.3

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5035025025065035025023.30.30.10.10.10.12.12.030130132432324242.01.92.02.02.02.12.22.43533532.25941.921621721721940440844845238215
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.93.12.83.23.43.12.80.00.00.00.00.00.00.00.02.62.62.82.60.20.20.00.00.00.00.00.00.00.03.02.70.04.80.01.61.91.81.93.13.53.63.70.31.8

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
Value2672682682632582572672612612630.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.51.61.51.61.71.61.51.61.61.60.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value9791907167112135110138138150110109118121909211515311012515213612411410812296105109118868893104141121132139100113118
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.50.40.50.70.80.70.80.91.00.80.91.01.00.80.81.01.20.91.11.31.11.11.01.01.00.80.90.90.90.80.70.80.81.21.01.11.10.90.90.9

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


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
Value29072906291534113411341027713367356336633660326112821288128512851283128112801583158316091610162116221620162316261629113011291481147820712060126312381239121011661167116515831638
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.817.816.221.222.920.815.621.021.622.823.424.110.410.510.111.011.011.010.313.413.614.012.814.114.114.512.713.813.29.68.812.812.017.015.310.810.510.59.49.99.59.612.113.4

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:DomesticPlan


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1517252631
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.20.20.3
Percentage of Assets us-gaap:DomesticPlan0.00.00.00.00.0

us-gaap:ForeignPlan


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value147136134180166
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent929.6764.0525.4678.9531.2
Percentage of Assets0.80.80.91.41.3
Percentage of Assets us-gaap:ForeignPlan0.00.00.00.00.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2324242829
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent146.5137.696.9107.992.7
Percentage of Assets0.10.10.20.20.2
Percentage of Assets us-gaap:OtherPostretirementBenefitPlansDefinedBenefit0.00.00.00.00.0

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
Value4847483840424934343939322931342629333934323236272932343232323530323336302834353431343738
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.20.30.30.30.20.20.20.30.20.20.30.30.20.30.30.30.30.30.30.30.20.30.30.30.30.30.30.30.30.30.30.30.30.20.30.30.30.30.30.30.3

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
Value671660655662749732714714720713812791786785766749731728708733685733672699719694723660616563595557558555558473502467452424402402402402
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.94.03.64.15.04.54.04.54.44.45.25.96.46.46.06.46.36.25.76.25.96.45.36.16.36.25.75.65.04.84.64.84.54.54.14.04.24.03.53.63.33.33.13.3

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
Value13791414144114711347138614291434146312230.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets8.08.68.09.29.08.48.19.08.97.60.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value302
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets1.7

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value241
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets1.3

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value212
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets1.2

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value194
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets1.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value735
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets4.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-01-01
Value170916961544
Percentage of OperatingLeaseLiability100.0100.0100.0
Percentage of Assets9.59.60.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value2008
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets11.1

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value299
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets1.7

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
Value30622874289527222450253227752469242323152393213720612108220120131982196320171941199519411965186319831912211620832189213822152302234424492420239524242393246123782463249725292497
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 Assets17.717.616.016.916.415.415.615.414.714.415.315.816.717.217.317.217.016.816.216.417.216.915.616.217.317.116.617.717.718.217.220.019.020.017.920.420.520.319.120.120.020.519.320.4

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
Value3111292129432760249125752825250324582354243221702091214022352040201219962056197520281973200118912013194421512115222121712250233323762482245624262452242824972413249525322566233122072464253622442275
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 Assets18.017.916.317.216.715.715.915.614.914.715.616.116.917.517.617.417.217.116.516.717.417.115.916.517.517.416.918.018.018.517.420.219.320.318.220.720.720.619.420.420.320.819.60.00.00.020.70.00.0

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-886.3-896.3-880.2-967.8-1029.1-1078.7-930.0-966.2-917.9-929.7-941.1-925.3-903.4-790.8-827.4-832.7-874.2-909.4-962.5-862.8-797.3-787.5-845.6-826.2-735.8-764.7-636.7-495.2-383.1-410.9-411.2-369.3-395.4-325.4-288.0-157.6-168.3-181.8-225.7-181.6-46.6-73.8-119.0-161.8-240.8-190.7-176.6-318.5-118.6
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-28.5-30.7-29.9-35.1-41.3-41.9-32.9-38.6-37.3-39.5-38.7-42.6-43.2-36.9-37.0-40.8-43.4-45.6-46.8-43.7-39.3-39.9-42.2-43.7-36.6-39.3-29.6-23.4-17.2-18.9-18.3-15.8-16.6-13.1-11.7-6.5-6.9-7.5-9.0-7.5-1.9-2.9-4.6-6.9-10.9-7.7-7.0-14.2-5.2
Percentage of Assets-5.1-5.5-4.9-6.0-6.9-6.6-5.2-6.0-5.6-5.8-6.0-6.8-7.3-6.5-6.5-7.1-7.5-7.8-7.7-7.3-6.9-6.8-6.7-7.2-6.4-6.8-5.0-4.2-3.1-3.5-3.2-3.2-3.2-2.7-2.1-1.3-1.4-1.5-1.8-1.5-0.4-0.6-0.90.00.00.0-1.40.00.0
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
Value1132110710991028996981977941921903895104110229639551235122011991199148114601434140416131597158015473024301730022975275427352705246524482446243724272397239824362456246424622445244124132541
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest36.437.937.337.240.038.134.637.637.538.436.848.048.945.042.760.660.660.158.375.072.072.670.185.379.481.271.9142.9135.8138.3132.2118.0115.1109.0100.4100.999.8100.497.299.396.196.295.7105.7111.599.296.2107.5111.7
Percentage of Assets6.56.86.16.46.76.05.55.95.65.65.77.78.37.97.510.510.410.39.612.512.612.511.214.113.914.112.125.724.525.523.123.922.222.118.320.920.620.718.920.319.520.018.80.00.00.019.90.00.0
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
Value39393938383838383838383939393839393939404040404141414153535353515150484848484848484747474747474645
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1.31.31.31.41.61.51.41.51.61.61.61.81.91.81.72.02.02.01.92.12.02.12.02.22.12.11.92.52.42.52.42.22.22.12.02.02.02.01.92.01.91.91.92.02.11.91.92.12.0
Percentage of Assets0.20.20.20.20.30.20.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.40.30.40.40.40.30.50.40.50.40.40.40.40.40.40.40.40.40.40.40.40.40.00.00.00.40.00.0
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
Value48474838404249343439393229313426293339343232362729323432323235303233363028343534313437353840383736
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1.61.61.71.41.61.71.81.41.41.71.61.51.41.51.61.31.51.71.91.71.61.61.81.51.51.61.61.51.51.51.61.31.41.31.51.31.21.41.41.41.31.41.51.51.71.61.51.71.6
Percentage of Assets0.30.30.30.20.30.30.30.20.20.20.30.20.20.30.30.20.30.30.30.30.30.30.30.20.30.30.30.30.30.30.30.30.30.30.30.30.20.30.30.30.30.30.30.00.00.00.30.00.0
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:Parent


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
Value3062287428952722245025322775246924232315239321372061210822012013198219632017194119951941196518631983191221162083218921382215230223442449242023952424239324612378246324972529229621692423249722062238
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest98.498.498.398.698.498.398.298.698.698.398.498.598.698.598.498.798.598.398.198.398.498.498.298.598.598.498.498.598.598.598.498.798.698.798.598.798.898.698.698.698.798.698.598.598.398.498.598.398.4
Percentage of Assets17.717.616.016.916.415.415.615.414.714.415.315.816.717.217.317.217.016.816.216.417.216.915.616.217.317.116.617.717.718.217.220.019.020.017.920.420.520.319.120.120.020.519.30.00.00.020.40.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value277726232636262324442591268924552381230324002158207620102093184917741751180415461475137914371226120111261183915865805864710696648738450408335405176-4.3-108.9-63.7-261.6-306.9-389.4-324.8-446.1-741.1
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest89.389.889.695.098.1100.695.298.196.997.898.799.599.393.993.690.788.287.787.778.372.769.971.864.859.757.955.043.339.037.138.430.429.326.130.118.616.613.816.27.3-0.2-4.3-2.5-11.2-13.9-15.8-12.8-19.9-32.6
Percentage of Assets16.016.014.616.316.415.815.215.314.414.315.416.016.816.416.515.815.215.014.513.112.712.011.410.710.510.19.37.87.06.86.76.25.65.35.53.83.42.93.11.5-0.0-0.9-0.50.00.00.0-2.60.00.0
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

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
Value3939393838383838383838393939383939393940404040414141415353535351515048484848484848474747
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 Assets0.20.20.20.20.30.20.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.40.30.40.40.40.30.50.40.50.40.40.40.40.40.40.40.40.40.40.40.40.40.4

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
Value11321107109910289969819779419219038951041102296395512351220119911991481146014341404161315971580154730243017300229752754273527052465244824462437242723972398243624562441
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 Assets6.56.86.16.46.76.05.55.95.65.65.77.78.37.97.510.510.410.39.612.512.612.511.214.113.914.112.125.724.525.523.123.922.222.118.320.920.620.718.920.319.520.018.819.9

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
Value277726232636262324442591268924552381230324002158207620102093184917741751180415461475137914371226120111261183915865805864710696648738450408335405176-4.3-108.9-63.7-324.8
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 Assets16.016.014.616.316.415.815.215.314.414.315.416.016.816.416.515.815.215.014.513.112.712.011.410.710.510.19.37.87.06.86.76.25.65.35.53.83.42.93.11.5-0.0-0.9-0.5-2.6

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-886300000.0-896300000.0-880200000.0-967800000.0-1029100000.0-1078700000.0-930000000.0-966200000.0-917900000.0-929700000.0-941100000.0-925300000.0-903400000.0-790800000.0-827400000.0-832700000.0-874200000.0-909400000.0-962500000.0-862800000.0-797300000.0-787500000.0-845600000.0-826200000.0-735800000.0-764700000.0-636700000.0-495200000.0-383100000.0-410900000.0-411200000.0-369300000.0-395400000.0-325400000.0-288000000.0-157600000.0-168300000.0-181800000.0-225700000.0-181600000.0-46600000.0-73800000.0-119000000.0-176600000.0
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-5.1-5.5-4.9-6.0-6.9-6.6-5.2-6.0-5.6-5.8-6.0-6.8-7.3-6.5-6.5-7.1-7.5-7.8-7.7-7.3-6.9-6.8-6.7-7.2-6.4-6.8-5.0-4.2-3.1-3.5-3.2-3.2-3.2-2.7-2.1-1.3-1.4-1.5-1.8-1.5-0.4-0.6-0.9-1.4

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
Value4847483840424934343939322931342629333934323236272932343232323530323336302834353431343738
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.20.30.30.30.20.20.20.30.20.20.30.30.20.30.30.30.30.30.30.30.20.30.30.30.30.30.30.30.30.30.30.30.30.20.30.30.30.30.30.30.3

