DGX


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

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesAuthorized
us-gaap:StatementEquityComponents
us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostOfRevenue

us-gaap:CostsAndExpenses

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:IncomeTaxesPaid

us-gaap:InterestExpense

us-gaap:InterestIncomeExpenseNet

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
us-gaap:StatementBusinessSegments

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets
us-gaap:NatureOfExpense

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:BusinessAcquisition

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:DividendsPayableCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:LongTermDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValue

us-gaap:MinorityInterest

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:AcceleratedShareRepurchasesDate
dgx:AcceleratedShareRepurchasesInitialPricePaid
us-gaap:AcceleratedShareRepurchasesDate, us-gaap:StatementEquityComponents
dgx:AmountRecordedInAdditionalPaidInCapitalThatWillBeIncludedInTreasuryStockUponCompletionOfTheAcceleratedShareRepurchaseAgreements
us-gaap:SubsequentEventType
dgx:CARESActFundsDecidedToBeReturned

dgx:CARESActRelatedExpensesOrLostRevenuesAmountReceivedFromSecondaryTranche

dgx:ChargesDueToCOVID19
us-gaap:IncomeStatementLocation
us-gaap:NatureOfExpense
us-gaap:RestructuringCostAndReserve
us-gaap:BusinessAcquisition
dgx:EffectiveTaxRateOnRemeasurementInAcquisition

dgx:FairValueOfNetAssetsAcquired

dgx:GainLossRecognizedByEquityMethodInvesteeToAdjustCertainInvestmentsToFairValuePartiallyOffsetByALossOnRetirementOfDebt
us-gaap:IncomeStatementLocation
us-gaap:NatureOfExpense

dgx:Mergerconsiderationpaidpayablenet

dgx:NetIncomeLossExcludingPortionAttributableToNoncontrollingInterestAndExcludingRedeemableNoncontrollingInterest
us-gaap:StatementEquityComponents

dgx:NetIncomeLossExcludingRedeemableNoncontrollingInterest
us-gaap:StatementEquityComponents
us-gaap:AcceleratedShareRepurchasesDate
dgx:PercentOfTotalValueOfSharesReceivedAtExecutionOfAcceleratedShareRepurchaseAgreements
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
dgx:PercentageofNetRevenues
us-gaap:Range, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments, us-gaap:Subsegments

dgx:RestructuringIntegrationCharges
us-gaap:IncomeStatementLocation
us-gaap:RestructuringCostAndReserve

dgx:ReversalOfIncomeRecognizedDueToReceiptOfInitialTrancheOfFundsFromTheCARESAct
us-gaap:IncomeStatementLocation
dgx:ReversalOfRecognitionOfCARESActProceeds

dgx:Sharebasedcompensationexcesstaxbenefitamount

dgx:TemporaryequityNoncontrollinginterestDecreasefromDistributionstoNoncontrollingInterestHolders
us-gaap:AcceleratedShareRepurchasesDate
dgx:ValueOfSharesToBeReceivedUnderAcceleratedShareRepurchaseAgreementsAtExecution

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain
us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CashAcquiredFromAcquisition
us-gaap:BusinessAcquisition

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
us-gaap:IncomeStatementLocation
us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:ContractWithCustomerAssetCreditLossExpense
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:CurrentIncomeTaxExpenseBenefit

us-gaap:Depreciation
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation
us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal
us-gaap:StatementScenario, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:IncomeStatementLocation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements

us-gaap:FairValueOfAssetsAcquired

us-gaap:GoodwillPeriodIncreaseDecrease

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestPaid

us-gaap:LiabilitiesAssumed1

us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireBusinessesGross
us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ProceedsFromDividendsReceived

us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:ProceedsFromSaleOfEquityMethodInvestments

us-gaap:ProceedsFromStockOptionsExercised
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:IncomeStatementLocation, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty

us-gaap:RepaymentsOfDebt
us-gaap:RestructuringCostAndReserve
us-gaap:RestructuringCharges
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:SeveranceCosts1
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:AcceleratedShareRepurchasesDate, us-gaap:StatementEquityComponents
us-gaap:StockholdersEquityPeriodIncreaseDecrease

us-gaap:TemporaryEquityNetIncome
us-gaap:AcceleratedShareRepurchasesDate, us-gaap:StatementEquityComponents
us-gaap:TreasuryStockSharesAcquired
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

dgx:AccountsPayableAndAccruedLiabilitiesCurrentCARESActProceeds

dgx:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxes
us-gaap:BusinessAcquisition
dgx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedWorkingCapital
us-gaap:BusinessAcquisition
dgx:BusinessCombinationStepAcquisitionEquityInterestInAcquireeDicountRateUsedToDetermineFairValue
us-gaap:BusinessAcquisition
dgx:BusinessCombinationStepAcquisitionEquityInterestInAcquireeLongTermGrowthRateUsedToDetermineFairValue

dgx:DebtInstrumentFairValueBasisAdjustmentAttributableToHedgedDebt
us-gaap:Range, us-gaap:StatementScenario, us-gaap:LongtermDebtType
dgx:DebtInstrumentLeverageRatioRequirement

dgx:DeferredTaxAssetsOperatingLeaseLiabilitiesNoncurrent

dgx:DeferredTaxAssetsTaxDeferredExpenseReservesandAccrualsAccountsReceivables

dgx:DeferredTaxLiabilityInvestmentsInvestmentsinSubsidiariesandEquitymethodinvestments
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
dgx:EquityMethodInvestmentOwnershipPercentDisposedOf
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:SubsequentEventType

dgx:FiniteLivedIntangibleAssetsEstimatedAmortizationExpenseTotal
us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation
dgx:FundsinatrustpertainingtoallparticipantdeferralsandcompanymatchingamountsrelatedtotheSDCP
us-gaap:SubsequentEventType
dgx:IncreaseDecreaseinCommonStockDividendsDeclaredasPercent

dgx:LeaseLiability

dgx:LeaseRightofUseAsset

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDue

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueNextTwelveMonths

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearFive

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearFour

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearThree

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearTwo

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueafterYearFive

dgx:LesseeOperatingandFinanceLeaseLiabilityUndiscountedExcessAmount

dgx:LongTermDebtMaturitiesGross

dgx:LongTermDebtMaturityAfterYearFour

dgx:NetOperatingLossCarryfowardsNetOfValuationAllowance

dgx:OperatingandFinanceLeaseLiability
us-gaap:BalanceSheetLocation, us-gaap:RelatedPartyTransactionsByRelatedParty
dgx:OtherAccountsReceivableRelatedParties
us-gaap:StatementBusinessSegments
dgx:PercentageofNetAccountsReceivable
us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:StatementBusinessSegments, us-gaap:Subsegments
dgx:PercentageofReceivablesDueFromPatients

dgx:UnrecordedUnconditionalPurchaseObligationDuewithinTwoandThreeYears
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AccountsPayableRelatedPartiesCurrentAndNoncurrent

us-gaap:AccountsPayableTradeCurrent
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AccountsReceivableRelatedParties

us-gaap:AccruedIncomeTaxes

us-gaap:AccruedInsuranceCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivable

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

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:BankOverdrafts

us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:MeasurementInputType
us-gaap:BusinessCombinationContingentConsiderationLiabilityMeasurementInput
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage
us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation
us-gaap:CashSurrenderValueFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:DebtInstrumentFairValue

us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible
us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation
us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent
us-gaap:FairValueByMeasurementFrequency

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

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

us-gaap:DividendsPayableCurrentAndNoncurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
us-gaap:Range
us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:EquityMethodInvestments

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease

us-gaap:IntangibleAssetsGrossExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:InterestPayableCurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:DebtInstrument
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LitigationReserve
us-gaap:FairValueByLiabilityClass

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:MalpracticeLossContingencyAccrualUndiscounted

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:DebtInstrument
us-gaap:OtherLongTermDebt

us-gaap:PrepaidTaxes

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount
us-gaap:Ownership
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:RedeemableNoncontrollingInterestEquityFairValue
us-gaap:FairValueByMeasurementFrequency

us-gaap:RestructuringReserve
us-gaap:BalanceSheetLocation
us-gaap:RestructuringCostAndReserve
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:TradingSecurities
us-gaap:FairValueByMeasurementFrequency
us-gaap:BalanceSheetLocation
us-gaap:TradingSecuritiesEquity

