IQV


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

Table of contents



us-gaap:CommonStockSharesIssued
us-gaap:ConsolidatedEntities

us-gaap:CommonStockSharesOutstanding
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization
us-gaap:StatementBusinessSegments

us-gaap:GainsLossesOnExtinguishmentOfDebt

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:OperatingIncomeLoss

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

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

us-gaap:Revenues

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

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent
us-gaap:ConsolidatedEntities

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:MarketableSecuritiesCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:ReceivablesNetCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:BusinessAcquisition
us-gaap:StatementBusinessSegments
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent
us-gaap:DebtInstrument
us-gaap:LongTermDebt

us-gaap:LongTermDebtNoncurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:RetirementPlanType

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

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:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStocksIncludingAdditionalPaidInCapital
us-gaap:ConsolidatedEntities

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

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

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

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:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits
us-gaap:TaxCreditCarryforward

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:Currency, us-gaap:CreditFacility, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:VariableRate
iqv:AverageFloatingRate
us-gaap:Currency, us-gaap:CreditFacility, us-gaap:VariableRate
us-gaap:Currency, us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:VariableRate
us-gaap:DebtInstrument
iqv:BankGuarantees

iqv:ContractWithCustomerIncreaseDecreaseInNetContractAssetLiabilities

iqv:ContractWithCustomerIncreaseDecreaseInUnbilledContractsReceivable
us-gaap:FairValueByLiabilityClass
iqv:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityBusinessCombinations
us-gaap:FairValueByLiabilityClass
iqv:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityContingentConsiderationPaid
us-gaap:FairValueByLiabilityClass
iqv:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarningsAndForeignCurrencyTranslationAdjustments
us-gaap:IncomeStatementLocation
iqv:FinanceLeaseCosts

iqv:IncomeLossFromContinuingOperationsAfterIncomeTaxesAndBeforeEquityInEarningsOfUnconsolidatedAffiliates

iqv:IncreaseDecreaseInAccountsReceivableUnbilledServicesAndUnearnedIncome

iqv:PaymentsForStockOptionsExercised

iqv:PaymentsToAcquireEquityMethodInvestmentsAndProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

iqv:PaymentsToAcquireInvestmentsExcludingMarketableSecurities

us-gaap:AmortizationOfFinancingCostsAndDiscounts
us-gaap:StatementScenario, us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:ConsolidatedEntities
us-gaap:CashDividendsPaidToParentCompany

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount

us-gaap:GainLossOnSaleOfInvestments

us-gaap:GoodwillAcquiredDuringPeriod
us-gaap:StatementBusinessSegments

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncomeTaxReconciliationChangeInEnactedTaxRate

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:InvestmentIncomeInterest

us-gaap:LeaseCost

us-gaap:MinorityInterestDecreaseFromRedemptions
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent
us-gaap:IncomeStatementLocation
us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
us-gaap:DerivativeInstrumentRisk

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForRestructuring
us-gaap:RestructuringCostAndReserve

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDistributionsToAffiliates

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:RepaymentsOfDebtAndCapitalLeaseObligations

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RestructuringCharges

us-gaap:RestructuringReserveAccrualAdjustment1
us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringReserveTranslationAndOtherAdjustment
us-gaap:RestructuringCostAndReserve

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:ShareRepurchaseProgram, us-gaap:SubsidiarySaleOfStock
us-gaap:StatementEquityComponents

dei:EntityNumberOfEmployees
us-gaap:ConsolidatedEntities
iqv:AccountsPayableToSubsidiaries

iqv:AccruedPassThroughExpenses
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType, us-gaap:StatementEquityComponents
iqv:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTaxAttributableToParent
us-gaap:BusinessAcquisition
iqv:BusinessCombinationContingentConsiderationLiabilityAndDeferredPurchasePayments

iqv:ContingentConsiderationAndDeferredPurchasePriceCurrent

iqv:ContractWithCustomerNetContractAssetLiabilities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
iqv:CostAndEquityMethodInvestmentFairValueDisclosure

iqv:DeferredTaxAssetsAccruedExpenses

iqv:DeferredTaxAssetsForeignExchangeOnDebtInstrument

iqv:DeferredTaxAssetsLeaseLiability

iqv:DeferredTaxAssetsUSInterestExpenseLimitation

iqv:DeferredTaxLiabilitiesDepreciationAndAmortization

iqv:DeferredTaxLiabilityLeaseRightOfUseAsset
us-gaap:RetirementPlanSponsorLocation
iqv:DefinedBenefitPlanAssetsNetAssetValue
us-gaap:RetirementPlanType
iqv:DefinedBenefitPlanExpectedFutureBenefitPayments
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanSponsorLocation
iqv:DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanSponsorLocation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanSponsorLocation
us-gaap:RetirementPlanSponsorLocation

iqv:DepositsAndOtherAssetsNoncurrent

iqv:FinanceLeaseLiabilityPaymentsDueAfterYearSix

iqv:FinanceLeaseLiabilityPaymentsDueYearSix

iqv:ImpactOfAdoptingGlobalIntangibleLowTaxedIncome
us-gaap:ConsolidatedEntities
iqv:InvestmentInSubsidiaries
us-gaap:ConsolidatedEntities
iqv:InvestmentsInAndAdvanceToAffiliatesAndSubsidiaries

iqv:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearSix

iqv:LesseeOperatingLeaseLiabilityPaymentsDueYearSix
us-gaap:CreditFacility, us-gaap:DebtInstrument
iqv:LineOfCreditFacilityAdditionalBorrowingCapacity

iqv:LongTermInvestmentsExcludingEquityMethodInvestments

iqv:OtherAssetsCurrentAndReceivables
iqv:UnBilledServiceType
iqv:PercentageOfReceivables

iqv:PropertyEquipmentAndSoftwareNet
us-gaap:StatementGeographical
us-gaap:AwardType
iqv:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue
us-gaap:AwardType
iqv:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageGrantPrice

iqv:TradeAccountsReceivableAndUnbilledServicesNet

us-gaap:AccountsPayableAndOtherAccruedLiabilitiesCurrent

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AociTaxAttributableToParent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:BilledContractReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
us-gaap:ConsolidatedEntities

us-gaap:DebtInstrumentCarryingAmount
us-gaap:Currency, us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType
us-gaap:Currency, us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:VariableRate
us-gaap:DebtInstrument
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DebtInstrumentFairValue

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxLiabilitiesOther
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
us-gaap:RetirementPlanSponsorLocation, 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:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:RetirementPlanSponsorLocation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeLiabilities
us-gaap:FairValueByMeasurementFrequency

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisObligations
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByLiabilityClass
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

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:ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:GoodwillFairValueDisclosure

us-gaap:IncomeTaxesReceivable

us-gaap:InterestPayableCurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:DebtInstrument
us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
us-gaap:DerivativeInstrumentRisk
us-gaap:LongTermDebtPercentageBearingFixedInterestRate
us-gaap:DerivativeInstrumentRisk
us-gaap:LongTermDebtPercentageBearingVariableInterestRate
dei:LegalEntity, us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners
us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByParent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent

us-gaap:PrepaidExpenseCurrent

us-gaap:RestructuringReserve
us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringReserveCurrent

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligationPercentage
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange
us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange
us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
us-gaap:ShareRepurchaseProgram
us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:TranslationAdjustmentForNetInvestmentHedgeNetOfTax