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value25231723152524161830151730151730201948151532129.39.0326.05.15.7265.55.17.414129.3111511121315
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value25231723152524161829151730151729201947151531129.38.9325.95.15.7265.55.07.413119.3111511121315
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.098.7100.0100.099.498.8100.0100.099.599.0100.099.498.7100.099.498.3100.0100.099.4100.099.499.4100.0100.098.999.498.3100.0100.098.5100.098.0100.095.793.4100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.00.30.00.00.10.30.00.00.10.30.00.10.40.00.10.50.00.00.30.00.10.20.00.00.10.20.10.00.00.40.00.10.00.60.00.10.60.1
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue0.01.30.00.00.61.20.00.00.51.00.00.61.30.00.61.70.00.00.60.00.60.60.00.01.10.61.70.00.01.50.02.00.04.30.01.15.30.6
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
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value25231723152524161830151730151730201948151532129.39.0326.05.15.7265.55.17.414129.3111511121315
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value3.53.35.84.33.85.69.24.35.62.53.52.86.73.93.46.15.06.42.93.63.24.02.84.97.01.23.11.86.45.74.53.45.81.24.83.27.21.85.66.77.63.13.36.17.64.5
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: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
Value-3.5-3.333-4.3-3.8-5.6-9.2-4.35.62.53.5-2.86.73.93.46.15.06.42.93.63.24.02.84.97.01.23.11.86.45.74.53.45.81.24.83.27.21.85.66.77.63.13.36.17.64.5
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders-100.0-100.0572.4-100.0-100.0-100.0-100.0-100.0100.0100.0100.0-100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value468-249.81522689-87.1-277.11105224292-93.5891231172-729.9102014218-371.854851994-649.1929280260-796.91050176168-725.71023161183-775.1802-104.7157-498.5717157200-801.797940353-555.5
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.6-12.366.635.3-4.7-14.145.410.913.8-4.736.912.28.8-41.147.90.811.9-22.224.227.04.9-37.342.315.113.9-47.547.69.69.1-44.348.29.510.5-50.238.9-6.39.2-33.134.69.111.5-54.448.82.621.9-41.5

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-43.30.2-83.7-39.2-32.5-60.8-41.0-42.8-47.2-30.7-2374.9-59.0-34.5-23.1-55.7-44.5-62.8-33.2-95.7-65.2-43.8-59.2-112.3-40.6-29.9-20.0342-42.8-52.0-47.1-96.4-45.7-42.6-39.819-131.7-76.3-21.3-67.993-67.7-16.8-24.9-74.3-22.313
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.90.0-3.7-2.0-1.8-3.1-1.7-2.1-2.2-1.5-98.4-3.1-1.8-1.3-2.6-2.4-3.4-2.0-4.2-3.4-2.3-3.4-5.1-2.2-1.6-1.215.5-2.3-2.8-2.9-4.5-2.7-2.4-2.60.9-7.9-4.4-1.4-3.35.4-3.9-1.1-1.2-4.8-1.41.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-101.8-212.7-608.5-115.4-366.7744-398.0-253.3-278.4863021209-217.2558-891.886-263.864-207.4-233.7-67.4-157.9-161.2-151.1-109.4-51.1-169.1-85.51.4-90.7-256.7-729.6-121.9-104.1571-98.6-112.1-229.0-118.3-202.0-175.3-45.4-220.0-11.8-299.7-16.2
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.5-10.5-26.6-5.9-19.837.7-16.4-12.3-13.14.312.563.8-11.131.5-41.84.7-14.43.8-9.2-12.2-3.5-9.1-7.3-8.1-5.8-3.0-7.7-4.60.1-5.5-12.1-42.9-6.9-6.727.7-5.9-6.5-15.2-5.7-11.7-10.1-3.1-11.0-0.8-18.6-1.2

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value325-492.7881543-468.5359671-92.9-16.4-43.9-1192.51373-104.1-197.78948-119.7-320.6204219
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.3-24.338.627.8-25.318.227.6-4.5-0.8-2.2-49.472.5-5.3-11.14.22.6-6.5-19.19.011.4

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2818-37.011-9.9-11.2111.528-31.0378.1-10.2-20.82.7-3.115-13.8436.823-28.183-33.932-31.8344130-22.9404235-49.5135118.1-51.5596016-53.063-11.943-38.7
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value706973717372656973716844444632424141
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value731-1347.01987716-1264.5-1466.91498-275.8284-961.31195-187.6414-994.21298-363.579-702.5570154130-981.1957219170-946.1838-431.2321-905.61229-238.1324-898.2732-230.5186-808.4754-401.713-429.6595-88.1487-347.8
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value443-1158.61208111-527.7-1343.51121-266.9345-1088.41047-205.6437-675.2838-106.136-806.6887-238.1258-686.5544-23.9176-460.5643-295.4230-557.6744-256.4236-567.46546467-742.3785-314.8118-369.4464-62.0416-271.6
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2444-1.1128-28.242-26.9-9.4442123-18.6-16.928-45.86.4-6.221230.730419.218-1.730-4.46.07.221-48.042-2.03.637-4.6-9.423274.84822-5.3-8.60.626
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value468-249.81522689-87.1-277.11105224292-93.5891231172-729.9102014218-371.854851994-649.1929280260-796.91050176168-725.71023161183-775.1802-104.7157-498.5717157200-801.797940353-555.5
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.6-12.366.635.3-4.7-14.145.410.913.8-4.736.912.28.8-41.147.90.811.9-22.224.227.04.9-37.342.315.113.9-47.547.69.69.1-44.348.29.510.5-50.238.9-6.39.2-33.134.69.111.5-54.448.82.621.9-41.5

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value26391112279-45.64.7328165169-8.0326161145-14.131614694213171281565.426074121-1.83088999-20.91934882-56.331671101-43.0261211104-45.21974582-64.6
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.64.54.914.3-2.50.213.58.08.0-0.413.58.57.5-0.814.98.05.21.314.06.78.20.311.94.06.5-0.114.04.95.4-1.39.12.84.7-3.615.34.35.9-2.912.612.26.0-3.19.92.95.1-4.8

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:Parent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value26391112279-45.64.7328165169-8.0161145-14.114694211281565.474
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.64.54.914.3-2.50.213.58.08.0-0.48.57.5-0.88.05.21.36.78.20.34.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value26391112279-45.64.7328165169-8.0161145-14.114694211281565.474
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.64.54.914.3-2.50.213.58.08.0-0.48.57.5-0.88.05.21.36.78.20.34.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value26792117278-43.92.6342168172-9.5342163147-16.13331489418-336.91321602.728278123-4.233192103-22.42124986-58.533767105-45.7278217108-53.22224583-70.3
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 RevenueFromContractWithCustomerExcludingAssessedTax11.84.65.114.2-2.40.114.18.28.1-0.514.28.67.6-0.915.68.15.21.1-14.96.98.40.212.94.26.6-0.315.05.05.6-1.410.02.94.9-3.816.34.16.1-3.013.412.66.3-3.611.12.95.2-5.3

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
Value212010201223211415282213163022131629261916232016161616111115108.09.4156.88.312169.612131511121213
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

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-43.30.2-83.7-39.2-32.5-60.8-41.0-42.8-47.2-30.7-2374.9-59.0-34.5-23.1-55.7-44.5-62.8-33.2-95.7-65.2-43.8-59.2-112.3-40.6-29.9-20.0342-42.8-52.0-47.1-96.4-45.7-42.6-39.819-131.7-76.3-21.3-67.993-67.7-16.8-24.9-74.3-22.313
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.90.0-3.7-2.0-1.8-3.1-1.7-2.1-2.2-1.5-98.4-3.1-1.8-1.3-2.6-2.4-3.4-2.0-4.2-3.4-2.3-3.4-5.1-2.2-1.6-1.215.5-2.3-2.8-2.9-4.5-2.7-2.4-2.60.9-7.9-4.4-1.4-3.35.4-3.9-1.1-1.2-4.8-1.41.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


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
Value3328554027446453473271443822473944248651362780302920-243.13532268144291769413522573036164621189.4
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment us-gaap:StatementBusinessSegments

ipg:ReportableSegmentsTwo


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1.60.71.21.31.65.44.02.91.05.84.21.91.14.86.24.02.78.24.72.21.56.92.32.31.13.42.63.12.5122.43.11.09.2113.62.09.43.32.91.33.21.81.6
Percentage of PaymentsToAcquirePropertyPlantAndEquipment4.72.53.04.83.68.37.46.13.08.19.54.94.810.215.69.110.99.59.16.15.68.67.47.85.4-1.47.39.79.414.75.410.75.613.229.010.18.916.510.98.07.76.98.48.5

us-gaap:CorporateAndOther


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
Value4.75.94.47.26.29.34.45.28.55.3204.84.95.98.34.38.74.9157.16.95.2115.66.97.0101211108.417126.8159.3
Percentage of PaymentsToAcquirePropertyPlantAndEquipment13.920.87.918.022.720.96.89.718.016.228.010.912.725.917.610.819.719.818.213.819.219.314.218.123.334.7-4.434.236.838.310.340.042.838.222.622.6

us-gaap:OperatingSegments


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value272131193354443526453531153429311762392620622320124020171361241310.04419
Percentage of PaymentsToAcquirePropertyPlantAndEquipment81.476.779.172.575.684.982.975.980.863.979.682.469.372.273.671.269.472.377.174.775.277.274.468.959.9-16.558.553.652.374.954.746.656.264.248.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-101.8-212.7-608.5-115.4-366.7744-398.0-253.3-278.4863021209-217.2558-891.886-263.864-207.4-233.7-67.4-157.9-161.2-151.1-109.4-51.1-169.1-85.51.4-90.7-256.7-729.6-121.9-104.1571-98.6-112.1-229.0-118.3-202.0-175.3-45.4-220.0-11.8-299.7-16.2
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.5-10.5-26.6-5.9-19.837.7-16.4-12.3-13.14.312.563.8-11.131.5-41.84.7-14.43.8-9.2-12.2-3.5-9.1-7.3-8.1-5.8-3.0-7.7-4.60.1-5.5-12.1-42.9-6.9-6.727.7-5.9-6.5-15.2-5.7-11.7-10.1-3.1-11.0-0.8-18.6-1.2

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312015-12-312015-09-302014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.09980.00.00.06460.00.00.00.05000.00.10.00.00.00.00.00.00.07970.00.02460.00.00.00.0
Percentage of ProceedsFromIssuanceOfLongTermDebt0.0100.00.00.00.0100.00.00.00.00.0100.00.0100.00.00.00.00.00.00.00.0100.00.00.0100.00.00.00.00.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.010665030.40.1-0.0103200990.23010.00.70.11.00.0-701.30.01.26001.00.20.50.50.44000.638-0.80.81932.8
Percentage of RepaymentsOfLongTermDebt0.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1061099999991009090909080808080696970705859605948484949393939403131313125252626262728280.00.00.00.0
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateStatedPercentage

ipg:UnsecuredDebt3.50Note


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.53.50.0350.0350.0350.0350.0350.0350.0350.035
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations ipg:UnsecuredDebt3.50Note0.00.00.00.00.00.00.00.00.00.0

ipg:UnsecuredDebt3.75NoteDuein2021


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.753.750.03750.03750.03750.03750.03750.03750.03750.0375
Percentage of DebtInstrumentInterestRateStatedPercentage107.1107.1107.1107.1107.1107.1107.1107.1107.1107.1
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations ipg:UnsecuredDebt3.75NoteDuein20210.00.00.00.00.00.00.00.00.00.0

ipg:UnsecuredDebt3.75NoteDuein2023


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.753.750.03750.03750.03750.03750.03750.03750.03750.0375
Percentage of DebtInstrumentInterestRateStatedPercentage107.1107.1107.1107.1107.1107.1107.1107.1107.1107.1
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations ipg:UnsecuredDebt3.75NoteDuein20230.00.00.00.00.00.00.00.00.00.0

ipg:UnsecuredDebt4.00Note


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value4.04.00.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.04
Percentage of DebtInstrumentInterestRateStatedPercentage114.3114.3114.3114.3114.3114.3114.3114.3114.3114.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations ipg:UnsecuredDebt4.00Note0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ipg:UnsecuredDebt4.20Notes