us-gaap:TreasuryStockShares

us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Interest Expense
Balance Sheet
Cash And Cash Equivalents At Carrying Value
Assets
Inventory Net
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Dividends Payable Current And Noncurrent
Current Liabilities
Long Term Debt Current
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Accounts Receivable
NetCashProvidedByUsedInInvestingActivities
Payments For Proceeds From Other Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Treasury Stock Shares
DividendsAndRepurchase
Dividends Common Stock Cash
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Interest Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
us-gaap:CommonStockValue ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄2.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.0
us-gaap:CommonStockSharesIssued ████████████▄▄▄▄▄▄▄▄▄▄▄▄▁▄▁▁217.0217.0217.0217.0217.0217.0217.0217.0217.0217.0217.0217.0216.0216.0216.0216.0216.0216.0216.0216.0216.0216.0216.0216.0215.0216.0215.0215.0
us-gaap:CommonStockSharesAuthorized ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0600.0
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▁▂▂▂▁▂▂▂▂▃▃▃▂▃▃▃▃▄▄▆▇▇▇▇▇█▇▇133.0135.0134.0134.0133.0135.0135.0134.0135.0136.0136.0136.0135.0136.0136.0137.0137.0139.0139.0141.0143.0144.0144.0144.0144.0145.0144.0144.0
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding NA137.0136.0135.0NA137.0136.0136.0NA139.0139.0139.0NA140.0140.0141.0NA142.0142.0144.0NA145.0145.0146.0NA145.0145.0145.0
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic NA135.0134.0134.0NA135.0135.0134.0NA136.0136.0136.0NA137.0137.0137.0NA139.0140.0143.0NA144.0144.0144.0NA145.0144.0144.0
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NA1.01.02.0NA2.05.04.0NA2.02.02.0NA2.02.01.0NA0.00.03.0NA2.02.01.0NA0.03.06.0
us-gaap:EarningsPerShareBasic ██▃▂▄▃▃▂▂▃▃▃▄▂▃▂▂▃▃▂▃▅▂▁▃▂▂▂4.284.21.380.741.881.591.671.220.931.561.61.31.861.181.41.191.111.371.380.711.312.370.820.421.30.890.920.72
us-gaap:EarningsPerShareDiluted ██▃▂▄▃▃▂▂▃▃▃▄▂▃▂▂▃▃▂▃▅▂▁▃▂▂▂4.214.141.360.731.861.561.661.20.921.531.571.271.821.151.371.161.091.341.370.71.292.350.810.421.290.880.920.71
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare ██▂▁▃▃▃▂▁▃▃▂4.2800000000000005e-064.2000000000000004e-061.38e-067.4e-071.8799999999999998e-061.59e-061.52e-061.22e-069.300000000000001e-071.56e-061.6000000000000001e-061.3e-06NANANANA1.1100000000000002e-061.37e-061.38e-067.2e-071.31e-062.37e-068.2e-074.2e-071.2700000000000001e-068.900000000000001e-079.200000000000001e-077.2e-07
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare ██▂▁▃▃▃▂▁▃▃▂4.21e-064.139999999999999e-061.3600000000000001e-067.3e-071.8600000000000002e-061.56e-061.51e-061.2e-069.200000000000001e-071.53e-061.57e-061.2700000000000001e-06NANANANA1.0900000000000002e-061.34e-061.37e-067.1e-071.29e-062.35e-068.100000000000001e-074.2e-071.26e-068.8e-079.200000000000001e-077.1e-07
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
 Operating Margin us-gaap:StatementBusinessSegments dgx:DiagnosticInformationServicesBusiness█▇▂▂▂▃▃▂▂▂▂▂▁▃▃▂▂▂▂▂▂▂▂▂2922.02709.01764.01744.01844.01877.01872.01812.01756.01810.01835.01803.01551.01850.01855.01812.01773.01800.01809.01756.01738.01764.01771.01692.0NANANANA
 Operating Margin us-gaap:StatementBusinessSegments us-gaap:AllOtherSegments▂▂▁▂▂▂▂▂▃▂▃▂▂▂▃▃▃▃▄▄▅▅█▇█▇▇▆80.077.063.078.082.079.081.079.083.079.084.081.078.081.088.087.088.085.097.0107.0111.0116.0154.0147.0151.0139.0139.0132.0
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
 TTM Greenblatt ROC _ _█▇▂▁▃▃▂▂▂▂▂▂▂▂▃▂▂▃▄▂▂▆▂▂▂▂▂▁795.0718.0283.0175.0363.0313.0307.0248.0220.0304.0305.0272.0269.0298.0319.0279.0276.0322.0422.0257.0239.0631.0301.0228.0257.0256.0262.0208.0
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
us-gaap:ComprehensiveIncomeNetOfTax ██▃▁▄▃▃▂▂▃▃▃▄▂▃▂▂▃▃▂▃▅▂▁▃▂▂▂600.0581.0188.080.0269.0218.0223.0168.0126.0212.0205.0184.0254.0173.0201.0168.0144.0187.0179.0100.0181.0336.0123.058.0178.0122.0136.0101.0
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest █▆▁▁▃▂▃▃▃▃▃▃▃▃▃▂▃▃▃▃▃▃▂▂▂▂▂▁30.023.08.07.012.011.013.012.012.014.014.012.013.014.014.011.012.013.014.012.012.012.011.09.010.010.09.07.0
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ██▃▁▄▃▃▂▂▃▃▃▃▂▃▂▂▃▃▂▃▄▂▁▃▂▂▂630.0604.0196.087.0281.0229.0236.0180.0138.0226.0219.0196.0267.0187.0215.0179.0156.0200.0193.0112.0193.0348.0134.067.0188.0132.0145.0108.0
us-gaap:CostOfRevenue █▆▂▃▃▃▃▃▂▂▃▂▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂▁1733.01580.01221.01270.01264.01264.01265.01244.01235.01222.01243.01226.01194.01190.01170.01165.01160.01157.01155.01144.01150.01162.01182.01163.01184.01178.01174.01101.0
us-gaap:CostsAndExpenses █▇▃▄▃▄▄▄▄▃▄▄▄▄▄▄▃▃▃▄▄▁▄▄▄▄▄▃2207.02068.01544.01647.01563.01643.01646.01643.01619.01585.01614.01612.01667.01633.01624.01620.01585.01563.01484.01606.01610.01249.01624.01611.01626.01648.01640.01538.0
us-gaap:GrossProfit █▇▂▁▂▂▂▂▂▂▂▂▃▃▃▃▂▃▃▃▂▃▃▂▂▃▃▂1269.01206.0606.0552.0662.0692.0688.0647.0604.0667.0676.0658.0742.0741.0773.0734.0701.0728.0751.0719.0699.0718.0743.0676.0699.0726.0728.0645.0
us-gaap:IncomeLossFromContinuingOperations ██▁579.0568.0185.0NA253.0215.0206.0NA127.0213.0219.0NANANANANA155.0192.0195.0103.0188.0342.0118.061.0185.0129.0133.0104.0
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ██▃▁▃▃▃▂▂▃▃▂▂▃▃▃▂▃▄▂▂▆▂▁▂▂758.0753.0255.0118.0328.0270.0265.0213.0167.0266.0264.0229.0234.0258.0292.0246.0242.0289.0383.0172.0206.0592.0200.0105.0216.0214.0NANA
us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest ██▂▁▃▃▃▂▁▃▃▂609.0591.0193.0106.0265.0226.0219.0176.0139.0227.0233.0189.0NANANANA167.0205.0209.0115.0200.0354.0129.070.0195.0139.0142.0111.0
us-gaap:IncomeTaxExpenseBenefit ▇▆▄▃▄▄▄▃▃▃▃▃▂▄▄▄▄▄▇▄▂█▄▃▁▄▄▄191.0177.066.026.072.062.063.050.040.048.042.052.0-23.092.094.078.084.095.0183.068.014.0239.078.042.0-44.082.087.065.0
us-gaap:IncomeTaxesPaid █▆▁▂▃▃▄▁▁▂▂▁▃▃▅▁▅▆▅▁▄▆▄▂▄▅▆▁192.0148.02.018.054.065.080.03.014.029.039.02.066.064.0105.08.099.0141.0117.04.070.0140.090.019.091.098.0129.09.0
us-gaap:InterestExpense ▄▅▅▅▇▇█▇▆▅▆▅▄▄▃▂▂▂▁▂▂▁▂▇▆▅▅▄40.042.042.042.044.045.046.045.043.042.043.041.039.039.038.037.036.037.035.036.036.035.037.045.043.042.042.040.0
us-gaap:InterestIncomeExpenseNet ▅▃▄▄▃▂▁▂▂▄▃▄▅▅▅▇▇▆█▇▇▇▆▁▃▄▃▅-39.0-42.0-41.0-41.0-42.0-44.0-45.0-44.0-43.0-41.0-42.0-41.0-39.0-38.0-38.0-36.0-36.0-37.0-34.0-36.0-36.0-35.0-37.0-45.0-42.0-41.0-42.0-39.0
us-gaap:NetIncomeLoss ██▃▂▄▃▃▂▂▃▃▃▄▂▃▂▂▃▃▂▃▅▂▁▃▂▂▂579.0568.0185.099.0253.0215.0226.0164.0127.0213.0219.0177.0254.0161.0193.0164.0155.0192.0195.0102.0188.0342.0118.061.0190.0129.0133.0104.0
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest █▆▁▁▃▂▃▃▃▃▃▃▃▃▃▂▃▃▃▃▃▃▂▂▂▂▂▁30.023.08.07.012.011.013.012.012.014.014.012.013.014.014.011.012.013.014.012.012.012.011.09.010.010.09.07.0
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted NANA184.099.0NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ▅█▅▄▅▄▄▅▄▅▄▄▅▅▅▅▅▅▅▂▅▅▂▁▅▅▅▅-37.035.0-28.0-57.0-35.0-43.0-42.0-35.0-53.0-38.0-41.0-43.0-35.0-40.0-27.0-33.0-34.0-33.0-39.0-85.0-33.0-39.0-94.0-116.0-34.0-35.0-33.0-32.0
us-gaap:OperatingIncomeLoss █▇▂▁▃▃▂▂▂▂▂▂▂▂▃▂▂▃▄▂▂▆▂▂▂▂▂▁795.0718.0283.0175.0363.0313.0307.0248.0220.0304.0305.0272.0269.0298.0319.0279.0276.0322.0422.0257.0239.0631.0301.0228.0257.0256.0262.0208.0
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax █▆▅▁▇▃▄▅▄▄▂▅▄▆▆▅▂▃▂▄▃▃▅▃▄▃▅▄21.010.03.0-19.013.0-6.0-4.04.0-1.0-2.0-14.06.00.08.08.04.0-11.0-5.0-15.0-3.0-8.0-5.04.0-6.0-4.0-5.03.0-1.0
us-gaap:OtherComprehensiveIncomeLossNetOfTax █▇▅▁▇▅▄▅▄▄▂▆▄▆▆▅▂▃▂▄▃▃▅▄▂▃▅▄21.013.03.0-19.016.03.0-3.04.0-1.0-1.0-14.07.00.012.08.04.0-11.0-5.0-16.0-2.0-7.0-6.05.0-3.0-12.0-7.03.0-3.0
us-gaap:OtherNonoperatingIncomeExpense ▅█▅▄▅▅▅▅▄▅▅▄▅▄▅▅▅▅▄▂▅▄▂▁▅▄▅▅2.077.013.0-16.07.01.03.09.0-10.03.01.0-2.04.0-2.011.03.02.04.0-5.0-49.03.0-4.0-64.0-78.01.0-1.03.01.0
us-gaap:ProfitLoss ██▃▁▄▃▃▂▂▃▃▃▄▂▃▂▂▃▃▂▃▅▂▁▃▂▂▂609.0591.0193.0106.0265.0226.0239.0176.0139.0227.0233.0189.0267.0175.0207.0175.0167.0205.0209.0114.0200.0354.0129.070.0200.0139.0142.0111.0
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇▁▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁3002.02786.01827.01822.01926.01956.01953.01891.01839.01889.01919.01884.01936.01931.01943.01899.01861.01885.01906.01863.01849.01880.01925.01839.01883.01904.01902.01746.0
us-gaap:SellingGeneralAndAdministrativeExpense █▄▂▁▁▂▂▃▂▁▁▂█▆▇▇▄▅▆▇▆▅▆▆▆█▇▅447.0396.0360.0347.0349.0362.0362.0384.0356.0354.0351.0363.0453.0423.0437.0437.0400.0409.0430.0442.0429.0402.0429.0419.0427.0446.0440.0415.0
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
us-gaap:Assets ██▆▅▆▅▄▅▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▃▁▁▁▁14026.014143.012990.012049.012843.012019.011760.011937.011003.010986.010747.010695.010503.010439.010171.010109.010100.010173.010109.010097.09962.010074.09720.010613.09877.09801.09757.09550.0
us-gaap:LiabilitiesAndStockholdersEquity ██▆▅▆▅▄▅▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▃▁▁▁▁14026.014143.012990.012049.012843.012019.011760.011937.011003.010986.010747.010695.010503.010439.010171.010109.010100.010173.010109.010097.09962.010074.09720.010613.09877.09801.09757.09550.0
us-gaap:StockholdersEquity █▇▆▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▂▃▃▃▂▂▂▁▁▁6759.06400.05831.05657.05641.05605.05459.05290.05216.05317.05223.05030.04921.04794.04697.04630.04628.04663.04537.04636.04684.04589.04314.04243.04301.04182.04092.03992.0
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
us-gaap:AssetsCurrent ▇█▅▂▅▃▂▃▁▂▁▁▁▂▂▂▂▂▂▂▂▂▂▅▂▂▂▂3058.03348.02380.01560.02490.01779.01566.01778.01390.01603.01415.01371.01306.01544.01500.01558.01531.01642.01510.01493.01501.01648.01530.02375.01603.01563.01505.01488.0
us-gaap:CashAndCashEquivalentsAtCarryingValue ▆█▅▂▆▂▂▃▁▂▁▁▁▂▂▂▂▂▂▁▁▁▁▅▁▁▁▁1158.01605.0988.0342.01192.0434.0273.0464.0135.0263.0132.0124.0137.0350.0314.0367.0359.0406.0283.0128.0133.0123.0150.0974.0192.0170.0144.0144.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▆█▅▂▆▂▂▃▁▂▁▁▁▂▂▂▂1158.01605.0988.0342.01192.0434.0273.0464.0135.0263.0132.0124.0137.0350.0314.0367.0384.0NANANA133.0NANANANANANANA
us-gaap:AccountsReceivableNetCurrent █▇▄▂▃▃▃▃▂▃▃▂▁▂▂▂▁▂▂▂▁▁▁▂▁▂▂▂1520.01421.01126.0972.01063.01117.01088.01079.01012.01097.01055.01026.0924.0960.0947.0960.0926.0966.0975.0952.0901.0914.0937.0949.0932.0953.0963.0977.0
us-gaap:InventoryNet █▇▅▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▃▂▃▃▃▂223.0205.0154.0126.0123.0112.0105.098.099.095.091.094.095.0100.083.077.082.082.080.082.084.086.0109.0106.0110.0111.0109.099.0
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▅▂▂▂▂▂▁▃▄▄▃▃▄▃▅▅▅▆▅▃█▇▆▇█▅▃▂157.0117.0112.0120.0112.0116.0100.0137.0144.0148.0137.0127.0150.0134.0156.0154.0155.0179.0163.0138.0207.0194.0173.0188.0200.0164.0125.0115.0
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
us-gaap:PropertyPlantAndEquipmentGross 4619.0NANANA4229.0NANANA3970.0NANANA3671.0NANANA3429.0NANANA3232.0NANANA3126.0NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment 2992.0NANANA2776.0NANANA2682.0NANANA2526.0NANANA2400.0NANANA2307.0NANANA2193.0NANANA
us-gaap:AmortizationOfIntangibleAssets ▇▇▆▆▇▅▆▅█▄▄▄▃▂▂▁▂▂▁▂▃▃▃▄▅▅▆▄26.027.025.025.027.023.025.024.028.022.022.022.020.019.018.017.018.018.017.019.020.020.020.021.023.024.025.022.0
us-gaap:PropertyPlantAndEquipmentNet █▇▇▇▆▆▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▁▁▁▂▁▁▁1627.01544.01505.01461.01453.01351.01307.01277.01288.01194.01168.01156.01145.01097.01045.01027.01029.0952.0937.0925.0925.0886.0906.0902.0933.0888.0884.0851.0
us-gaap:Goodwill ██▇▇▆▆▆▆▆▅▅▅▄▃▂▂▂▂▂▂▁▁▂▂▂▂▂▁6873.06880.06789.06694.06619.06617.06605.06605.06563.06447.06414.06392.06335.06164.06080.06001.06000.06000.05996.05996.05905.05895.05987.05986.06032.06026.06024.05920.0
us-gaap:IntangibleAssetsNetExcludingGoodwill ▇█▆▆▆▆▇██▇▇▇▆▃▁▁▁▂▂▃▂▃▃▄▅▅▆▅1167.01192.01141.01138.01121.01138.01172.01200.01207.01168.01166.01174.01119.01029.0949.0933.0949.0972.0990.01008.0984.01004.01022.01041.01071.01095.01117.01078.0
us-gaap:FiniteLivedIntangibleAssetsNet NA956.0NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset █▇▇▇▇▇▇▇▁604.0535.0522.0512.0518.0508.0511.0497.00.0NANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▄▃▃▅▃▃▂▁▁▁▂▂▂▂▂▂▃▃▆▅▄▃▆█▇▇▇▆176.0164.0158.0188.0160.0152.0141.0126.0119.0118.0128.0128.0136.0146.0146.0147.0148.0155.0223.0204.0174.0163.0219.0254.0238.0229.0227.0213.0
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent ██▃▂▂▂▁▂▂▃▁▂▂▂▁▂▂▂▃▁▂▂▂▂▄▂▂▂1633.01686.01142.0981.01041.01059.0951.01029.01021.01085.0957.0976.01021.01047.0912.0979.0975.01039.01104.0932.01014.0973.01074.01046.01191.01058.01038.0969.0
us-gaap:AccruedIncomeTaxesCurrent 43.0NANANA27.0NANANA17.0NANANA9.0NANANA3.0NANANA4.0NANANA63.0NANANA
us-gaap:AccruedLiabilitiesCurrent 356.0NANANA223.0NANANA274.0NANANA246.0NANANA254.0NANANA257.0NANANA277.0NANANA
us-gaap:DividendsPayableCurrent 76.0NANANA71.0NANANA71.0NANANA61.0NANANA62.0NANANA55.0NANANA48.0NANANA
us-gaap:LiabilitiesCurrent ▅█▅▂▆▆▆▇▄▃▃▂▂▂▁▁▁▂▂▂▂▂▃▇▅▂▃▂1776.02389.01843.01129.01990.02011.01904.02282.01485.01389.01262.01117.01057.01052.0917.0985.0981.01046.01111.01090.01173.01133.01242.02089.01709.01190.01258.01192.0
us-gaap:LongTermDebtCurrent ▁▄▄▁▆▆▆█▄2.0555.0555.03.0804.0805.0807.01108.0464.0NANANA36.0NANANA6.07.07.0158.0159.0160.0168.01043.0518.022.025.028.0
us-gaap:OperatingLeaseLiabilityCurrent ████████▁141.0148.0146.0145.0145.0147.0146.0145.00.0NANANANANANANANANANANANANANANANANANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
us-gaap:LongTermDebt ▂▆▆▂█▂▂▄▁4015.04573.04575.04036.04770.03993.03976.04239.03893.0NANANA3784.0NANANA3734.03822.03842.03898.03651.03731.03736.04731.03762.03754.03763.03752.0
us-gaap:LongTermDebtNoncurrent ████▇▁▁▁▃4013.04018.04020.04033.03966.03188.03169.03131.03429.0NANANA3748.0NANANA3728.03815.03835.03740.03492.03571.03568.03688.03244.0NANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations ████▇▁▁▁▃▃▃▆▆▆▆▆▆▆▆▆▄▄▄▅▂▆▆▆4013.04018.04020.04033.03966.03188.03169.03131.03429.03394.03408.03718.03748.03759.03732.03725.03728.03815.03835.03740.03492.03571.03568.03688.03244.03732.03738.03724.0
us-gaap:MinorityInterest █▇█▇▇▇███▇▅▄▃▃▄▃▂▂▂▂▂▂▂▁▂▁▁▁50.046.050.046.046.049.050.051.051.048.040.036.034.034.036.033.032.031.032.030.029.032.030.028.029.028.027.028.0
us-gaap:OtherLiabilitiesNoncurrent █▇▆▅▅▅▅▅▆▆▆▅▄▅▅▄▄▂▁▁▁▄▂▂▃▄▄▃847.0782.0753.0699.0711.0685.0689.0713.0745.0761.0738.0717.0663.0722.0709.0658.0654.0542.0520.0529.0514.0680.0566.0565.0594.0669.0642.0614.0
us-gaap:OperatingLeaseLiabilityNoncurrent █▇▇▇▇▇▇▇▁499.0428.0416.0409.0413.0405.0413.0393.00.0NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo 140.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree 122.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour 87.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive 57.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive 153.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
us-gaap:StockholdersEquity █▇▆▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▂▃▃▃▂▂▂▁▁▁6759.06400.05831.05657.05641.05605.05459.05290.05216.05317.05223.05030.04921.04794.04697.04630.04628.04663.04537.04636.04684.04589.04314.04243.04301.04182.04092.03992.0
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █▇▆▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▂▃▃▃▂▂▂▁▁▁6809.06446.05881.05703.05687.05654.05509.05341.05267.05365.05263.05066.04955.04828.04733.04663.04660.04694.04569.04666.04713.04621.04344.04271.04330.04210.04119.04020.0
us-gaap:CommonStockValue ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄2.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.0
us-gaap:AdditionalPaidInCapitalCommonStock █▇▇▆▆▆▆▅▅▅▅▅▅▄▄▃▃▃▂▃▃▂▂▂▂▁▁▁2841.02801.02764.02738.02722.02705.02686.02671.02667.02656.02633.02616.02612.02585.02565.02542.02545.02526.02472.02493.02481.02469.02444.02427.02418.02406.02394.02381.0
us-gaap:RetainedEarningsAccumulatedDeficit █▇▆▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁9303.08800.08307.08197.08174.07992.07849.07694.07602.07546.07401.07249.07138.06946.06847.06715.06613.06520.06384.06244.06199.06066.05793.05729.05723.05581.05500.05415.0
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▇▄▃▃▅▃▃▃▂▃▃▄▄▄▂▁▁▂▃▄▅▅▆▆▆▇██-21.0-42.0-55.0-58.0-39.0-55.0-58.0-55.0-59.0-58.0-57.0-41.0-48.0-48.0-60.0-68.0-72.0-61.0-56.0-40.0-38.0-31.0-25.0-30.0-27.0-15.0-8.0-11.0
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship us-gaap:CashFlowHedging▅▅▆▆▃▁▁██████1.01.04.04.0-4.0-7.0-8.09.09.08.09.08.09.0NANANA10.0NANANANANANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents dgx:OtherEquityComponents-1.0NANANA-1.0NANANA-1.0NANANA-1.0NANANA-1.0NANANA-1.0NANANA-2.0NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges-1.0NANANA-4.0NANANA-9.0NANANA-9.09.010.0NA-10.0NANANA-12.0NANANA-15.0NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss8.0NANANA8.0NANANA0.0NANANA0.0NANANA-3.0NANANA-1.0NANANA-1.0NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncome-21.0NANANA-39.0NANANA-59.0NANANA-48.0NANANA-72.0NANANA-38.0NANANA-27.0NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedTranslationAdjustment-27.0NANANA-42.0NANANA-49.0NANANA-38.0NANANA-58.0NANANA-24.0NANANA-9.0NANANA
us-gaap:TreasuryStockValue █▇▇▇▇▇▆▆▆▆▅▅▅▅▅▄▄▃▃▂▂▂▁▁▁▁▁▁5366.05161.05187.05222.05218.05039.05020.05022.04996.04829.04756.04796.04783.04691.04657.04561.04460.04324.04265.04063.03960.03917.03900.03885.03815.03792.03796.03795.0
us-gaap:MinorityInterest █▇█▇▇▇███▇▅▄▃▃▄▃▂▂▂▂▂▂▂▁▂▁▁▁50.046.050.046.046.049.050.051.051.048.040.036.034.034.036.033.032.031.032.030.029.032.030.028.029.028.027.028.0
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▇▃▃▂▂▃▃▁▄▃▄▆▃▄▃▃▃▄▄▂▂▃▂▂▂▂▂34.032.017.014.012.012.015.017.08.019.015.019.025.017.020.017.017.016.018.018.013.012.015.012.013.013.013.012.0
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▇█▁▂▅▄▅▄▄▄▄▄▅▅▄▃▄▄▄▃▅▃▃▄▃▃▄▁18.022.03.06.013.011.013.010.012.011.010.011.013.014.011.09.010.012.010.09.014.09.09.010.08.09.011.03.0
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅█▄▃▄▃▃▃▃▄▃▂▃▄▃▂▃▃▃▂▃▂▃▁▃▃▃▁541.0862.0355.0247.0348.0299.0321.0275.0295.0402.0323.0180.0323.0362.0294.0196.0304.0301.0321.0143.0271.0212.0275.052.0303.0271.0280.084.0
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▅▅▅▅▅▅▅▃▅▅▅▃▄▅▆▅▆█▅▅▅▆▆▅▅▅▁-168.0-193.0-205.0-206.0-100.0-109.0-92.0-110.0-346.0-125.0-126.0-204.0-366.0-247.0-170.0-22.0-107.0-72.0217.0-190.0-125.0-114.0-68.0-55.0-91.0-93.0-205.0-636.0
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▅▇▂▇▅▃▆▅▄▄▅▄▅▄▄▄▅▃▅▄▄▁█▄▄▅▇-820.0-52.0496.0-891.0510.0-29.0-420.0164.0-77.0-146.0-189.011.0-170.0-79.0-177.0-166.0-244.0-106.0-383.042.0-136.0-125.0-1031.0785.0-190.0-152.0-75.0509.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect NA617.0646.0-850.0NA161.0-191.0329.0NA131.08.0-13.0NANANANANANANANANANANANANANANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▆▃▄▄▄▄▄▄▄▄▄▄▁▄▆▄▄▄▃▄▃█▃▄▅▄▃▃73.0-11.09.014.00.02.010.03.021.013.015.024.0-81.011.068.011.018.023.0-12.08.0-26.0143.0-19.014.044.05.0-16.0-10.0
us-gaap:DepreciationDepletionAndAmortization █▆▆▆▅▅▅▅▅▄▄▃▃▃▂▁▁▁▁▁▃▄▄▄▄▄▅▄98.089.089.085.082.082.081.084.081.077.077.074.073.069.066.062.063.063.061.062.074.077.075.078.079.079.081.075.0
us-gaap:IncreaseDecreaseInAccountsReceivable ▅█▆▁▂▃▃▄▁▄▃▅▃▄▄▅▃▄▅▆▄▄▄▅▄▄▄▆100.0280.0160.0-85.0-50.032.010.071.0-101.039.030.097.033.080.068.0117.027.067.0104.0145.048.051.066.097.052.069.039.0152.0
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▆▆▃▅▅▇▁▄▄▅▄▁▅▄▅▅▃▄▄▃▄█▄▄▃▅▄▅21.017.0-13.012.011.031.0-33.0-5.0-1.07.0-5.0-32.012.02.07.05.0-10.0-3.03.0-15.00.039.03.0-1.0-12.06.0-5.09.0
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅█▄▃▄▃▃▃▃▄▃▂▃▄▃▂▃▃▃▂▃▂▃▁▃▃▃▁541.0862.0355.0247.0348.0299.0321.0275.0295.0402.0323.0180.0323.0362.0294.0196.0304.0301.0321.0143.0271.0212.0275.052.0303.0271.0280.084.0
us-gaap:NetIncomeLoss ██▃▂▄▃▃▂▂▃▃▃▄▂▃▂▂▃▃▂▃▅▂▁▃▂▂▂579.0568.0185.099.0253.0215.0226.0164.0127.0213.0219.0177.0254.0161.0193.0164.0155.0192.0195.0102.0188.0342.0118.061.0190.0129.0133.0104.0
us-gaap:ProfitLoss ██▃▁▄▃▃▂▂▃▃▃▄▂▃▂▂▃▃▂▃▅▂▁▃▂▂▂609.0591.0193.0106.0265.0226.0239.0176.0139.0227.0233.0189.0267.0175.0207.0175.0167.0205.0209.0114.0200.0354.0129.070.0200.0139.0142.0111.0
us-gaap:ShareBasedCompensation █▇▃▃▂▂▃▃▁▄▃▄▆▃▄▃▃▃▄▄▂▂▃▂▂▂▂▂34.032.017.014.012.012.015.017.08.019.015.019.025.017.020.017.017.016.018.018.013.012.015.012.013.013.013.012.0
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▅▅▅▅▅▅▅▃▅▅▅▃▄▅▆▅▆█▅▅▅▆▆▅▅▅▁-168.0-193.0-205.0-206.0-100.0-109.0-92.0-110.0-346.0-125.0-126.0-204.0-366.0-247.0-170.0-22.0-107.0-72.0217.0-190.0-125.0-114.0-68.0-55.0-91.0-93.0-205.0-636.0
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▇▄▃▃█▄▃▁▇▃▃▃▃▂▂▁▆▂▂▁▄▂▂▂▄▄▁▂162.091.082.083.0172.096.085.047.0151.081.078.073.082.063.065.042.0128.061.057.047.094.052.061.056.089.0102.049.068.0
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▅▇▂▇▅▃▆▅▄▄▅▄▅▄▄▄▅▃▅▄▄▁█▄▄▅▇-820.0-52.0496.0-891.0510.0-29.0-420.0164.0-77.0-146.0-189.011.0-170.0-79.0-177.0-166.0-244.0-106.0-383.042.0-136.0-125.0-1031.0785.0-190.0-152.0-75.0509.0
us-gaap:PaymentsOfDividendsCommonStock ███▇▇▇▇▇▆▇▆▅▅▅▅▅▄▄▄▄▃▄▄▂▂▂▂▁75.076.075.071.071.072.071.072.068.069.068.061.061.062.062.062.055.057.056.055.054.055.055.048.048.048.048.043.0
us-gaap:PaymentsForRepurchaseOfCommonStock ▇▁▁▃▆▂▂▂▅▄▁▂▄▂▅▅▅▂█▄▂▂▂▄▂▂▂▂250.00.00.075.0200.050.050.053.0172.0100.00.050.0115.050.0150.0150.0150.050.0275.0115.050.025.039.0110.050.025.025.032.0
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02154000.02154000.02153000.02151000.02151000.02151000.02151000.02146000.02146000.02146000.02146000.02142000.02141000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value217217217217217217217217217217217217217217216216216216216216216216216216216216215216215215215215215215215215215215214214214214214214
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312006-05-042006-05-03
Value600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600600300
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value122131133135134134133135135134135136136136135136136137137139139141143144144144144145144144144145151157158158158158157157158157170170177179183190194
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value127135137136135137136136139139139140140141142142144145145146145145145150154159160159159159159161174180182
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value125133135134134135135134136136136137137137139140143144144144145144144149152158158158158157157161173178180
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1000000.01000000.01000000.01000000.02000000.02000000.05000000.04000000.02000000.02000000.02000000.02000000.02000000.01000000.0003000000.02000000.02000000.01000000.003000000.06000000.01527000.01457000.02085000.01317000.02463000.01995000.02300000.02300000.03700000.03300000.03100000.02700000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value5.053.524.284.21.380.741.881.591.671.220.931.561.61.31.861.181.41.191.111.371.380.711.312.370.820.421.30.890.920.720.972.71.070.860.351.021.121.01.21.081.03-0.330.961.141.080.90.981.031.010.88
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value4.963.464.214.141.360.731.861.561.661.20.921.531.571.271.821.151.371.161.091.341.370.71.292.350.810.421.290.880.920.710.972.681.070.850.341.011.110.991.191.071.02-0.330.961.131.070.890.971.021.00.88
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Basic Share