us-gaap:TreasuryStockCommonShares
us-gaap:ConsolidatedEntities

us-gaap:TreasuryStockCommonValue
us-gaap:ConsolidatedEntities

us-gaap:UnbilledContractsReceivable

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Other Nonoperating Income Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Marketable Securities Current
NonCurrent Assets
Deferred Income Tax Assets Net
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Accrued Income Taxes Current
Noncurrent Liabilities
Deferred Income Tax Liabilities Net
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
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 Outstanding
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:CommonStockSharesIssued ▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇█▇▇▇▁▁▁▁▁▁▁▁▂▁▂▂▂▂▁▁255.6255.4254.7254.5254.1253.8253.0252.8252.6252.2251.5251.2250.4250.0249.5276.5248.3249.5248.3119.395118.469119.629119.378123.078122.644124.95124.129127.696127.117130.049129.652128.929128.921115.79115.764NANANA
us-gaap:CommonStockSharesOutstanding ▄▄▂▅▃▁█191.6191.6191.2191.7191.3191.0192.3NANANA197.5NANANANANANA249.5248.3119.395118.469119.629119.377731123.078134122.644124.95124.129127.696127.117130.049129.652128.929128.921115.79115.764NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▄▄194.9194.9NA194.9190.9195.7NA199.0200.6201.7NA206.8209.9212.0NA219.0222.3234.9NA121.156121.519121.438NA125.339126.536127.454NA130.626132.042133.04NA133.267126.578118.74NA117.835117.706117.551
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁191.6191.5NA191.3190.9191.6NA194.5196.2197.0NA202.3205.7207.5NA214.3217.6230.1NA118.919119.464119.448NA122.848123.834124.504NA127.462128.979129.898NA128.923122.709115.769NA115.691115.67115.808
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▄▄1.01.0NA2.26.22.4NA1.72.41.9NA1.42.61.8NA1.12.41.6NA0.9161.7791.383NA1.0031.1821.043NA1.3241.5980.766NA2.0571.2171.631NANANANA
us-gaap:EarningsPerShareBasic ▂▃▂▂▁▂▁▂▂▂▂▂▂▂█▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂0.911.110.620.53-0.120.430.090.290.310.290.340.30.30.335.140.390.350.320.740.830.730.890.860.910.690.690.70.730.660.690.570.520.310.420.30.450.410.37
us-gaap:EarningsPerShareDiluted ▂▃▂▂▁▂▁▂▂▂▂▂▂▂█▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂0.91.090.610.52-0.120.420.090.290.30.290.340.290.290.325.020.380.340.310.740.820.710.880.850.890.670.680.690.710.640.680.550.50.30.410.30.440.40.37
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
 Gross Margin us-gaap:StatementBusinessSegments iqv:ContractSalesAndMedicalSolutions█▁194.0193.0NA179.0177.0196.0NA208.0203.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:StatementBusinessSegments iqv:ResearchAndDevelopmentSolutions█▁1891.01868.0NA1400.01235.01441.0NA1466.01435.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:StatementBusinessSegments iqv:TechnologyAndAnalyticsSolutions█▁1353.01348.0NA1207.01109.01117.0NA1095.01102.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
 TTM Greenblatt ROC _ _▇█▇▄▁▄▄▅▄▅▅▄▄▄▅▄▃▄▃▄▃▄▄▄▃▃▃▃▃▃▃▃▂▂▂286.0342.0289.0187.062.0193.0166.0204.0197.0210.0207.0181.0170.0183.0203.0197.0151.0168.0144.0167.77150.743178.796177.983167.023158.389143.217158.932149.142141.0141.316127.012125.25994.897115.16594.427NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▄▄▄▄▃▃▄▃▄▃▄▃▂▄█▄▄▄▁▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▄▃▄234.041.0231.0228.018.0-92.082.0-105.0107.020.065.0-56.0-297.0274.01201.0237.0287.0200.0-606.98497.28553.423112.27688.66584.667105.06256.53656.3863.36587.75790.16676.44580.88828.5632.07625.67757.94536.67141.188
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▃▅█▇▃▅▆▆▆▆▅▅▃▆▆▆▅▃▂▃▃▃▃▁▃▃▃▃▃▃▃▃▃▃▃▃▃▃0.05.015.011.01.05.09.09.010.010.07.05.02.08.010.08.07.02.0-2.6951.92-0.5580.3331.568-5.013-0.0010.030.0220.087-0.0090.021-0.067-0.175-0.158-0.151-0.143-0.134-0.191-0.421
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▄▄▄▄▃▃▄▃▄▃▄▃▂▄█▄▄▄▁▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▄▃▄234.046.0246.0239.019.0-87.091.0-96.0117.030.072.0-51.0-295.0282.01211.0245.0294.0201.0-609.67999.20552.865112.60990.23379.654105.06156.56656.40263.45287.74890.18776.51281.06328.71832.22725.8258.07936.86241.609
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization ██▆▂▁▃▃▃▂▂▂▁2323.02293.02172.01800.01704.01824.01901.01852.01799.01748.01742.01678.0NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt █▁██▄0.0-24.0-1.00.0-12.0NA0.0-24.00.0NA0.00.0-2.0NA2.0-18.00.0-3.0NANANANA0.00.0-7.78NANANANANA-3.2880.0-16.543-15.5NANANANA
us-gaap:GrossProfit ▁█715.0731.0NA600.0449.0547.0NA563.0562.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▇█▆▄▁▄▄▃▄▄▄▃▄▄▄▄▃▄▃▅▅▅▆▅▄▅▅▅▄▅▄▄▃▄▃▃▃▃222.0257.0194.0102.0-25.0102.096.069.078.0109.0104.051.088.085.089.085.068.089.055.838142.304131.897148.961158.796143.669114.922121.608132.868132.47114.139122.712100.04294.39846.71981.95755.08572.62174.23665.486
us-gaap:IncomeTaxExpenseBenefit ▇▇▇▇▇▇▇▇▇▇▇▇▇▇▁▇▇▇█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇48.044.063.0-3.0-5.017.068.0-1.08.041.030.0-14.024.019.0-992.0-3.0-7.012.0227.08838.52536.8142.57751.00940.19231.736.08839.00741.2632.437.38927.55827.4598.8332.11820.01321.54227.55824.251
us-gaap:InterestExpense ███████████████▇▇▇▇▆▆▆▆▆▆▆▁▆▆▆▆▆▆▆▆▆▆▆94.099.0102.0100.0108.0106.0109.0114.0114.0110.0106.0105.0107.096.097.093.081.075.071.05324.50522.48325.95925.53625.42925.48725.34-175.14125.0524.79924.70326.82628.75631.88436.04238.38333.51333.1329.345
us-gaap:NetIncomeLoss ▃▃▃▃▂▂▂▂▂▂▂▂▂▂█▂▂▂▁▃▂▃▃▃▂▂▂▃▂▂▂▂▂▂▂▂▂▂175.0212.0119.0101.0-23.082.016.057.060.058.069.060.061.069.01076.084.075.074.0-178.099.16786.759106.668104.57111.28684.95186.39888.42692.65485.1290.18372.99666.76938.51748.30934.97452.09847.20143.273
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▂▅█▆▃▇▄██▇▆▆▆▄▆▅▄▃▄▅▄▃▄▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂0.05.011.07.02.09.04.012.011.09.07.07.07.04.08.05.04.02.03.04.8074.5392.3583.517-2.447-0.0040.0330.0180.079-0.010.031-0.062-0.185-0.164-0.153-0.138-0.123-0.189-0.465
us-gaap:OperatingIncomeLoss ▇█▇▄▁▄▄▅▄▅▅▄▄▄▅▄▃▄▃▄▃▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂286.0342.0289.0187.062.0193.0166.0204.0197.0210.0207.0181.0170.0183.0203.0197.0151.0168.0144.0167.77150.743178.796177.983167.023158.389143.217158.932149.142141.0141.316127.012125.25994.897115.16594.427109.136100.88591.987
us-gaap:OtherNonoperatingIncomeExpense ▆█▁▃▇▃29.037.06.014.032.013.0NANA-7.07.00.0-27.026.0-4.0-21.0-3.0-3.0-3.011.37-1.6672.803-4.5065.5020.934-11.6592.861-0.5867.776-3.0564.8441.563-3.224-0.5362.382-1.156-3.856.1592.419
us-gaap:ProfitLoss ▃▃▃▃▂▂▂▂▂▂▂▂▂▂█▂▂▂▁▃▂▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂175.0217.0130.0108.0-21.091.020.069.071.067.076.067.068.073.01084.089.079.076.0-175.0103.97491.298109.026108.087108.83984.94786.43188.44492.73385.1190.21472.93466.58438.35348.15634.83651.97547.01242.808
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ███▆▅▆▆▆▆▆▆▆▆▆▅▅▅▅▄▃▃▃▂▂▂▂▁▂▂▂▁▂▂▂▁▂▂▂3438.03409.03298.02786.02521.02754.02895.02769.02740.02684.02688.02594.02567.02563.02521.02466.02355.02360.01953.01497.1731552.6731490.0851128.5991424.7691443.5271347.5931064.0451400.0341341.031307.8461003.941195.8391295.681228.841945.7611199.5741230.7671156.584
us-gaap:Revenues ███▆▅▆▆▆▆▆▆▆▆▆▅▅▅▅▄▃▃▃▂▂▂▂▁▂▂▂▁▂▂▂▁▂▂▂3438.03409.03298.02786.02521.02754.02895.02769.02740.02684.02688.02594.02567.02563.02521.02465.02375.02322.01953.01497.1731552.6731490.0851128.5991424.7691443.5271347.5931064.0451400.0341341.031307.8461003.941195.8391295.681228.841945.7611199.5741230.7671156.584
us-gaap:SellingGeneralAndAdministrativeExpense █▇█▇▇▆█▆▇▆▇▇▆▆▇▆▅▅▄▂▂▂▂▂▂▂▂▂▂▂▂▁▂▁▂▁▁▁482.0442.0491.0460.0431.0407.0484.0395.0436.0419.0443.0429.0424.0420.0464.0391.0370.0380.0310.213233.645250.568225.516244.066231.415225.898219.606225.055219.027219.014219.242232.797199.573228.838199.302215.636192.78203.544205.795
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:Assets ███████▇██▇▇▇█▇▇▇▇▇▂▁▁▁▂▁▁▁▁▁▁▁▁▁▁▁23937.024467.024564.023837.023183.023078.023251.022892.023068.023109.022549.022498.022626.023235.022742.022445.021782.021183.021208.04128.8023962.7983982.9393926.3164033.7363341.7843236.6513305.8323106.7152978.6373061.8923066.7972842.0212648.1672426.7052499.153NANANA
us-gaap:Liabilities ██████▇▇▇▇▇▆▆▆▆▆▆▆▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁18177.018230.018284.017730.017331.017276.016988.016498.016287.016244.015595.015038.015012.014782.014384.014938.014008.013383.012348.04210.7294191.4994188.884261.9974213.6624043.4623848.9584009.8443642.9473600.2473621.4173734.2823553.9933446.0553749.03858.197NANANA
us-gaap:LiabilitiesAndStockholdersEquity ███████▇██▇▇▇█▇▇▇▇▇▂▁▁▁▂▁▁▁▁▁▁▁▁▁▁▁23937.024467.024564.023837.023183.023078.023251.022892.023068.023109.022549.022498.022626.023235.022742.022445.021782.021183.021208.04128.8023962.7983982.9393926.3164033.7363341.7843236.6513305.8323106.7152978.6373061.8923066.7972842.0212648.1672426.7052499.153NANANA
us-gaap:StockholdersEquity ▆▆▆▆▆▆▆▆▇▇▇▇▇██▇▇▇█▂▂▂▂▂▁▂▁▂▂▂▁▁▁▁▁5760.05953.06001.05846.05591.05542.06003.06131.06523.06615.06714.07215.07364.08196.08109.07264.07539.07571.08633.0-313.432-458.286-434.81-564.217-406.021-701.756-612.387-704.061-536.259-621.549-559.474-667.413-711.967-798.058-1322.623-1359.523NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:AssetsCurrent ▇█▇▆▆▆▆▅▅▅▅▅▅▅▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁5068.05579.05090.04645.04208.04277.04126.03995.03978.03999.03874.03696.03587.03724.03450.03492.03259.03117.03337.02643.1322436.5982437.1562411.9852520.1792219.8422098.8232146.0831938.6031864.7071947.821945.6881717.1861673.861439.4971509.994NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▆█▆▅▃▃▂▃▃▃▃▂▃▃▃▃▃▃▄▄▃▃▃▃▂▂▃▂▂▂▂▂▂▁▁▁▁▁1807.02305.01814.01464.01109.0927.0837.0863.0938.0936.0891.0827.0879.0960.0959.01103.0902.0862.01198.01209.677955.6841053.212977.1511081.804803.615779.068867.358645.034636.468741.381778.143609.71585.722454.293567.728506.31476.242446.274
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▆█▆▄▂▁▁▁▁1807.02305.01814.01464.01109.0927.0837.0863.0938.0NA891.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MarketableSecuritiesCurrent █▇▆▅▄▃▃▂▂▂▁104.097.088.079.073.063.062.057.056.055.047.0NANANA46.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ReceivablesNetCurrent ▇▇▇▇▇███▇▇▇▇▆▇▆▅▅▅▅▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁2276.02361.02410.02414.02371.02634.02582.02514.02401.02461.02394.02298.02172.02250.01993.01859.01845.01779.01707.01207.5031257.4271175.5971165.7491128.8991089.4391006.425975.2551032.553964.346948.453924.205895.345867.211779.342745.373NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:PropertyPlantAndEquipmentGross NANA1155.0NANANA1055.0NANANA1001.0NANANA923.0NANANA769.0NANANA510.712NANANA496.225NANANA481.126NANANA451.465NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:EquipmentNANA657.0NANANA570.0NANANA521.0NANANA446.0NANANA338.0NANANA257.119NANANA240.227NANANA222.858NANANA197.384NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA76.0NANANA81.0NANANA82.0NANANA81.0NANANA72.0NANANA52.84NANANA54.615NANANA55.741NANANA52.498NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandBuildingsAndImprovementsNANA351.0NANANA331.0NANANA326.0NANANA324.0NANANA333.0NANANA187.405NANANA185.94NANANA184.726NANANA182.548NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:TransportationEquipmentNANA71.0NANANA73.0NANANA72.0NANANA72.0NANANA26.0NANANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA673.0NANANA597.0NANANA567.0NANANA483.0NANANA363.0NANANA322.319NANANA305.928NANANA281.548NANANA257.466NANANA
us-gaap:PropertyPlantAndEquipmentNet ███▇▇▇▇▇▇▇▇▇▆▇▇▇▇▆▆▁▁▁▁▁▁▁▁▁▁▁▂▁▁▁▁470.0472.0482.0452.0444.0445.0458.0451.0458.0437.0434.0417.0415.0432.0440.0428.0430.0410.0406.0184.189189.63189.011188.393194.744176.773179.49190.297190.863196.382195.852199.578197.393196.749190.166193.999NANANA
us-gaap:Goodwill ███████████████▇▇▇▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁12551.012415.012654.012363.012133.011989.012159.011919.011937.011857.011800.011794.011844.012041.011850.011598.011258.010915.010727.0691.441716.64719.651719.74724.014463.61462.991464.434468.62410.333409.519409.626412.459295.26297.569302.429NANANA
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass us-gaap:TradeNamesNANA18.0NANANA18.0NANANA18.0NANANA18.0NANANA127.0NANANA128.247NANANA109.676NANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▆▆▆▆▇▇▇▇▇▇▇▇███████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁4770.04915.05205.05222.05262.05328.05514.05546.05701.05811.05951.06103.06297.06580.06591.06567.06493.06398.06390.0346.816352.755362.26368.106374.419263.217270.535280.243288.266282.499289.094298.054310.191271.733274.003272.813NANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA5187.0NANANA5496.0NANANA5933.0NANANA6573.0NANANA6263.0NANANA239.859NANANA170.567NANANA188.378NANANA163.137NANANA
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 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:ComputerSoftwareIntangibleAssetNANA1194.0NANANA955.0NANANA736.0NANANA545.0NANANA372.0NANANA82.777NANANA89.581NANANA92.907NANANA90.024NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:DatabasesNANA301.0NANANA651.0NANANA1005.0NANANA1408.0NANANA1655.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:NoncompeteAgreementsNANA10.0NANANA14.0NANANA17.0NANANA21.0NANANA9.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:TrademarksAndTradeNamesNANA332.0NANANA370.0NANANA418.0NANANA469.0NANANA369.0NANANANANANANA12.172NANANA14.603NANANA11.393NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▁▂▅▇█▇▇430.0437.0471.0490.0502.0489.0496.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:AccruedIncomeTaxesCurrent ▆█▆▆▆▆▆▇▇▆▆▇▇▆▄▄▅▅▅▁▂▂▂▂▂▃▄▂▂▃▂▂▂▁▁101.0135.0102.0101.0102.094.0108.0123.0111.0102.0100.0117.0121.0106.072.060.073.075.076.015.95330.35329.54135.17325.97432.66236.86655.69419.21932.81246.69735.77825.85427.60417.0579.639NANANA
us-gaap:AccruedLiabilitiesCurrent NANA2232.0NANANA1937.0NANANA1858.0NANANA1664.0NANANA1493.0NANANA760.757NANANA733.644NANANA761.189NANANA658.119NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ██▄▄▂▂▂▁▁▁▂1597.01554.01252.01188.01061.01036.01014.0954.0934.0971.01007.0NANANA985.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ██▇▇▆▆▆▆▅▅▅▅▅▅▄▄▄▄▄▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁4819.04868.04558.04139.03843.03907.03945.03576.03495.03502.03534.03380.03166.03199.02904.02853.02660.02596.02705.01619.9481600.2881578.1381594.1761523.9751353.8081320.6971471.91426.781353.061376.4761482.2471334.3831238.7271221.9881317.964NANANA
us-gaap:LongTermDebtCurrent █▇█▇▇▇▂▂▂▂▂▂▂▃▂▂▁▁▁147.0144.0149.0144.0142.0139.0100.098.0100.0100.0100.0101.0101.0104.0103.0103.094.091.092.0NANANA48.548.548.5NA0.75NANANA10.307NANANA55.594NANANA
us-gaap:OperatingLeaseLiabilityCurrent NANA156.0154.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent NANA272.0NANANA235.0NANANA220.0NANANA179.0NANANA168.0NANANA70.254NANANA68.507NANANA77.751NANANA76.336NANANA
us-gaap:OtherLiabilitiesCurrent ▇▇████▇▇▇▇▂▁▁▁▁▁▁▁▁▂▂▂▁▁▁▂▂▂▂▂▂▂▂▂▂218.0216.0242.0245.0243.0254.0211.0211.0211.0207.032.016.07.010.010.014.014.012.020.027.32147.53928.83719.60319.46411.75227.33629.68830.49231.80833.89835.64634.842.8344.63444.23NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
 us-gaap:LongTermDebt us-gaap:DebtInstrument iqv:ForeignCurrencyDenominatedDebtNANA5323.0NANANA5273.0NANANA4590.04599.04608.04028.04036.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LongTermDebtNoncurrent ████▇▇▇▇▇▆▆▆▆▅▅▄▃▃▁12140.012092.012384.012195.011965.011894.011545.011444.011299.011187.010907.010518.010627.010342.010122.09651.08858.08254.07108.0NANANA2419.2752429.9972440.959NA2292.477NANANA2035.481NANANA2366.104NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▁▂▂▄▆█▆266.0337.0338.0429.0539.0618.0527.0NANANA627.0NANANA820.0NANANA2044.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation,us-gaap:RetirementPlanType country:US,us-gaap:PensionPlansDefinedBenefitNANA47.0NANANA42.0NANANA38.0NANANA42.0NANANA40.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation,us-gaap:RetirementPlanType us-gaap:ForeignPlan,us-gaap:PensionPlansDefinedBenefitNANA210.0NANANA171.0NANANA153.0NANANA175.0NANANA164.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType us-gaap:OtherPensionPlansDefinedBenefitNANA1.0NANANA1.0NANANA1.0NANANA2.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest NA284.0279.0261.0261.0260.0260.0263.0258.0250.0240.0245.0250.0257.0249.0243.0235.0229.0227.0231.505229.585228.869228.536226.0950.0780.080.0490.027-0.061-0.051-0.072-0.0050.170.3280.4790.0420.1760.367
 us-gaap:MinorityInterest dei:LegalEntity,us-gaap:Ownership iqv:QuestDiagnosticsIncorporated,iqv:Q2SolutionsNANA279.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent █▇█▇▇▆▅▅▅▅▅▅▅▅▅▅▅▄▅▂▁▁▁▁▂▁▁▁▁▁▁▁▁▁▁607.0586.0633.0580.0582.0491.0456.0431.0424.0412.0418.0406.0406.0413.0440.0420.0421.0393.0402.0190.565180.69187.338182.826170.097190.757181.085183.656167.994186.379178.129178.908160.975153.824156.249162.349NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▁▁▄▆█▄▇▇██345.0347.0371.0387.0402.0366.0396.0393.0398.0401.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA132.0153.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA104.0128.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA73.0100.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA58.070.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA52.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:StockholdersEquity ▆▆▆▆▆▆▆▆▇▇▇▇▇██▇▇▇█▂▂▂▂▂▁▂▁▂▂▂▁▁▁▁▁5760.05953.06001.05846.05591.05542.06003.06131.06523.06615.06714.07215.07364.08196.08109.07264.07539.07571.08633.0-313.432-458.286-434.81-564.217-406.021-701.756-612.387-704.061-536.259-621.549-559.474-667.413-711.967-798.058-1322.623-1359.523NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▆▆▆▆▆▆▆▆▇▇▇▇▇██▇▇▇█▂▂▂▂▂▁▂▁▂▂▂▁▁▁▁▁5760.06237.06280.06107.05852.05802.06263.06394.06781.06865.06954.07460.07614.08453.08358.07507.07774.07800.08860.0-81.927-228.701-205.941-335.681-179.926-701.678-612.307-704.012-536.232-621.61-559.525-667.485-711.972-797.888-1322.295-1359.044NANANA
us-gaap:CommonStocksIncludingAdditionalPaidInCapital ███████████████████▁▁▁▁▁▁▁▁10696.011068.011095.011070.011043.011012.011049.010990.010964.010927.010901.010876.010836.010797.010782.010761.010721.010656.010602.048.7621.19325.9158.784239.58828.52178.966143.828NANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇▆▆▆▆▆▆▆▆▆▄▄▃▃▄▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁1664.01489.01277.01158.01057.01080.0998.0982.0925.0865.0807.0726.0665.0605.0655.0-166.0-255.0-325.0-399.0-221.218-320.385-354.967-461.635-550.148-661.434-702.4-788.798-877.224-969.878-1054.998-1145.181-1218.177-1284.946-1323.463-1371.772NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▃▄▃▂▂▃▃▄▄▄▄▅█▆▅▄▂▁▅▅▅▅▅▅▅▅▆▆▆▆▆▆▆▆▆-327.0-376.0-205.0-317.0-444.0-485.0-311.0-377.0-215.0-262.0-224.0-220.0-104.0254.046.0-79.0-233.0-444.0-570.0-140.976-139.094-105.758-111.366-95.461-68.842-88.953-59.091-27.0452.244-0.393-0.376-3.892-18.186-8.3877.69516.849NANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities srt:ParentCompanyNANA-205.0NANANA-311.0NANANA-224.0NANANA49.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest NA284.0279.0261.0261.0260.0260.0263.0258.0250.0240.0245.0250.0257.0249.0243.0235.0229.0227.0231.505229.585228.869228.536226.0950.0780.080.0490.027-0.061-0.051-0.072-0.0050.170.3280.4790.0420.1760.367
 us-gaap:MinorityInterest dei:LegalEntity,us-gaap:Ownership iqv:QuestDiagnosticsIncorporated,iqv:Q2SolutionsNANA279.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues █▁1.0-57.0NA-3.01.0-44.0NA-4.08.05.0NA15.013.0-5.0NANANANANANANANA5.98NANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁42.030.0NA30.030.07.0NA30.029.021.0NA25.025.020.0NANANANANANANANA8.294NANANANANANANANANANANANANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders NANANA11.0NA5.0NA4.02.0NA2.010.019.0NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterestNANANA11.0NA5.0NA4.02.0NANA10.019.0NANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅█▇▅▄▁▅▃▄▁▄▃▃▂▂▄539.0867.0750.0574.0472.0163.0583.0330.0391.0113.0417.0344.0311.0182.0233.0436.0NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▇▅▆▆▇▄▁▆▃▇▇▃█▁▃-185.0-176.0-236.0-191.0-219.0-150.0-280.0-400.0-195.0-315.0-178.0-182.0-330.0-120.0-416.0-334.0NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▅▅▆▆▇▄▇▅█▆▅▆▆▇▇-863.0-168.0-198.0-53.0-73.0107.0-343.039.0-200.0228.0-158.0-201.0-52.0-41.045.093.0NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁█▇▇▆▅▄▄▅▅▅-498.0491.0350.0355.0182.090.0-26.0-75.02.045.064.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▇▇▇▇▇▇▇▇▇▇▇▇▇▇▁█▆▇█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇-4.0-39.0-16.0-58.0-62.0-40.0-3.0-88.0-54.0-12.06.0-69.0-88.0-26.0-1077.064.0-139.0-64.0139.225-1.579-7.3644.718-4.90123.6270.509-0.8845.361-10.3560.414-1.587-8.353-3.842-23.20511.16414.07-5.364.0493.836
us-gaap:DepreciationDepletionAndAmortization ███▇▇▇▇▇▇▇▇▇▇▇▇▆▆▆▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁343.0323.0344.0319.0308.0316.0314.0299.0294.0295.0294.0283.0282.0282.0278.0256.0245.0232.0190.63234.60332.04131.72434.51832.88430.01130.32931.930.1829.84529.08830.55427.32424.98624.6425.57125.72723.71923.271
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet █▁154.012.0NA-53.065.0125.0NA-128.0-22.0188.0NA-136.035.0-13.0NA-29.0-7.0187.0NA-22.394-15.54268.776NA-107.057-54.988118.016NA-78.4641.61787.77NA-25.754-56.12374.303NA-37.738-34.96164.351
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅█▇▅▄▁▅▃▄▁▄▃▃▂▂▄539.0867.0750.0574.0472.0163.0583.0330.0391.0113.0417.0344.0311.0182.0233.0436.0NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▃▃▃▃▂▂▂▂▂▂▂▂▂▂█▂▂▂▁▃▂▃▃▃▂▂▂▃▂▂▂▂▂▂▂▂▂▂175.0212.0119.0101.0-23.082.016.057.060.058.069.060.061.069.01076.084.075.074.0-178.099.16786.759106.668104.57111.28684.95186.39888.42692.65485.1290.18372.99666.76938.51748.30934.97452.09847.20143.273
us-gaap:ProfitLoss ▃▃▃▃▂▂▂▂▂▂▂▂▂▂█▂▂▂▁▃▂▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂175.0217.0130.0108.0-21.091.020.069.071.067.076.067.068.073.01084.089.079.076.0-175.0103.97491.298109.026108.087108.83984.94786.43188.44492.73385.1190.21472.93466.58438.35348.15634.83651.97547.01242.808
us-gaap:ShareBasedCompensation ▇▅▄▅▅▁█▄▅▄▅▅▄▃▄▄▄▄▆▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▂48.032.026.033.036.00.059.027.034.026.035.031.026.021.024.029.027.026.045.64315.610.18.699.0568.410.79.5747.6136.88.47.2215.8665.8696.6174.47312.1973.263.0837.386
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▇▅▆▆▇▄▁▆▃▇▇▃█▁▃-185.0-176.0-236.0-191.0-219.0-150.0-280.0-400.0-195.0-315.0-178.0-182.0-330.0-120.0-416.0-334.0NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsToAcquireProductiveAssets ▇▇█▇▇▇▆▇▇▇▆▆▅▄▅▄▅▄▄▁▂▂▁▂▁▁▂▁▁▁▁▁▂▂▁▁▁▁145.0149.0176.0157.0142.0141.0137.0149.0155.0141.0138.0123.0110.088.0102.089.0100.078.085.92420.70331.17426.19921.69924.76815.49216.43224.86821.9518.12617.70614.40713.66332.81731.45921.98315.42522.78211.146
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▅▅▆▆▇▄▇▅█▆▅▆▆▇▇-863.0-168.0-198.0-53.0-73.0107.0-343.039.0-200.0228.0-158.0-201.0-52.0-41.045.093.0NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▁▂▁▁▃▂▃▂▂▄▂▄▂▃▄▃█▆▁45.062.0101.00.01.0345.0270.0298.0236.0145.0604.0133.0573.095.0368.0558.0378.01316.0999.3630.0NANA265.010.0NANA250.00.0NANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value255255254254254253253252252252251251250250249276248249248119118119119123122124124127127130129128128115115
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesIssued us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value254253251249
Percentage of CommonStockSharesIssued100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value191191191191191191192197249248119118119119123122124124127127130129128128115115115116
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value191192251249
Percentage of CommonStockSharesOutstanding100.0100.0127.30.0

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value255255254254254253253252252252251251250250249248119124129
Percentage of CommonStockSharesOutstanding133.4133.3133.2132.8132.8132.9131.60.00.00.0127.30.00.00.00.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value64-63.8-63.5-62.8-62.8-62.8-60.7-58.8-56.8-55.0-54.0-41.4-12.9
Percentage of CommonStockSharesOutstanding33.4-33.3-33.2-32.8-32.8-32.9-31.60.00.00.0-27.30.0-5.2

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value194194194190195199200201206209212219222234121121121125126127130132133133126118117117117
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 End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value191191191190191194196197202205207214217230118119119122123124127128129128122115115115115
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