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value4.24.20.0420.0420.0420.0420.0420.0420.0420.0420.0420.0420.0420.0420.0420.0420.0420.0420.0420.0420.0420.0420.0420.0420.0420.042
Percentage of DebtInstrumentInterestRateStatedPercentage120.0120.0120.0120.0120.0120.0120.0120.0120.0120.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations ipg:UnsecuredDebt4.20Notes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ipg:UnsecuredDebt4.65Notes


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.654.650.04650.04650.04650.04650.04650.04650.04650.0465
Percentage of DebtInstrumentInterestRateStatedPercentage132.9132.9132.9132.9132.9132.9132.9132.9132.9132.9
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations ipg:UnsecuredDebt4.65Notes0.00.00.00.00.00.00.00.00.00.0

ipg:UnsecuredDebt4.75Notes


Debt
Period End2020-09-302020-06-302020-03-31
Value4.750.04750.0475
Percentage of DebtInstrumentInterestRateStatedPercentage135.7135.7135.7
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations ipg:UnsecuredDebt4.75Notes0.00.00.0

ipg:UnsecuredDebt475Notes


Debt
Period End2020-12-31
Value4.75
Percentage of DebtInstrumentInterestRateStatedPercentage135.7
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ipg:UnsecuredDebt475Notes0.0

ipg:UnsecuredDebt5.40Notes


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value5.45.40.0540.0540.0540.0540.0540.0540.0540.054
Percentage of DebtInstrumentInterestRateStatedPercentage154.3154.3154.3154.3154.3154.3154.3154.3154.3154.3
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations ipg:UnsecuredDebt5.40Notes0.00.00.00.00.00.00.00.00.00.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value0.61.21.83.74.86.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0

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 End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value12.7512.2610.669.449.839.63
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

ipg:PerformanceBasedAwards


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0500000.00100000.002300000.000100000.02000000.000100000.02800000.00004800000.0100000.0003200000.00100000.002800000.000100000.03400000.00001500000.000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0100.00.0100.00.0100.00.00.0100.0100.00.00.0100.0100.00.00.00.0100.0100.00.00.0100.00.0100.00.0100.00.00.0100.0100.00.00.00.0100.00.00.0

ipg:StockSettledAwards


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value100000.0700000.00100000.0100000.02100000.00100000.0500000.01900000.0200000.0100000.0100000.01700000.000100000.0700000.00100000.0100000.0900000.00100000.0100000.0600000.00100000.0100000.01000000.0100000.00100000.0900000.00100000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0140.00.0100.00.091.30.00.0500.095.00.00.0100.060.70.00.00.014.60.00.00.028.10.0100.00.021.40.00.0100.029.40.00.00.060.00.00.0

us-gaap:StockCompensationPlan


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-03-312014-09-30
Value100000.01500000.0200000.0100000.04400000.0100000.0600000.03900000.0100000.0200000.04600000.00100000.05500000.0100000.0100000.04100000.03400000.0100000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0300.0200.00.0191.30.0600.0195.00.0200.0164.30.00.0114.60.00.0128.1121.40.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


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
Value817-10.8212266255315422561633773874
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value217345335271246226238219194161146160174
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value197164211243255275332467392489508425379
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Proceeds From Repayments Of Short Term Debt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt


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
Value18-2.9-0.4-0.6-245.3247-192.940-68.7201-12.9-673.9-49.5718-426.9276-71.3224-30.2-82.681-24.622-25.52034-18.88.4-46.1-6.7-7.9-5.830-11.4-32.917243.8-5.52329-5.0-8.52211-7.8
Percentage of ProceedsFromRepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:CashAwardsGrantedDuringPeriodTargetValue

ipg:CashAwardsGrantedDuringPeriodTargetValue


Cash
Period End2021-06-302021-03-312014-09-30
Value1.1380.4
Percentage of CashAwardsGrantedDuringPeriodTargetValue100.0100.0100.0

ipg:ChangesInTemporaryEquity

ipg:ChangesInTemporaryEquity


Changes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.41.0172.90.22.8222.4-3.02.6-4.7-0.83.82.5-6.72.31.93.1-6.3-2.0-0.42.9-10.31.11.71.5-14.4-0.12.34.5-9.31.31.91.7-9.44.6-1.216-5.45.6-1.011-16.61.74.112
Percentage of ChangesInTemporaryEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:ChangesInTemporaryEquity us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Changes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.41.0112.90.22.8102.4-3.02.6-4.70.83.82.5-6.42.31.93.1-6.3-2.0-0.42.9-10.31.11.71.5-10.9-0.12.34.5-9.51.31.91.7-9.44.6-0.23.9-8.15.6-1.011-20.11.74.112
Percentage of ChangesInTemporaryEquity100.0100.063.2100.0100.0100.047.3100.0100.0100.0100.0-100.0100.0100.095.5100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.075.7100.0100.0100.0102.2100.0100.0100.0100.0100.016.723.1150.0100.0100.0100.0121.1100.0100.0100.0

ipg:ChangesrelatedtoCECLASU

ipg:ChangesrelatedtoCECLASU


Changesrelatedto
Period End2020-09-302020-06-302020-03-31
Value00-6600000.0
Percentage of ChangesrelatedtoCECLASU0.00.0100.0

ipg:ChangesrelatedtoCECLASU us-gaap:StatementEquityComponents

us-gaap:Parent


Changesrelatedto
Period End2020-09-302020-06-302020-03-31
Value00-6600000.0
Percentage of ChangesrelatedtoCECLASU0.00.0100.0

us-gaap:RetainedEarnings


Changesrelatedto
Period End2020-09-302020-06-302020-03-31
Value00-6600000.0
Percentage of ChangesrelatedtoCECLASU0.00.0100.0

ipg:Discountrateceilingcontingentacquisitionobligations

ipg:Discountrateceilingcontingentacquisitionobligations


Discountrateceilingcontingentacquisitionobligations
Period End2021-06-302021-03-312020-12-31
Value04.00
Percentage of Discountrateceilingcontingentacquisitionobligations0.0100.00.0

ipg:Discountrateceilinglongtermdebt

ipg:Discountrateceilinglongtermdebt


Discountrateceilinglongtermdebt
Period End2021-06-302021-03-312020-12-31
Value03.4-0.1
Percentage of Discountrateceilinglongtermdebt0.0100.0100.0

ipg:Discountratefloorcontingentacquisitionobligations

ipg:Discountratefloorcontingentacquisitionobligations


Discountratefloorcontingentacquisitionobligations
Period End2021-06-302021-03-312020-12-31
Value01.00
Percentage of Discountratefloorcontingentacquisitionobligations0.0100.00.0

ipg:Discountratefloorlongtermdebt

ipg:Discountratefloorlongtermdebt


Discountratefloorlongtermdebt
Period End2021-06-302021-03-312020-12-31
Value00.4-0.1
Percentage of Discountratefloorlongtermdebt0.0100.0100.0

ipg:EBITA

ipg:EBITA


E
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value40626424426962975123022857148126625444
Percentage of EBITA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:EBITA us-gaap:StatementBusinessSegments

ipg:ReportableSegmentsTwo


E
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value544025-26.3226651431.967494320
Percentage of EBITA13.515.39.6-42.222.912.917.215.32.614.018.417.046.9

us-gaap:CorporateAndOther


E
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-31.6-30.1-29.4-16.0-11.8-24.1-26.4-11.0-19.8-44.6-84.8-22.6-31.0-37.6
Percentage of EBITA-7.8-11.4-12.0-5.9-18.9-24.8-5.1-3.6-6.9-62.1-17.6-8.5-12.2-85.3

us-gaap:OperatingSegments


E
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3822542601009947326126111449824024261
Percentage of EBITA94.396.196.3161.2101.992.386.591.7159.5103.790.095.2138.3

ipg:IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsandNoncontrollingInterest

ipg:IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsandNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value26792115278-43.92.8341168172-9.2341163147-14.230814994163311321622.677123-4.2
Percentage of IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsandNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:NoncontrollingInterestRelatedToRedeemableNoncontrollingInterests

ipg:NoncontrollingInterestRelatedToRedeemableNoncontrollingInterests


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-400000.0-200000.0-600000.02900000.0200000.02900000.04900000.0-2300000.03000000.0-2800000.04800000.0-900000.0-11800000.0-2800000.06700000.0-3000000.0-2000000.0-4500000.06400000.01100000.0300000.0-2900000.010200000.0-1100000.0-6200000.0-2100000.09900000.0100000.0-2300000.0-4500000.09500000.0-1300000.0-1900000.0-1700000.09400000.0-4600000.0200000.0-3900000.08100000.0-5600000.01000000.0-11200000.0
Percentage of NoncontrollingInterestRelatedToRedeemableNoncontrollingInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansOtherBeforeTax

ipg:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansOtherBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value100000.0-100000.0-2300000.0400000.0-100000.0-1300000.0-2700000.0-100000.0600000.0-300000.0-600000.00-500000.0100000.03300000.00-400000.0-200000.00-100000.0100000.0100000.0-300000.0100000.0800000.0-100000.0-100000.0-100000.01900000.0-200000.0-200000.0-500000.0-3000000.0-300000.00100000.02600000.0-100000.0-100000.00
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansOtherBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0

ipg:OtherExpenseNetOther

ipg:OtherExpenseNetOther


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value-6400000.0-2600000.02700000.01600000.0-1500000.0-300000.0600000.0
Percentage of OtherExpenseNetOther100.0100.0100.0100.0100.0100.0100.0

ipg:ReclassificationsFromAccumulatedOtherComprehensiveLossToEarningsNetOfTax

ipg:ReclassificationsFromAccumulatedOtherComprehensiveLossToEarningsNetOfTax


Reclassifications
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value500000.0-6400000.0-11400000.0-5300000.01600000.0-1100000.0-6400000.0-3000000.0-5200000.0-3000000.0-14500000.0-6400000.0-2500000.0-2800000.03800000.0-6900000.0-1100000.0-14300000.01600000.02000000.01600000.02200000.01400000.01400000.0
Percentage of ReclassificationsFromAccumulatedOtherComprehensiveLossToEarningsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:RecoveryofDirectCostsExpenses

ipg:RecoveryofDirectCostsExpenses


Recoveryof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value240229265170172387468376394356442401443395458375351388
Percentage of RecoveryofDirectCostsExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:RedeemableNoncontrollingInterestsPeriodIncrease

ipg:RedeemableNoncontrollingInterestsPeriodIncrease


Redeemable
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.00.00.00.00.00.00.0240.00.00.04.30.40.06.8160.50.00.0-3.3140.07.93.70.00.012-3.02.01.00.0120.31.93.60.210
Percentage of RedeemableNoncontrollingInterestsPeriodIncrease0.00.00.00.00.00.00.0100.00.00.00.0100.0100.00.0100.0100.0100.00.00.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

ipg:RedeemableNoncontrollingInterestsRedemptionValueAdjustments

ipg:RedeemableNoncontrollingInterestsRedemptionValueAdjustments


Redeemable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-30
Value2.0-2.4-42.20.50.6-4.51.8-0.6-0.8-0.23.4-3.7-39.0-0.53.12.5-0.5-2.2
Percentage of RedeemableNoncontrollingInterestsRedemptionValueAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:RestrictedCashPlancashawardsgrantedduringtheperiodtargetvalue

ipg:RestrictedCashPlancashawardsgrantedduringtheperiodtargetvalue


Restricted
Period End2021-06-302021-03-312014-09-30
Value3.6760.4
Percentage of RestrictedCashPlancashawardsgrantedduringtheperiodtargetvalue100.0100.0100.0

us-gaap:AdjustmentForAmortization

us-gaap:AdjustmentForAmortization


Adjustment
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-21.6-21.6-21.321212121215.15.25.3
Percentage of AdjustmentForAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentForAmortization us-gaap:StatementBusinessSegments

ipg:ReportableSegmentsTwo


Adjustment
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-1.2-1.1-1.11.01.11.11.11.11.21.31.2
Percentage of AdjustmentForAmortization5.65.15.24.65.25.15.25.123.525.022.6

us-gaap:OperatingSegments


Adjustment
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-20.4-20.5-20.220202020203.93.94.1
Percentage of AdjustmentForAmortization94.494.994.895.494.894.994.894.976.575.077.4