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value4.284.21.380.741.881.591.521.220.931.561.61.31.111.371.380.721.312.370.820.421.270.890.920.720.982.680.990.730.881.021.121.01.21.081.03-0.330.971.141.080.90.981.031.010.89
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value4.214.141.360.731.861.561.511.20.921.531.571.271.091.341.370.711.292.350.810.421.260.880.920.710.972.660.990.720.871.011.110.991.191.081.02-0.330.971.131.070.890.971.021.00.89
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value652459600581188802692182231681262122051842541732011681441871791001813361235817812213610114240914213156185158177186132165-32.278253169
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.060000.00.018800.08000.013450.021800.022300.016800.00.021200.020500.00.00.017300.00.016800.00.00.017900.00.00.00.00.00.017800.012200.00.010100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value192130238.07.0121113121214141213141411121314121212119.010.010.09.07.08.2838.7249.1557.8389.7928.4568.7689.3979.455108.3847.199
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.03000.00.0800.0700.0600.01100.01300.01200.00.01400.01400.00.00.01400.00.01100.00.00.01400.00.00.00.00.00.01000.01000.00.0700.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value671480630604196872812292361801382262191962671872151791562001931121933481346718813214510815141815113965193167187196142173-25.079
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.063000.00.019600.08700.014050.022900.023600.018000.00.022600.021900.00.00.018700.00.017900.00.00.019300.00.00.00.00.00.018800.013200.00.010800.00.00.00.00.00.00.00.00.00.00.00.00.0