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value1000000.01000000.02200000.06200000.02400000.01700000.02400000.01900000.01400000.02600000.01800000.01100000.02400000.01600000.0916000.01779000.01383000.01003000.01182000.01043000.01324000.01598000.0766000.02057000.01217000.01631000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:PerformanceShares


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302015-09-302015-06-30
Value800000.0700000.01100000.01100000.01400000.01300000.01300000.01300000.0800000.0900000.0700000.0500000.0500000.0300000.0198000.0191000.051000.052000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount80.070.050.017.758.376.554.268.457.134.638.945.520.818.821.610.75.14.4

us-gaap:StockCompensationPlan


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302014-09-302014-06-30
Value200000.0300000.01100000.01800000.01000000.0400000.01100000.0600000.0600000.01700000.01100000.0600000.01900000.01300000.0718000.01588000.01400000.01003000.01182000.01324000.01598000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount20.030.050.029.041.723.545.831.642.965.461.154.579.281.278.489.3101.2100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.911.110.620.53-0.120.430.090.290.310.290.340.30.30.335.140.390.350.320.740.830.730.890.860.910.690.690.70.730.660.690.570.520.310.420.30.450.410.37
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.91.090.610.52-0.120.420.090.290.30.290.340.290.290.325.020.380.340.310.740.820.710.880.850.890.670.680.690.710.640.680.550.50.30.410.30.440.40.37
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2344123122818-92.082-105.01072065-56.0-297.02741201237287200-606.9849753112888410556566387907680283225573641
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.81.27.08.20.7-3.32.8-3.83.90.72.4-2.2-11.610.747.69.612.28.5-31.16.53.47.57.95.97.34.25.34.56.56.97.66.82.22.62.74.83.03.6

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.05.015111.05.09.09.010.010.07.05.02.08.010.08.07.02.0-2.6951.92-0.5580.3331.568-5.013-0.0010.030.0220.087-0.0090.021-0.067-0.175-0.158-0.151-0.143-0.134-0.191-0.421
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.50.40.00.20.30.30.40.40.30.20.10.30.40.30.30.1-0.10.1-0.00.00.1-0.4-0.00.00.00.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2344624623919-87.091-96.01173072-51.0-295.02821211245294201-609.6799952112907910556566387907681283225583641
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.81.37.58.60.8-3.23.1-3.54.31.12.7-2.0-11.511.048.09.912.58.5-31.26.63.47.68.05.67.34.25.34.56.56.97.66.82.22.62.74.83.03.6

Cost Of Goods And Service Excluding Depreciation Depletion And Amortization

us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization

us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value232322932172180017041824190118521799174817421678
Percentage of CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax67.667.365.964.667.666.265.766.965.765.164.864.7

us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization us-gaap:StatementBusinessSegments

iqv:ContractSalesAndMedicalSolutions


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value160160148151170178172
Percentage of CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization6.97.08.28.99.39.69.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.74.75.36.06.26.46.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax iqv:ContractSalesAndMedicalSolutions82.582.982.785.386.785.684.7

iqv:ResearchAndDevelopmentSolutions


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value135513219258989881007971
Percentage of CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization58.357.651.452.754.254.454.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.438.833.235.635.936.435.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax iqv:ResearchAndDevelopmentSolutions71.770.766.172.768.668.767.7

iqv:TechnologyAndAnalyticsSolutions


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value808812727655666667656
Percentage of CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization34.835.440.438.436.536.036.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.523.826.126.024.224.123.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax iqv:TechnologyAndAnalyticsSolutions59.760.260.259.159.660.959.5

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-112018-06-302017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302013-12-312013-09-302013-05-312013-06-302013-03-31
Value0.0-24.0-1.00.0-12.00.0-24.00.00.00.0-2.0-2.02.0-18.00.0-3.00.00.0-7.78-3.2880.0-1.0-16.543-15.5
Percentage of GainsLossesOnExtinguishmentOfDebt0.0100.0100.00.0100.00.0100.00.00.00.0100.0100.0100.0100.00.0100.00.00.0100.0100.00.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.7-0.00.0-0.50.0-0.90.00.00.00.0-0.10.1-0.70.0-0.10.00.0-0.5-0.30.00.0-1.30.0

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value715731600449547563562
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.821.421.517.819.920.320.5

us-gaap:GrossProfit us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-82.0-57.0-90.0-74.0-63.0-24.0-103.0-41.0-57.0-39.0-74.0-61.0-64.0-61.0-70.0-51.0-59.0-52.0-55.0-30.0-28.0-23.0
Percentage of GrossProfit-11.5-7.80.0-12.3-14.0-4.40.0-7.3-10.10.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.4-1.7-2.7-2.7-2.5-0.9-3.6-1.5-2.1-1.5-2.8-2.4-2.5-2.4-2.8-2.1-2.5-2.2-2.8-2.0-1.8-1.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:GrossProfit us-gaap:StatementBusinessSegments

iqv:ContractSalesAndMedicalSolutions


Gross
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value20201711111516
Percentage of GrossProfit2.82.72.82.42.02.72.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.60.60.40.40.50.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax iqv:ContractSalesAndMedicalSolutions10.310.49.56.25.67.27.9

iqv:ResearchAndDevelopmentSolutions


Gross
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value343362291162268287288
Percentage of GrossProfit48.049.548.536.149.051.051.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.010.610.46.49.710.410.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax iqv:ResearchAndDevelopmentSolutions18.119.420.813.118.619.620.1

iqv:TechnologyAndAnalyticsSolutions


Gross
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value352349292276268261258
Percentage of GrossProfit49.247.748.761.549.046.445.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.210.210.510.99.79.49.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax iqv:TechnologyAndAnalyticsSolutions26.025.924.224.924.023.823.4

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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value222257194102-25.0102966978109104518885898568895514213114815814311412113213211412210094468155727465
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.57.55.93.7-1.03.73.32.52.84.13.92.03.43.33.53.42.93.82.99.58.510.014.110.18.09.012.59.58.59.410.07.93.66.75.86.16.05.7

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value484463-3.0-5.01768-1.08.04130-14.02419-992.0-3.0-7.012227383642514031363941323727278.833220212724
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.41.31.9-0.1-0.20.62.3-0.00.31.51.1-0.50.90.7-39.3-0.1-0.30.511.62.62.42.94.52.82.22.73.72.92.42.92.72.30.72.62.11.82.22.1

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value949910210010810610911411411010610510796979381757124222525252525-175.1412524242628313638333329
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.72.93.13.64.33.83.84.14.24.13.94.04.23.73.83.83.43.23.61.61.41.72.31.81.81.9-16.51.81.81.92.72.42.52.94.12.82.72.5

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value175212119101-23.08216576058696061691076847574-178.099861061041118486889285907266384834524743
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.16.23.63.6-0.93.00.62.12.22.22.62.32.42.742.73.43.23.1-9.16.65.67.29.37.85.96.48.36.66.36.97.35.63.03.93.74.33.83.7

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.05.0117.02.09.04.012119.07.07.07.04.08.05.04.02.03.04.8074.5392.3583.517-2.447-0.0040.0330.0180.079-0.010.031-0.062-0.185-0.164-0.153-0.138-0.123-0.189-0.465
Percentage of NetIncomeLossAttributableToNoncontrollingInterest0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.30.30.10.30.10.40.40.30.30.30.30.20.30.20.20.10.20.30.30.20.3-0.2-0.00.00.00.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value28634228918762193166204197210207181170183203197151168144167150178177167158143158149141141127125941159410910091
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.310.08.86.72.57.05.77.47.27.87.77.06.67.18.18.06.47.17.411.29.712.015.811.711.010.614.910.710.510.812.710.57.39.410.09.18.28.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value29376.0143213-7.07.00.0-27.026-4.0-21.0-3.0-3.0-3.011-1.6672.803-4.5065.5020.934-11.6592.861-0.5867.776-3.0564.8441.563-3.224-0.5362.382-1.156-3.856.1592.419
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.81.10.20.51.30.5-0.30.30.0-1.01.0-0.2-0.8-0.1-0.1-0.10.6-0.10.2-0.30.50.1-0.80.2-0.10.6-0.20.40.2-0.3-0.00.2-0.1-0.30.50.2

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value175217130108-21.09120697167766768731084897976-175.0103911091081088486889285907266384834514742
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.16.43.93.9-0.83.30.72.52.62.52.82.62.62.843.03.63.43.2-9.06.95.97.39.67.65.96.48.36.66.36.97.35.63.03.93.74.33.83.7

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312015-12-31
Value5.07.02.09.012119.07.07.04.03.517
Percentage of ProfitLoss2.36.5-9.59.917.415.513.410.410.35.53.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.30.10.30.40.40.30.30.30.20.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312015-12-31
Value175212101-23.082576058606169104
Percentage of ProfitLoss100.097.793.5109.590.182.684.586.689.689.794.596.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.16.23.6-0.93.02.12.22.22.32.42.79.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3438340932982786252127542895276927402684268825942567256325212466235523601953149715521490112814241443134710641400134113071003119512951228945119912301156
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

iqv:ContractSalesAndMedicalSolutions


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
Value194193189179177196210208203193193198206213216227238
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.75.76.47.07.17.37.57.47.27.27.68.08.38.69.210.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.75.76.47.07.17.37.57.47.27.27.68.08.38.69.210.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax iqv:ContractSalesAndMedicalSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

iqv:ResearchAndDevelopmentSolutions


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
Value189118681684140012351441147114661435141613681382135013651269134112321263
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax55.054.851.150.349.052.350.852.952.452.850.953.352.653.350.354.452.353.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax55.054.851.150.349.052.350.852.952.452.850.953.352.653.350.354.452.353.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax iqv:ResearchAndDevelopmentSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

iqv:TechnologyAndAnalyticsSolutions


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
Value13531348142512071109111712141095110210751127101410119851036898885
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.439.543.243.344.040.641.939.540.240.141.939.139.438.441.136.437.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.439.543.243.344.040.641.939.540.240.141.939.139.438.441.136.437.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax iqv:TechnologyAndAnalyticsSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

srt:Americas


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
Value16561712159913031175134214331410133012891311128412311172120011611117
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.250.248.546.846.648.749.550.948.548.048.849.548.045.747.647.147.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.250.248.546.846.648.749.550.948.548.048.849.548.045.747.647.147.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Americas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value668615606571530538559548537505499477489501459464450
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.418.018.420.521.019.519.319.819.618.818.618.419.019.518.218.819.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.418.018.420.521.019.519.319.819.618.818.618.419.019.518.218.819.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value111410821093912816874903811873890878833847890
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.431.733.132.732.431.731.229.331.933.232.732.133.034.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.431.733.132.732.431.731.229.331.933.232.732.133.034.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

srt:Americas, iqv:ContractSalesAndMedicalSolutions


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
Value867879768091101104100948687929398104115
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.32.42.73.23.33.53.83.63.53.23.43.63.63.94.24.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.32.42.73.23.33.53.83.63.53.23.43.63.63.94.24.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Americas iqv:ContractSalesAndMedicalSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Americas, iqv:ResearchAndDevelopmentSolutions


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
Value9351034854628528670684726642642644670631608579629564
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.230.325.922.520.924.323.626.223.423.924.025.824.623.723.025.523.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.230.325.922.520.924.323.626.223.423.924.025.824.623.723.025.523.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Americas iqv:ResearchAndDevelopmentSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Americas, iqv:TechnologyAndAnalyticsSolutions


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
Value635600666599567581648580588553581527508471523428438
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.517.620.221.522.521.122.420.921.520.621.620.319.818.420.717.418.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.517.620.221.522.521.122.420.921.520.621.620.319.818.420.717.418.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Americas iqv:TechnologyAndAnalyticsSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific, iqv:ContractSalesAndMedicalSolutions


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
Value6666605957555756544852555555555961
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.91.91.82.12.32.02.02.02.01.81.92.12.12.12.22.42.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.91.91.82.12.32.02.02.02.01.81.92.12.12.12.22.42.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific iqv:ContractSalesAndMedicalSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific, iqv:ResearchAndDevelopmentSolutions


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
Value449391377361332343351346345318310294305310272278267
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.111.511.413.013.212.512.112.512.611.811.511.311.912.110.811.311.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.111.511.413.013.212.512.112.512.611.811.511.311.912.110.811.311.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific iqv:ResearchAndDevelopmentSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific, iqv:TechnologyAndAnalyticsSolutions


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
Value153158169151141140151146138139137128129136132127122
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.54.65.15.45.65.15.25.35.05.25.14.95.05.35.25.25.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.54.65.15.45.65.15.25.35.05.25.14.95.05.35.25.25.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific iqv:TechnologyAndAnalyticsSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA, iqv:ContractSalesAndMedicalSolutions


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4249504440505248495155565965
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.41.51.61.61.81.81.71.81.92.02.22.32.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.41.51.61.61.81.81.71.81.92.02.22.32.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA iqv:ContractSalesAndMedicalSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA, iqv:ResearchAndDevelopmentSolutions


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value507443453411375428436394448456414418414447
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.713.013.714.814.915.515.114.216.417.015.416.116.117.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.713.013.714.814.915.515.114.216.417.015.416.116.117.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA iqv:ResearchAndDevelopmentSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA, iqv:TechnologyAndAnalyticsSolutions


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value565590590457401396415369376383409359374378
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.417.317.916.415.914.414.313.313.714.315.213.814.614.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.417.317.916.415.914.414.313.313.714.315.213.814.614.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA iqv:TechnologyAndAnalyticsSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3438340932982786252127542895276927402684268825942567256325212465237523221953149715521490112814241443134710641400134113071003119512951228945119912301156
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.898.4100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value482442491460431407484395436419443429424420464391370380310233250225244231225219225219219219232199228199215192203205
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.013.014.916.517.114.816.714.315.915.616.516.516.516.418.415.915.716.115.915.616.115.121.616.215.616.321.215.616.316.823.216.717.716.222.816.116.517.8

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value8257907463241034157397461646170515952523036253526302628272827351950213724
Percentage of SellingGeneralAndAdministrativeExpense17.012.918.316.114.65.921.310.413.19.316.714.215.114.515.113.015.913.716.813.214.711.214.511.413.412.112.512.412.812.415.29.922.211.017.312.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.41.72.72.72.50.93.61.52.11.52.82.42.52.42.82.12.52.22.72.12.41.73.11.92.12.02.61.92.12.13.51.73.91.84.02.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, iqv:ContractSalesAndMedicalSolutions


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1413141415151615151517171718171918
Percentage of SellingGeneralAndAdministrativeExpense2.92.92.93.03.53.73.33.83.43.63.84.04.04.33.74.94.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.40.40.50.60.50.60.50.50.60.60.70.70.70.70.80.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments iqv:ContractSalesAndMedicalSolutions0.00.00.00.00.07.77.67.27.47.88.88.68.38.57.98.47.6

us-gaap:OperatingSegments, iqv:ResearchAndDevelopmentSolutions


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
Value193185194184175185182172176181153154153156156151139136
Percentage of SellingGeneralAndAdministrativeExpense40.041.939.540.040.645.537.643.540.443.234.535.936.137.133.638.637.635.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.45.96.66.96.76.36.26.46.75.75.96.06.16.26.15.95.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments iqv:ResearchAndDevelopmentSolutions0.00.00.00.00.012.812.411.712.312.811.211.111.311.412.311.311.310.8

us-gaap:OperatingSegments, iqv:TechnologyAndAnalyticsSolutions


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value193187193188178183183167188184199197190182225166164
Percentage of SellingGeneralAndAdministrativeExpense40.042.339.340.941.345.037.842.343.143.944.945.944.843.348.542.544.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.55.96.77.16.66.36.06.96.97.47.67.47.18.96.77.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments iqv:TechnologyAndAnalyticsSolutions0.00.00.00.00.016.415.115.317.117.117.719.418.818.521.718.518.5

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value2393724467245642383723183230782325122892230682310922549224982262623235227422244521782211832120841283962398239264033334132363305310629783061306628422648242624992322
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value9667967096689661
Percentage of Assets39.441.642.942.5
Percentage of Assets39.441.642.942.5
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsus-gaap:
Period End2020-12-31
Value37
Percentage of Assets0.2
Percentage of Assets0.2
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0

us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, iqv:LongwoodFundVLP


Assetsus-gaap:
Period End2020-12-31
Value1.0
Percentage of Assets0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary iqv:LongwoodFundVLP100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, iqv:NovaQuestPharmaOpportunitiesFundFiveLp


Assetsus-gaap:
Period End2020-12-31
Value17
Percentage of Assets0.1
Percentage of Assets0.1
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary iqv:NovaQuestPharmaOpportunitiesFundFiveLp100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, iqv:NovaQuestPharmaOpportunitiesFundFourLp


Assetsus-gaap:
Period End2020-12-31
Value8.0
Percentage of Assets0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary iqv:NovaQuestPharmaOpportunitiesFundFourLp100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, iqv:NovaQuestPharmaOpportunitiesFundThreeLp


Assetsus-gaap:
Period End2020-12-31
Value7.0
Percentage of Assets0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary iqv:NovaQuestPharmaOpportunitiesFundThreeLp100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, iqv:NovaQuestPrivateEquityFundOneLp


Assetsus-gaap:
Period End2020-12-31
Value3.0
Percentage of Assets0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary iqv:NovaQuestPrivateEquityFundOneLp100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, iqv:PappasLifeScienceVenturesVLP


Assetsus-gaap:
Period End2020-12-31
Value1.0
Percentage of Assets0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary iqv:PappasLifeScienceVenturesVLP100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value181771823018284177301733117276169881649816287162441559515038150121478214384149381400813383123484210419141884261421340433848400936423600362137343553344637493858
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets75.974.574.474.474.874.973.172.170.670.369.266.866.363.663.266.664.363.258.2102.0105.8105.2108.5104.5121.0118.9121.3117.3120.9118.3121.8125.1130.1154.5154.4

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value3666366729541666
Percentage of Liabilities20.121.618.911.6
Percentage of Assets14.915.813.17.3
Percentage of Assets srt:ParentCompany37.937.930.617.2

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value239372446724564238372318323078232512289223068231092254922498226262323522742224452178221183212084128396239823926403333413236330531062978306130662842264824262499
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value9667967096689661
Percentage of LiabilitiesAndStockholdersEquity39.441.642.942.5
Percentage of Assets39.441.642.942.5
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value5760595360015846559155426003613165236615671472157364819681097264753975718633-313.432-458.286-434.81-564.217-406.021-701.756-612.387-704.061-536.259-621.549-559.474-667.413-711.967-798.058-1322.623-1359.523
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.124.324.424.524.124.025.826.828.328.629.832.132.535.335.732.434.635.740.7-7.6-11.6-10.9-14.4-10.1-21.0-18.9-21.3-17.3-20.9-18.3-21.8-25.1-30.1-54.5-54.4