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1.3230.00.20.721-0.10.20.3220.20.40.5280.30.30.7370.30.30.4220.20.2170.20.20.0140.10.40.2190.20.40.422-53.41.1205.2
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-1.3-23.044-0.2-0.6-21.40.1-0.2-0.2220.1-0.4-0.5280.30.30.7370.30.30.4220.20.2170.20.20.0140.10.40.2190.20.40.422-53.01.1195.2
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation-100.0-99.60.0-100.0-85.7-99.5-100.0-100.0-66.7100.050.0-100.0-100.099.6100.0100.0100.099.5100.0100.0100.099.6100.0100.099.4100.0100.00.099.3100.0100.0100.099.0100.0100.0100.099.199.3100.099.0100.0

us-gaap:CommonStock


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.0-0.10.40.0-0.1-0.10.00.0-0.10.00.10.00.00.10.00.00.00.20.00.00.00.10.00.00.10.00.00.00.10.00.00.00.20.00.00.00.2-0.40.00.20.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation0.0-0.40.00.0-14.3-0.5-0.00.0-33.30.050.00.00.00.40.00.00.00.50.00.00.00.40.00.00.60.00.00.00.70.00.00.01.00.00.00.00.90.70.01.00.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-1.3-23.144-0.2-0.7-21.50.1-0.2-0.3220.2-0.4-0.5280.30.30.7370.30.30.4220.20.2170.20.20.0140.10.40.2190.20.40.422-53.41.1205.2
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation-100.0-100.00.0-100.0-100.0-100.0-100.0-100.0-100.0100.0100.0-100.0-100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.12.72.83.33.02.32.32.42.32.32.31.51.31.41.61.41.41.41.41.41.41.41.61.41.41.41.41.41.31.03.21.42.61.41.51.01.0-1.7-2.4-2.3-5.91.9-1.4-1.2-2.81.0
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1


Business
Period End2021-06-302021-03-312020-12-31
Value-28400000.04200000.0800000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
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
Value0.2550.2550.2550.2550.2350.2350.2350.2350.210.210.210.210.180.180.180.180.150.150.150.150.120.120.120.120.0950.0950.0950.0950.0750.0750.0750.0750.060.060.060.060.060.060.060.060000
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:DefinedBenefitPlanActuarialGainLoss us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanActuarialGainLoss

us-gaap:DomesticPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-0.3-0.57.5-0.4-0.4-0.47.3-0.5-0.4-0.5-3.8-0.4-0.4-0.46.2-0.3-0.4-0.48.4-0.31.2
Percentage of DefinedBenefitPlanActuarialGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-1.7-1.758-1.4-1.3-1.446-1.2-1.2-1.2-43.2-1.4-1.5-1.524-1.4-1.4-1.3118-0.9-0.9
Percentage of DefinedBenefitPlanActuarialGainLoss566.7340.0778.7350.0325.0350.0634.2240.0300.0240.01136.8350.0375.0375.0393.5466.7350.0325.01408.3300.0-75.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-0.4-0.11.1-0.10.0-0.11.70.00.00.0-1.00.0-0.10.02.50.00.00.01.10.00.0
Percentage of DefinedBenefitPlanActuarialGainLoss133.320.014.725.0-0.025.023.3-0.0-0.0-0.026.3-0.025.0-0.040.3-0.0-0.0-0.013.1-0.00.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:ForeignPlan


Defined
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-30
Value100000.000100000.000100000.000100000.00100000.000100000.00
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.00.00.0100.00.00.0100.00.00.0100.00.0100.00.00.0100.00.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-30
Value0100000.0-100000.00-100000.00-100000.0-100000.00-100000.0-100000.0-100000.00-100000.0-100000.0100000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit0.00.00.00.00.00.0-100.00.00.0-100.00.0-100.00.00.0-100.00.0

us-gaap:DefinedBenefitPlanContributionsByEmployer us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanContributionsByEmployer

us-gaap:DomesticPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.31.30.00.00.70.60.50.80.60.50.46.31.60.30.32.0
Percentage of DefinedBenefitPlanContributionsByEmployer100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.84.64.55.34.24.44.94.44.64.14.84.44.25.74.54.4
Percentage of DefinedBenefitPlanContributionsByEmployer1600.0353.80.00.0600.0733.3980.0550.0766.7820.01200.069.8262.51900.01500.0220.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:DomesticPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1.41.41.51.41.41.41.51.51.41.51.61.71.51.81.61.51.51.61.71.51.7
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value5.35.24.84.74.64.74.44.24.44.44.64.54.84.94.54.54.44.33.24.95.3
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets378.6371.4320.0335.7328.6335.7293.3280.0314.3293.3287.5264.7320.0272.2281.2300.0293.3268.8188.2326.7311.8

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:DomesticPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.80.70.90.90.91.01.21.21.21.21.11.21.11.11.31.31.21.31.51.41.5
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value2.02.02.42.42.32.33.13.03.13.23.23.13.43.43.53.43.33.31.84.14.7
Percentage of DefinedBenefitPlanInterestCost250.0285.7266.7266.7255.6230.0258.3250.0258.3266.7290.9258.3309.1309.1269.2261.5275.0253.8120.0292.9313.3

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.10.20.20.20.20.20.30.30.30.30.30.30.20.30.40.30.30.30.40.40.3
Percentage of DefinedBenefitPlanInterestCost12.528.622.222.222.220.025.025.025.025.027.325.018.227.330.823.125.023.126.728.620.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DomesticPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-0.3-0.2-0.1-0.1-0.10.00.20.20.20.2-0.1-0.10.0-0.30.10.10.10.10.10.2-1.4
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-0.4-0.40.20.30.20.21.21.21.11.21.11.21.11.35.25.41.31.2-0.42.72.7
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost133.3200.0-200.0-300.0-200.00.0600.0600.0550.0600.0-1100.0-1200.00.0-433.35200.05400.01300.01200.0-400.01350.0-192.9

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.50.30.30.20.20.30.30.30.20.30.20.30.20.30.30.20.30.30.30.30.4
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost-166.7-150.0-300.0-200.0-200.00.0150.0150.0100.0150.0-200.0-300.00.0-100.0300.0200.0300.0300.0300.0150.0-28.6

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1.11.11.41.21.11.21.31.21.11.22.31.10.91.12.01.01.00.9-0.62.42.2
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4847524951514447514946383840
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation us-gaap:StatementBusinessSegments

ipg:ReportableSegmentsTwo


Depreciationus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4.34.35.05.45.14.84.94.64.94.74.9
Percentage of Depreciation8.99.010.110.59.910.19.59.312.612.112.0

us-gaap:CorporateAndOther


Depreciationus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2.11.90.90.61.71.21.62.61.02.22.5
Percentage of Depreciation4.34.01.81.23.32.53.15.32.65.76.1

us-gaap:OperatingSegments


Depreciationus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4241434544414542333133
Percentage of Depreciation86.887.088.188.386.887.387.485.584.882.281.8

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302012-12-312012-09-302011-09-30
Value300000.0-3900000.0-200000.0-600000.0-500000.0-400000.09200000.000
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value107106100100101100909090908080808069697070585960594848494939393940313131312525262626272828
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:Parent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value107106100100101100909090908080808069697070585960594848494939393940313131312525262626272828
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value107106100100101100909090908080808069697070585960594848494939393940313131312525262626
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2.5-30.4518.617-46.75.1-21.416-6.4-12.0-7.8-24.6-2.916-7.8-11.820-39.1-1.9
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignIncomeTaxExpenseBenefitContinuingOperations us-gaap:ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItem

us-gaap:ForeignIncomeTaxExpenseBenefitContinuingOperations

ipg:ChangesInNonUSTaxLaw


Foreign
Period End2020-12-31
Value0.0
Percentage of ForeignIncomeTaxExpenseBenefitContinuingOperations0.0

ipg:RestructuringActionsTakenWithinForeignSubsidiaries


Foreign
Period End2020-12-31
Value0.0
Percentage of ForeignIncomeTaxExpenseBenefitContinuingOperations0.0

us-gaap:GainLossOnSaleOfBusiness

us-gaap:GainLossOnSaleOfBusiness


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-1.7-12.515-8.6-19.9-23.323-7.7-3.2-8.611-5.8-19.8-24.4-3.2-8.7-13.10.9-25.33.9-3.7-16.3-12.0-37.8-0.2-0.1-0.7
Percentage of GainLossOnSaleOfBusiness100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value400000.0-200000.01500000.0-400000.00-200000.0500000.0300000.0-100000.0-300000.0800000.0100000.0-100000.0-1900000.0800000.0-1000000.0-100000.01200000.01900000.0200000.0-1900000.0100000.0500000.0100000.0500000.00600000.0300000.0400000.0-100000.01200000.0600000.0200000.0100000.0800000.01400000.0500000.0400000.01600000.0800000.0600000.0300000.01500000.0800000.0200000.0-600000.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value49-233.62404849-158.810018-14.7-77.5162-10.6-11.3-164.64626-49.0-264.914643-53.0-198.87588-25.0-173.314766-0.2-173.3135-2.6-18.5-131.811417-39.0-150.9103266158-523.839120215-340.7
Percentage of IncreaseDecreaseInAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-12.7342744-19.68.89.3-13.01139-1.28.1201756
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherReceivables

us-gaap:IncreaseDecreaseInOtherReceivables


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value19440335-459.64076-99.8175
Percentage of IncreaseDecreaseInOtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2868-72.6-14.31757-2.3-32.6-17.379-33.4-24.03688-75.6-33.81071-17.1-11.9-26.059-2.9-5.6-13.331-7.8-11.72947-27.5-17.63.253-21.3-28.211345.16.22.128-14.7-10.4-1.226
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value5.74.50.14.34.00.65.15.04.40.55.85.95.20.37.78.07.60.8109.78.70.37.97.16.36.80.16.46.15.70.18.16.91.47.68.82.0109.8
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeDepositsWithFinancialInstitutions

us-gaap:InterestIncomeDepositsWithFinancialInstitutions


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value7.66.96.86.15.9109.59.57.77.87.85.34.74.05.44.14.75.24.04.75.65.85.05.65.07.27.17.56.66.2
Percentage of InterestIncomeDepositsWithFinancialInstitutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value14841393134612691306142214321334138114211423125112921330132512271239127513091228122912701235120212051215126611951170118811991093112011321133106410881104113810881095108011391007991979
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityAverageOutstandingAmount us-gaap:ShortTermDebtType