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1565162617331580122112701264126412651244123512221243122611941190117011651160115711551144115011621182116311841178117411011051108810931091104710891110111610771116110410961080109110781066
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.0173300.00.0122100.0127000.063200.0126400.0126500.0124400.00.0122200.0124300.00.00.0119000.00.0116500.00.00.0115500.00.00.00.00.00.0118400.0117800.00.0110100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2017206022072068154416471563164316461643161915851614161216671633162416201585156314841606161012491624161116261648164015381486109715271559143015421572163615541584158617901529152715081506
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.0220700.00.0154400.0164700.078150.0164300.0164600.0164300.00.0158500.0161400.00.00.0163300.00.0162000.00.00.0148400.00.00.00.00.00.0162600.0164800.00.0153800.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value12691206606552662692688647604667676658742741773734701728751719699718743676699726728645705699721695701740776799801789798724743773795739778799801754
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating126900.00.060600.055200.033100.069200.068800.064700.00.066700.067600.00.00.074100.00.073400.00.00.075100.00.00.00.00.00.069900.072600.00.064500.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperations


Income
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value57956818525321520612721321915519219510318834211861185129133104143402152115140163177158189172163-53.487166198194162181191188168
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating57900.00.018500.012650.021500.020600.00.021300.021900.00.00.019500.00.00.00.00.00.018500.012900.00.010400.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8176267587532551183282702652131672662642292342582922462422893831722065922001052162142692922832772.938266311329276
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.075800.00.025500.011800.016400.027000.026500.021300.00.026600.026400.00.00.025800.00.024600.00.00.038300.00.00.00.00.00.021600.021400.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value60959119310626522621917613922723318916720520911520035412970195139142111151411161123149171186168199182172-46.288175208204171190201198177
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating60900.00.019300.010600.013250.022600.021900.017600.00.022700.023300.00.00.00.020900.00.00.00.00.00.019500.013900.00.011100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value17715319117766267262635040484252-23.0929478849518368142397842-44.082876586245947384103112101921011054991102125105
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.019100.00.06600.02600.03600.06200.06300.05000.00.04800.04200.00.00.09200.00.07800.00.00.018300.00.00.00.00.00.0-4400.08200.00.06500.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, dgx:Q2Solutions


Income
Period End2021-06-30
Value55
Percentage of IncomeTaxExpenseBenefit31.1
Percentage of InterestAndDividendIncomeOperating0.0
Percentage of InterestAndDividendIncomeOperating us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations dgx:Q2Solutions0.0

Income Taxes Paid

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3287.01921482.0185465803.01429392.066641058.0991411174.070140901991981299.023512712083138919210152249710971271906.829
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.019200.00.0200.01800.02700.06500.08000.0300.00.02900.03900.00.00.06400.00.0800.00.00.011700.00.00.00.00.00.09100.09800.00.0900.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value383840424242444546454342434139393837363735363635374543424240414242302-44.059-47.231-38.28-37.86-36.472-36.64-36.53
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.04000.00.04200.04200.02200.04500.04600.04500.00.04200.04300.00.00.03900.00.03700.00.00.03500.00.00.00.00.00.04300.04200.00.04000.00.00.00.00.00.00.00.00.00.00.00.0

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-38000000.0-38000000.0-39000000.0-42000000.0-41000000.0-41000000.0-42000000.0-44000000.0-45000000.0-44000000.0-43000000.0-41000000.0-42000000.0-41000000.0-39000000.0-38000000.0-38000000.0-36000000.0-36000000.0-37000000.0-34000000.0-36000000.0-36000000.0-35000000.0-37000000.0-45000000.0-42000000.0-41000000.0-42000000.0-39000000.0
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.0-3900.00.0-4100.0-4100.0-2100.0-4400.0-4500.0-4400.00.0-4100.0-4200.00.00.0-3800.00.0-3600.00.00.0-3400.00.00.00.00.00.0-4200.0-4100.00.0-3900.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value631469579568185992532152261641272132191772541611931641551921951021883421186119012913310414340516513555163177159189171163-53.861165198194162181192188167
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.057900.00.018500.09900.012650.021500.022600.016400.00.021300.021900.00.00.016100.00.016400.00.00.019500.00.00.00.00.00.019000.012900.00.010400.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value192130238.07.0121113121214141213141411121314121212119.010.010.09.07.08.08.7249.1557.8389.7928.4568.7689.3979.455108.3847.1998.4769.6819.2618.7058.9729.416108.554
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.03000.00.0800.0700.0600.01100.01300.01200.00.01400.01400.00.00.01400.00.01100.00.00.01400.00.00.00.00.00.01000.01000.00.0700.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value62846818499
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.018400.09900.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value284-34.0-37.035-28.0-57.0-35.0-43.0-42.0-35.0-53.0-38.0-41.0-43.0-35.0-40.0-27.0-33.0-34.0-33.0-39.0-85.0-33.0-39.0-94.0-116.0-34.0-35.0-33.0-32.0-32.12-32.142-32.41-30.328-32.715-33.894-35.826-29.967-32.952-38.784-39.058-28.022-27.271-25.849-36.101-21.979
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.0-3700.00.0-2800.0-5700.0-1750.0-4300.0-4200.0-3500.00.0-3800.0-4100.00.00.0-4000.00.0-3300.00.00.0-3900.00.00.00.00.00.0-3400.0-3500.00.0-3200.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value53366079571828317536331330724822030430527226929831927927632242225723963130122825725626220826968928822625730833429932532231630294336365298
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.079500.00.028300.017500.018150.031300.030700.024800.00.030400.030500.00.00.029800.00.027900.00.00.042200.00.00.00.00.00.025700.025600.00.020800.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments

dgx:DiagnosticInformationServicesBusiness


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value601712876840280205335345338280253333341308326334347306309329328278280294302242
Percentage of OperatingIncomeLoss112.8107.9110.2117.098.9117.192.3110.2110.1112.9115.0109.5111.8113.2121.2112.1108.8109.7112.0102.277.7108.2117.246.6100.3106.1
Percentage of InterestAndDividendIncomeOperating0.00.087600.00.028000.020500.016750.034500.033800.028000.00.033300.034100.00.00.033400.00.030600.00.00.032800.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating dgx:DiagnosticInformationServicesBusiness0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllOtherSegments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value9.09.010.0164.09.01110.0129.0141111111210.01713141217212430302631232218222216148.1352116125.4322414
Percentage of OperatingIncomeLoss1.71.41.32.21.45.13.03.23.93.66.43.63.64.04.53.45.34.75.13.74.08.210.04.810.011.412.19.08.48.78.43.35.76.43.26.94.94.31.77.64.7
Percentage of InterestAndDividendIncomeOperating0.00.01000.00.0400.0900.0550.01000.01200.0900.00.01100.01100.00.00.01000.00.01300.00.00.01700.00.00.00.00.00.03100.02300.00.01800.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Corporate


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-77.0-61.0-91.0-138.0-1.0-39.017-42.0-43.0-41.0-47.0-40.0-47.0-47.0-69.0-46.0-45.0-40.0-47.0-19.077-42.0-65.0307-31.0-40.0-37.0-48.0-53.0-41.0-67.064373-51.117-57.295-54.805-63.346-56.205-70.115-68.613-51.311-64.521
Percentage of OperatingIncomeLoss-14.4-9.2-11.4-19.2-0.4-22.34.7-13.4-14.0-16.5-21.4-13.2-15.4-17.3-25.7-15.4-14.1-14.3-17.0-5.918.2-16.3-27.248.7-10.3-17.5-14.4-18.8-20.2-19.7-24.954.2-17.7-25.2-21.3-20.5-16.8-23.4-21.1-15.9-20.4
Percentage of InterestAndDividendIncomeOperating0.00.0-9100.00.0-100.0-3900.0850.0-4200.0-4300.0-4100.00.0-4000.0-4700.00.00.0-4600.00.0-4000.00.00.07700.00.00.00.00.00.0-3700.0-4800.00.0-4100.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:Corporate0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value21-3.02110.03.0-19.013-6.0-4.04.0-1.0-2.0-14.06.00.08.08.04.0-11.0-5.0-15.0-3.0-8.0-5.04.0-6.0-4.0-5.03.0-1.0-0.9414.592-26.264-4.3873.19922-19.18318-0.275-39.1191.97
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.02100.00.0300.0-1900.0650.0-600.0-400.0400.00.0-200.0-1400.00.00.0800.00.0400.00.00.0-1500.00.00.00.00.00.0-400.0-500.00.0-100.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value21-10.021133.0-19.0163.0-3.04.0-1.0-1.0-14.07.00.0128.04.0-11.0-5.0-16.0-2.0-7.0-6.05.0-3.0-12.0-7.03.0-3.00.3084.781-22.864-4.2250.35222-18.92918-2.623-39.4871.834
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.02100.00.0300.0-1900.0800.0300.0-300.0400.00.0-100.0-1400.00.00.01200.00.0400.00.00.0-1600.00.00.00.00.00.0-1200.0-700.00.0-300.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value21-10.021133.0-19.0163.0-3.04.0-1.0-1.0-14.07.00.0128.04.0-11.0-5.0-16.0-2.0-7.0-6.05.0-3.0-12.0-7.03.0-3.00.3084.781-22.864-4.2250.35222-18.92918-2.623-39.487
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.02100.00.0300.0-1900.0800.0300.0-300.0400.00.0-100.0-1400.00.00.01200.00.0400.00.00.0-1600.00.00.00.00.00.0-1200.0-700.00.0-300.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3224.02.07713-16.07.01.03.09.0-10.03.01.0-2.04.0-2.0113.02.04.0-5.0-49.03.0-4.0-64.0-78.01.0-1.03.01.01.4292.9220.2583.3910.6892.472-1.2564.7573.628-2.677-0.3462.2083.2883.15-7.1196.012
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.0200.00.01300.0-1600.0350.0100.0300.0900.00.0300.0100.00.00.0-200.00.0300.00.00.0-500.00.00.00.00.00.0100.0-100.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value6504906095911931062652262391761392272331892671752071751672052091142003541297020013914211115141317414365171186168198181171-46.662174207203171190201198175
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.060900.00.019300.010600.013250.022600.023900.017600.00.022700.023300.00.00.017500.00.017500.00.00.020900.00.00.00.00.00.020000.013900.00.011100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value25502720300227861827182219261956195318911839188919191884193619311943189918611885190618631849188019251839188319041902174617561787181517861773185119061936187919061903182118241864187418051848189719011808
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.0300200.00.0182700.0182200.096300.0195600.0195300.0189100.00.0188900.0191900.00.00.0193100.00.0189900.00.00.0190600.00.00.00.00.00.0188300.0190400.00.0174600.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

dgx:Allotherservices


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value76776378
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.02.83.44.3
Percentage of InterestAndDividendIncomeOperating0.00.06300.07800.0
Percentage of InterestAndDividendIncomeOperating dgx:Allotherservices0.00.00.00.0

dgx:Anatomicpathologytestingservices


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value14013076134
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.54.84.27.4
Percentage of InterestAndDividendIncomeOperating0.00.07600.013400.0
Percentage of InterestAndDividendIncomeOperating dgx:Anatomicpathologytestingservices0.00.00.00.0

dgx:COVID19TestingServices


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value51182858224
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.030.431.91.3
Percentage of InterestAndDividendIncomeOperating0.00.058200.02400.0
Percentage of InterestAndDividendIncomeOperating dgx:COVID19TestingServices0.00.00.00.0

dgx:Genebasedandesoterictestingservices


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value673653294641
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.424.016.135.2
Percentage of InterestAndDividendIncomeOperating0.00.029400.064100.0
Percentage of InterestAndDividendIncomeOperating dgx:Genebasedandesoterictestingservices0.00.00.00.0