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value6001600367147995
Percentage of StockholdersEquity100.0100.0100.098.6
Percentage of Assets24.425.829.835.2
Percentage of Assets srt:ParentCompany62.162.169.482.8

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value-85.0-85.0-85.0-16.0-16.0-16.0-16.0191919193030303021212121-12.348-13.264-15.0-5.0
Percentage of StockholdersEquity-1.5-1.4-1.4-0.3-0.3-0.3-0.30.30.30.30.30.40.40.40.40.30.30.30.23.92.42.10.7
Percentage of Assets-0.4-0.3-0.3-0.1-0.1-0.1-0.10.10.10.10.10.10.10.10.10.10.10.10.1-0.3-0.3-0.5-0.2
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value-39.0-39.0-48.0-57.0-59.0-51.0-21.0-33.0-29.0-9.0-1.025211410.0
Percentage of StockholdersEquity-0.7-0.7-0.8-1.0-1.1-0.9-0.3-0.5-0.4-0.1-0.00.30.30.20.1
Percentage of Assets-0.2-0.2-0.2-0.2-0.3-0.2-0.1-0.1-0.1-0.0-0.00.10.10.10.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value-327.0-376.0-205.0-317.0-444.0-485.0-311.0-377.0-215.0-262.0-224.0-220.0-104.025446-79.0-233.0-444.0-570.0-140.976-139.094-105.758-111.366-95.461-68.842-59.091-0.3767.695
Percentage of StockholdersEquity-5.7-6.3-3.4-5.4-7.9-8.8-5.2-6.1-3.3-4.0-3.3-3.0-1.43.10.6-1.1-3.1-5.9-6.645.030.424.319.723.59.88.40.1-0.6
Percentage of Assets-1.4-1.5-0.8-1.3-1.9-2.1-1.3-1.6-0.9-1.1-1.0-1.0-0.51.10.2-0.4-1.1-2.1-2.7-3.4-3.5-2.7-2.8-2.4-2.1-1.8-0.00.3
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value-486.0-511.0-395.0-492.0-541.0-558.0-430.0-482.0-380.0-421.0-419.0-451.0-343.0-51.0-217.0-270.0-366.0-500.0-623.0-147.102-116.83-56.0-6.0
Percentage of StockholdersEquity-8.4-8.6-6.6-8.4-9.7-10.1-7.2-7.9-5.8-6.4-6.2-6.3-4.7-0.6-2.7-3.7-4.9-6.6-7.246.920.78.00.9
Percentage of Assets-2.0-2.1-1.6-2.1-2.3-2.4-1.8-2.1-1.6-1.8-1.9-2.0-1.5-0.2-1.0-1.2-1.7-2.4-2.9-3.6-3.0-1.7-0.2
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value50685579509046454208427741263995397839993874369635873724345034923259311733372643243624372411252022192098214619381864194719451717167314391509
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.222.820.719.518.218.517.717.517.217.317.216.415.916.015.215.615.014.715.764.061.561.261.462.566.464.864.962.462.663.663.460.463.259.360.4

us-gaap:AssetsCurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Assets
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.03.01.02.0
Percentage of AssetsCurrent0.00.10.00.1
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.00.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value1807230518141464110992783786393893689182787996095911039028621198120995510539771081803779867645636741778609585454567506476446516646
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.59.47.46.14.84.03.63.84.14.14.03.73.94.14.24.94.14.15.629.324.126.424.926.824.024.126.220.821.424.225.421.522.118.722.70.00.00.022.20.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1.03.01.01.0125.0
Percentage of CashAndCashEquivalentsAtCarryingValue0.10.40.10.11.00.5
Percentage of Assets0.00.00.00.00.10.1
Percentage of Assets srt:ParentCompany0.00.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value18072305181414641109927837863938891
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.59.47.46.14.84.03.63.84.14.0

Marketable Securities Current

us-gaap:MarketableSecuritiesCurrent

us-gaap:MarketableSecuritiesCurrent


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1049788797363625756554746
Percentage of MarketableSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.30.30.30.30.20.20.20.20.2

us-gaap:MarketableSecuritiesCurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value137126122105101796969686346
Percentage of MarketableSecuritiesCurrent131.7129.9138.6132.9138.4127.4121.1123.2123.6134.0100.0
Percentage of Assets0.60.50.50.40.40.30.30.30.30.30.2
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MarketableSecuritiesCurrent us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value13712612210510180796969686346
Percentage of MarketableSecuritiesCurrent131.7129.9138.6132.9138.4127.0127.4121.1123.2123.6134.0100.0
Percentage of Assets0.60.50.50.40.40.30.30.30.30.30.30.2
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.00.0

Receivables Net Current

us-gaap:ReceivablesNetCurrent

us-gaap:ReceivablesNetCurrent


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value227623612410241423712634258225142401246123942298217222501993185918451779170712071257117511651128108910069751032964948924895867779745
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.59.69.810.110.211.411.111.010.410.610.610.29.69.78.88.38.58.48.029.231.729.529.728.032.631.129.533.232.431.030.131.532.732.129.8

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value115510551001923769510496481451
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.74.54.44.13.613.015.015.718.1

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Equipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value657570521446338257240222197
Percentage of PropertyPlantAndEquipmentGross56.954.052.048.344.050.348.446.343.7
Percentage of Assets2.72.52.32.01.66.57.37.37.9
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value768182817252545552
Percentage of PropertyPlantAndEquipmentGross6.67.78.28.89.410.311.011.611.6
Percentage of Assets0.30.30.40.40.31.31.71.82.1
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.0

us-gaap:LandBuildingsAndImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value351331326324333187185184182
Percentage of PropertyPlantAndEquipmentGross30.431.432.635.143.336.737.538.440.4
Percentage of Assets1.41.41.41.41.64.85.66.07.3
Percentage of Assets us-gaap:LandBuildingsAndImprovements0.00.00.00.00.00.00.00.00.0

us-gaap:TransportationEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value7173727226
Percentage of PropertyPlantAndEquipmentGross6.16.97.27.83.4
Percentage of Assets0.30.30.30.30.1
Percentage of Assets us-gaap:TransportationEquipment0.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value673597567483363322305281257
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.72.62.52.11.78.29.39.210.3

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value470472482452444445458451458437434417415432440428430410406184189189188194176179190190196195199197196190193
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.01.92.01.91.91.92.02.02.01.91.91.91.81.91.91.92.01.91.94.54.84.74.84.85.35.55.86.16.66.46.56.97.47.87.8

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-07-022015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value12551124151265412363121331198912159119191193711857118001179411844120411185011598112581091510727691716719719724263463462464468410409409412295297302278
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.450.751.551.952.351.952.352.151.751.352.352.452.351.852.151.751.751.550.616.718.118.118.317.90.013.914.314.015.113.813.413.414.511.112.312.112.0

us-gaap:Goodwill us-gaap:BusinessAcquisition

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions


Goodwillus-gaap:
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-12-312014-12-31
Value1154373331451252021581347.08863
Percentage of Goodwill0.93.62.81.21.11.71.31.10.10.813.6
Percentage of Assets0.51.91.50.60.50.90.70.60.00.41.9
Percentage of Assets us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

iqv:ContractSalesAndMedicalSolutions


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value157158144143142140139139139137134134135117116
Percentage of Goodwill1.31.31.11.21.21.21.11.21.21.21.11.11.11.01.1
Percentage of Assets0.70.60.60.60.60.60.60.60.60.60.60.60.60.50.5
Percentage of Assets iqv:ContractSalesAndMedicalSolutions0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

iqv:ResearchAndDevelopmentSolutions


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value1668164216461607159815981646159414451430142713921394139013851196602
Percentage of Goodwill13.313.213.013.013.213.313.513.412.112.112.111.811.811.511.711.183.6
Percentage of Assets7.06.76.76.76.96.97.17.06.36.26.36.26.26.06.15.615.3
Percentage of Assets iqv:ResearchAndDevelopmentSolutions0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

iqv:TechnologyAndAnalyticsSolutions


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value10726106151086410613103931025110374101861035310290102391026810315103489415
Percentage of Goodwill85.585.585.985.885.785.585.385.586.786.886.887.187.187.387.8
Percentage of Assets44.843.444.244.544.844.444.644.544.944.545.445.645.645.544.4
Percentage of Assets iqv:TechnologyAndAnalyticsSolutions0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:TradeNames


Indefinite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value18181818127128109
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.63.33.3
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value4770491552055222526253285514554657015811595161036297658065916567649363986390346352362368374263270280288282289298310271274272
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.920.121.221.922.723.123.724.224.725.126.427.127.828.329.029.329.830.230.18.48.99.19.49.37.98.48.59.39.59.49.710.910.311.310.9

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value520555145951659163986390346352362368374263270280288282289409310271274
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0137.4100.0100.0100.0
Percentage of Assets21.223.726.429.030.230.18.48.99.19.49.37.98.48.59.39.59.413.410.910.311.3
Percentage of Assets us-gaap:FairValueInputsLevel3 us-gaap:FairValueMeasurementsNonrecurring0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value51875496593365736263239170188163
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.123.626.328.929.56.15.26.16.5

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

iqv:ClientRelationshipsAndBacklog


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value33503506375741303858
Percentage of FiniteLivedIntangibleAssetsNet64.663.863.362.861.6
Percentage of Assets13.615.116.718.218.2
Percentage of Assets iqv:ClientRelationshipsAndBacklog0.00.00.00.00.0

us-gaap:ComputerSoftwareIntangibleAsset


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value119495573654537282899290
Percentage of FiniteLivedIntangibleAssetsNet23.017.412.48.35.934.552.549.355.2
Percentage of Assets4.94.13.32.41.82.12.73.03.6
Percentage of Assets us-gaap:ComputerSoftwareIntangibleAsset0.00.00.00.00.00.00.00.00.0

us-gaap:Databases


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value301651100514081655
Percentage of FiniteLivedIntangibleAssetsNet5.811.816.921.426.4
Percentage of Assets1.22.84.56.27.8
Percentage of Assets us-gaap:Databases0.00.00.00.00.0

us-gaap:NoncompeteAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value10.01417219.0
Percentage of FiniteLivedIntangibleAssetsNet0.20.30.30.30.1
Percentage of Assets0.00.10.10.10.0
Percentage of Assets us-gaap:NoncompeteAgreements0.00.00.00.00.0

us-gaap:TrademarksAndTradeNames


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312014-12-312013-12-312012-12-31
Value332370418469369121411
Percentage of FiniteLivedIntangibleAssetsNet6.46.77.07.15.97.17.87.0
Percentage of Assets1.41.61.92.11.70.40.50.5
Percentage of Assets us-gaap:TrademarksAndTradeNames0.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value430437471490502489496
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.81.92.12.22.12.1

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1011351021011029410812311110210011712110672607375761530293525323655193246352527179.639
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.60.40.40.40.40.50.50.50.40.40.50.50.50.30.30.30.40.40.40.80.70.90.61.01.11.70.61.11.51.20.91.00.70.4

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value22321937185816641493760733761658
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.18.38.27.37.019.422.224.826.3

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value15971554125211881061103610149549349711007985
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.76.45.15.04.64.54.44.24.04.24.54.3

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value48194868455841393843390739453576349535023534338031663199290428532660259627051619160015781594152313531320147114261353137614821334123812211317
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.119.918.617.416.616.917.015.615.215.215.715.014.013.812.812.712.212.312.839.240.439.640.637.840.540.844.545.945.445.048.347.046.850.452.7

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value147144149144142139100981001001001011011041031039491924848480.751055
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.60.60.60.40.40.40.40.40.40.40.40.50.50.40.40.41.21.21.50.00.32.2

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2020-12-312020-09-30
Value156154
Percentage of OperatingLeaseLiabilityCurrent100.0100.0
Percentage of Assets0.60.6

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value27223522017916870687776
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.01.00.80.81.82.12.53.1

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value21821624224524325421121121120732167.010.010.01414122027472819191127293031333534424444
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.91.01.01.01.10.90.90.90.90.10.10.00.00.00.10.10.10.10.71.20.70.50.50.40.80.91.01.11.11.21.21.61.81.8

Long Term Debt

us-gaap:LongTermDebt us-gaap:DebtInstrument

us-gaap:LongTermDebt

iqv:ForeignCurrencyDenominatedDebt


Long
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value5323527345904599460840284036
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.722.720.420.420.417.317.7
Percentage of Assets iqv:ForeignCurrencyDenominatedDebt0.00.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value1214012092123841219511965118941154511444112991118710907105181062710342101229651885882547108241924292440229220352366
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets50.749.450.451.251.651.549.750.049.048.448.446.847.044.544.543.040.739.033.561.660.273.069.366.494.7

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value2663373384295396185276278202044
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.41.41.82.32.72.32.83.69.6

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

country:US, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4742384240
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.2
Percentage of Assets country:US us-gaap:PensionPlansDefinedBenefit0.00.00.00.00.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value210171153175164
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent446.8407.1402.6416.7410.0
Percentage of Assets0.90.70.70.80.8
Percentage of Assets us-gaap:ForeignPlan us-gaap:PensionPlansDefinedBenefit0.00.00.00.00.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType

us-gaap:OtherPensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.01.01.02.0
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent2.12.42.64.8
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:OtherPensionPlansDefinedBenefit0.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value2842792612612602602632582502402452502572492432352292272312292282282260.0780.080.0490.027-0.061-0.051-0.072-0.0050.170.3280.4790.0420.1760.3670.788
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.11.11.11.11.11.11.11.11.11.11.11.11.11.11.11.11.15.65.85.75.85.60.00.00.00.0-0.0-0.0-0.0-0.00.00.00.00.00.00.00.0

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

iqv:QuestDiagnosticsIncorporated, iqv:Q2Solutions


Minority
Period End2020-12-31
Value279
Percentage of MinorityInterest100.0
Percentage of Assets1.1
Percentage of Assets iqv:QuestDiagnosticsIncorporated iqv:Q2Solutions0.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value607586633580582491456431424412418406406413440420421393402190180187182170190181183167186178178160153156162
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.52.42.62.42.52.12.01.91.81.81.91.81.81.81.91.91.91.91.94.64.64.74.74.25.75.65.65.46.35.85.85.75.86.46.5

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value345347371387402366396393398401
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.41.51.61.71.61.71.71.71.7

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-312020-09-30
Value132153
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0
Percentage of Assets0.50.6

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-312020-09-30
Value104128
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0
Percentage of Assets0.40.5

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-312020-09-30
Value73100
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0
Percentage of Assets0.30.4

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-312020-09-30
Value5870
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0
Percentage of Assets0.20.3

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value52
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.2

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value527541556540549546553568
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.32.42.32.42.42.42.5

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-312020-09-30
Value578595
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0
Percentage of Assets2.42.5

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-312020-09-30
Value5154
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0
Percentage of Assets0.20.2

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value5760595360015846559155426003613165236615671472157364819681097264753975718633-313.432-458.286-434.81-564.217-406.021-701.756-612.387-704.061-536.259-621.549-559.474-667.413-711.967-798.058-1322.623-1359.523
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.124.324.424.524.124.025.826.828.328.629.832.132.535.335.732.434.635.740.7-7.6-11.6-10.9-14.4-10.1-21.0-18.9-21.3-17.3-20.9-18.3-21.8-25.1-30.1-54.5-54.4

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value6001600367147995
Percentage of StockholdersEquity100.0100.0100.098.6
Percentage of Assets24.425.829.835.2
Percentage of Assets srt:ParentCompany62.162.169.482.8

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value-85.0-85.0-85.0-16.0-16.0-16.0-16.0191919193030303021212121-12.348-13.264-15.0-5.0
Percentage of StockholdersEquity-1.5-1.4-1.4-0.3-0.3-0.3-0.30.30.30.30.30.40.40.40.40.30.30.30.23.92.42.10.7
Percentage of Assets-0.4-0.3-0.3-0.1-0.1-0.1-0.10.10.10.10.10.10.10.10.10.10.10.10.1-0.3-0.3-0.5-0.2
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value-39.0-39.0-48.0-57.0-59.0-51.0-21.0-33.0-29.0-9.0-1.025211410.0
Percentage of StockholdersEquity-0.7-0.7-0.8-1.0-1.1-0.9-0.3-0.5-0.4-0.1-0.00.30.30.20.1
Percentage of Assets-0.2-0.2-0.2-0.2-0.3-0.2-0.1-0.1-0.1-0.0-0.00.10.10.10.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value-327.0-376.0-205.0-317.0-444.0-485.0-311.0-377.0-215.0-262.0-224.0-220.0-104.025446-79.0-233.0-444.0-570.0-140.976-139.094-105.758-111.366-95.461-68.842-59.091-0.3767.695
Percentage of StockholdersEquity-5.7-6.3-3.4-5.4-7.9-8.8-5.2-6.1-3.3-4.0-3.3-3.0-1.43.10.6-1.1-3.1-5.9-6.645.030.424.319.723.59.88.40.1-0.6
Percentage of Assets-1.4-1.5-0.8-1.3-1.9-2.1-1.3-1.6-0.9-1.1-1.0-1.0-0.51.10.2-0.4-1.1-2.1-2.7-3.4-3.5-2.7-2.8-2.4-2.1-1.8-0.00.3
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value-486.0-511.0-395.0-492.0-541.0-558.0-430.0-482.0-380.0-421.0-419.0-451.0-343.0-51.0-217.0-270.0-366.0-500.0-623.0-147.102-116.83-56.0-6.0
Percentage of StockholdersEquity-8.4-8.6-6.6-8.4-9.7-10.1-7.2-7.9-5.8-6.4-6.2-6.3-4.7-0.6-2.7-3.7-4.9-6.6-7.246.920.78.00.9
Percentage of Assets-2.0-2.1-1.6-2.1-2.3-2.4-1.8-2.1-1.6-1.8-1.9-2.0-1.5-0.2-1.0-1.2-1.7-2.4-2.9-3.6-3.0-1.7-0.2
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value5760623762806107585258026263639467816865695474607614845383587507777478008860-81.927-228.701-205.941-335.681-179.926-701.678-612.307-704.012-536.232-621.61-559.525-667.485-711.972-797.888-1322.295-1359.044-969.596-900.359
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.125.525.625.625.225.126.927.929.429.730.833.233.736.436.833.435.736.841.8-2.0-5.8-5.2-8.5-4.5-21.0-18.9-21.3-17.3-20.9-18.3-21.8-25.1-30.1-54.5-54.4-41.70.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value-327.0-376.0-205.0-317.0-444.0-485.0-311.0-377.0-215.0-262.0-224.0-220.0-104.025446-570.0-111.366-59.091-0.3767.6952245
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-5.7-6.0-3.3-5.2-7.6-8.4-5.0-5.9-3.2-3.8-3.2-2.9-1.43.00.6-6.433.28.40.1-0.6-2.4-5.1
Percentage of Assets-1.4-1.5-0.8-1.3-1.9-2.1-1.3-1.6-0.9-1.1-1.0-1.0-0.51.10.2-2.7-2.8-1.8-0.00.31.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312015-09-302014-12-312013-12-312012-12-31
Value106931106511092110671104011009110461098710961109241089810873108331079510780106007.592381424763.396
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest185.6177.4176.6181.2188.7189.7176.4171.8161.6159.1156.7145.8142.3127.7129.0119.6-2.3-132.5-20.3-71.4-0.2
Percentage of Assets44.745.245.246.447.647.747.548.047.547.348.348.347.946.547.450.00.25.94.315.50.1
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312015-09-302014-12-312013-12-312012-12-312011-12-312010-12-31
Value3.03.03.03.03.03.03.03.03.03.03.03.03.02.02.02.01.1941.2311.2421.2971.1581.161.164
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.00.00.00.10.10.00.00.00.00.00.00.00.00.00.0-0.4-0.7-0.2-0.2-0.1-0.1-0.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312015-09-302014-12-312013-12-312012-12-312011-12-312010-12-31
Value2842792612612602602632582502402452502572492272282260.049-0.0720.4790.7881.73
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest4.64.44.34.54.54.24.13.83.63.53.33.33.03.02.6-68.1-125.7-0.00.0-0.0-0.1-0.2
Percentage of Assets1.21.11.11.11.11.11.11.11.11.11.11.11.11.11.15.85.60.0-0.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312015-09-302014-12-312013-12-312012-12-312011-12-312010-12-31
Value166414891277115810571080998982925865807726665605655-399.0-461.635-550.148-788.798-1145.181-1371.772-994.415-948.83
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest28.923.920.319.018.118.615.915.413.612.611.69.78.77.27.8-4.5137.5305.8112.0171.6100.9102.6105.4
Percentage of Assets7.06.15.24.94.64.74.34.34.03.73.63.22.92.62.9-1.9-11.8-13.6-23.9-37.3-54.9-42.80.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-6273.0-6228.0-6166.0-6065.0-6065.0-6065.0-5733.0-5464.0-5151.0-4915.0-4770.0-4167.0-4033.0-3460.0-3374.0-1000.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-108.9-99.9-98.2-99.3-103.6-104.5-91.5-85.5-76.0-71.6-68.6-55.9-53.0-40.9-40.4-11.3
Percentage of Assets-26.2-25.5-25.1-25.4-26.2-26.3-24.7-23.9-22.3-21.3-21.2-18.5-17.8-14.9-14.8-4.7
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stocks Including Additional Paid In Capital