us-gaap:LineOfCreditFacilityAverageOutstandingAmount

ipg:UncommittedCreditFacility


Line
Period End2021-06-302021-03-312020-09-30
Value688178
Percentage of LineOfCreditFacilityAverageOutstandingAmount100.0100.0100.0

us-gaap:MinorityInterestChangeInRedemptionValue

us-gaap:MinorityInterestChangeInRedemptionValue


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.71.0430.00.03.1-1.60.01.10.3-3.41.6431.5-3.3-1.2-0.1-3.3-0.82.6-0.1-3.8-0.3-1.63.8-5.8-1.50.01.11.9-6.80.0-0.30.9-0.40.0-0.23.36.6-10.4-0.9-9.4-5.4-0.9-2.4-2.3
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestChangeInRedemptionValue us-gaap:StatementEquityComponents

us-gaap:Parent


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
Value-1.71.0430.00.03.1-1.60.01.10.3-3.41.6431.5-3.3-1.2-0.1-3.3-0.82.6-0.1-3.8-0.3-1.63.8-5.8-1.50.01.11.9-6.80.0-0.30.9-0.40.0-0.23.36.6-10.4-0.9-9.4-5.4-0.9-2.4-2.3
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-1.71.01.90.00.03.1-1.60.01.10.3-3.41.61.41.5-3.3-1.2-0.1-3.3-0.82.6-0.1-3.8-0.3-1.63.8-5.8-1.50.01.11.9-6.80.0-0.30.9-0.40.0-0.23.3
Percentage of MinorityInterestChangeInRedemptionValue100.0100.04.40.00.0100.0100.00.0100.0100.0100.0100.03.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:MinorityInterestDecreaseFromRedemptions

us-gaap:MinorityInterestDecreaseFromRedemptions


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value155.7180.00.02.5280.00.0-3.167-1.5-34.11.90.05.30.5120.05.118-9.049-1.9-6.8-15.73.41.61.01.90.20.00.81.30.00.01.2132718187.41.611
Percentage of MinorityInterestDecreaseFromRedemptions100.0100.0100.00.00.0100.0100.00.00.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseImpairmentLoss

us-gaap:OperatingLeaseImpairmentLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-0.9-0.411726650.00.00.00.0
Percentage of OperatingLeaseImpairmentLoss100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OperatingLeaseImpairmentLoss us-gaap:RestructuringCostAndReserve

ipg:NoncashItems


Operating
Period End2021-06-302021-03-312020-06-30
Value-0.7-0.465
Percentage of OperatingLeaseImpairmentLoss77.8100.0100.0

us-gaap:OperatingLeaseImpairmentLoss us-gaap:StatementBusinessSegments

ipg:CMG


Operating
Period End2020-09-30
Value12
Percentage of OperatingLeaseImpairmentLoss48.1

ipg:DXTRA


Operating
Period End2021-06-30
Value-0.3
Percentage of OperatingLeaseImpairmentLoss33.3

ipg:IAN


Operating
Period End2021-06-302020-09-30
Value-0.614
Percentage of OperatingLeaseImpairmentLoss66.753.8

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value16-40.94643-145.5-49.53.98.4-27.4-114.3222934503.1-10.349-109.026-134.3-113.525-0.4-26.924-72.7-37.6
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value10-22.55044-147.1-49.4
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value-4.8183.6-0.5-0.40.0
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax100.0100.0100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value16-41.0974642-147.649-50.94.28.3-27.7-27.9-116.42218293250-99.44.4-17.850-38.8-109.026-135.1-105.3-113.525-1.0-27.624-74.5-38.8
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2200000.0-700000.0-10700000.0-9600000.0-3300000.03600000.0-1500000.0600000.0-4600000.0-1200000.01000000.0-3300000.0-900000.0-12500000.0700000.0-1500000.0-700000.0-1200000.0-1400000.04200000.0-7500000.0-5900000.0-9600000.0-14900000.0700000.0500000.0-1800000.000900000.00000
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2.2-0.7-9.6-3.33.60.6-4.6-1.2-3.3-0.9-12.5-1.50.9-1.24.2-0.6-5.9-14.90.70.50.00.00.9-0.60.00.00.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value-1200000.00400000.01600000.0-1200000.0100000.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax100.00.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-0.8-1.825-1.8-3.0-0.314-1.4-2.8-1.3-12.1-1.8-0.3-2.111-11.1-1.7-1.44.464-0.7-2.3-7.5-1.4-3.1-6.638-1.5-1.6-1.614-1.7-2.3-0.565-1.1-1.9-1.024-1.2-4.8
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax


Other
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-1.2-31.40.02.2-15.50.00.7140.0-1.4-22.68.20.80.0-7.0-79.20.60.25.72.81.34.4-55.20.00.0-0.3-20.60.01.1-1.1-68.90.01.3-0.3-29.40.03.7
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax100.0100.00.0100.0100.00.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-0.6-0.46.2-0.4-0.9-0.31.6-0.2-0.1-0.1-1.8-0.10.2-0.12.9-2.8-0.5-0.12.8130.2-0.7-1.6-2.6-1.3-0.912-1.0-0.7-0.61.5-0.8-1.3-0.74.2-0.6-1.2-0.50.5-0.6-0.7
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value300000.0-5200000.0-600000.0-600000.0-600000.0-600000.0-500000.0-600000.0-600000.0-600000.0-500000.0-600000.0-600000.0-500000.0-500000.0-500000.0-600000.0-500000.0-500000.0-500000.0-500000.0-500000.0-3500000.0500000.0-500000.0-500000.0-500000.0-500000.0-500000.0-400000.0-400000.0-400000.0-500000.0-400000.0-300000.00
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax us-gaap:LongtermDebtType

ipg:UnsecuredDebt3750NoteDueIn2023


Other
Period End2021-06-302021-03-31
Value04700000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax0.0-90.4

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302014-09-302014-06-30
Value2500000.02300000.01900000.01800000.01800000.01900000.01700000.01700000.01600000.01700000.01800000.01800000.02000000.01900000.01700000.01700000.01800000.01700000.01200000.0-200000.02700000.01300000.03200000.02600000.02400000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value-2000000.0-1800000.0-1400000.0-1400000.0-1500000.0-1300000.0-1300000.0-1300000.0-1500000.0-1600000.0-1700000.0-5200000.0-1400000.0-1300000.0-400000.0-200000.0-2000000.01500000.0-2100000.0-2100000.0-1600000.0-1700000.0-2000000.0-1900000.0-1400000.0-2100000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationBeforeTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-2500000.0-2300000.0-1800000.0-1800000.0-1900000.0-1700000.0-1600000.0-1700000.0-1500000.0-1900000.0-2000000.0-2100000.02300000.0-5700000.0-1800000.0-1700000.0-1400000.0-1300000.00-2700000.0-3100000.0-1100000.0-3400000.0-3000000.0-2400000.0-2600000.0-2400000.0-2600000.0-2600000.0-2700000.0-2700000.0-2800000.0-2000000.0-2000000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-03-312011-03-31
Value0.51.8-3.90.60.40.5-3.40.60.40.5-4.00.60.50.6-3.90.60.60.6-4.01.30.00.9-13.13.31.31.46.71.50.90.5-5.50.9-1.40.80.70.7
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value100000.0-100000.01400000.0400000.0-400000.0-2100000.0-1400000.0300000.0-100000.0-500000.0-2100000.0300000.0-100000.0200000.0500000.01300000.0-600000.0500000.0-2300000.0100000.0-800000.0
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-6.4217.74.5-0.5-1.2-1.60.0-0.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.60.00.00.00.00.3-3.6-15.8-2.80.00.00.00.0
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.00.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-5.1226.33.80.10.10.40.40.50.50.30.40.50.30.60.30.40.30.30.30.30.31.70.20.30.30.30.30.3-0.10.20.30.30.20.3-2.1-8.1-2.80.00.00.00.0
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-1600000.04200000.02000000.01300000.00100000.0100000.0200000.0100000.0100000.0200000.0200000.0100000.0200000.0-100000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.01800000.0-700000.0200000.0200000.0200000.0200000.0200000.0-100000.0200000.0100000.0200000.0200000.0300000.0-1500000.0-7700000.000000
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-2.2-4.60.7-9.1-10.4-1.2-8.40.611-13.13.0-2.34.9-6.83.4-5.9-3.5-6.7-6.5-1.0-2.8-25.2-10.6-1.2-0.9-10.930-2.2-10.9-4.0-10.6-4.1110.4-2.3-1.21.6-10.4-12.3-2.2-3.5-10.21.2-7.8
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherRestructuringCosts

us-gaap:OtherRestructuringCosts


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.10.2122.82.30.00.00.00.0
Percentage of OtherRestructuringCosts100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherRestructuringCosts us-gaap:RestructuringCostAndReserve

ipg:CashPayments


Other
Period End2021-06-302021-03-312020-12-312020-06-30
Value0.00.29.61.1
Percentage of OtherRestructuringCosts0.0100.078.047.8

ipg:NoncashItems


Other
Period End2021-06-302021-03-312020-12-312020-06-30
Value-0.10.02.71.2
Percentage of OtherRestructuringCosts-100.00.022.052.2

us-gaap:PaymentsForPreviousAcquisition

us-gaap:PaymentsForPreviousAcquisition


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value8.93.46.08.313180.52.3130.03.3144.6124.17.5290.0214.0252.40.94.15.33.3
Percentage of PaymentsForPreviousAcquisition100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value9.50.325-0.94.014-23.7-10.9-0.7-2.15.711-12.50.10.5-5.39.45.15.40.10.55.2-2.84.3-0.2-0.2-0.2-1.51.2-1.6-12.40.33.9-1.80.9-11.02.4-2.0-2.6-9.0-0.40.228-32.00.82.1
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:PaymentsOfDebtExtinguishmentCosts us-gaap:LongtermDebtType

us-gaap:PaymentsOfDebtExtinguishmentCosts

ipg:UnsecuredDebt3750NoteDueIn2023


Payments
Period End2021-06-302021-03-31
Value0.0532
Percentage of PaymentsOfDebtExtinguishmentCosts0.0100.0

ipg:UnsecuredDebt4000Note


Payments
Period End2021-06-302021-03-31
Value0.0258
Percentage of PaymentsOfDebtExtinguishmentCosts0.048.6

ipg:UnsecuredDebt4200NotesRemainingPrincipal


Payments
Period End2021-06-302021-03-31
Value0.0282
Percentage of PaymentsOfDebtExtinguishmentCosts0.053.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1.6220.10.42.7190.10.30.8210.40.81.7260.40.61.1360.40.23.0190.20.90.316
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.02.40.01.21.30.00.00.60.022973.58.30.28.010.09.33.34.1137.327225.90.00.04.9122822130.013344.989492.11211362.1-1.1543.45.6
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0100.00.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToMinorityShareholders

us-gaap:PaymentsToMinorityShareholders


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.63.35.84.33.85.69.24.35.62.53.52.86.73.93.56.04.96.02.93.63.24.02.84.97.01.23.11.86.45.74.53.45.81.24.83.27.21.85.66.77.63.13.36.17.64.5
Percentage of PaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromHedgeInvestingActivities

us-gaap:ProceedsFromHedgeInvestingActivities


Proceeds
Period End2021-06-302021-03-312020-06-302020-03-31
Value0-28800000.0100000.0-1800000.0
Percentage of ProceedsFromHedgeInvestingActivities0.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.3-10.90.0-2.0-1.9-6.3-1.40.10.6-0.6-3.3-11.61.3-1.6-3.2-0.20.30.00.80.1-0.1-0.1-0.81.11.41.10.90.8-3.00.6-1.80.9-0.20.3-1.80.9-2.9-1.0672.86.6-3.8-14.212-9.33.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.08.06.50.00.00.00.13.60.00.66.42.10.16.91.00.33.68.20.00.45.93.91.71.21.59.18.21.24.56.23.81213183.20.82.84.91.40.23.38.43.81.00.00.0
Percentage of ProceedsFromStockOptionsExercised0.0100.0100.00.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.0-2.29.71016222.41.03.33.4-2.93.34.02.10.00.92.75.93.16.04.43.2-0.85.54.02.7-1.63.41.83.81.24.03.63.84.52.72.46.72.72.02.23.52.11.95.61.1
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value500000.0-6400000.0-11200000.0-5300000.01600000.0-1100000.0-6400000.0-3000000.0-5200000.0-3000000.0-14500000.0-6400000.0-900000.0-2800000.03500000.0-6800000.0-8200000.0-13200000.01900000.0-1600000.0-1600000.02000000.0-1600000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RecoveryOfDirectCosts

us-gaap:RecoveryOfDirectCosts


Recovery
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value240229265170172387468376394356442401443395458375351388
Percentage of RecoveryOfDirectCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RedemptionPremium us-gaap:LongtermDebtType

us-gaap:RedemptionPremium

ipg:UnsecuredDebt3750NoteDueIn2023


Redemption
Period End2021-06-302021-03-31
Value0.030
Percentage of RedemptionPremium0.0100.0

ipg:UnsecuredDebt4000Note


Redemption
Period End2021-06-302021-03-31
Value0.08.6
Percentage of RedemptionPremium0.028.0

ipg:UnsecuredDebt4200NotesRemainingPrincipal


Redemption
Period End2021-06-302021-03-31
Value0.027
Percentage of RedemptionPremium0.089.6

us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminated

us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminated


Restructuring
Period End2020-12-31
Value549.0
Percentage of RestructuringAndRelatedCostNumberOfPositionsEliminated100.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.21.3253471120.00.00.02.1310.00.00.00.00.0-0.70.0-0.10.1-0.10.7-0.560-0.20.3-0.1-0.1-0.4-0.70.00.2-0.20.20.81.61.40.60.3
Percentage of RestructuringCharges100.0100.0100.0100.0100.00.00.00.0100.0100.00.00.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges us-gaap:RestructuringCostAndReserve

ipg:CashPayments


Restructuring
Period End2021-06-302021-03-312020-12-312020-06-30
Value9.5433611
Percentage of RestructuringCharges-4750.03330.814.59.9

ipg:NoncashItems


Restructuring
Period End2021-06-302021-03-312020-12-312020-06-30
Value-0.7-0.216967
Percentage of RestructuringCharges350.0-15.466.960.0

us-gaap:RestructuringCharges us-gaap:StatementBusinessSegments

ipg:CMG


Restructuring
Period End2020-09-302019-12-312019-09-30
Value170.00.0
Percentage of RestructuringCharges36.40.00.0

ipg:DXTRA


Restructuring
Period End2021-06-302021-03-31
Value-0.30.8
Percentage of RestructuringCharges150.061.5

ipg:IAN


Restructuring
Period End2021-06-302021-03-312020-09-302019-12-312019-09-30
Value0.00.5240.00.0
Percentage of RestructuringCharges-0.038.552.60.00.0

us-gaap:CorporateAndOther


Restructuring
Period End2021-06-30
Value0.1
Percentage of RestructuringCharges-50.0

us-gaap:RestructuringCosts

us-gaap:RestructuringCosts


Restructuring
Period End2020-12-312020-09-302019-12-312019-09-30
Value169280.00.0
Percentage of RestructuringCosts100.0100.00.00.0

us-gaap:SeveranceCosts1

us-gaap:SeveranceCosts1


Severance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.61.57717440.00.00.02.1
Percentage of SeveranceCosts1100.0100.0100.0100.0100.00.00.00.0100.0

us-gaap:SeveranceCosts1 us-gaap:RestructuringCostAndReserve

ipg:CashPayments


Severance
Period End2021-06-302021-03-312020-12-312020-06-30
Value9.5432710
Percentage of SeveranceCosts11583.32873.335.022.6

ipg:NoncashItems


Severance
Period End2021-06-302021-03-312020-12-312020-06-30
Value0.10.23.50.7
Percentage of SeveranceCosts116.713.34.51.6

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

ipg:PerformanceBasedAwards


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.2721.71-0.02-0.01-0.0118.7100-0.0120.1700-0.0221.1500020.060.0200.0219.5400-0.0520.9300.010.0116.5400.06011.910-0.01
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.00.0100.0100.00.0100.0100.00.00.0100.0100.00.0100.0100.0100.00.0100.00.0100.00.0100.0

ipg:StockSettledAwards


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.7825.45-0.04-0.02-0.2120.970-0.06-0.0422.88-0.020023.62-0.02-0.06-0.0324.290.010.130.1421.590.03-0.08-0.2722.390.040.060.0817.590.340.260.1512.760-0.05
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue288.9117.2200.0200.02100.0112.10.00.0400.0113.40.00.0-0.0111.70.00.00.0121.150.00.0700.0110.50.00.0540.0107.00.0600.0800.0106.30.0433.30.0107.10.0500.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross

ipg:PerformanceBasedAwards


Share
Period End2021-06-302021-03-31
Value0300000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross0.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

ipg:PerformanceBasedAwards


Share
Period End2021-06-302021-03-31
Value03.94
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.0

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation

ipg:CommonStockSharesIssued


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value0-900000.02200000.0-100000.0-100000.0-900000.00-100000.0-100000.0-800000.00-100000.0-1100000.000-1600000.0-100000.00-1000000.000-800000.000-800000.00-1400000.0-100000.0
Percentage of SharesPaidForTaxWithholdingForShareBasedCompensation0.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.00.00.0100.0100.00.0100.00.00.0100.00.00.0100.00.0100.0100.0

us-gaap:ShortTermDebtWeightedAverageInterestRateOverTime us-gaap:ShortTermDebtType

us-gaap:ShortTermDebtWeightedAverageInterestRateOverTime

ipg:UncommittedCreditFacility


Short
Period End2021-06-302021-03-312020-09-30
Value3.02.92.9
Percentage of ShortTermDebtWeightedAverageInterestRateOverTime100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

ipg:CommonStockSharesIssued


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value0.32.60.60.20.23.40.10.10.23.40.10.24.40.10.15.40.20.33.40.00.22.20.10.13.10.01.50.9
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

ipg:CommonStockSharesIssued


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value0600000.0600000.00000500000.0100000.00500000.0100000.0800000.00400000.0700000.0100000.0600000.0500000.0200000.0100000.0900000.0100000.0400000.0500000.01200000.01800000.01700000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised0.0100.0100.00.00.00.00.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.18.36.70.10.20.20.03.70.00.66.52.20.07.01.00.33.68.30.00.55.84.01.81.21.59.28.31.24.56.33.81213182.30.82.85.00.00.23.38.5
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.18.26.60.10.20.20.03.60.00.66.42.10.16.91.00.33.68.20.00.55.83.91.71.21.59.18.21.24.56.23.81213182.30.82.84.90.00.23.38.4
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.098.898.5100.0100.0100.00.097.30.0100.098.595.50.098.6100.0100.0100.098.80.0100.0100.097.594.4100.0100.098.998.8100.0100.098.4100.099.298.598.9100.0100.0100.098.00.0100.0100.098.8

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.00.10.10.00.00.00.00.10.00.00.10.10.10.10.00.00.00.10.00.00.00.10.10.00.00.10.10.00.00.10.00.10.20.20.00.00.00.10.00.00.00.1
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.01.21.50.00.00.00.02.70.00.01.54.50.01.40.00.00.01.20.00.00.02.55.60.00.01.11.20.00.01.60.00.81.51.10.00.00.02.00.00.00.01.2

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.18.36.70.10.20.20.03.70.00.66.52.20.07.01.00.33.68.30.00.55.84.01.81.21.59.28.31.24.56.33.81213182.30.82.85.00.00.23.38.5
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:StockholdersEquityOther

us-gaap:StockholdersEquityOther


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value100000.0400000.0-500000.08300000.0300000.0-800000.0-1000000.0-900000.0700000.01500000.03800000.0600000.01200000.01700000.02100000.01000000.0300000.01800000.0-1200000.0-2000000.0400000.01400000.0-900000.0400000.0100000.0-3800000.05400000.0-200000.0200000.0900000.002600000.0-5500000.05600000.0-700000.0-300000.0200000.06800000.0-1000000.0-1600000.0-2000000.0-15600000.0-200000.0200000.0-1400000.0
Percentage of StockholdersEquityOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityOther us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-100000.08800000.0-100000.0001000000.0600000.01900000.0100000.0700000.00-100000.0600000.0200000.0-1300000.0-500000.0100000.0500000.00-100000.0100000.0-100000.0100000.03900000.0-5800000.05500000.03800000.0-900000.0-900000.04800000.0-1500000.0-600000.0-2100000.0-14600000.0-1000000.0600000.0-1900000.0
Percentage of StockholdersEquityOther20.0106.012.5-0.0-0.0142.940.050.016.758.30.0-33.333.3-16.765.0-125.07.1-55.60.0-100.050.0-11.10.0150.0105.598.2-542.9300.0-450.070.6150.037.5105.093.6500.0300.0135.7

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value100000.0400000.0-400000.0-500000.0300000.0300000.0100000.0200000.0-1200000.0300000.02400000.01100000.0-100000.001700000.0900000.0-1800000.0-1000000.0600000.01000000.0-1600000.0-300000.01500000.0-200000.0-200000.0700000.0-200000.0-100000.0-4700000.0400000.0500000.01500000.0500000.0-1000000.0100000.0-900000.0400000.0
Percentage of StockholdersEquityOther100.0100.080.0-6.0100.0-37.5-10.0-22.2-171.420.063.2183.3-8.30.081.050.0150.050.0150.071.4177.87.927.8100.0-100.077.80.0-1.8671.4-133.3250.022.1-50.062.5-5.05.8-28.6

us-gaap:Parent


Stockholders
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-100000.08800000.0-1100000.0-1100000.0-1100000.01900000.01200000.01400000.0-500000.01300000.01700000.0400000.0400000.0300000.0900000.0600000.0-1000000.0-200000.0400000.0700000.0200000.0100000.0-3500000.03900000.00400000.0200000.0200000.04000000.0-5500000.05700000.04000000.0-700000.0-300000.05300000.0-1500000.0-600000.0-2100000.0-14700000.0-1000000.0600000.0-1800000.0
Percentage of StockholdersEquityOther20.0106.0137.5110.0122.2271.480.036.8-83.3108.3100.019.040.0100.050.0-50.050.0-50.028.6-77.850.0100.092.172.2-0.0200.022.20.0153.8100.0101.8-571.4233.3-150.077.9150.037.5105.094.2500.0300.0128.6

us-gaap:TaxAdjustmentsSettlementsAndUnusualProvisions

us-gaap:TaxAdjustmentsSettlementsAndUnusualProvisions


Tax
Period End2020-12-312020-09-302019-06-30
Value-272.413613
Percentage of TaxAdjustmentsSettlementsAndUnusualProvisions100.0100.0100.0

us-gaap:TaxesOther

us-gaap:TaxesOther


Taxes
Period End2020-09-302020-06-30
Value-3200000.0-10400000.0
Percentage of TaxesOther100.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-07-152021-04-152021-02-112020-10-15
Value393393390390
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0