dgx:Routineclinicaltestingservices


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value11501032812945
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.137.944.451.9
Percentage of InterestAndDividendIncomeOperating0.00.081200.094500.0
Percentage of InterestAndDividendIncomeOperating dgx:Routineclinicaltestingservices0.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

dgx:DiagnosticInformationServicesBusiness


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value24742643292227091764174418441877187218121756181018351803155118501855181217731800180917561738176417711692
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax97.097.297.397.296.695.795.796.095.995.895.595.895.695.780.195.895.595.495.395.594.994.394.093.892.092.0
Percentage of InterestAndDividendIncomeOperating0.00.0292200.00.0176400.0174400.092200.0187700.0187200.0181200.00.0181000.0183500.00.00.0185000.00.0181200.00.00.0180900.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating dgx:DiagnosticInformationServicesBusiness0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllOtherSegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value7677807763788279817983798481788188878885971071111161541471511391391321391401401386216316714161183176
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.02.82.72.83.44.34.34.04.14.24.54.24.44.34.04.24.54.64.74.55.15.76.06.28.08.08.07.37.37.68.07.97.77.73.58.98.87.33.39.69.3
Percentage of InterestAndDividendIncomeOperating0.00.08000.00.06300.07800.04100.07900.08100.07900.00.07900.08400.00.00.08100.00.08700.00.00.09700.00.00.00.00.00.015100.013900.00.013200.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value429407447396360347349362362384356354351363453423437437400409430442429402429419427446440415414422418447371432440500457446462447430426419430
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.044700.00.036000.034700.017450.036200.036200.038400.00.035400.035100.00.00.042300.00.043700.00.00.043000.00.00.00.00.00.042700.044600.00.041500.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12861139311402614143129901204912843120191176011937110031098610747106951050310439101711010910100101731010910097996210074972010613987798019757955089488927903693069283931893929451931393269431922485278563
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12861139311402614143129901204912843120191176011937110031098610747106951050310439101711010910100101731010910097996210074972010613987798019757955089488927903693069283931893929451931393269431922485278563
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value58996745675964005831565756415605545952905216531752235030492147944697463046284663453746364684458943144243430141824092399239483842391141994163417139953869369235223429321440333989
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.948.448.245.344.946.943.946.646.444.347.448.448.647.046.945.946.245.845.845.844.945.947.045.644.440.043.542.741.941.844.143.043.345.144.844.842.540.939.737.836.434.847.346.6

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value21462999305833482380156024901779156617781390160314151371130615441500155815311642151014931501164815302375160315631505148813831425146914571560147214771518140113961477229916051679
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.721.521.823.718.312.919.414.813.314.912.614.613.212.812.414.814.715.415.216.114.914.815.116.415.722.416.215.915.415.615.516.016.315.716.815.815.716.115.015.015.724.918.819.6

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value5601230115816059883421192434273464135263132124137350314367359406283128133123150974192170144144187158148133295191173145164110184994449369447463534253167
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.48.88.311.37.62.89.33.62.33.91.22.41.21.21.33.43.13.63.64.02.81.31.31.21.59.21.91.71.51.52.11.81.61.43.22.11.81.51.81.22.010.85.30.00.00.06.20.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value5601230115816059883421192434273464135263132124137350314367384133
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.48.88.311.37.62.89.33.62.33.91.22.41.21.21.33.43.13.63.81.3

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1255138215201421112697210631117108810791012109710551026924960947960926966975952901914937949932953963977852920946929867930941973906936929940845827
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.89.910.810.08.78.18.39.39.39.09.210.09.89.68.89.29.39.59.29.59.69.49.09.19.68.99.49.79.910.29.510.310.510.09.310.010.010.39.710.09.910.29.99.7

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1992232232051541261231121059899959194951008377828280828486109106110111109999185898993949088898487717691
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.61.61.41.21.01.00.90.90.80.90.90.80.90.91.00.80.80.80.80.80.80.80.91.11.01.11.11.11.01.01.01.01.01.01.01.00.91.00.90.90.80.91.1

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value13216415711711212011211610013714414813712715013415615415517916313820719417318820016412511510510812697908610887
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.21.10.80.91.00.91.00.91.11.31.31.31.21.41.31.51.51.51.81.61.42.11.91.81.82.01.71.31.21.21.21.41.11.00.91.20.9

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value461942293970367134293232312628062624254324872339
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.932.936.135.034.032.431.631.428.327.329.227.3

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

dgx:LaboratoryEquipmentFurnitureAndFixtures


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1974178816911594146214071386124812111203
Percentage of PropertyPlantAndEquipmentGross42.742.342.643.442.643.544.344.546.247.3
Percentage of Assets14.113.915.415.214.514.114.013.913.112.9
Percentage of Assets dgx:LaboratoryEquipmentFurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.0

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value526341429430379370367365352372
Percentage of PropertyPlantAndEquipmentGross11.48.110.811.711.111.411.713.013.414.6
Percentage of Assets3.82.73.94.13.83.73.74.13.84.0
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2023302021401931361321307443
Percentage of PropertyPlantAndEquipmentGross4.47.85.13.85.64.24.24.62.81.7
Percentage of Assets1.42.61.81.31.91.41.31.50.80.5
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value42252929282828302835
Percentage of PropertyPlantAndEquipmentGross0.90.60.70.80.80.90.91.11.11.4
Percentage of Assets0.30.20.30.30.30.30.30.30.30.4
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value666639606544533535538452436423
Percentage of PropertyPlantAndEquipmentGross14.415.115.314.815.516.617.216.116.616.6
Percentage of Assets4.75.05.55.25.35.45.45.14.74.5
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value120911061013934834
Percentage of PropertyPlantAndEquipmentGross26.226.225.525.424.3
Percentage of Assets8.68.69.28.98.3
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value2992277626822526240023072193200118681743-1652.815-1513.436
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.321.624.424.123.823.222.222.420.118.7-19.4-17.7

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value25272627252527232524282222222019181718181719202020212324252219201919141920201919189.849109.9159.279.359
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AmortizationOfIntangibleAssets us-gaap:NatureOfExpense

dgx:AmortizationofIntangibleAssets


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value283028282423252424222222
Percentage of AmortizationOfIntangibleAssets107.7111.1112.0112.088.9100.0100.0100.085.7100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets dgx:AmortizationofIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.0

dgx:EquityinEarningsofEquityMethodInvestees


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.03.03.03.03.02.05.05.04.05.04.04.0
Percentage of AmortizationOfIntangibleAssets7.711.112.012.011.18.720.020.814.322.718.218.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets dgx:EquityinEarningsofEquityMethodInvestees0.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1622162416271544150514611453135113071277128811941168115611451097104510271029952937925925886906902933888884851805749751753755782788781799806820821834825
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.611.711.610.911.612.111.311.211.110.711.710.910.910.810.910.510.310.210.29.49.39.29.38.89.38.59.49.19.18.99.08.48.38.18.18.48.48.38.68.68.78.99.89.6

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value704568706873688067896694661966176605660565636447641463926335616460806001600060005996599659055895598759866032602660245920564956285665563055355837582258355795579658165118510150835054
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.849.349.048.652.355.651.555.156.255.359.658.759.759.860.359.059.859.459.459.059.359.459.358.561.656.461.161.561.762.063.163.062.760.559.662.662.061.762.262.161.755.559.859.40.0

us-gaap:Goodwill us-gaap:BusinessAcquisition

dgx:MercyHealth


Goodwillus-gaap:
Period End2021-06-01
Value171
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets dgx:MercyHealth0.0

dgx:MidAmericaClinicalLaboratoriesLLCMACL


Goodwillus-gaap:
Period End2020-08-01
Value84
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets dgx:MidAmericaClinicalLaboratoriesLLCMACL0.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value117211411167119211411138112111381172120012071168116611741119102994993394997299010089841004102210411071109511171078896903929899872100210161041103510541082795796823
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.18.28.38.48.89.48.79.510.010.111.010.610.811.010.79.99.39.29.49.69.810.09.910.010.59.810.811.211.411.310.010.110.39.79.410.810.811.011.111.311.58.69.39.6

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass

dgx:TotalAmortizingIntangibleAssets


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value936905931956905902885902936964971932930938883793713697713736754772748768777796826850872833651658681651624697714733728747771489494525
Percentage of IntangibleAssetsNetExcludingGoodwill79.979.379.880.279.379.378.979.379.980.380.479.879.879.978.977.175.174.775.175.776.276.676.076.576.076.577.177.678.177.372.772.873.472.571.669.670.370.470.470.971.361.662.163.8
Percentage of Assets7.36.56.66.87.07.56.97.58.08.18.88.58.78.88.47.67.06.97.17.27.57.67.57.68.07.58.48.78.98.77.37.47.57.06.77.57.67.87.88.08.25.35.86.1
Percentage of Assets dgx:TotalAmortizingIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value853822841862807800811823850874877851858862806715631612625642655668640643645657670683694653460457466429393431438448437445456436441470
Percentage of IntangibleAssetsNetExcludingGoodwill72.872.072.172.370.770.372.372.372.572.872.772.973.673.472.069.566.565.665.966.066.266.365.064.063.163.162.662.462.160.651.350.650.247.845.143.143.143.042.242.342.154.855.557.1
Percentage of Assets6.65.96.06.16.26.66.36.87.27.38.07.78.08.17.76.86.26.16.26.36.56.66.46.46.66.26.87.07.16.85.15.15.24.64.24.64.74.74.74.84.84.75.25.5
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncompeteAgreements


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1.01.01.01.01.01.01.01.01.01.01.01.01.02.02.02.02.02.02.02.03.03.03.03.03.03.06.08.0111316171919212326283133362.2872.7524.602
Percentage of IntangibleAssetsNetExcludingGoodwill0.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.30.30.30.30.30.30.60.71.01.21.81.92.12.12.52.42.62.83.03.23.40.30.30.6
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.20.20.20.20.20.30.30.30.30.40.40.00.00.1
Percentage of Assets us-gaap:NoncompeteAgreements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value9.010.013161922252839
Percentage of IntangibleAssetsNetExcludingGoodwill0.80.91.11.31.71.92.22.53.2
Percentage of Assets0.10.10.10.10.10.20.20.20.4
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.0

us-gaap:TechnologyBasedIntangibleAssets


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value764854505358
Percentage of IntangibleAssetsNetExcludingGoodwill6.54.34.54.55.65.9
Percentage of Assets0.50.40.50.50.50.6
Percentage of Assets us-gaap:TechnologyBasedIntangibleAssets0.00.00.00.00.00.0

us-gaap:UnpatentedTechnology


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value737276777879485051535459495050515252535455565872747780838688919310010210513213413513714014635
Percentage of IntangibleAssetsNetExcludingGoodwill6.26.36.56.56.86.94.34.44.44.44.55.14.24.34.55.05.55.65.65.65.65.65.97.27.27.47.57.67.78.210.210.410.811.412.113.213.313.013.213.313.54.4
Percentage of Assets0.60.50.50.50.60.70.40.40.40.40.50.50.50.50.50.50.50.50.50.50.50.60.60.70.80.70.80.80.90.91.01.01.11.11.11.41.41.41.51.51.60.4
Percentage of Assets us-gaap:UnpatentedTechnology0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:TradeNames


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value235235235235235235235235235235235235235235235235235235235235235235235235244244244244244244244244246246246303300302300300305302
Percentage of IntangibleAssetsNetExcludingGoodwill20.120.620.119.720.620.721.020.720.119.619.520.120.220.021.022.824.825.224.824.223.723.323.923.423.923.422.822.321.822.627.227.026.527.428.230.329.629.129.028.528.237.9
Percentage of Assets1.81.71.71.71.82.01.82.02.02.02.12.12.22.22.22.32.32.32.32.32.32.32.42.32.52.32.52.52.52.62.72.72.72.62.73.33.23.23.23.23.23.5
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-09-30
Value936905956
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0
Percentage of Assets7.36.56.8

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5896006045355225125185085114970.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets4.64.34.33.84.04.24.04.24.34.20.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value176170176164158188160152141126119118128128136146146147148155223204174163219254238229227213215219219212204223288274280273233188189150
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.21.31.21.21.61.21.31.21.11.11.11.21.21.31.41.41.51.51.52.22.01.71.62.32.42.42.32.32.22.42.52.42.32.22.43.12.93.02.92.52.02.21.8

Accounts Payable And Accrued Liabilities Current

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1404155916331686114298110411059951102910211085957976102110479129799751039110493210149731074104611911058103896992099491593510169158809719069289981137865888
Percentage of AccountsPayableAndAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.911.211.611.98.88.18.18.88.18.69.39.98.99.19.710.09.09.79.710.210.99.210.29.711.09.912.110.810.610.110.311.110.110.010.99.89.410.39.710.010.612.310.110.4

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value4327179.03.04.0637.0774.591
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.20.10.00.00.60.10.80.0

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312011-12-312010-12-312009-12-31
Value356223274246254257277348337322
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.51.72.52.32.52.62.83.74.03.8

Dividends Payable Current

us-gaap:DividendsPayableCurrent

us-gaap:DividendsPayableCurrent


Dividends
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value76717161625548
Percentage of DividendsPayableCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.60.60.60.60.60.5

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value15511707177623891843112919902011190422821485138912621117105710529179859811046111110901173113312422089170911901258119211321238129012081047107013241525156117641993176612141059
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.112.312.716.914.29.415.516.716.219.113.512.611.710.410.110.19.09.79.710.311.010.811.811.212.819.717.312.112.912.512.713.914.313.011.311.514.116.116.818.921.119.214.212.4