us-gaap:CommonStocksIncludingAdditionalPaidInCapital

us-gaap:CommonStocksIncludingAdditionalPaidInCapital


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value10696110681109511070110431101211049109901096410927109011087610836107971078210761107211065610602481.193258.78423928178143
Percentage of CommonStocksIncludingAdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.745.245.246.447.647.747.548.047.547.348.348.347.946.547.447.949.250.350.01.20.00.70.25.90.95.54.4

us-gaap:CommonStocksIncludingAdditionalPaidInCapital us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value11095110491090110782
Percentage of CommonStocksIncludingAdditionalPaidInCapital100.0100.0100.0100.0
Percentage of Assets45.247.548.347.4
Percentage of Assets srt:ParentCompany114.8114.3112.8111.6

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value166414891277115810571080998982925865807726665605655-166.0-255.0-325.0-399.0-221.218-320.385-354.967-461.635-550.148-661.434-702.4-788.798-877.224-969.878-1054.998-1145.181-1218.177-1284.946-1323.463-1371.772
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.06.15.24.94.64.74.34.34.03.73.63.22.92.62.9-0.7-1.2-1.5-1.9-5.4-8.1-8.9-11.8-13.6-19.8-21.7-23.9-28.2-32.6-34.5-37.3-42.9-48.5-54.5-54.9

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidatedEntities

srt:ParentCompany


Retained
Period End2020-12-312019-12-312018-12-312017-12-31
Value1277998807538
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.082.1
Percentage of Assets5.24.33.62.4
Percentage of Assets srt:ParentCompany13.210.38.35.6

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312010-12-31
Value-327.0-376.0-205.0-317.0-444.0-485.0-311.0-377.0-215.0-262.0-224.0-220.0-104.025446-79.0-233.0-444.0-570.0-140.976-139.094-105.758-111.366-95.461-68.842-88.953-59.091-27.0452.244-0.393-0.376-3.892-18.186-8.3877.695162245
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-1.4-1.5-0.8-1.3-1.9-2.1-1.3-1.6-0.9-1.1-1.0-1.0-0.51.10.2-0.4-1.1-2.1-2.7-3.4-3.5-2.7-2.8-2.4-2.1-2.7-1.8-0.90.1-0.0-0.0-0.1-0.7-0.30.30.01.00.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value-205.0-311.0-224.049
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0106.5
Percentage of Assets-0.8-1.3-1.00.2
Percentage of Assets srt:ParentCompany-2.1-3.2-2.30.5

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value2842792612612602602632582502402452502572492432352292272312292282282260.0780.080.0490.027-0.061-0.051-0.072-0.0050.170.3280.4790.0420.1760.3670.788
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.11.11.11.11.11.11.11.11.11.11.11.11.11.11.11.11.15.65.85.75.85.60.00.00.00.0-0.0-0.0-0.0-0.00.00.00.00.00.00.00.0

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

iqv:QuestDiagnosticsIncorporated, iqv:Q2Solutions


Minority
Period End2020-12-31
Value279
Percentage of MinorityInterest100.0
Percentage of Assets1.1
Percentage of Assets iqv:QuestDiagnosticsIncorporated iqv:Q2Solutions0.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312015-12-31
Value1.0-57.0-3.01.0-44.0-4.08.05.01513-5.05.98
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312015-12-31
Value1.0-57.0-3.01.0-44.0-4.08.05.01513-5.05.977
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312015-12-31
Value423030307.03029212525208.294
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312015-12-31
Value423030307.03029212525208.294
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2020-09-302020-03-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value115.04.02.02.010.019
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2020-09-302020-03-312019-09-302019-06-302018-09-302018-06-30
Value115.04.02.010.019
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value539867750574472163583330391113417344311182233436
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.725.422.720.618.75.920.111.914.34.215.513.312.17.19.217.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-185.0-176.0-236.0-191.0-219.0-150.0-280.0-400.0-195.0-315.0-178.0-182.0-330.0-120.0-416.0-334.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.4-5.2-7.2-6.9-8.7-5.4-9.7-14.4-7.1-11.7-6.6-7.0-12.9-4.7-16.5-13.5

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-863.0-168.0-198.0-53.0-73.0107-343.039-200.0228-158.0-201.0-52.0-41.04593
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-25.1-4.9-6.0-1.9-2.93.9-11.81.4-7.38.5-5.9-7.7-2.0-1.61.83.8

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-498.049135035518290-26.0-75.02.04564
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-14.514.410.612.77.23.3-0.9-2.70.11.72.4

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-4.0-39.0-16.0-58.0-62.0-40.0-3.0-88.0-54.0-12.06.0-69.0-88.0-26.0-1077.064-139.0-64.0139-1.579-7.3644.718-4.901230.509-0.8845.361-10.3560.414-1.587-8.353-3.842-23.2051114-5.364.0493.836
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value34332334431930831631429929429529428328228227825624523219034323134323030313029293027242425252323
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value15412-53.065125-128.0-22.0188-136.035-13.0-29.0-7.0187-22.394-15.54268-107.057-54.988118-78.464187-25.754-56.12374-37.738-34.96164
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value539867750574472163583330391113417344311182233436
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.725.422.720.618.75.920.111.914.34.215.513.312.17.19.217.7

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value175212119101-23.08216576058696061691076847574-178.099861061041118486889285907266384834524743
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.16.23.63.6-0.93.00.62.12.22.22.62.32.42.742.73.43.23.1-9.16.65.67.29.37.85.96.48.36.66.36.97.35.63.03.93.74.33.83.7

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value175217130108-21.09120697167766768731084897976-175.0103911091081088486889285907266384834514742
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.16.43.93.9-0.83.30.72.52.62.52.82.62.62.843.03.63.43.2-9.06.95.97.39.67.65.96.48.36.66.36.97.35.63.03.93.74.33.83.7

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312015-12-31
Value5.07.02.09.012119.07.07.04.03.517
Percentage of ProfitLoss2.36.5-9.59.917.415.513.410.410.35.53.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.30.10.30.40.40.30.30.30.20.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312015-12-31
Value175212101-23.082576058606169104
Percentage of ProfitLoss100.097.793.5109.590.182.684.586.689.689.794.596.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.16.23.6-0.93.02.12.22.22.32.42.79.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value48322633360.05927342635312621242927264515108.699.0568.4109.5747.6136.88.47.2215.8665.8696.6174.473123.263.0837.386
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-185.0-176.0-236.0-191.0-219.0-150.0-280.0-400.0-195.0-315.0-178.0-182.0-330.0-120.0-416.0-334.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.4-5.2-7.2-6.9-8.7-5.4-9.7-14.4-7.1-11.7-6.6-7.0-12.9-4.7-16.5-13.5

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireProductiveAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1451491761571421411371491551411381231108810289100788520312621241516242118171413323121152211
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-863.0-168.0-198.0-53.0-73.0107-343.039-200.0228-158.0-201.0-52.0-41.04593
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-25.1-4.9-6.0-1.9-2.93.9-11.81.4-7.38.5-5.9-7.7-2.0-1.61.83.8

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302014-12-312014-09-30
Value45621010.01.03452702982361456041335739536855837813169990.02650.02500.0
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302014-09-302014-06-302014-03-312013-06-302013-03-31
Value21.617.1-2.90.20.167-0.0140.1030.376-0.2750.2730.224-0.005-0.1030.1350.2730.2750.2860.280.3110.2840.3050.1890.392
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value48.4234.934.0933.9734.8338.0429.1523.017.17
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-31
Value224527
Percentage of DeferredTaxLiabilities100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value997733620565736179225225249
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value118120948264294054434149
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefits us-gaap:TaxCreditCarryforward

iqv:FederalStateAndForeignTax


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-31
Value14138.010.0
Percentage of UnrecognizedTaxBenefits11.910.88.512.2

iqv:ForeignTax


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-31
Value2123141.0
Percentage of UnrecognizedTaxBenefits17.819.214.91.2

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value30626622620015322242932
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0

iqv:AverageFloatingRate us-gaap:Currency, us-gaap:CreditFacility, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:VariableRate

iqv:AverageFloatingRate

currency:USD, us-gaap:RevolvingCreditFacility, us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:LondonInterbankOfferedRateLIBOR


Average
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-0.011.6334-0.00830.0249-0.0028-0.0036-0.00090.03990.0018-0.0011
Percentage of AverageFloatingRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

iqv:AverageFloatingRate us-gaap:Currency, us-gaap:CreditFacility, us-gaap:VariableRate

currency:JPY, us-gaap:RevolvingCreditFacility, us-gaap:LondonInterbankOfferedRateLIBOR


Average
Period End2020-09-302020-06-302020-03-31
Value1.48500.015
Percentage of AverageFloatingRate90.9-0.060.2

iqv:AverageFloatingRate us-gaap:Currency, us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:VariableRate

currency:EUR, iqv:SeniorSecuredAdditionalTermBLoan, us-gaap:DebtInstrumentRedemptionPeriodThree, us-gaap:LondonInterbankOfferedRateLIBOR


Average
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value02.01.9800.020-0.00500.02500
Percentage of AverageFloatingRate0.00.0121.2-0.080.3-0.0138.9-0.062.70.0-0.0

currency:EUR, iqv:SeniorSecuredTermALoan, us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:LondonInterbankOfferedRateLIBOR


Average
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
Value01.51.48500.0150000.0150-0.0025-0.00250.02
Percentage of AverageFloatingRate0.00.090.9-0.060.2-0.0-0.0-0.037.60.0227.30.00.0

currency:EUR, iqv:SeniorSecuredTermBLoan, us-gaap:DebtInstrumentRedemptionPeriodTwo, us-gaap:LondonInterbankOfferedRateLIBOR


Average
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-08-092019-09-302019-06-302019-03-312018-12-312018-09-30
Value02.01.9800.0200-0.007500.027500
Percentage of AverageFloatingRate0.00.0121.2-0.080.3-0.0208.30.0-0.068.90.0-0.0

currency:USD, iqv:SeniorSecuredAdditionalTermBLoan, us-gaap:DebtInstrumentRedemptionPeriodThree, us-gaap:LondonInterbankOfferedRateLIBOR


Average
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value01.950.031.9494-0.01140.032-0.0016-0.003-0.0010.04250.00130.0006
Percentage of AverageFloatingRate0.00.0-300.0119.3137.3128.557.183.3111.1106.572.2-54.5

currency:USD, iqv:SeniorSecuredTermALoan, us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:LondonInterbankOfferedRateLIBOR


Average
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value01.70.031.7019-0.01140.0295-0.0016-0.0023-0.00270.0410.0041-0.0019-0.00220.043
Percentage of AverageFloatingRate0.00.0-300.0104.2137.3118.557.163.9300.0102.8227.8172.70.00.0

currency:USD, iqv:SeniorSecuredTermBLoan, us-gaap:DebtInstrumentRedemptionPeriodThree, us-gaap:LondonInterbankOfferedRateLIBOR


Average
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.021.8601.8807-0.00810.0274-0.0041-0.0023-0.00270.0460.00410.00060.00030.043
Percentage of AverageFloatingRate0.00.0-0.0115.197.6110.0146.463.9300.0115.3227.8-54.50.00.0

currency:USD, iqv:SeniorSecuredTermBLoan, us-gaap:DebtInstrumentRedemptionPeriodTwo, us-gaap:LondonInterbankOfferedRateLIBOR


Average
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-0.021.8601.875-0.00240.0274-0.0041-0.0023-0.00270.0460.00410.0006
Percentage of AverageFloatingRate0.00.0-0.0114.828.9110.0146.463.9300.0115.3227.8-54.5

currency:USD, iqv:SeniorSecuredTermLoanAAt275Percent, us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:LondonInterbankOfferedRateLIBOR


Average
Period End2021-06-302021-03-312020-12-312020-09-30
Value-0.252.7502.7225
Percentage of AverageFloatingRate0.00.0-0.0166.7

iqv:BankGuarantees us-gaap:DebtInstrument

iqv:BankGuarantees

iqv:BankCreditFacility


Bank
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0800000.000100000.0800000.00-100000.0-100000.01000000.000-1400000.03000000.0
Percentage of BankGuarantees0.0100.00.00.0100.0100.00.0100.0100.0100.00.00.0100.0100.0

iqv:ContractWithCustomerIncreaseDecreaseInNetContractAssetLiabilities

iqv:ContractWithCustomerIncreaseDecreaseInNetContractAssetLiabilities


Contract
Period End2021-06-302021-03-312020-12-312020-09-30
Value-115000000.0-332000000.0-93000000.0-120000000.0
Percentage of ContractWithCustomerIncreaseDecreaseInNetContractAssetLiabilities100.0100.0100.0100.0

iqv:ContractWithCustomerIncreaseDecreaseInUnbilledContractsReceivable

iqv:ContractWithCustomerIncreaseDecreaseInUnbilledContractsReceivable


Contract
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value-72.0-30.07.0-56.055
Percentage of ContractWithCustomerIncreaseDecreaseInUnbilledContractsReceivable100.0100.0100.0100.0100.0

iqv:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityBusinessCombinations us-gaap:FairValueByLiabilityClass

iqv:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityBusinessCombinations

iqv:ContingentConsideration


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value185.0154.0208.0-1.0120.029318.07.07.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityBusinessCombinations100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

iqv:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityContingentConsiderationPaid us-gaap:FairValueByLiabilityClass

iqv:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityContingentConsiderationPaid

iqv:ContingentConsideration


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value269.00.05.07.010.02.05.023160.00.010.014
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityContingentConsiderationPaid100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0

iqv:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarningsAndForeignCurrencyTranslationAdjustments us-gaap:FairValueByLiabilityClass

iqv:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarningsAndForeignCurrencyTranslationAdjustments

iqv:ContingentConsideration


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-15.0-6.0-4.0-2.00.0-13.03.0-2.0-6.01.0-10.038-1.0-2.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarningsAndForeignCurrencyTranslationAdjustments100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

iqv:FinanceLeaseCosts us-gaap:IncomeStatementLocation

iqv:FinanceLeaseCosts

iqv:DepreciationAndAmortizationAndInterest


Finance
Period End2020-12-312020-09-302020-06-302019-06-30
Value2000000.03000000.01000000.00
Percentage of FinanceLeaseCosts100.0100.0100.00.0

iqv:IncomeLossFromContinuingOperationsAfterIncomeTaxesAndBeforeEquityInEarningsOfUnconsolidatedAffiliates

iqv:IncomeLossFromContinuingOperationsAfterIncomeTaxesAndBeforeEquityInEarningsOfUnconsolidatedAffiliates


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value174213131105-20.085287070687465646610648962103
Percentage of IncomeLossFromContinuingOperationsAfterIncomeTaxesAndBeforeEquityInEarningsOfUnconsolidatedAffiliates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

iqv:IncreaseDecreaseInAccountsReceivableUnbilledServicesAndUnearnedIncome

iqv:IncreaseDecreaseInAccountsReceivableUnbilledServicesAndUnearnedIncome


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-139.0-342.0-120.0-292.084115-24.076105-64.017831-8.081
Percentage of IncreaseDecreaseInAccountsReceivableUnbilledServicesAndUnearnedIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

iqv:PaymentsForStockOptionsExercised

iqv:PaymentsForStockOptionsExercised


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value-1.0562.00.041
Percentage of PaymentsForStockOptionsExercised100.0100.0100.00.0100.0

iqv:PaymentsToAcquireEquityMethodInvestmentsAndProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

iqv:PaymentsToAcquireEquityMethodInvestmentsAndProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2.01.0-2.07.02.0-17.0-6.05.0-2.0-7.0199.0-4.0-10.0
Percentage of PaymentsToAcquireEquityMethodInvestmentsAndProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

iqv:PaymentsToAcquireInvestmentsExcludingMarketableSecurities

iqv:PaymentsToAcquireInvestmentsExcludingMarketableSecurities


Payments
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1.00.0-4.06.00.010.00.0
Percentage of PaymentsToAcquireInvestmentsExcludingMarketableSecurities100.00.0100.0100.00.0100.00.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value5.05.05.05.05.03.03.04.03.03.03.03.02.03.03.02.02.02.0241.6861.6861.6861.6851.6854.1231.6771.9011.5961.5961.5954.8811.686122.8753.5482.1031.9521.634
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:BusinessCombinationConsiderationTransferred1

srt:ScenarioForecast, iqv:Q2Solutions, us-gaap:SubsequentEvent


Business
Period End2021-06-30
Value760
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:CashDividendsPaidToParentCompany us-gaap:ConsolidatedEntities

us-gaap:CashDividendsPaidToParentCompany

us-gaap:Parent


Cash
Period End2020-12-312020-10-312020-07-312020-03-312020-02-292019-12-312019-11-302019-09-302019-08-312019-06-302019-05-312019-03-312019-02-282018-12-312018-11-302018-10-312018-09-302018-06-302018-05-312018-03-312018-02-28
Value81202.0443331325574239941401413.03391461321184141545437
Percentage of CashDividendsPaidToParentCompany100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value11-32.034252.0-30.014-44.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount


Effective
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value6.0179.05.0213.08.09.4
Percentage of EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfInvestments

us-gaap:GainLossOnSaleOfInvestments


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value12-3.08.03.022-8.02.03.00.062-1.0690.0-0.005-0.009-0.308-0.1545.2680.1210.057-0.0070.012
Percentage of GainLossOnSaleOfInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillAcquiredDuringPeriod

us-gaap:GoodwillAcquiredDuringPeriod


Goodwill
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value15121257.092
Percentage of GoodwillAcquiredDuringPeriod100.0100.0100.0100.0100.0

us-gaap:GoodwillAcquiredDuringPeriod us-gaap:StatementBusinessSegments

iqv:TechnologyAndAnalyticsSolutions


Goodwill
Period End2021-03-312020-03-312019-03-31
Value1512122
Percentage of GoodwillAcquiredDuringPeriod100.0100.097.6

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value83-254.026021686-182.0291-206.060-68.0466-74.0-324.0184-1103.016426196351-2.052
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss us-gaap:StatementBusinessSegments

iqv:ContractSalesAndMedicalSolutions


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-31
Value-1.0141.01.02.01.02.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss-1.2-5.50.40.52.3-0.50.4

iqv:ResearchAndDevelopmentSolutions


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.0-4.010.09.00.0-48.00.03.012-2.0-8.05.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss1.21.63.84.20.026.40.0-4.42.62.72.52.7

iqv:TechnologyAndAnalyticsSolutions


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value83-264.024920684-135.0291-202.063-71.0452-71.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0103.995.895.497.774.2100.098.1105.0104.497.095.9

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1.04.0-1.03.0-1.06.0-8.0-1.01.0-1.02.02.04.07.03.04.04.0-1.0-3.0480.195-3.7892.6420.35.3621.7250.911-5.4171.5233.3714.8910.45-0.3550.464-1.683-0.2360.8960.3341.573
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1.04.0-1.03.0-1.06.0-8.0-1.01.0-1.02.02.05.06.0143.04.0-11.0-2.5830.195-4.043-1.5690.35.3621.6920.911-5.417
Percentage of IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationChangeInEnactedTaxRate

us-gaap:IncomeTaxReconciliationChangeInEnactedTaxRate


Income
Period End2020-09-302020-06-302020-03-31
Value140.010.0
Percentage of IncomeTaxReconciliationChangeInEnactedTaxRate100.00.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value43302641272522-46.0-20.03736
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1000000.01000000.02000000.01000000.01000000.02000000.02000000.03000000.02000000.02000000.03000000.02000000.01000000.02000000.02000000.02000000.01000000.02000000.01830000.0706000.0834000.0630000.0847000.01141000.01459000.0870000.0559000.0602000.0994000.01255000.01581000.01119000.0785000.0452000.01472000.0848000.0322000.0425000.0
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value605254504847
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestDecreaseFromRedemptions

us-gaap:MinorityInterestDecreaseFromRedemptions


Minority
Period End2021-06-30
Value-709000000.0
Percentage of MinorityInterestDecreaseFromRedemptions100.0

us-gaap:MinorityInterestDecreaseFromRedemptions us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Minority
Period End2021-06-30
Value-10000000.0
Percentage of MinorityInterestDecreaseFromRedemptions1.4

us-gaap:AdditionalPaidInCapital


Minority
Period End2021-06-30
Value-415000000.0
Percentage of MinorityInterestDecreaseFromRedemptions58.5

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-30
Value-284000000.0
Percentage of MinorityInterestDecreaseFromRedemptions40.1

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-3.07.04.0-1.03.0-46.011-7.0-17.0-6.0-15.05.0
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedTranslationAdjustment


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value35-116.0974917-128.052-102.041-2.032-108.0-292.01635396-475.728-9.054-30.1138.895-18.988-22.432
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent-1166.7-1657.12425.0-4900.0566.7278.3472.71457.1-241.233.3-213.3-2160.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent


Oci
Period End2021-06-302021-03-312020-12-31
Value56-172.0108
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0100.0100.0

us-gaap:OperatingLeaseCost us-gaap:IncomeStatementLocation

us-gaap:OperatingLeaseCost

us-gaap:SellingGeneralAndAdministrativeExpenses


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5849534950484748
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value64455646-94.055
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value58-178.016313045-155.092-162.062-31.022-122.0-365.0207119156217122-478.881-10.582-31.2557.718-19.584-23.43513-30.012-24.691-27.283.8610.303-2.9318.622-12.735-15.64-7.3445.357-5.997-1.078
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value58-178.012646-151.0-159.063-32.0-120.0-360.0203
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax100.0100.096.9102.297.498.1101.6103.298.498.698.1

us-gaap:NoncontrollingInterest


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312015-12-31
Value4.0-1.0-4.0-3.0-1.01.0-2.0-5.04.0-1.949
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax3.1-2.22.61.9-1.6-3.21.61.41.910.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-23.062-62.0-54.0-29.023-95.057-22.03010.01268-40.0-63.0-59.080-1.0-2.838-1.359-3.955-0.848-1.353-1.5630.146-2.811-0.693-1.4080.00.0-0.0872.0484.305-4.6350.6112.454-2.6012.5
Percentage of OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-2000000.06000000.03000000.0-1000000.07000000.0-39000000.08000000.0-5000000.0-13000000.0-5000000.0-7000000.04000000.03000000.01000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-2000000.06000000.0-1000000.07000000.0-39000000.0-5000000.0-13000000.0-5000000.04000000.03000000.01000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.09.09.03.0-10.0-29.012-4.0-20.0-8.0-26.04.04.03.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax us-gaap:DerivativeInstrumentRisk

us-gaap:ForeignExchangeForward


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-2.0-2.05.02.00.0-6.07.0-1.0-5.01.0-11.01.03.0-2.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax-200.0-22.255.666.7-0.020.758.325.025.0-12.542.325.075.0-66.7

us-gaap:InterestRateContract


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.0114.01.0-10.0-23.05.0-3.0-15.0-9.0-15.03.01.05.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax300.0122.244.433.3100.079.341.775.075.0112.557.775.025.0166.7

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-1000000.01000000.01000000.0-8000000.03000000.0-7000000.011000000.0-2000000.0-4000000.0-1000000.0-8000000.01000000.02000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-31
Value-3.0-1.0-4.0-2.012-16.0-1.0-2.03.01.01.0-1.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-3.0-2.0-3.011-16.0-2.0-2.03.02.01.01.0-2.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:ForeignExchangeForward, us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.014-14.00.00.03.03.0142.00.0-4.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax-33.3127.387.5-0.0-0.0100.0150.00.0200.00.0200.0

us-gaap:ForeignExchangeForward, us-gaap:Sales


Other
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
Value2.02.0-4.0-3.0-2.0-2.0-2.00.0-1.0-3.0-1.01.02.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax-66.7-100.0133.3-27.312.5100.0100.00.0-50.00.0-100.0100.0-100.0

us-gaap:InterestRateSwap, us-gaap:InterestExpense


Other
Period End2021-06-302021-03-31
Value-5.0-4.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax166.7200.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-2000000.01000000.0-5000000.01000000.01000000.00001000000.0-1000000.01000000.00-1000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax100.0100.0100.0100.0100.00.00.00.0100.0100.0100.00.0100.0

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1


Other
Period End2021-06-302021-03-312020-12-31
Value24-63.0-264.0
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent1100.0100.0100.0

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities


Payment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value27112.04.010.06.0-1.01.04.0160.00.010.0140.01.0
Percentage of PaymentForContingentConsiderationLiabilityFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-30
Value-1.01.0-1.00.0-3.0-1.0-1.0-8.015-3.010.0-1.079-1.6310.304-0.5941.56-1.241-0.204-0.6661.595-0.903-0.3390.91-0.5310.9840.3431.201
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRestructuring

us-gaap:PaymentsForRestructuring


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value11141614201818132616181921241920212124157.0822.5927.864.9816.5394.2862.5631.1911.7042.7
Percentage of PaymentsForRestructuring100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRestructuring us-gaap:RestructuringCostAndReserve

iqv:SeveranceAndRelatedCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value10.014161420171713131417162023
Percentage of PaymentsForRestructuring90.9100.0100.0100.0100.094.494.4100.050.087.594.484.295.295.8

us-gaap:FacilityClosing


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-30
Value0.00.00.01.01.00.0132.03.0
Percentage of PaymentsForRestructuring0.00.00.05.65.60.050.012.515.8

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-30
Value0.0320.00.022110.036110.0-1.03.0-3.030
Percentage of PaymentsOfDebtIssuanceCosts0.0100.00.00.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0

us-gaap:PaymentsOfDistributionsToAffiliates

us-gaap:PaymentsOfDistributionsToAffiliates


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-09-30
Value-3.0110.05.0124.02.00.01210.0-2.0
Percentage of PaymentsOfDistributionsToAffiliates100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312014-12-312013-12-312012-12-31
Value46195926781412726026175542820720329257118150-0.7240.00.00.0
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PaymentsToAcquireMarketableSecurities


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-03-31
Value1000000.07000000.01000000.007000000.0002000000.01000000.0
Percentage of PaymentsToAcquireMarketableSecurities100.0100.0100.00.0100.00.00.0100.0100.0

us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromIssuanceOfDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-30
Value0.017510.01.07908000.080011000.00.00.00.01244
Percentage of ProceedsFromIssuanceOfDebt0.0100.00.0100.0100.0100.00.0100.0100.00.00.00.00.0100.0

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromLinesOfCredit


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.02609908126103107906453401055405699369363490
Percentage of ProceedsFromLinesOfCredit0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-06-302018-03-312015-12-312014-03-312013-12-312013-03-312012-12-31
Value-3.0-1.0-2.012-16.0-2.03.01.01.0-1.02.6822.582-1.364-2.712-1.785
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-06-302018-03-31
Value-3.0-1.0-2.012-16.0-2.03.01.01.0-1.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value-3.0-1.0-2.012-16.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-3.0-2.0-5.0-3.011-16.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent100.0200.00.0150.091.7100.0

us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:ReclassificationFromAociCurrentPeriodTax


Reclassification
Period End2021-06-302021-03-312020-12-31
Value0-1000000.0-1000000.0
Percentage of ReclassificationFromAociCurrentPeriodTax0.0100.0100.0

us-gaap:RepaymentsOfDebtAndCapitalLeaseObligations

us-gaap:RepaymentsOfDebtAndCapitalLeaseObligations


Repayments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value3617583773025825252525656263432424911212121320331.216.2630.1320.3340.982350345.7925.625.892
Percentage of RepaymentsOfDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLinesOfCredit


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value250.036012508462101335385160390147930027060725865
Percentage of RepaymentsOfLinesOfCredit100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value4.09.02.0201614301914122.02317262510.09.01943-0.467253.1447.21116.2345.3245.2391.7930.9481.0082.1747.2012.8371.8597.222-0.43412-0.31
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserveAccrualAdjustment1

us-gaap:RestructuringReserveAccrualAdjustment1


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.09.02.0201614301914122.0231726
Percentage of RestructuringReserveAccrualAdjustment1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserveAccrualAdjustment1 us-gaap:RestructuringCostAndReserve

iqv:SeveranceAndRelatedCosts


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.09.02.020151530191412-3.08.01525
Percentage of RestructuringReserveAccrualAdjustment1100.0100.0100.0100.093.8107.1100.0100.0100.0100.0-150.034.888.296.2

us-gaap:RestructuringReserveTranslationAndOtherAdjustment

us-gaap:RestructuringReserveTranslationAndOtherAdjustment


Restructuring
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1000000.0-2000000.0-2000000.002000000.0-2000000.00-9000000.05000000.00-3000000.02000000.0-1000000.05000000.0-3000000.0-3969000.0-104000.0-619000.0-308000.0-78000.0
Percentage of RestructuringReserveTranslationAndOtherAdjustment100.0100.0100.00.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserveTranslationAndOtherAdjustment us-gaap:RestructuringCostAndReserve

iqv:SeveranceAndRelatedCosts


Restructuring
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-31
Value1000000.0-2000000.0-1000000.0-1000000.01000000.0-1000000.0-1000000.00-3000000.02000000.0
Percentage of RestructuringReserveTranslationAndOtherAdjustment100.0100.050.00.050.011.1-20.00.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value17174332-42.034
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.20.70.40.30.80.20.40.70.80.40.5
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired us-gaap:StatementEquityComponents

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.20.3-2.12.01.81.01.05.60.9
Percentage of TreasuryStockSharesAcquired100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-302021-03-312020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value456233231323614560413457286
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:ShareRepurchaseProgram, us-gaap:SubsidiarySaleOfStock

iqv:EquityRepurchaseUnderRepurchaseProgram, iqv:RepurchasedFromCompanyStockholders


Treasury
Period End2020-09-302020-06-302020-03-31
Value0.00.0164
Percentage of TreasuryStockValueAcquiredCostMethod0.00.049.5

iqv:EquityRepurchaseUnderRepurchaseProgram, iqv:SecondaryPublicOffering


Treasury
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value45500.00.0321313
Percentage of TreasuryStockValueAcquiredCostMethod100.081.50.00.096.8100.2

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value456233231323614513457386
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.2100.0

dei:EntityNumberOfEmployees

dei:EntityNumberOfEmployees


Entity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value74000.072000.070000.068000.067000.067000.0
Percentage of EntityNumberOfEmployees100.0100.0100.0100.0100.0100.0

iqv:AccountsPayableToSubsidiaries us-gaap:ConsolidatedEntities

iqv:AccountsPayableToSubsidiaries

srt:ParentCompany


Accounts
Period End2020-12-312019-12-31
Value2000000.03000000.0
Percentage of AccountsPayableToSubsidiaries100.0100.0

iqv:AccruedPassThroughExpenses

iqv:AccruedPassThroughExpenses


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value849763678565502
Percentage of AccruedPassThroughExpenses100.0100.0100.0100.0100.0

iqv:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTaxAttributableToParent us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType, us-gaap:StatementEquityComponents

iqv:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTaxAttributableToParent

country:US, us-gaap:PensionPlansDefinedBenefit, iqv:AccumulatedDefinedBenefitPlansAdjustmentActuarialNetGainLoss


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-21.013113329
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTaxAttributableToParent100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit, iqv:AccumulatedDefinedBenefitPlansAdjustmentActuarialNetGainLoss


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-65.0-30.07.0-3.0-8.0
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTaxAttributableToParent309.5-230.863.6-9.1-27.6

iqv:BusinessCombinationContingentConsiderationLiabilityAndDeferredPurchasePayments us-gaap:BusinessAcquisition

iqv:BusinessCombinationContingentConsiderationLiabilityAndDeferredPurchasePayments

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions


Business
Period End2020-12-312019-12-31
Value4779
Percentage of BusinessCombinationContingentConsiderationLiabilityAndDeferredPurchasePayments100.0100.0

iqv:ContingentConsiderationAndDeferredPurchasePriceCurrent

iqv:ContingentConsiderationAndDeferredPurchasePriceCurrent


Contingent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5952905922
Percentage of ContingentConsiderationAndDeferredPurchasePriceCurrent100.0100.0100.0100.0100.0

iqv:ContractWithCustomerNetContractAssetLiabilities

iqv:ContractWithCustomerNetContractAssetLiabilities


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
Value-436.0-321.01110422430527239736030112323716998-102.0
Percentage of ContractWithCustomerNetContractAssetLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

iqv:CostAndEquityMethodInvestmentFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

iqv:CostAndEquityMethodInvestmentFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