ipg:AcquisitionObligations

ipg:AcquisitionObligations


Acquisition
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3259474953324541387765526543425356917773687250626510588576056129.211362919154543108.563
Percentage of AcquisitionObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:AcquisitionObligationscurrent

ipg:AcquisitionObligationscurrent


Acquisition
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value474565427750881229
Percentage of AcquisitionObligationscurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:CashDebtPoolingArrangementsAmountNetted

ipg:CashDebtPoolingArrangementsAmountNetted


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2702227420651412130016081590141511661106916
Percentage of CashDebtPoolingArrangementsAmountNetted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:Cashpoolingguarantees

ipg:Cashpoolingguarantees


Cashpoolingguarantees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value107106109213207205207199205209207204193205182
Percentage of Cashpoolingguarantees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:Commercialpaperborrowingcapacity

ipg:Commercialpaperborrowingcapacity


Commercialpaperborrowingcapacity
Period End2021-06-302021-03-312020-12-312020-09-302017-12-312017-10-252017-09-30
Value1500150015001500150015001000
Percentage of Commercialpaperborrowingcapacity100.0100.0100.0100.0100.0100.0100.0

ipg:DeferredTaxAssets

ipg:DeferredTaxAssets


Deferred
Period End2020-12-312019-12-31
Value302252
Percentage of DeferredTaxAssets100.0100.0

ipg:DeferredTaxAssetsInterest

ipg:DeferredTaxAssetsInterest


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
Value4245484558606060665451
Percentage of DeferredTaxAssetsInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:DeferredTaxLiabilitiesByJurisdiction

ipg:DeferredTaxLiabilitiesByJurisdiction


Deferred
Period End2020-12-312019-12-31
Value224262
Percentage of DeferredTaxLiabilitiesByJurisdiction100.0100.0

ipg:DeferredTaxLiabilitiesROU

ipg:DeferredTaxLiabilitiesROU


Deferred
Period End2020-12-312019-12-312018-12-31
Value2853350.0
Percentage of DeferredTaxLiabilitiesROU100.0100.00.0

ipg:DomesticPensionPlanDiscountRate

ipg:DomesticPensionPlanDiscountRate


Domestic
Period End2020-12-312019-12-312018-12-31
Value2.60.03350.0435
Percentage of DomesticPensionPlanDiscountRate100.0100.0100.0

ipg:ForeignPensionPlanDiscountRate

ipg:ForeignPensionPlanDiscountRate


Foreign
Period End2020-12-312019-12-312018-12-31
Value1.350.01840.0261
Percentage of ForeignPensionPlanDiscountRate100.0100.0100.0

ipg:GuaranteeObligationsCurrentCarryingValueCreditfacilities

ipg:GuaranteeObligationsCurrentCarryingValueCreditfacilities


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value434400399275270276293310296297349333322329491413399373395353349350336325329324317292279257257283283280379339327395
Percentage of GuaranteeObligationsCurrentCarryingValueCreditfacilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:GuaranteeObligationsCurrentCarryingValueLeases

ipg:GuaranteeObligationsCurrentCarryingValueLeases


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value600616630658684713739764766789824851823822829827824837857834843840619538580564575579588420400382410423431372385376
Percentage of GuaranteeObligationsCurrentCarryingValueLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:InterestCreditingRateUsedtoCalculateObligation us-gaap:RetirementPlanType

ipg:InterestCreditingRateUsedtoCalculateObligation

us-gaap:DomesticPlan


Interest
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5.10.0510.0510.0510.051
Percentage of InterestCreditingRateUsedtoCalculateObligation100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Interest
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1.50.01370.01440.01310.0129
Percentage of InterestCreditingRateUsedtoCalculateObligation29.426.928.225.725.3

ipg:LineofCreditFacilityAvailableCapacityIncreaseAmount us-gaap:LineOfCreditFacility

ipg:LineofCreditFacilityAvailableCapacityIncreaseAmount

ipg:CommittedCreditFacility


Lineof
Period End2020-12-31
Value250
Percentage of LineofCreditFacilityAvailableCapacityIncreaseAmount100.0

ipg:LineofCreditFacilityLimitsonLettersofCredit us-gaap:LineOfCreditFacility

ipg:LineofCreditFacilityLimitsonLettersofCredit

ipg:CommittedCreditFacility


Lineof
Period End2020-12-31
Value50
Percentage of LineofCreditFacilityLimitsonLettersofCredit100.0

ipg:NumberOfReportingUnitsForPurposesOfAnnualGoodwillImpairmentTest

ipg:NumberOfReportingUnitsForPurposesOfAnnualGoodwillImpairmentTest


Number
Period End2020-12-31
Value12.0
Percentage of NumberOfReportingUnitsForPurposesOfAnnualGoodwillImpairmentTest100.0

ipg:OfficeAndRelatedExpensesCurrent

ipg:OfficeAndRelatedExpensesCurrent


Office
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value182325221721262426285249485153484546464243435147465251505454565250485146464957515462
Percentage of OfficeAndRelatedExpensesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:OperatingLeaseLiabilityLeasesNotCommenced

ipg:OperatingLeaseLiabilityLeasesNotCommenced


Operating
Period End2020-12-31
Value52
Percentage of OperatingLeaseLiabilityLeasesNotCommenced100.0

us-gaap:AccruedIncomeTaxes

us-gaap:AccruedIncomeTaxes


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value2629500.02143
Percentage of AccruedIncomeTaxes100.0100.0100.00.0100.0100.0

us-gaap:AccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccruedLiabilitiesCurrentAndNoncurrent


Accrued
Period End2021-12-312021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-10-01
Value83267960883264459953974246
Percentage of AccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value24296.80.5-3.3-228.5-228.8-213.9-215.3-4.8-5.3-5.6-6.0-6.5-6.8-7.4-7.7-8.1-8.4-8.7-9.0-9.3-9.6-10.5-10.3-10.6-10.9-11.2-11.5-11.8-11.7-11.9-12.2-12.5-12.70.00.0
Percentage of AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value6.8-3.5-5.3-6.8-8.4-9.6-10.9
Percentage of AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax100.01.5100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-312009-12-31
Value-246.8-247.6-249.4-223.7-225.5-228.5-228.8-213.9-215.3218219231233233235223234236238233168169171179180183190151153154156-141.5-143.2-145.5146856790
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value-249.4-228.8-219.4-235.7238-171.7-190.3
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0-100.0-100.0100.0-100.0-100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-312009-12-31
Value-663500000.0-677800000.0-637600000.0-744600000.0-800300000.0-846800000.0-697700000.0-748400000.0-698300000.0-706800000.0-716400000.0-688200000.0-664100000.0-550700000.0-585300000.0-601500000.0-632300000.0-665400000.0-716700000.0-621000000.0-619900000.0-610200000.0-665600000.0-637600000.0-545800000.0-571100000.0-436300000.0-333000000.0-219200000.0-245000000.0-243700000.0-216200000.0-240400000.0-167700000.0-130100000.0-140900000.0-51300000.0-85300000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedTranslationAdjustment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value-637600000.0-697700000.0-716400000.0-584900000.0-716700000.0-665600000.0-436300000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax100.0100.0100.099.9100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value90929890814038434042464443424556615559535254615957596466676465626159595758556263636366
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AreaOfRealEstateProperty

us-gaap:AreaOfRealEstateProperty


Area
Period End2020-12-31
Value1700000.0
Percentage of AreaOfRealEstateProperty100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value4.64.50.8202617222226195.75.719125.78.31910820312
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability

us-gaap:BusinessCombinationContingentConsiderationLiability


Business
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value95114148147205
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel3


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value7199959496104114106110160148139147150147164157222205143
Percentage of BusinessCombinationContingentConsiderationLiability0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:FairValueByMeasurementBasis

us-gaap:EstimateOfFairValueFairValueDisclosure


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value7199959496104114106110160148139147150147164157222205143
Percentage of BusinessCombinationContingentConsiderationLiability0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet


Business
Period End2020-12-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302014-12-312013-12-312012-12-31
Value287.67.62.42131241462482214914775611418597201
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareGross

us-gaap:CapitalizedComputerSoftwareGross


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value470422368331306295296269
Percentage of CapitalizedComputerSoftwareGross100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:CashAndCashEquivalentsFairValueDisclosure


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1507786132201440
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value15041160150710369010937861322601631329611111120115317619244011715615487524490147043531776151199495818066929628441596122611831100174412051264
Percentage of CashAndCashEquivalentsFairValueDisclosure0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:EstimateOfFairValueFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value150411601507103690109378613226016313296111111201153176192440117875
Percentage of CashAndCashEquivalentsFairValueDisclosure0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0

us-gaap:CashSurrenderValueOfLifeInsurance

us-gaap:CashSurrenderValueOfLifeInsurance


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value180178177177171167165162150144123
Percentage of CashSurrenderValueOfLifeInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNet


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value394351474658635751636757442611
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value3411340934183917391439133273337035643663366032611282129012871586158416061604160716081611161216251483
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:LongtermDebtType

ipg:UnsecuredDebt2400Notes


Debt
Period End2021-06-302021-03-31
Value494494
Percentage of DebtInstrumentCarryingAmount14.514.5

ipg:UnsecuredDebt3.50Note


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value5004994994984984974974964960.0
Percentage of DebtInstrumentCarryingAmount12.812.812.815.214.814.013.613.615.20.0

ipg:UnsecuredDebt3.75NoteDuein2021


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4994984984984974974974974964960.0
Percentage of DebtInstrumentCarryingAmount14.612.712.712.715.214.814.013.613.615.20.0

ipg:UnsecuredDebt3.75NoteDuein2023


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value498498498498498498497497497497497
Percentage of DebtInstrumentCarryingAmount14.612.712.712.715.214.814.013.613.615.338.6

ipg:UnsecuredDebt3375Notes


Debt
Period End2021-06-302021-03-31
Value493493
Percentage of DebtInstrumentCarryingAmount14.514.5

ipg:UnsecuredDebt3750NoteDueIn2021


Debt
Period End2021-06-302021-03-312020-12-31
Value499499499
Percentage of DebtInstrumentCarryingAmount14.614.614.6

ipg:UnsecuredDebt3750NoteDueIn2023


Debt
Period End2020-12-31
Value498
Percentage of DebtInstrumentCarryingAmount14.6

ipg:UnsecuredDebt4.00Note


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value249249249248248248248248248248247247247247247247247246246246246248247247247247247
Percentage of DebtInstrumentCarryingAmount7.36.46.46.47.67.47.06.86.87.619.319.219.215.615.615.415.415.415.315.315.30.00.00.015.20.016.7

ipg:UnsecuredDebt4.20Notes


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value4984984984974974974974974974974974964964964964964964964964954954994994994994990.0
Percentage of DebtInstrumentCarryingAmount14.612.712.712.715.214.814.013.613.615.238.738.538.631.331.330.930.930.930.830.830.80.00.00.030.70.00.0

ipg:UnsecuredDebt4.65Notes


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4954954944944944944944944944930.0
Percentage of DebtInstrumentCarryingAmount14.512.612.612.615.114.713.913.513.515.10.0

ipg:UnsecuredDebt4.75Notes


Debt
Period End2020-09-302020-06-302019-12-31
Value6406400.0
Percentage of DebtInstrumentCarryingAmount16.316.40.0