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2.02.02.05555553.08048058071108464366.07.07.015815916016810435182225282129.404569750909629348170
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.03.94.30.06.36.76.99.34.20.30.10.10.11.61.61.61.79.85.20.20.30.32.40.16.18.19.66.84.12.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1451461411481461451451471461450.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.11.01.01.01.11.21.11.21.21.20.0

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value4015457345754036477039933976423938933784373438223842389836513731373647313762375437633752333233633939
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.632.335.233.537.133.233.835.535.436.037.037.638.038.636.637.038.444.638.138.338.639.337.236.242.3

us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

dgx:FourPointSevenZeroPercentSeniorNotesdue2021, us-gaap:SeniorNotes


Long
Period End2020-09-302020-06-302019-12-31
Value551552554
Percentage of LongTermDebt12.012.111.6
Percentage of Assets3.94.24.3
Percentage of Assets dgx:FourPointSevenZeroPercentSeniorNotesdue2021 us-gaap:SeniorNotes0.00.00.0

dgx:FourpointtwofivepercentSeniorNotesDue2024, us-gaap:SeniorNotes


Long
Period End2020-12-312020-09-302020-06-302019-12-31
Value316317318308
Percentage of LongTermDebt7.96.97.06.5
Percentage of Assets2.32.22.42.4
Percentage of Assets dgx:FourpointtwofivepercentSeniorNotesDue2024 us-gaap:SeniorNotes0.00.00.00.0

dgx:ThreePointFiveZeroPercentSeniorNotesdueMarch2025, us-gaap:SeniorNotes


Long
Period End2020-12-312020-09-302020-06-302019-12-31
Value622623624593
Percentage of LongTermDebt15.513.613.612.4
Percentage of Assets4.44.44.84.6
Percentage of Assets dgx:ThreePointFiveZeroPercentSeniorNotesdueMarch2025 us-gaap:SeniorNotes0.00.00.00.0

dgx:ThreePointFourFivePercentSeniorNotesdueJune2026, us-gaap:SeniorNotes


Long
Period End2020-12-312020-09-302020-06-302019-12-31
Value512513513490
Percentage of LongTermDebt12.811.211.210.3
Percentage of Assets3.73.63.93.8
Percentage of Assets dgx:ThreePointFourFivePercentSeniorNotesdueJune2026 us-gaap:SeniorNotes0.00.00.00.0

dgx:TwoPointEightZeroPercentSeniorNotesDueJune2031, us-gaap:SeniorNotes


Long
Period End2020-12-312020-09-302020-06-302019-12-31
Value5495495490.0
Percentage of LongTermDebt13.712.012.00.0
Percentage of Assets3.93.94.20.0
Percentage of Assets dgx:TwoPointEightZeroPercentSeniorNotesDueJune2031 us-gaap:SeniorNotes0.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value40134018402040333966318831693131342937483728381538353740349235713568368832443120
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.628.430.933.530.926.526.926.231.235.736.937.537.937.035.135.436.734.732.834.9

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value40084010401340184020403339663188316931313429339434083718374837593732372537283815383537403492357135683688324437323738372431203122312131463354337533783365337033673332359426412936
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.228.828.628.430.933.530.926.526.926.231.230.931.734.835.736.036.736.836.937.537.937.035.135.436.734.732.838.138.339.034.935.034.533.836.136.236.035.636.236.135.339.031.034.3

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4145504650464649505151484036343436333231323029323028292827282528262722262526222221232021
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.40.30.40.40.40.40.40.40.50.40.40.30.30.30.40.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.20.30.30.30.20.20.20.30.20.3

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value792842847782753699711685689713745761738717663722709658654542520529514680566565594669642614723694685663635674668664666649654625618556
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.26.06.05.55.85.85.55.75.96.06.86.96.96.76.36.97.06.56.55.35.15.25.26.85.85.36.06.86.66.48.17.87.67.16.87.27.17.07.27.06.96.87.26.5

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4925034994284164094134054133930.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets3.83.63.63.03.23.43.23.43.53.30.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value140
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets1.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value122
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.9

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value87
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.6

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value57
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.4

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value153
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets1.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value640558552559538550
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0
Percentage of Assets4.64.34.64.84.50.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value719
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets5.1

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value79
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.6

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value58996745675964005831565756415605545952905216531752235030492147944697463046284663453746364684458943144243430141824092399239483842391141994163417139953869369235223429321440333989
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.948.448.245.344.946.943.946.646.444.347.448.448.647.046.945.946.245.845.845.844.945.947.045.644.440.043.542.741.941.844.143.043.345.144.844.842.540.939.737.836.434.847.346.6

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value5940679068096446588157035687565455095341526753655263506649554828473346634660469445694666471346214344427143304210411940203973387139384227418541974021389637143544345032384054388039463929401136253345
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.248.748.545.645.347.344.347.046.844.747.948.849.047.447.246.246.546.146.146.145.246.247.345.944.740.243.843.042.242.144.443.443.645.445.145.042.841.239.938.036.635.147.50.00.00.046.80.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-10.0-31.0-21.0-42.0-55.0-58.0-39.0-55.0-58.0-55.0-59.0-58.0-57.0-41.0-48.0-48.0-60.0-68.0-72.0-61.0-56.0-40.0-38.0-31.0-25.0-30.0-27.0-15.0-8.0-11.0-8.0-7.988-12.769101413-8.36910-8.067-5.4443432106.276-48.23-22.634-20.961-68.06825
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.2-0.5-0.3-0.7-0.9-1.0-0.7-1.0-1.1-1.0-1.1-1.1-1.1-0.8-1.0-1.0-1.3-1.5-1.5-1.3-1.2-0.9-0.8-0.7-0.6-0.7-0.6-0.4-0.2-0.3-0.2-0.2-0.30.20.30.3-0.20.3-0.2-0.21.01.00.30.2-1.2-0.6-0.5-1.90.8
Percentage of Assets-0.1-0.2-0.1-0.3-0.4-0.5-0.3-0.5-0.5-0.5-0.5-0.5-0.5-0.4-0.5-0.5-0.6-0.7-0.7-0.6-0.6-0.4-0.4-0.3-0.3-0.3-0.3-0.2-0.1-0.1-0.1-0.1-0.10.10.20.1-0.10.1-0.1-0.10.40.30.10.00.00.0-0.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2555282428412801276427382722270526862671266726562633261626122585256525422545252624722493248124692444242724182406239423812379230623262364237023612357234723472331231723052311230522902276230222622210
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest43.041.641.743.547.048.047.947.848.850.050.649.550.051.652.753.554.254.554.653.854.153.452.653.456.356.855.857.158.159.259.959.659.155.956.656.358.660.263.265.867.171.257.059.458.057.957.462.466.1
Percentage of Assets19.920.320.319.821.322.721.222.522.822.424.224.224.524.524.924.825.225.125.224.824.524.724.924.525.122.924.524.524.524.926.625.825.825.425.525.325.124.825.225.024.625.027.10.00.00.026.90.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.1542.1542.1532.1512.1512.1512.1512.1462.1462.1462.1462.1422.1422.1422.1422.1412.1412.137
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value41455046504646495051514840363434363332313230293230282928272825282627222625262222212320232225212021
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.70.70.70.70.90.80.80.90.91.01.00.90.80.70.70.70.80.70.70.70.70.60.60.70.70.70.70.70.70.70.60.70.70.60.50.60.60.70.60.60.60.70.50.60.60.60.50.60.6
Percentage of Assets0.30.30.40.30.40.40.40.40.40.40.50.40.40.30.30.30.40.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.20.30.30.30.20.20.20.30.20.00.00.00.30.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value10246969093038800830781978174799278497694760275467401724971386946684767156613652063846244619960665793572957235581550054155358525948984778469046824546439542634101394537973867371835373361321625612057
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest172.5142.7136.6136.5141.3143.7143.7141.4142.5144.1144.3140.7140.6143.1144.1143.9144.7144.0141.9138.9139.7133.8131.5131.3133.4134.1132.2132.6133.5134.7134.9135.9124.4113.0112.1111.5113.1112.8114.8115.7114.3117.395.495.889.685.580.270.761.5
Percentage of Assets79.769.666.362.263.968.063.666.566.764.569.168.768.967.868.066.567.366.465.564.163.261.862.260.259.654.057.956.956.456.759.958.954.251.350.550.248.446.545.844.041.841.245.40.00.00.037.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-6894.0-5740.0-5366.0-5161.0-5187.0-5222.0-5218.0-5039.0-5020.0-5022.0-4996.0-4829.0-4756.0-4796.0-4783.0-4691.0-4657.0-4561.0-4460.0-4324.0-4265.0-4063.0-3960.0-3917.0-3900.0-3885.0-3815.0-3792.0-3796.0-3795.0-3783.0-3717.583-3302.686-2955.596-2914.479-2888.603-2902.533-2886.217-2912.324-2906.546-2869.15-2923.388-2158.129-2175.402-1858.255-1712.669-1510.548-1152.921-971.743
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-116.1-84.5-78.8-80.1-88.2-91.6-91.8-89.1-91.1-94.0-94.9-90.0-90.4-94.7-96.5-97.2-98.4-97.8-95.7-92.1-93.3-87.1-84.0-84.8-89.8-91.0-88.1-90.1-92.2-94.4-95.2-96.0-83.9-69.9-69.6-68.8-72.2-74.1-78.4-82.0-83.1-90.3-53.2-56.1-47.1-43.6-37.7-31.8-29.0
Percentage of Assets-53.6-41.2-38.3-36.5-39.9-43.3-40.6-41.9-42.7-42.1-45.4-44.0-44.3-44.8-45.5-44.9-45.8-45.1-44.2-42.5-42.2-40.2-39.8-38.9-40.1-36.6-38.6-38.7-38.9-39.7-42.3-41.6-36.5-31.8-31.4-31.0-30.9-30.5-31.3-31.2-30.4-31.7-25.30.00.00.0-17.60.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02154000.02154000.02153000.02151000.02151000.02151000.02151000.02146000.02146000.02146000.02146000.02142000.02141000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value25552824284128012764273827222705268626712667265626332616261225852565254225452526247224932481246924442427241824062394238123792306232623642370236123572347234723312317230523112302
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.920.320.319.821.322.721.222.522.822.424.224.224.524.524.924.825.225.125.224.824.524.724.924.525.122.924.524.524.524.926.625.825.825.425.525.325.124.825.225.024.625.027.126.9

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value102469690930388008307819781747992784976947602754674017249713869466847671566136520638462446199606657935729572355815500541553585259489847784690468245464395426341013945379738673216
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets79.769.666.362.263.968.063.666.566.764.569.168.768.967.868.066.567.366.465.564.163.261.862.260.259.654.057.956.956.456.759.958.954.251.350.550.248.446.545.844.041.841.245.437.6

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-10.0-31.0-21.0-42.0-55.0-58.0-39.0-55.0-58.0-55.0-59.0-58.0-57.0-41.0-48.0-48.0-60.0-68.0-72.0-61.0-56.0-40.0-38.0-31.0-25.0-30.0-27.0-15.0-8.0-11.0-8.0-7.988-12.769101413-8.36910-8.067-5.444343210-20.961
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.1-0.2-0.1-0.3-0.4-0.5-0.3-0.5-0.5-0.5-0.5-0.5-0.5-0.4-0.5-0.5-0.6-0.7-0.7-0.6-0.6-0.4-0.4-0.3-0.3-0.3-0.3-0.2-0.1-0.1-0.1-0.1-0.10.10.20.1-0.10.1-0.1-0.10.40.30.1-0.2

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:CashFlowHedging


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-1.01.01.01.04.04.0-4.0-7.0-8.09.09.08.09.08.09.010.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax10.0-3.2-4.8-2.4-7.3-6.910.312.713.8-16.4-15.3-13.8-15.8-19.5-18.8-13.9
Percentage of Assets-0.00.00.00.00.00.0-0.0-0.1-0.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:CashFlowHedging0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

dgx:OtherEquityComponents


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value-1.0-1.0-1.0-1.0-1.0-1.0-2.0-1.0-5.0-2.00.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax4.82.61.72.11.42.67.412.5-34.924.80.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.00.0
Percentage of Assets dgx:OtherEquityComponents0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302016-12-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value-1.0-4.0-9.0-9.09.010.0-10.0-12.0-15.0-5.0-6.187-6.397-6.607-6.817-7.025-7.235-7.445-7.655
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax4.810.315.318.8-18.8-16.713.931.655.662.577.550.1-65.4-47.6-50.386.4-70.594.9
Percentage of Assets-0.0-0.0-0.1-0.10.10.1-0.1-0.1-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value8.08.00.00.0-3.0-1.0-1.00.0-1.205-1.184-4.374-4.326-1.271-1.11-1.154-1.355
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-38.1-20.5-0.0-0.04.22.63.7-0.015.19.3-43.3-30.2-9.113.3-10.916.8
Percentage of Assets0.10.10.00.0-0.0-0.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-21.0-39.0-59.0-48.0-72.0-38.0-27.0-8.014-8.06710-20.961-68.06825
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets-0.1-0.3-0.5-0.5-0.7-0.4-0.3-0.10.2-0.10.1-0.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-27.0-42.0-49.0-38.0-58.0-24.0-9.0-2.0-0.596-5.188212522-0.024190.94313-13.408-62.99431
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax128.6107.783.179.280.663.233.325.07.540.6208.8177.8159.40.3181.4-11.7130.564.00.00.0
Percentage of Assets-0.2-0.3-0.4-0.4-0.6-0.2-0.1-0.0-0.0-0.10.20.30.2-0.00.20.00.2-0.20.00.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value689457405366516151875222521850395020502249964829475647964783469146574561446043244265406339603917390038853815379237963795378337173302295529142888290228862912290628692923-2158.129-1510.548
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets53.641.238.336.539.943.340.641.942.742.145.444.044.344.845.544.945.845.144.242.542.240.239.838.940.136.638.638.738.939.742.341.636.531.831.431.030.930.531.331.230.431.7-25.3-17.6