Cost
Period End2020-12-31
Value128
Percentage of CostAndEquityMethodInvestmentFairValueDisclosure100.0

iqv:DeferredTaxAssetsAccruedExpenses

iqv:DeferredTaxAssetsAccruedExpenses


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5455704675
Percentage of DeferredTaxAssetsAccruedExpenses100.0100.0100.0100.0100.0

iqv:DeferredTaxAssetsForeignExchangeOnDebtInstrument

iqv:DeferredTaxAssetsForeignExchangeOnDebtInstrument


Deferred
Period End2020-12-31
Value143
Percentage of DeferredTaxAssetsForeignExchangeOnDebtInstrument100.0

iqv:DeferredTaxAssetsLeaseLiability

iqv:DeferredTaxAssetsLeaseLiability


Deferred
Period End2020-12-312019-12-31
Value139119
Percentage of DeferredTaxAssetsLeaseLiability100.0100.0

iqv:DeferredTaxAssetsUSInterestExpenseLimitation

iqv:DeferredTaxAssetsUSInterestExpenseLimitation


Deferred
Period End2020-12-312019-12-31
Value7535
Percentage of DeferredTaxAssetsUSInterestExpenseLimitation100.0100.0

iqv:DeferredTaxLiabilitiesDepreciationAndAmortization

iqv:DeferredTaxLiabilitiesDepreciationAndAmortization


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value10381105120913342026
Percentage of DeferredTaxLiabilitiesDepreciationAndAmortization100.0100.0100.0100.0100.0

iqv:DeferredTaxLiabilityLeaseRightOfUseAsset

iqv:DeferredTaxLiabilityLeaseRightOfUseAsset


Deferred
Period End2020-12-312019-12-31
Value133119
Percentage of DeferredTaxLiabilityLeaseRightOfUseAsset100.0100.0

iqv:DefinedBenefitPlanAssetsNetAssetValue us-gaap:RetirementPlanSponsorLocation

iqv:DefinedBenefitPlanAssetsNetAssetValue

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value329277216229199
Percentage of DefinedBenefitPlanAssetsNetAssetValue100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1231131039681
Percentage of DefinedBenefitPlanAssetsNetAssetValue37.440.847.741.940.7

iqv:DefinedBenefitPlanExpectedFutureBenefitPayments us-gaap:RetirementPlanType

iqv:DefinedBenefitPlanExpectedFutureBenefitPayments

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value497
Percentage of DefinedBenefitPlanExpectedFutureBenefitPayments100.0

iqv:DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanSponsorLocation

iqv:DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy

iqv:DomesticEquities, us-gaap:FairValueInputsLevel1, country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2930313732
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy100.0100.0100.0100.0100.0

iqv:InsuranceContracts, us-gaap:FairValueInputsLevel2, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value171153136141133
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy589.7510.0438.7381.1415.6

iqv:InternationalEquities, us-gaap:FairValueInputsLevel1, country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value9.016132320
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy31.053.341.962.262.5

iqv:InternationalEquities, us-gaap:FairValueInputsLevel1, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-31
Value3.02.02.0
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy10.36.76.5

iqv:InternationalEquities, us-gaap:FairValueInputsLevel2, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6656536657
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy227.6186.7171.0178.4178.1

iqv:InvestmentsFunds, us-gaap:FairValueInputsLevel2, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value10.09.08.07.07.0
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy34.530.025.818.921.9

iqv:OtherAssetCategories, us-gaap:FairValueInputsLevel2, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6.05.05.07.06.0
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy20.716.716.118.918.8

us-gaap:CorporateDebtSecurities, us-gaap:FairValueInputsLevel1, country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6558545346
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy224.1193.3174.2143.2143.8

us-gaap:DefinedBenefitPlanRealEstate, us-gaap:FairValueInputsLevel1, country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value23201618
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy79.366.751.648.6

us-gaap:USStatesAndPoliticalSubdivisions, us-gaap:FairValueInputsLevel1, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3.02.02.02.02.0
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy10.36.76.55.46.2

us-gaap:USStatesAndPoliticalSubdivisions, us-gaap:FairValueInputsLevel2, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value9378575548
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy320.7260.0183.9148.6150.0

iqv:DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanSponsorLocation

iqv:DomesticEquities, country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2930313732
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy100.0100.0100.0100.0100.0

iqv:InsuranceContracts, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value171153136141133
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy589.7510.0438.7381.1415.6

iqv:InternationalEquities, country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value9.016132320
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy31.053.341.962.262.5

iqv:InternationalEquities, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6958556657
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy237.9193.3177.4178.4178.1

iqv:InvestmentsFunds, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value10.09.08.07.07.0
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy34.530.025.818.921.9

iqv:OtherAssetCategories, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6.05.05.07.06.0
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy20.716.716.118.918.8

us-gaap:CorporateDebtSecurities, country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6558545346
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy224.1193.3174.2143.2143.8

us-gaap:DefinedBenefitPlanRealEstate, country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value23201618
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy79.366.751.648.6

us-gaap:USStatesAndPoliticalSubdivisions, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value9680595750
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy331.0266.7190.3154.1156.2

iqv:DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanSponsorLocation

us-gaap:FairValueInputsLevel1, country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value126124114131113
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy434.5413.3367.7354.1353.1

us-gaap:FairValueInputsLevel1, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6.04.04.02.02.0
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy20.713.312.95.46.2

us-gaap:FairValueInputsLevel2, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value346301259293265
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy1193.11003.3835.5791.9828.1

iqv:DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy us-gaap:RetirementPlanSponsorLocation

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value126124114131113
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy434.5413.3367.7354.1353.1

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value352305263295267
Percentage of DefinedBenefitPlanFairValueOfPlanAssetsExcludingAssetsNotClassifiedInFairValueHierarchy1213.81016.7848.4797.3834.4

iqv:DepositsAndOtherAssetsNoncurrent

iqv:DepositsAndOtherAssetsNoncurrent


Deposits
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value385380386377358287227240242248239
Percentage of DepositsAndOtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

iqv:FinanceLeaseLiabilityPaymentsDueAfterYearSix

iqv:FinanceLeaseLiabilityPaymentsDueAfterYearSix


Finance
Period End2020-09-30
Value159
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearSix100.0

iqv:FinanceLeaseLiabilityPaymentsDueYearSix

iqv:FinanceLeaseLiabilityPaymentsDueYearSix


Finance
Period End2020-09-30
Value6000000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearSix100.0

iqv:ImpactOfAdoptingGlobalIntangibleLowTaxedIncome

iqv:ImpactOfAdoptingGlobalIntangibleLowTaxedIncome


Impact
Period End2020-12-31
Value26
Percentage of ImpactOfAdoptingGlobalIntangibleLowTaxedIncome100.0

iqv:InvestmentInSubsidiaries us-gaap:ConsolidatedEntities

iqv:InvestmentInSubsidiaries

srt:ParentCompany


Investment
Period End2020-12-312019-12-312018-12-312017-12-31
Value9666966796679659
Percentage of InvestmentInSubsidiaries100.0100.0100.0100.0

iqv:InvestmentsInAndAdvanceToAffiliatesAndSubsidiaries us-gaap:ConsolidatedEntities

iqv:InvestmentsInAndAdvanceToAffiliatesAndSubsidiaries

srt:ParentCompany


Investments
Period End2020-12-312019-12-312018-12-312017-12-31
Value3664366429541666
Percentage of InvestmentsInAndAdvanceToAffiliatesAndSubsidiaries100.0100.0100.0100.0

iqv:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearSix

iqv:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearSix


Lessee
Period End2020-09-30
Value44
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearSix100.0

iqv:LesseeOperatingLeaseLiabilityPaymentsDueYearSix

iqv:LesseeOperatingLeaseLiabilityPaymentsDueYearSix


Lessee
Period End2020-09-30
Value56
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearSix100.0

iqv:LineOfCreditFacilityAdditionalBorrowingCapacity us-gaap:CreditFacility, us-gaap:DebtInstrument

iqv:LineOfCreditFacilityAdditionalBorrowingCapacity

us-gaap:RevolvingCreditFacility, iqv:AccountsReceivableFinancingFacility


Line
Period End2020-12-31
Value60
Percentage of LineOfCreditFacilityAdditionalBorrowingCapacity100.0

iqv:LongTermInvestmentsExcludingEquityMethodInvestments

iqv:LongTermInvestmentsExcludingEquityMethodInvestments


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value747478788072654741
Percentage of LongTermInvestmentsExcludingEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0

iqv:OtherAssetsCurrentAndReceivables

iqv:OtherAssetsCurrentAndReceivables


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value634593563445456431451346339329322
Percentage of OtherAssetsCurrentAndReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

iqv:PercentageOfReceivables iqv:UnBilledServiceType

iqv:PercentageOfReceivables

iqv:ContractAsset


Percentage
Period End2020-12-31
Value40.0
Percentage of PercentageOfReceivables100.0

iqv:UnbilledReceivable


Percentage
Period End2020-12-31
Value60.0
Percentage of PercentageOfReceivables150.0

iqv:PropertyEquipmentAndSoftwareNet

iqv:PropertyEquipmentAndSoftwareNet


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value167614131170985779
Percentage of PropertyEquipmentAndSoftwareNet100.0100.0100.0100.0100.0

iqv:PropertyEquipmentAndSoftwareNet us-gaap:StatementGeographical

country:US


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value13791130856623
Percentage of PropertyEquipmentAndSoftwareNet82.380.073.263.2

iqv:OtherAmericas


Property
Period End2020-12-312019-12-31
Value6662
Percentage of PropertyEquipmentAndSoftwareNet3.94.4

srt:Americas


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value14451192879650
Percentage of PropertyEquipmentAndSoftwareNet86.284.475.166.0

srt:AsiaPacific


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value70617076
Percentage of PropertyEquipmentAndSoftwareNet4.24.36.07.7

us-gaap:EMEA


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value161160221259254
Percentage of PropertyEquipmentAndSoftwareNet9.611.318.926.332.6

iqv:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue us-gaap:AwardType

iqv:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

iqv:CashSettledStockAppreciationRights


Share
Period End2020-12-31
Value15
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue100.0

iqv:StockSettledStockAppreciationRights


Share
Period End2020-12-31
Value280
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue1866.7

iqv:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageGrantPrice us-gaap:AwardType

iqv:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageGrantPrice

iqv:CashSettledStockAppreciationRights


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value73.4962.1557.9853.8752.42
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageGrantPrice100.0100.0100.0100.0100.0

iqv:StockSettledStockAppreciationRights


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value112.6694.3781.9772.4762.13
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageGrantPrice153.3151.8141.4134.5118.5

iqv:TradeAccountsReceivableAndUnbilledServicesNet

iqv:TradeAccountsReceivableAndUnbilledServicesNet


Trade
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value227623612410241423712634258225142394
Percentage of TradeAccountsReceivableAndUnbilledServicesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableAndOtherAccruedLiabilitiesCurrent

us-gaap:AccountsPayableAndOtherAccruedLiabilitiesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value27562819281324612295238425122190213921222295
Percentage of AccountsPayableAndOtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value230723922444244423902650259825272414247424092310218622672008187218581792172112131270117911681131109110079771034966950925897869780747
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedProfessionalFeesCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value928091766910.0
Percentage of AccruedProfessionalFeesCurrent100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value313134301916161313131512141715131313145.621124.3312.2842.2941.6511.5641.9982.0122.0471.7461.6962.2311.8471.5991.969
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AociTaxAttributableToParent

us-gaap:AociTaxAttributableToParent


Aoci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312012-12-31
Value-283000000.0-259000000.0-323000000.0-248000000.0-172000000.0-140000000.0-156000000.0-119000000.0-175000000.0-149000000.0-177000000.0-176000000.0-188000000.0-258000000.0-219000000.0-162000000.0-105000000.0-23000000.0-22000000.0-41920000.0-43047000.0-36744000.0-33428000.0-34586000.0-30499000.0-25644000.0-29693000.0
Percentage of AociTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value13712612210510180796969686352494746444343404038360.3950.4820.5850.5630.8311.0451.0554.9467.6684.6312.4962.4952.427
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-06-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1.03.05.01.01.04.01.06.09.0161210.06.06.06.09.0122.3252.8063.1413.953.1130.465
Percentage of AssetsFairValueDisclosure0.72.44.11.01.05.11.48.814.330.824.521.313.013.614.020.930.0397.4266.063.551.567.219.2

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


Assets
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value17987178081787818519173851719911061134116711721175797802809824759760298779622626
Percentage of AssetsFairValueDisclosure14743.422541.828377.840258.740430.242997.52745.42971.83158.3296886.1243796.7136393.2142468.997448.978880.471962.115374.03887.616832.224943.925118.2

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value13812912710610281836970747268615752504952524038360.3950.4822.910.5630.8351.0584.2568.561117.8352.532.5352.921
Percentage of AssetsFairValueDisclosure100.7102.4104.1101.0101.0101.2105.1100.0101.4108.8114.3130.8124.5121.3113.0113.6114.0120.9130.0100.0100.0100.0100.0100.0497.4100.0100.5101.2403.4173.1154.3169.2101.4101.6120.4

us-gaap:BilledContractReceivables

us-gaap:BilledContractReceivables


Billed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value114611591181115211051309131211761120120212791089107712351229104410871027998552624531553556506451444474440435408398377334346
Percentage of BilledContractReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions


Business
Period End2020-12-312019-12-312018-12-31
Value9918615
Percentage of BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions


Business
Period End2020-12-312019-12-31
Value101271
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions, us-gaap:ComputerSoftwareIntangibleAsset


Business
Period End2020-12-312019-12-31
Value8.035
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles7.912.9

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions, us-gaap:CustomerRelationships


Business
Period End2020-12-312019-12-31
Value90216
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles89.179.7

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions, us-gaap:NoncompeteAgreements


Business
Period End2020-12-312019-12-31
Value2.06.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles2.02.2

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions, us-gaap:TradeNames


Business
Period End2020-12-312019-12-31
Value1.03.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles1.01.1

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Cash
Period End2020-12-312020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302017-12-312016-12-31
Value18149278378639368918279591198
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1.03.01.01.012
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations0.10.40.10.11.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312013-09-302013-06-302013-03-312012-12-312012-02-29
Value123511230712600124101218112100117051160511453113321105610671107821048810269980072192000200024002400300
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:Currency, us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType

currency:EUR, iqv:OnePointSevenFivePercentageSeniorNotes, us-gaap:DebtInstrumentRedemptionPeriodFour, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-31
Value653645
Percentage of DebtInstrumentCarryingAmount5.35.2

currency:EUR, iqv:ThreePointTwoFivePercentageSeniorNotes, us-gaap:DebtInstrumentRedemptionPeriodThree, us-gaap:SeniorNotes


Debt
Period End2020-12-312020-09-302019-12-31
Value174816711598
Percentage of DebtInstrumentCarryingAmount13.913.513.7

currency:EUR, iqv:TwoPointEightSevenFivePercentageSeniorNotes, iqv:DebtInstrumentRedemptionPeriodSeven, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value845834872834
Percentage of DebtInstrumentCarryingAmount6.86.86.96.7

currency:EUR, iqv:TwoPointEightSevenFivePercentageSeniorNotes, us-gaap:DebtInstrumentRedemptionPeriodThree, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value499493515492471
Percentage of DebtInstrumentCarryingAmount4.04.04.14.04.0

currency:EUR, iqv:TwoPointTwoFivePercentageSeniorNotes, iqv:DebtInstrumentRedemptionPeriodEight, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-31
Value10691056
Percentage of DebtInstrumentCarryingAmount8.78.6

currency:EUR, iqv:TwoPointTwoFivePercentageSeniorNotes, iqv:DebtInstrumentRedemptionPeriodSeven, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value855844883844808
Percentage of DebtInstrumentCarryingAmount6.96.97.06.86.9

currency:USD, iqv:TwoPointEightSevenFivePercentageSeniorNotes, iqv:DebtInstrumentRedemptionPeriodSeven, us-gaap:SeniorNotes


Debt
Period End2020-12-31
Value872
Percentage of DebtInstrumentCarryingAmount6.9

us-gaap:DebtInstrumentCarryingAmount us-gaap:Currency, us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:VariableRate

currency:EUR, iqv:SeniorSecuredAdditionalTermBLoan, us-gaap:DebtInstrumentRedemptionPeriodThree, iqv:EURIBOR


Debt
Period End2020-12-312019-12-31
Value697644
Percentage of DebtInstrumentCarryingAmount5.55.5

currency:EUR, iqv:SeniorSecuredAdditionalTermBLoan, us-gaap:DebtInstrumentRedemptionPeriodThree, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value671665697668642630644628656649664675681
Percentage of DebtInstrumentCarryingAmount5.45.45.55.45.35.25.55.45.75.76.06.36.3

currency:EUR, iqv:SeniorSecuredTermALoan, us-gaap:DebtInstrumentRedemptionPeriodOne, iqv:EURIBOR


Debt
Period End2020-12-312019-12-31
Value400387
Percentage of DebtInstrumentCarryingAmount3.23.3

currency:EUR, iqv:SeniorSecuredTermALoan, us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value377377400388377374387382403403416428436460453419
Percentage of DebtInstrumentCarryingAmount3.13.13.23.13.13.13.33.33.53.63.84.04.04.44.45.8

currency:EUR, iqv:SeniorSecuredTermBLoan, us-gaap:DebtInstrumentRedemptionPeriodTwo, iqv:EURIBOR


Debt
Period End2020-12-312019-12-31
Value14131306
Percentage of DebtInstrumentCarryingAmount11.211.2

currency:EUR, iqv:SeniorSecuredTermBLoan, us-gaap:DebtInstrumentRedemptionPeriodTwo, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value13611347141313541300127713061274133113161346136913811423
Percentage of DebtInstrumentCarryingAmount11.010.911.210.910.710.611.211.011.611.612.212.812.813.9

currency:USD, iqv:AccountsReceivableFinancingFacility, us-gaap:DebtInstrumentRedemptionPeriodFive, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value240240240300300300300300300300300275275275
Percentage of DebtInstrumentCarryingAmount1.92.01.92.42.52.52.62.62.62.62.72.62.62.7

currency:USD, iqv:SeniorSecuredAdditionalTermBLoan, us-gaap:DebtInstrumentRedemptionPeriodThree, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value922924926929931933936938940943945948950
Percentage of DebtInstrumentCarryingAmount7.57.57.37.57.67.78.08.18.28.38.58.98.8

currency:USD, iqv:SeniorSecuredTermALoan, us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value708718728739749760770780791801812822833833844888
Percentage of DebtInstrumentCarryingAmount5.75.85.86.06.16.36.66.76.97.17.37.77.77.98.212.3

currency:USD, iqv:SeniorSecuredTermBLoan, us-gaap:DebtInstrumentRedemptionPeriodThree, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value72272472672872973173373573773974174374411851188
Percentage of DebtInstrumentCarryingAmount5.85.95.85.96.06.06.36.36.46.56.77.06.911.311.6

currency:USD, iqv:SeniorSecuredTermBLoan, us-gaap:DebtInstrumentRedemptionPeriodTwo, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5355355355355355355355355355355355355351188
Percentage of DebtInstrumentCarryingAmount4.34.34.24.34.44.44.64.64.74.74.85.05.011.6

currency:USD, iqv:SeniorSecuredTermLoanAAt275Percent, us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value7447557667787890.0
Percentage of DebtInstrumentCarryingAmount6.06.16.16.36.50.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument

iqv:SeniorSecuredCreditFacilities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value60006000619261006100614056725393641160795680577053195185
Percentage of DebtInstrumentCarryingAmount48.648.849.149.250.150.748.947.156.655.053.253.550.750.5

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DebtInstrumentFairValue

iqv:FairValueInputsLevel1AndLevel2


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value12439123921274612443121351175111925117921162311398108501070110432
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value6471677174676063544549525442444619
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value105107114125123120119
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value12211260124713852780101108109122
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value1303999846765889201200195216
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value23124624427824241434982
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value647951823212171210
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value36933230017026716
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value228168181189273123130
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value5036233016411151212
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value474395330343303
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value654557476507469
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation138.0141.0144.2147.8154.8

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2345365545
Percentage of DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value7.011171513
Percentage of DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent30.424.447.227.328.9

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2.840.03520.04420.03690.0417
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1.020.01450.01980.0190.0168
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate35.941.244.851.540.3

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3.00.030.030.030.03
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2.550.02780.0320.04540.0517
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease85.092.7106.7151.3172.3

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanBenefitObligation

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value481401335349308
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value693591513559508154
Percentage of DefinedBenefitPlanBenefitObligation144.1147.4153.1160.2164.90.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value274
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value42
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value48
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value47
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value44
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value42
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear


Defined
Period End2020-12-31
Value32
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear100.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets

us-gaap:FairValueInputsLevel1, country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value126124114131113
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel1, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6.04.04.02.02.0
Percentage of DefinedBenefitPlanFairValueOfPlanAssets4.83.23.51.51.8

us-gaap:FairValueInputsLevel2, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value346301259293265
Percentage of DefinedBenefitPlanFairValueOfPlanAssets274.6242.7227.2223.7234.5

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:RetirementPlanSponsorLocation

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value455401330360312
Percentage of DefinedBenefitPlanFairValueOfPlanAssets361.1323.4289.5274.8276.1

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value475418366391348
Percentage of DefinedBenefitPlanFairValueOfPlanAssets377.0337.1321.1298.5308.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value455401330360312
Percentage of DefinedBenefitPlanFairValueOfPlanAssets361.1323.4289.5274.8276.1

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value47541836639134887
Percentage of DefinedBenefitPlanFairValueOfPlanAssets377.0337.1321.1298.5308.00.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312018-12-312017-12-312016-12-31
Value-26.0-5.0114.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-218.0-173.0-147.0-168.0-160.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan838.50.02940.0-1527.3-4000.0

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value5.04.03.03.0
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value38633559309
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets7720.08375.01966.710300.0

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value53494346
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value610519223492
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation1150.91059.2518.61069.6

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5247434543
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value572485189442409
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation1100.01031.9439.5982.2951.2

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5.04.03.03.02.0
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value38433459301271
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets7680.08350.01966.710033.313550.0

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1


Defined
Period End2020-12-31
Value4.5
Percentage of DefinedBenefitPlanUltimateHealthCareCostTrendRate1100.0

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations

iqv:DefinedBenefitPlanAssetCategoriesOtherAssets, us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value37.230.370.3860.37430.3949
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanDebtSecurity, country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value23.880.24130.27340.2521
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations64.165.270.867.4

us-gaap:DefinedBenefitPlanDebtSecurity, us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value20.080.19220.16180.1465
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations53.951.941.939.1

us-gaap:DefinedBenefitPlanEquitySecurities, country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value71.150.70820.67580.6986
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations191.1191.4175.1186.6

us-gaap:DefinedBenefitPlanEquitySecurities, us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value42.690.42880.45220.4792
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations114.7115.9117.2128.0

us-gaap:DefinedBenefitPlanRealEstate, country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.970.05050.05080.0493
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations13.313.613.213.2

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

iqv:DefinedBenefitPlanAssetCategoriesOtherAssets, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value19.020.19330.20280.19490.2083
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations51.152.252.552.152.7

us-gaap:DefinedBenefitPlanDebtSecurity, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value21.940.21620.21480.1971
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations58.958.455.652.7

us-gaap:DefinedBenefitPlanEquitySecurities, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value56.620.56560.55830.5844
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations152.1152.9144.6156.1

us-gaap:DefinedBenefitPlanRealEstate, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.430.02480.02410.0236
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations6.56.76.26.3

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1.03.05.01.01.01.04.01.06.09.0161210.06.06.06.09.012
Percentage of DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

iqv:OtherCurrentAssetsAndLiabilities, us-gaap:ForeignExchangeForward, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1.03.05.01.01.01.04.04.05.07.06.05.05.011
Percentage of DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0100.066.755.643.850.050.083.391.7

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.03.05.01.01.01.04.0
Percentage of DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value1.03.05.01.01.04.0
Percentage of DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value424456616555304036221710.010.013131919152511
Percentage of DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

iqv:OtherAssetsAndLiabilities, us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value424455596050273329169.01.0
Percentage of DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral100.0100.098.296.792.390.990.082.580.672.752.97.7

iqv:OtherCurrentAssetsAndLiabilities, us-gaap:ForeignExchangeForward, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1.03.03.00.04.02.01.03.04.04.06.04.09.0
Percentage of DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral1.64.65.50.010.05.64.517.640.040.046.230.836.0

us-gaap:OtherLiabilities, us-gaap:InterestRateSwap, us-gaap:Nondesignated


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.01.02.02.03.03.04.05.05.06.06.07.08.08.08.07.0
Percentage of DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral1.81.63.13.610.07.511.122.729.460.060.053.861.542.142.146.7

us-gaap:DerivativeLiabilities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilities

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value424456616530
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value424456616530
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-02-29
Value8526876606566104004034373608.9
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2020-12-31
Value105
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312013-09-302013-06-302013-03-312012-12-31
Value8488848573718796104981017023222119
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

iqv:Helparound


Equity
Period End2020-12-312019-12-31
Value3.04.0
Percentage of EquityMethodInvestments3.64.6

iqv:Inteliquet


Equity
Period End2020-12-312019-12-312018-12-31
Value161820
Percentage of EquityMethodInvestments19.020.719.8

iqv:LongwoodFundVLP


Equity
Period End2020-12-31
Value1.0
Percentage of EquityMethodInvestments1.2

iqv:NostraDataPtyLtd


Equity
Period End2020-12-312019-12-312018-12-312017-12-312015-11-30
Value188.07.08.010
Percentage of EquityMethodInvestments21.49.26.911.40.0

iqv:NovaQuestPharmaOpportunitiesFundFiveLp


Equity
Period End2020-12-312019-12-312018-12-31
Value171314
Percentage of EquityMethodInvestments20.214.913.9

iqv:NovaQuestPharmaOpportunitiesFundFourLp


Equity
Period End2020-12-312019-12-312018-12-312017-12-31
Value8.08.0137.0
Percentage of EquityMethodInvestments9.59.212.910.0

iqv:NovaQuestPharmaOpportunitiesFundThreeLp


Equity
Period End2020-12-312019-12-312018-12-312017-12-31
Value7.0193033
Percentage of EquityMethodInvestments8.321.829.747.1

iqv:NovaQuestPrivateEquityFundOneLp


Equity
Period End2020-12-312019-12-312018-12-31
Value3.04.04.0
Percentage of EquityMethodInvestments3.64.64.0

iqv:OtherUnconsolidatedAffiliates


Equity
Period End2020-12-312019-12-312018-12-312017-12-31
Value11139.08.0
Percentage of EquityMethodInvestments13.114.98.911.4

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisObligations us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisObligations

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value86109119108111113
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisObligations100.0100.0100.0100.0100.0100.0

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisObligations us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value86109119108111113
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisObligations100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue us-gaap:FairValueByLiabilityClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

iqv:ContingentConsideration


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value8610911910811198113113108137123102566069184.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2020-12-312020-09-302020-06-302020-03-31
Value12212012058
Percentage of FinanceLeaseLiability100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2020-12-312020-09-30
Value122120
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-31
Value159
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-31
Value6000000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-312020-09-30
Value6163
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value4519332923471386474278231212166
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

iqv:ClientRelationshipsAndBacklog


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value17451303863474125
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization38.639.136.834.226.4

us-gaap:ComputerSoftwareIntangibleAsset


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value915665543382247196170139111
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization20.220.023.127.652.170.673.765.867.3

us-gaap:Databases


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1629118582346887
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization36.035.635.133.818.4

us-gaap:NoncompeteAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-31
Value181810.03.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.40.50.40.2

us-gaap:TrademarksAndTradeNames


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312014-12-312013-12-312012-12-31
Value21215810859156.3993732
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization4.74.74.64.33.22.817.719.8

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value1062
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value409
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value508
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value605
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value708
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value97068825828079596737518401400329
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

iqv:ClientRelationshipsAndBacklog


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value50954809462046043983
Percentage of FiniteLivedIntangibleAssetsGross52.554.555.857.859.1

us-gaap:ComputerSoftwareIntangibleAsset


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value210916201279927619279260232201
Percentage of FiniteLivedIntangibleAssetsGross21.718.415.411.69.253.964.758.161.3

us-gaap:Databases


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value19301836182818761742
Percentage of FiniteLivedIntangibleAssetsGross19.920.822.123.625.9

us-gaap:NoncompeteAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value283227249.0
Percentage of FiniteLivedIntangibleAssetsGross0.30.40.30.30.1

us-gaap:TrademarksAndTradeNames


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312014-12-312013-12-312012-12-31
Value544528526528384185244
Percentage of FiniteLivedIntangibleAssetsGross5.66.06.46.65.74.613.013.4

us-gaap:ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months

us-gaap:ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months


Foreign
Period End2020-12-31
Value-14000000.0
Percentage of ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months100.0

us-gaap:GoodwillFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:GoodwillFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


Goodwill
Period End2020-12-31
Value12654
Percentage of GoodwillFairValueDisclosure100.0

us-gaap:IncomeTaxesReceivable

us-gaap:IncomeTaxesReceivable


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value6964567853495665646569665245475641283426212234566444451716161616262017
Percentage of IncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value55534545425.1150.2740.2780.368
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value159
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2020-09-30
Value44
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value424456616555304036221710.010.013131919152522302010112.40318191920222427293434
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value8610911910811198113113108137123102566069635318184.54.5134.4434.3747.4547.3382.7391.4524.443131213163.4083.343.521
Percentage of LiabilitiesFairValueDisclosure204.8247.7212.5177.0170.8178.2376.7282.5300.0622.7723.51020.0560.0461.5530.8331.6278.9120.072.019.814.721.240.264.6305.415.07.622.764.457.152.560.611.59.810.4

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1281531751691761531431531441591401126673828272334327352515189.74121202433353743333737
Percentage of LiabilitiesFairValueDisclosure304.8347.7312.5277.0270.8278.2476.7382.5400.0722.7823.51120.0660.0561.5630.8431.6378.9220.0172.0119.8114.7121.2140.2164.6405.4115.0107.6122.7164.4157.1152.5160.6111.5109.8110.4

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:LineOfCredit, iqv:BankCreditFacility


Line
Period End2020-12-31
Value14
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:DebtInstrument

iqv:SeniorSecuredCreditFacilities


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value75007500769276007600754067726893688669597020706056855656
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity0.00.054942.90.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:StandbyLettersOfCredit


Line
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value15001500150015003.0
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:StandbyLettersOfCredit, iqv:SeniorSecuredCreditFacilities


Line
Period End2020-12-31
Value4.0
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:DebtInstrument

iqv:SeniorSecuredCreditFacilities


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-31
Value150015001496150015001397880
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.00.0100.0100.046566.70.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-312020-09-30
Value39058216
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2021-06-302021-03-312020-12-31
Value388388149
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value4717468445151867
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value3586356019271699
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value188518681715446
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value17041700389146
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear


Long
Period End2021-06-302021-03-312020-09-30
Value7110736
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear100.0100.0100.0

us-gaap:LongTermDebtPercentageBearingFixedInterestRate us-gaap:DerivativeInstrumentRisk

us-gaap:LongTermDebtPercentageBearingFixedInterestRate

us-gaap:InterestRateSwap


Long
Period End2020-12-31
Value66.0
Percentage of LongTermDebtPercentageBearingFixedInterestRate100.0

us-gaap:LongTermDebtPercentageBearingVariableInterestRate us-gaap:DerivativeInstrumentRisk

us-gaap:LongTermDebtPercentageBearingVariableInterestRate

us-gaap:InterestRateSwap


Long
Period End2020-12-31
Value34.0
Percentage of LongTermDebtPercentageBearingVariableInterestRate100.0

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

us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners

iqv:QuestDiagnosticsIncorporated, iqv:Q2Solutions


Minority
Period End2020-12-31
Value40.0
Percentage of MinorityInterestOwnershipPercentageByNoncontrollingOwners100.0

us-gaap:MinorityInterestOwnershipPercentageByParent us-gaap:Ownership

us-gaap:MinorityInterestOwnershipPercentageByParent

iqv:Q2Solutions


Minority
Period End2020-12-31
Value60.0
Percentage of MinorityInterestOwnershipPercentageByParent100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value3.784.040.04110.0420.04314.260.0426
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

country:US, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2.02.02.02.01.0
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1513118.09.0
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities750.0650.0550.0400.0900.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent

us-gaap:OtherPensionPlansDefinedBenefit


Pension
Period End2020-12-31
Value1.0
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent100.0

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value17815915916514617313815018015315115415814814614615313412357665550515759445156524242484133
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserve

us-gaap:RestructuringReserve


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value40465365576367534961748581888479909710215311313147.3536.916.0833.4862.9953.7685.4749.7175.5247.3871214
Percentage of RestructuringReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserve us-gaap:RestructuringCostAndReserve

iqv:SeveranceAndRelatedCosts


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value3944516355616450464447687684809912
Percentage of RestructuringReserve97.595.796.296.996.596.895.594.393.972.163.580.093.895.595.297.188.5

us-gaap:FacilityClosing


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.02.02.02.02.02.03.03.03.01727175.04.0
Percentage of RestructuringReserve2.54.33.83.13.53.24.55.76.127.936.520.06.24.8

us-gaap:RestructuringReserveCurrent

us-gaap:RestructuringReserveCurrent


Restructuring
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value53677484102136.083
Percentage of RestructuringReserveCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligation


Revenue
Period End2021-06-302021-03-312020-12-312020-09-30
Value26200261002530023600
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligationPercentage

us-gaap:RevenueRemainingPerformanceObligationPercentage


Revenue
Period End2021-06-302021-03-312020-12-312020-09-30
Value35.035.030.030.0
Percentage of RevenueRemainingPerformanceObligationPercentage100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

iqv:CashSettledRestrictedStockUnits


Share
Period End2020-12-312019-12-312018-12-312017-12-31
Value143.06117.7196.795.98
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0

iqv:StockSettledRestrictedStockUnits


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value143.23115.983.676.7174.4
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.198.586.579.90.0

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312016-12-312015-12-31
Value136.96107.1864.9364.93
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue95.791.10.00.0

us-gaap:RestrictedStock


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value78.2178.2179.0479.0580.2
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue54.766.481.782.40.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

iqv:StockIncentivePlan


Share
Period End2020-12-31
Value10
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value70174211261299203271235142
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value70174211260298
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding

iqv:CashSettledRestrictedStockUnits


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.53.01.60.9
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding100.0100.0100.0100.0

iqv:CashSettledStockAppreciationRights


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1616141511
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding457.1533.3875.01666.70.0

iqv:StockSettledRestrictedStockUnits


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-31
Value1036545107
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding2942.92166.72812.511888.9

iqv:StockSettledStockAppreciationRights


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2822601427418
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding8057.18666.78875.08222.20.0

us-gaap:PerformanceShares


Sharebased
Period End2020-12-312015-12-31
Value1413.4
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding4028.60.0

us-gaap:RestrictedStock


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2329514328245.52.6
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding657.1983.33187.54777.80.00.00.00.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1

iqv:ExercisePriceRangeFive


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-31
Value64.9264.9264.9265.31
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1100.0100.0100.0100.0

iqv:ExercisePriceRangeFour


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-31
Value64.6760.0156.2456.09
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice199.692.486.685.9

iqv:ExercisePriceRangeOne


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-31
Value23.728.3410.6411.15
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice136.512.816.417.1

iqv:ExercisePriceRangeThree


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-31
Value57.2536.0431.6833.52
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice188.255.548.851.3

iqv:ExercisePriceRangeTwo


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-31
Value42.2617.8122.7224.21
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice165.127.435.037.1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1

iqv:ExercisePriceRangeFive


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-31
Value64.9264.9265.0665.28
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1100.0100.0100.0100.0

iqv:ExercisePriceRangeFour


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-31
Value64.6760.7657.9157.72
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance199.693.689.088.4

iqv:ExercisePriceRangeOne


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-31
Value23.728.3410.6411.15
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance136.512.816.417.1

iqv:ExercisePriceRangeThree


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-31
Value57.2536.0431.6833.07
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance188.255.548.750.7

iqv:ExercisePriceRangeTwo


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-31
Value42.2617.8122.7224.21
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance165.127.434.937.1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 us-gaap:ShareRepurchaseProgram

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

iqv:EquityRepurchaseUnderRepurchaseProgram


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302018-12-312017-12-31
Value80090090010001000285182
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0100.0100.0100.0100.0100.0100.0

us-gaap:TranslationAdjustmentForNetInvestmentHedgeNetOfTax

us-gaap:TranslationAdjustmentForNetInvestmentHedgeNetOfTax


Translation
Period End2021-06-302021-03-312020-12-312020-09-30
Value206285561273
Percentage of TranslationAdjustmentForNetInvestmentHedgeNetOfTax100.0100.0100.0100.0

us-gaap:TreasuryStockCommonShares

us-gaap:TreasuryStockCommonShares


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value646363626262605856555441
Percentage of TreasuryStockCommonShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockCommonShares us-gaap:ConsolidatedEntities

srt:ParentCompany


Treasury
Period End2020-12-312019-12-312018-12-31
Value636054
Percentage of TreasuryStockCommonShares100.0100.0100.0

us-gaap:TreasuryStockCommonValue

us-gaap:TreasuryStockCommonValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value627362286166606560656065573354645151491547703374
Percentage of TreasuryStockCommonValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockCommonValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Treasury
Period End2020-12-312019-12-312018-12-312017-12-31
Value6166573347703374
Percentage of TreasuryStockCommonValue100.0100.0100.0100.0

us-gaap:UnbilledContractsReceivable

us-gaap:UnbilledContractsReceivable


Unbilled
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value11611233126312921285134112861351129412721130122111091032779828771765723660645648614574584556532559525515516499491446400
Percentage of UnbilledContractsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UndistributedEarningsOfForeignSubsidiaries


Undistributed
Period End2020-12-312014-12-312013-12-312012-12-31
Value4075271844
Percentage of UndistributedEarningsOfForeignSubsidiaries100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value21181618112.94.83.62.8
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowancesAndReservesBalance us-gaap:ValuationAllowancesAndReservesType

us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:ValuationAllowanceOfDeferredTaxAssets


Valuation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3062662262001532224293231
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents
(None,)
Common Stock Shares Outstandingus-gaap: Statement Equity Components
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amountus-gaap: Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities
Gross Margin
us-gaap:StatementBusinessSegments
(None,)
Gross  Marginus-gaap: Statement Business Segments
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization
us-gaap:StatementBusinessSegments
(None,)
Cost Of Goods And Service Excluding Depreciation Depletion And Amortizationus-gaap: Statement Business Segments
us-gaap:GrossProfit
us-gaap:StatementBusinessSegments
(None,)
Gross Profitus-gaap: Statement Business Segments
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementGeographical
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Statement Geographical
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementBusinessSegments
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Statement Business Segments
us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Selling General And Administrative Expenseus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:Goodwill
us-gaap:StatementBusinessSegments
(None,)
Goodwillus-gaap: Statement Business Segments
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
(None, 'us-gaap:PensionPlansDefinedBenefit')
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrentus-gaap: Retirement Plan Sponsor Location, us-gaap: Retirement Plan Type
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components