ipg:UnsecuredDebt4000Note


Debt
Period End2020-12-31
Value249
Percentage of DebtInstrumentCarryingAmount7.3

ipg:UnsecuredDebt4200NotesOriginalPrincipal


Debt
Period End2020-12-31
Value498
Percentage of DebtInstrumentCarryingAmount14.6

ipg:UnsecuredDebt4200NotesRemainingPrincipal


Debt
Period End2021-06-302021-03-31
Value249249
Percentage of DebtInstrumentCarryingAmount7.37.3

ipg:UnsecuredDebt4650Notes


Debt
Period End2021-06-302021-03-312020-12-31
Value495495495
Percentage of DebtInstrumentCarryingAmount14.514.514.5

ipg:UnsecuredDebt4750Notes


Debt
Period End2021-06-302021-03-312020-12-31
Value641641640
Percentage of DebtInstrumentCarryingAmount18.818.818.7

ipg:UnsecuredDebt475Notes


Debt
Period End2020-12-31
Value640
Percentage of DebtInstrumentCarryingAmount18.7

ipg:UnsecuredDebt5.40Notes


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4924924924914914914914914914910.0
Percentage of DebtInstrumentCarryingAmount14.412.612.612.615.014.613.813.413.415.10.0

ipg:UnsecuredDebt5400Notes


Debt
Period End2021-06-302021-03-312020-12-31
Value492492492
Percentage of DebtInstrumentCarryingAmount14.414.414.4

us-gaap:NotesPayableOtherPayables


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value454544454444464439403840404846454466656969747577797780848787868683838787636565192120
Percentage of DebtInstrumentCarryingAmount1.31.31.31.21.11.11.41.31.11.11.01.23.23.83.62.92.84.14.14.34.34.64.70.00.00.04.90.00.00.05.80.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentFaceAmount us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFaceAmount

ipg:UnsecuredDebt475Notes


Debt
Period End2020-12-31
Value650
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateEffectivePercentage

ipg:UnsecuredDebt3.50Note


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.893.890.03890.03890.03890.03890.03890.03890.03890.0389
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ipg:UnsecuredDebt3.75NoteDuein2021


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.983.980.03980.03980.03980.03980.03980.03980.03980.0398
Percentage of DebtInstrumentInterestRateEffectivePercentage102.3102.3102.3102.3102.3102.3102.3102.3102.3102.3

ipg:UnsecuredDebt3.75NoteDuein2023


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.324.320.04320.04320.04320.04320.04320.04320.04320.0432
Percentage of DebtInstrumentInterestRateEffectivePercentage111.1111.1111.1111.1111.1111.1111.1111.1111.1111.1

ipg:UnsecuredDebt4.00Note


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value4.134.130.04130.04130.04130.04130.04130.04130.04130.04130.04130.04130.04130.04130.04130.04130.04130.04130.04130.04130.04130.04130.04130.04130.04130.0413
Percentage of DebtInstrumentInterestRateEffectivePercentage106.2106.2106.2106.2106.2106.2106.2106.2106.2106.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ipg:UnsecuredDebt4.20Notes


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value4.244.240.04240.04240.04240.04240.04240.04240.04240.04240.04240.04240.04240.04240.04240.04240.04240.04240.04240.04240.04240.04240.04240.04240.04240.0424
Percentage of DebtInstrumentInterestRateEffectivePercentage109.0109.0109.0109.0109.0109.0109.0109.0109.0109.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ipg:UnsecuredDebt4.65Notes


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.784.780.04780.04780.04780.04780.04780.04780.04780.0478
Percentage of DebtInstrumentInterestRateEffectivePercentage122.9122.9122.9122.9122.9122.9122.9122.9122.9122.9

ipg:UnsecuredDebt4.75Notes


Debt
Period End2020-09-302020-06-302020-03-31
Value4.920.04920.0492
Percentage of DebtInstrumentInterestRateEffectivePercentage126.5126.5126.5

ipg:UnsecuredDebt475Notes


Debt
Period End2020-12-31
Value4.92
Percentage of DebtInstrumentInterestRateEffectivePercentage126.5

ipg:UnsecuredDebt5.40Notes


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value5.485.480.05480.05480.05480.05480.05480.05480.05480.0548
Percentage of DebtInstrumentInterestRateEffectivePercentage140.9140.9140.9140.9140.9140.9140.9140.9140.9140.9

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnamortizedDiscount

ipg:UnsecuredDebt3.75NoteDuein2021


Debt
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value100000.0200000.0200000.0300000.0300000.0300000.0300000.0300000.0
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0100.0100.0100.0100.0

ipg:UnsecuredDebt3.75NoteDuein2023


Debt
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value300000.0400000.0500000.0500000.0600000.0600000.0600000.0700000.0
Percentage of DebtInstrumentUnamortizedDiscount300.0200.0250.0166.7200.0200.0200.0233.3

ipg:UnsecuredDebt4.00Note


Debt
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value400000.0600000.0700000.0800000.0800000.01000000.01000000.01100000.01200000.01200000.01300000.01400000.01500000.01500000.01700000.01700000.01800000.01900000.02000000.02000000.02100000.02200000.02300000.02300000.0
Percentage of DebtInstrumentUnamortizedDiscount400.0300.0350.0266.7266.7333.3333.3366.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ipg:UnsecuredDebt4.20Notes


Debt
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-04-03
Value300000.0400000.0400000.0500000.0500000.0500000.0500000.0600000.0600000.0600000.0700000.0700000.0700000.0700000.0800000.0800000.0800000.0800000.0800000.0800000.0800000.0900000.0900000.0900000.0900000.0
Percentage of DebtInstrumentUnamortizedDiscount300.0200.0200.0166.7166.7166.7166.7200.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ipg:UnsecuredDebt4.65Notes


Debt
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1300000.01500000.01500000.01600000.01600000.01600000.01700000.01700000.0
Percentage of DebtInstrumentUnamortizedDiscount1300.0750.0750.0533.3533.3533.3566.7566.7

ipg:UnsecuredDebt475Notes


Debt
Period End2020-12-31
Value3500000.0
Percentage of DebtInstrumentUnamortizedDiscount3500.0

ipg:UnsecuredDebt475SeniorNotes


Debt
Period End2020-12-31
Value3800000.0
Percentage of DebtInstrumentUnamortizedDiscount3800.0

ipg:UnsecuredDebt5.40Notes


Debt
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2700000.02800000.02700000.02800000.02700000.02800000.02800000.02800000.0
Percentage of DebtInstrumentUnamortizedDiscount2700.01400.01350.0933.3900.0933.3933.3933.3

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet

ipg:UnsecuredDebt3.75NoteDuein2021


Debt
Period End2020-09-302020-06-30
Value100000.0200000.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet100.0100.0

ipg:UnsecuredDebt3750NoteDueIn2021


Debt
Period End2021-06-302021-03-31
Value0100000.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet0.00.0

ipg:UnsecuredDebt4.00Note


Debt
Period End2020-09-302020-06-30
Value400000.0600000.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet400.0300.0

ipg:UnsecuredDebt4200NotesRemainingPrincipal


Debt
Period End2021-06-302021-03-31
Value100000.0200000.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet0.00.0

ipg:UnsecuredDebt4750Notes


Debt
Period End2021-06-302021-03-31
Value3400000.03500000.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet0.00.0

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible us-gaap:Range

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

srt:Maximum


Decrease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value30203010.01902020202030254040
Percentage of DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Minimum


Decrease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2030202018010.010.010.010.020153030
Percentage of DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible66.7150.066.7200.094.750.050.050.050.066.760.075.075.0

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value382377413388375372425394401401422438445457476457461459480485408414464462480473527475486484514483471465489430420420440447451477486503
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent


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
Value18819719696929597929096104
Percentage of DeferredCompensationLiabilityCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsGross us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsGross

ipg:UnsecuredDebt4.75Notes


Deferred
Period End2020-09-30
Value6200000.0
Percentage of DeferredFinanceCostsGross100.0

ipg:UnsecuredDebt475SeniorNotes


Deferred
Period End2020-12-31
Value6200000.0
Percentage of DeferredFinanceCostsGross0.0

us-gaap:DeferredFinanceCostsNet us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsNet

ipg:UnsecuredDebt2400Notes


Deferred
Period End2021-06-302021-03-31
Value4500000.04700000.0
Percentage of DeferredFinanceCostsNet100.0100.0

ipg:UnsecuredDebt3.75NoteDuein2021


Deferred
Period End2020-09-302020-06-30
Value1100000.01300000.0
Percentage of DeferredFinanceCostsNet0.00.0

ipg:UnsecuredDebt3.75NoteDuein2023


Deferred
Period End2020-09-302020-06-30
Value1000000.01100000.0
Percentage of DeferredFinanceCostsNet0.00.0

ipg:UnsecuredDebt3375Notes


Deferred
Period End2021-06-302021-03-31
Value5700000.05800000.0
Percentage of DeferredFinanceCostsNet126.7123.4

ipg:UnsecuredDebt3750NoteDueIn2021


Deferred
Period End2021-06-302021-03-31
Value300000.0500000.0
Percentage of DeferredFinanceCostsNet6.710.6

ipg:UnsecuredDebt4.20Notes


Deferred
Period End2020-09-302020-06-30
Value1500000.01600000.0
Percentage of DeferredFinanceCostsNet0.00.0

ipg:UnsecuredDebt4.65Notes


Deferred
Period End2020-09-302020-06-30
Value3600000.03700000.0
Percentage of DeferredFinanceCostsNet0.00.0

ipg:UnsecuredDebt4.75Notes


Deferred
Period End2020-09-302020-06-30
Value5800000.06000000.0
Percentage of DeferredFinanceCostsNet0.00.0

ipg:UnsecuredDebt4650Notes


Deferred
Period End2021-06-302021-03-31
Value3200000.03400000.0
Percentage of DeferredFinanceCostsNet71.172.3

ipg:UnsecuredDebt4750Notes


Deferred
Period End2021-06-302021-03-31
Value5400000.05500000.0
Percentage of DeferredFinanceCostsNet120.0117.0

ipg:UnsecuredDebt5.40Notes


Deferred
Period End2020-09-302020-06-30
Value5200000.05300000.0
Percentage of DeferredFinanceCostsNet0.00.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value296295302291287270252
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAndOtherLiabilitiesNoncurrent

us-gaap:DeferredTaxAndOtherLiabilitiesNoncurrent


Deferred
Period End2020-12-312019-12-31
Value740761
Percentage of DeferredTaxAndOtherLiabilitiesNoncurrent100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value10141531.4230.1409094240283366
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsNetNoncurrent

us-gaap:DeferredTaxAssetsNetNoncurrent


Deferred
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value302252279297285247270261273236270260243220298274277228203204193192160171162144171178182160182203254214309373398334398
Percentage of DeferredTaxAssetsNetNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


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
Value8344384444595960889255
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


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
Value343297345357354354404443449478621
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits


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
Value1616171923252732404234
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions


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
Value2723222736254131271423
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


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
Value106999991192193191187192205192
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts


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
Value196.57.410131010109.28.110
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves


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
Value2319211817293439515542
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


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
Value340321302281405408412402364330263
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-312018-12-31
Value350-361.40.0
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.00.0

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value7300000.06700000.06300000.01700000.02900000.02300000.00
Percentage of DeferredTaxLiabilitiesPrepaidExpenses100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value867571528067384.1-26.9-81.8-83.0
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesTaxDeferredIncome

us-gaap:DeferredTaxLiabilitiesTaxDeferredIncome


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value11212638320.0
Percentage of DeferredTaxLiabilitiesTaxDeferredIncome100.0100.0100.0100.0100.0