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4145504650464649505151484036343436333231323029323028292827282528262722262526222221232021
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.40.30.40.40.40.40.40.40.50.40.40.30.30.30.40.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.20.30.30.30.20.20.20.30.20.3

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value211834321714121215178.0191519251720171716181813121512131313123.8937.592115.0197.2458.9091420211516188.885161711
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value211834321714121215167.0171418241619161615171711121411121312112.6456.637104.1866.4077.929131920141518-17.935151610
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.094.187.589.593.394.796.094.195.094.194.193.894.494.484.6100.093.391.792.3100.092.391.767.987.491.683.488.489.093.196.095.694.894.295.7-201.994.994.492.5
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value212218223.06.013111310.0121110.0111314119.010.01210.09.0149.09.010.08.09.0113.0107.934103.366138.3179.9115.8849.9068.915115.268-62.3078.738115.489
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value212218223.06.013111310.0121110.0111314119.010.01210.09.0149.09.010.08.09.0113.0107.934103.366138.3179.9115.8849.9068.915115.268-62.3078.738115.489
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value46073154186235524734829932127529540232318032336229419630430132114327121227552303271280842101862084738039425016133733759160339330209239
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.054100.00.035500.024700.017400.029900.032100.027500.00.040200.032300.00.00.036200.00.019600.00.00.032100.00.00.00.00.00.030300.027100.00.08400.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value437-93.0-168.0-193.0-205.0-206.0-100.0-109.0-92.0-110.0-346.0-125.0-126.0-204.0-366.0-247.0-170.0-22.0-107.0-72.0217-190.0-125.0-114.0-68.0-55.0-91.0-93.0-205.0-636.0-105.64453120-140.128-42.149-44.449-47.298-83.243-41.377-194.092-967.213-40.753-76.676-47.79-49.45-42.594
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.0-16800.00.0-20500.0-20600.0-5000.0-10900.0-9200.0-11000.00.0-12500.0-12600.00.00.0-24700.00.0-2200.00.00.021700.00.00.00.00.00.0-9100.0-9300.00.0-63600.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1567.0-566.0-820.0-52.0496-891.0510-29.0-420.0164-77.0-146.0-189.011-170.0-79.0-177.0-166.0-244.0-106.0-383.042-136.0-125.0-1031.0785-190.0-152.0-75.0509-76.172-629.388-340.74-59.7-217.214-332.144-175.266-97.471-242.308-216.94697425-182.873-360.911-175.07-267.638
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.0-82000.00.049600.0-89100.025500.0-2900.0-42000.016400.00.0-14600.0-18900.00.00.0-7900.00.0-16600.00.00.0-38300.00.00.00.00.00.0-19000.0-15200.00.050900.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-670.072617646-850.0161-191.03291318.0-13.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.00.064600.0-85000.016100.0-19100.032900.013100.0800.00.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-72.0-17.073-11.09.0140.02.010.03.021131524-81.01168111823-12.08.0-26.0143-19.014445.0-16.0-10.0227.893-10.822-0.1696.396114.132-15.43725-5.63547-38.766-14.205-0.971-7.2653.563
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, dgx:Q2Solutions


Deferred
Period End2021-06-30
Value72
Percentage of DeferredIncomeTaxExpenseBenefit-100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1001019889898582828184817777747369666263636162747775787979817572687170717171727173726363646263
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-127.0-138.0100280160-85.0-50.03210.071-101.0393097338068117276710414548516697526939152
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-58.0-2.02117-13.0121131-33.0-5.0-1.07.0-5.0-32.0122.07.05.0-10.0-3.03.0-15.00.0393.0-1.0-12.06.0-5.09.0-2.3085.723.0954.49313-18.1872.3749.932-25.098.72210-8.7471.05216-4.93.388
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value46073154186235524734829932127529540232318032336229419630430132114327121227552303271280842101862084738039425016133733759160339330209239
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.054100.00.035500.024700.017400.029900.032100.027500.00.040200.032300.00.00.036200.00.019600.00.00.032100.00.00.00.00.00.030300.027100.00.08400.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value631469579568185992532152261641272132191772541611931641551921951021883421186119012913310414340516513555163177159189171163-53.861165198194162181192188167
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.057900.00.018500.09900.012650.021500.022600.016400.00.021300.021900.00.00.016100.00.016400.00.00.019500.00.00.00.00.00.019000.012900.00.010400.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value6504906095911931062652262391761392272331892671752071751672052091142003541297020013914211115141317414365171186168198181171-46.662174207203171190201198175
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.060900.00.019300.010600.013250.022600.023900.017600.00.022700.023300.00.00.017500.00.017500.00.00.020900.00.00.00.00.00.020000.013900.00.011100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value211834321714121215178.0191519251720171716181813121512131313123.8937.592115.0197.2458.9091420211516188.885161711
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value437-93.0-168.0-193.0-205.0-206.0-100.0-109.0-92.0-110.0-346.0-125.0-126.0-204.0-366.0-247.0-170.0-22.0-107.0-72.0217-190.0-125.0-114.0-68.0-55.0-91.0-93.0-205.0-636.0-105.64453120-140.128-42.149-44.449-47.298-83.243-41.377-194.092-967.213-40.753-76.676-47.79-49.45-42.594
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.0-16800.00.0-20500.0-20600.0-5000.0-10900.0-9200.0-11000.00.0-12500.0-12600.00.00.0-24700.00.0-2200.00.00.021700.00.00.00.00.00.0-9100.0-9300.00.0-63600.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8486162918283172968547151817873826365421286157479452615689102496875505549594447294339393869474939
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1567.0-566.0-820.0-52.0496-891.0510-29.0-420.0164-77.0-146.0-189.011-170.0-79.0-177.0-166.0-244.0-106.0-383.042-136.0-125.0-1031.0785-190.0-152.0-75.0509-76.172-629.388-340.74-59.7-217.214-332.144-175.266-97.471-242.308-216.94697425-182.873-360.911-175.07-267.638
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.0-82000.00.049600.0-89100.025500.0-2900.0-42000.016400.00.0-14600.0-18900.00.00.0-7900.00.0-16600.00.00.0-38300.00.00.00.00.00.0-19000.0-15200.00.050900.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value81757576757171727172686968616162626255575655545555484848484343454747272727261515151717171818
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value15004102500.00.0752005050531721000.05011550150150150502751155025391105025253242482450615049505049490.08350.0324175250
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value21.60.623.70.2550.22-0.0040.2290.2360.2370.0090.1810.1620.225-0.0980.3570.3210.318-0.0140.3310.4770.389
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateContinuingOperations us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, dgx:Q2Solutions


Effective
Period End2021-06-30
Value17.6
Percentage of EffectiveIncomeTaxRateContinuingOperations81.5

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:StockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value6.58.08.48.59.17.7
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:StockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value90.3281.6777.3570.1162.2759.65
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-31
Value350264
Percentage of DeferredTaxLiabilities100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value9388107115989112216819919415112670107
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value332654575654603432311312
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dgx:AcceleratedShareRepurchasesInitialPricePaid us-gaap:AcceleratedShareRepurchasesDate

dgx:AcceleratedShareRepurchasesInitialPricePaid

dgx:AcceleratedShareRepurchaseAgreements


Accelerated
Period End2021-04-30
Value1500
Percentage of AcceleratedShareRepurchasesInitialPricePaid100.0

dgx:AmountRecordedInAdditionalPaidInCapitalThatWillBeIncludedInTreasuryStockUponCompletionOfTheAcceleratedShareRepurchaseAgreements us-gaap:AcceleratedShareRepurchasesDate, us-gaap:StatementEquityComponents

dgx:AmountRecordedInAdditionalPaidInCapitalThatWillBeIncludedInTreasuryStockUponCompletionOfTheAcceleratedShareRepurchaseAgreements

dgx:AcceleratedShareRepurchaseAgreements, us-gaap:AdditionalPaidInCapital


Amount
Period End2021-06-30
Value300
Percentage of AmountRecordedInAdditionalPaidInCapitalThatWillBeIncludedInTreasuryStockUponCompletionOfTheAcceleratedShareRepurchaseAgreements100.0

dgx:CARESActFundsDecidedToBeReturned us-gaap:SubsequentEventType

dgx:CARESActFundsDecidedToBeReturned

us-gaap:SubsequentEvent


C
Period End2020-10-23
Value138
Percentage of CARESActFundsDecidedToBeReturned100.0

dgx:CARESActRelatedExpensesOrLostRevenuesAmountReceivedFromSecondaryTranche

dgx:CARESActRelatedExpensesOrLostRevenuesAmountReceivedFromSecondaryTranche


C
Period End2020-08-31
Value73
Percentage of CARESActRelatedExpensesOrLostRevenuesAmountReceivedFromSecondaryTranche100.0

dgx:ChargesDueToCOVID19

dgx:ChargesDueToCOVID19


Charges
Period End2020-12-312020-09-302020-03-31
Value20699.0
Percentage of ChargesDueToCOVID19100.0100.0100.0

dgx:ChargesDueToCOVID19 us-gaap:IncomeStatementLocation

us-gaap:CostOfSales


Charges
Period End2020-09-302020-03-31
Value3.01.0
Percentage of ChargesDueToCOVID194.311.1

us-gaap:OtherOperatingIncomeExpense


Charges
Period End2020-09-302020-03-31
Value655.0
Percentage of ChargesDueToCOVID1994.255.6

dgx:ChargesDueToCOVID19 us-gaap:NatureOfExpense

dgx:EquityinEarningsofEquityMethodInvestees


Charges
Period End2020-12-312020-09-30
Value-2.01.0
Percentage of ChargesDueToCOVID19-10.01.4

dgx:ChargesDueToCOVID19 us-gaap:RestructuringCostAndReserve

us-gaap:CostOfSales


Charges
Period End2020-12-31
Value19
Percentage of ChargesDueToCOVID1995.0

us-gaap:OtherOperatingIncomeExpense


Charges
Period End2020-12-31
Value1.0
Percentage of ChargesDueToCOVID195.0

us-gaap:SellingGeneralAndAdministrativeExpenses


Charges
Period End2020-12-31
Value2.0
Percentage of ChargesDueToCOVID1910.0

dgx:EffectiveTaxRateOnRemeasurementInAcquisition us-gaap:BusinessAcquisition

dgx:EffectiveTaxRateOnRemeasurementInAcquisition

dgx:MidAmericaClinicalLaboratoriesLLCMACL


Effective
Period End2020-08-01
Value11.8
Percentage of EffectiveTaxRateOnRemeasurementInAcquisition100.0

dgx:FairValueOfNetAssetsAcquired

dgx:FairValueOfNetAssetsAcquired


Fair
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value2313.01171201112.00.00.06120559351472961891131.00.04.00.013526352.00.03.02.0187576330.0891400.00.00.0500.04.7291407
Percentage of FairValueOfNetAssetsAcquired100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.0100.00.0100.0100.0

dgx:GainLossRecognizedByEquityMethodInvesteeToAdjustCertainInvestmentsToFairValuePartiallyOffsetByALossOnRetirementOfDebt

dgx:GainLossRecognizedByEquityMethodInvesteeToAdjustCertainInvestmentsToFairValuePartiallyOffsetByALossOnRetirementOfDebt


Gain
Period End2020-12-31
Value-2000000.0
Percentage of GainLossRecognizedByEquityMethodInvesteeToAdjustCertainInvestmentsToFairValuePartiallyOffsetByALossOnRetirementOfDebt100.0

dgx:GainLossRecognizedByEquityMethodInvesteeToAdjustCertainInvestmentsToFairValuePartiallyOffsetByALossOnRetirementOfDebt us-gaap:IncomeStatementLocation

dgx:OtherIncomeExpense


Gain
Period End2020-12-31
Value10000000.0
Percentage of GainLossRecognizedByEquityMethodInvesteeToAdjustCertainInvestmentsToFairValuePartiallyOffsetByALossOnRetirementOfDebt-500.0

us-gaap:SellingGeneralAndAdministrativeExpenses


Gain
Period End2020-12-31
Value2000000.0
Percentage of GainLossRecognizedByEquityMethodInvesteeToAdjustCertainInvestmentsToFairValuePartiallyOffsetByALossOnRetirementOfDebt-100.0

dgx:GainLossRecognizedByEquityMethodInvesteeToAdjustCertainInvestmentsToFairValuePartiallyOffsetByALossOnRetirementOfDebt us-gaap:NatureOfExpense

dgx:EquityinEarningsofEquityMethodInvestees


Gain
Period End2020-12-31
Value-14000000.0
Percentage of GainLossRecognizedByEquityMethodInvesteeToAdjustCertainInvestmentsToFairValuePartiallyOffsetByALossOnRetirementOfDebt700.0

dgx:Mergerconsiderationpaidpayablenet

dgx:Mergerconsiderationpaidpayablenet


Mergerconsiderationpaidpayablenet
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2000000.000000-5000000.0-2000000.0-5000000.00-12000000.0-2000000.0-2000000.0-2000000.00
Percentage of Mergerconsiderationpaidpayablenet100.00.00.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.00.0

dgx:NetIncomeLossExcludingPortionAttributableToNoncontrollingInterestAndExcludingRedeemableNoncontrollingInterest

dgx:NetIncomeLossExcludingPortionAttributableToNoncontrollingInterestAndExcludingRedeemableNoncontrollingInterest


Net
Period End2020-09-302019-09-30
Value586225
Percentage of NetIncomeLossExcludingPortionAttributableToNoncontrollingInterestAndExcludingRedeemableNoncontrollingInterest100.0100.0

dgx:NetIncomeLossExcludingPortionAttributableToNoncontrollingInterestAndExcludingRedeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2020-09-302019-09-30
Value1810.0
Percentage of NetIncomeLossExcludingPortionAttributableToNoncontrollingInterestAndExcludingRedeemableNoncontrollingInterest3.14.4

us-gaap:RetainedEarnings


Net
Period End2020-09-302019-09-30
Value568215
Percentage of NetIncomeLossExcludingPortionAttributableToNoncontrollingInterestAndExcludingRedeemableNoncontrollingInterest96.995.6

dgx:NetIncomeLossExcludingRedeemableNoncontrollingInterest

dgx:NetIncomeLossExcludingRedeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value648486192105
Percentage of NetIncomeLossExcludingRedeemableNoncontrollingInterest100.0100.0100.0100.0

dgx:NetIncomeLossExcludingRedeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value17177.06.0
Percentage of NetIncomeLossExcludingRedeemableNoncontrollingInterest2.63.53.65.7

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value63146918599
Percentage of NetIncomeLossExcludingRedeemableNoncontrollingInterest97.496.596.494.3

dgx:PercentOfTotalValueOfSharesReceivedAtExecutionOfAcceleratedShareRepurchaseAgreements us-gaap:AcceleratedShareRepurchasesDate

dgx:PercentOfTotalValueOfSharesReceivedAtExecutionOfAcceleratedShareRepurchaseAgreements

dgx:AcceleratedShareRepurchaseAgreements


Percent
Period End2021-06-30
Value80.0
Percentage of PercentOfTotalValueOfSharesReceivedAtExecutionOfAcceleratedShareRepurchaseAgreements100.0

dgx:PercentageofNetRevenues us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

dgx:PercentageofNetRevenues

dgx:Capitated, dgx:DiagnosticInformationServicesBusiness, dgx:HealthcareInsurers


Percentageof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.02.002.00.030.0300.030.030.04-0.010.030.040.04-0.010.040.030.04
Percentage of PercentageofNetRevenues100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dgx:Feeforservice, dgx:DiagnosticInformationServicesBusiness, dgx:HealthcareInsurers


Percentageof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value38.038.01.033.00.320.3400.320.320.3300.320.320.340.010.340.340.33
Percentage of PercentageofNetRevenues1266.71900.00.01650.01066.71133.30.01066.71066.7825.0-0.01066.7800.0850.0-100.0850.01133.3825.0

dgx:PercentageofNetRevenues us-gaap:Range, us-gaap:StatementBusinessSegments

srt:Minimum, dgx:DiagnosticInformationServicesBusiness


Percentageof
Period 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
Value95.095.0095.00.950.9500.950.950.9500.95
Percentage of PercentageofNetRevenues3166.74750.00.04750.03166.73166.70.03166.73166.72375.0-0.03166.7

dgx:PercentageofNetRevenues us-gaap:StatementBusinessSegments

dgx:DiagnosticInformationServicesBusiness


Percentageof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value97.097.0097.00.970.9600.960.960.9600.960.960.960.0060.960.950.95
Percentage of PercentageofNetRevenues3233.34850.00.04850.03233.33200.00.03200.03200.02400.0-0.03200.02400.02400.0-60.02400.03166.72375.0

dgx:PercentageofNetRevenues us-gaap:StatementBusinessSegments, us-gaap:Subsegments

dgx:DiagnosticInformationServicesBusiness, dgx:ClientPayers


Percentageof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value34.035.01.040.00.390.3300.330.320.310.010.320.310.300.30.30.3
Percentage of PercentageofNetRevenues1133.31750.00.02000.01300.01100.00.01100.01066.7775.0-100.01066.7775.0750.0-0.0750.01000.0750.0

dgx:DiagnosticInformationServicesBusiness, dgx:GovernmentPayers


Percentageof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value10.010.0-1.010.00.120.1400.150.150.1500.160.160.160.010.170.160.17
Percentage of PercentageofNetRevenues333.3500.00.0500.0400.0466.70.0500.0500.0375.0-0.0533.3400.0400.0-100.0425.0533.3425.0

dgx:DiagnosticInformationServicesBusiness, dgx:HealthcareInsurers


Percentageof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value41.040.01.035.00.350.3700.350.350.37-0.010.350.360.3800.380.370.37
Percentage of PercentageofNetRevenues1366.72000.00.01750.01166.71233.30.01166.71166.7925.0100.01166.7900.0950.0-0.0950.01233.3925.0

dgx:DiagnosticInformationServicesBusiness, dgx:Patients


Percentageof
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value12.012.012.00.1112.013.00.14
Percentage of PercentageofNetRevenues400.0600.0600.0366.740000.043333.3466.7

us-gaap:AllOtherSegments, dgx:DSBusinesses


Percentageof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.03.003.00.030.0400.040.040.0400.040.040.04-0.010.040.050.05
Percentage of PercentageofNetRevenues100.0150.00.0150.0100.0133.30.0133.3133.3100.0-0.0133.3100.0100.0100.0100.0166.7125.0

dgx:RestructuringIntegrationCharges

dgx:RestructuringIntegrationCharges


Restructuring
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value15189.01614162622471925314223231824181921222923313040272412391945364412135.7
Percentage of RestructuringIntegrationCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dgx:RestructuringIntegrationCharges us-gaap:IncomeStatementLocation

us-gaap:CostOfSales


Restructuring
Period End2020-12-312020-06-302020-03-31
Value6.03.07.0
Percentage of RestructuringIntegrationCharges40.033.343.8

us-gaap:SellingGeneralAndAdministrativeExpenses


Restructuring
Period End2020-12-312020-06-302020-03-31
Value9.06.09.0
Percentage of RestructuringIntegrationCharges60.066.756.2

dgx:RestructuringIntegrationCharges us-gaap:RestructuringCostAndReserve

us-gaap:CostOfSales


Restructuring
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-12-31
Value116.07.011112010.0141214129.010.0158.010.07.02.7
Percentage of RestructuringIntegrationCharges61.142.943.842.350.042.652.656.038.733.352.239.155.662.544.452.633.347.4

us-gaap:SellingGeneralAndAdministrativeExpenses


Restructuring
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value7.08.09.01511279.011182811138.07.010.08.012
Percentage of RestructuringIntegrationCharges38.957.156.257.750.057.447.444.058.166.747.856.544.429.255.642.157.1

dgx:ReversalOfIncomeRecognizedDueToReceiptOfInitialTrancheOfFundsFromTheCARESAct

dgx:ReversalOfIncomeRecognizedDueToReceiptOfInitialTrancheOfFundsFromTheCARESAct


Reversal
Period End2020-09-30
Value65
Percentage of ReversalOfIncomeRecognizedDueToReceiptOfInitialTrancheOfFundsFromTheCARESAct100.0

dgx:ReversalOfRecognitionOfCARESActProceeds us-gaap:IncomeStatementLocation

dgx:ReversalOfRecognitionOfCARESActProceeds

us-gaap:OtherOperatingIncomeExpense


Reversal
Period End2020-09-30
Value65
Percentage of ReversalOfRecognitionOfCARESActProceeds100.0

dgx:Sharebasedcompensationexcesstaxbenefitamount

dgx:Sharebasedcompensationexcesstaxbenefitamount


Sharebasedcompensationexcesstaxbenefitamount
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value8.03.04.08.02.03.05.03.01.04.05.08.01.07.013162.03.02.02.0
Percentage of Sharebasedcompensationexcesstaxbenefitamount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dgx:TemporaryequityNoncontrollinginterestDecreasefromDistributionstoNoncontrollingInterestHolders

dgx:TemporaryequityNoncontrollinginterestDecreasefromDistributionstoNoncontrollingInterestHolders


Temporaryequity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3000000.07000000.06000000.02000000.001000000.02000000.01000000.02000000.02000000.01000000.02000000.03000000.04000000.00
Percentage of TemporaryequityNoncontrollinginterestDecreasefromDistributionstoNoncontrollingInterestHolders100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

dgx:ValueOfSharesToBeReceivedUnderAcceleratedShareRepurchaseAgreementsAtExecution us-gaap:AcceleratedShareRepurchasesDate

dgx:ValueOfSharesToBeReceivedUnderAcceleratedShareRepurchaseAgreementsAtExecution

dgx:AcceleratedShareRepurchaseAgreements


Value
Period End2021-06-30
Value1200
Percentage of ValueOfSharesToBeReceivedUnderAcceleratedShareRepurchaseAgreementsAtExecution100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value1.0212.00.00.0130.00.01.01620
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.00.00.0100.00.00.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value1.09.02.00.00.0130.00.01.01620
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.042.9100.00.00.0100.00.00.0100.0100.0100.0

us-gaap:TreasuryStock


Adjustments
Period End2021-06-302021-03-31
Value0.012
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation0.057.1

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

dgx:MidAmericaClinicalLaboratoriesLLCMACL


Business
Period End2020-08-01
Value93
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1

dgx:MidAmericaClinicalLaboratoriesLLCMACL


Business
Period End2020-07-31
Value87
Percentage of BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1100.0

us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain

dgx:MidAmericaClinicalLaboratoriesLLCMACL


Business
Period End2020-09-30
Value70
Percentage of BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain100.0

us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

dgx:MidAmericaClinicalLaboratoriesLLCMACL, dgx:OtherIncomeExpense


Business
Period End2020-08-01
Value70
Percentage of BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain0.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value2030-9.05548112.0241513-2.013131612141312-2.01112134.0119.0111412147.0226.0
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAcquiredFromAcquisition

us-gaap:CashAcquiredFromAcquisition


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value0.0180.03.00.00.00.01.00.00.05.0120.00.00.00.00.00.00.00.00.00.00.00.00.01.09.01.00.00.00.00.00.00.00.00.00.0112
Percentage of CashAcquiredFromAcquisition0.0100.00.0100.00.00.00.0100.00.00.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.00.00.00.00.00.00.00.00.00.0100.0

us-gaap:CashAcquiredFromAcquisition us-gaap:BusinessAcquisition

dgx:MidAmericaClinicalLaboratoriesLLCMACL


Cash
Period End2020-08-01
Value18
Percentage of CashAcquiredFromAcquisition0.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths


Cash
Period End2021-06-302021-03-312020-12-31
Value01000000.00
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths0.0100.00.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 us-gaap:IncomeStatementLocation

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:OtherNonoperatingIncomeExpense


Change
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
Value0.00.01.0-69.011-20.0-40.0-16.0-38.010.07.02513-1.0-11.00.0
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge10.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ContractWithCustomerAssetCreditLossExpense

us-gaap:ContractWithCustomerAssetCreditLossExpense


Contract
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.02.05.06.07.04.01.04.0
Percentage of ContractWithCustomerAssetCreditLossExpense0.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CurrentIncomeTaxExpenseBenefit us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:CurrentIncomeTaxExpenseBenefit

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, dgx:Q2Solutions


Current
Period End2021-06-30
Value127
Percentage of CurrentIncomeTaxExpenseBenefit100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value75747262646058595660575555525350484545454443545755575655565352485250515151515253545352545353
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:FairValueHedging, us-gaap:OtherNonoperatingIncomeExpense


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
Value0.00.0-1.069-11.020401638-10.0-7.0-25.0-13.01.0110.0
Percentage of DerivativeGainLossOnDerivativeNet0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value758276757576717271727168696662626162625656575555545548484847434345474727272726151515-123.061171718
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value758276757576717271727168696662626162625656575555545548484847434345474727272726151515-123.061171718
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount


Effective
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value5.03.04.08.03.05.03.04.05.0
Percentage of EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment

us-gaap:FairValueInputsLevel3


Equity
Period End2021-06-302021-03-31
Value08000000.0
Percentage of EquityMethodInvestmentOtherThanTemporaryImpairment0.0100.0

us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, dgx:Q2Solutions


Equity
Period End2021-06-30
Value-314.0
Percentage of EquityMethodInvestmentRealizedGainLossOnDisposal100.0

us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal us-gaap:StatementScenario, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

srt:ScenarioForecast, dgx:Q2Solutions


Equity
Period End2021-06-30
Value310
Percentage of EquityMethodInvestmentRealizedGainLossOnDisposal-98.7

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings

us-gaap:FairValueInputsLevel3, dgx:ContingentConsideration


Fair
Period End2020-12-312019-12-312019-09-302015-12-312015-09-30
Value0.00.06.0-26.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings0.00.0100.0100.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:IncomeStatementLocation

us-gaap:FairValueInputsLevel3, dgx:ContingentConsideration, us-gaap:OtherOperatingIncomeExpense


Fair
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.01.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings0.00.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements

us-gaap:FairValueInputsLevel3, dgx:ContingentConsideration


Fair
Period End2020-12-312015-12-312015-09-30
Value12000000.000
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements100.00.00.0

us-gaap:FairValueOfAssetsAcquired

us-gaap:FairValueOfAssetsAcquired


Fair
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value234-9.01261201312.00.00.06121159351483142291131.00.04.00.013526352.00.07.01.0199646380.0891510.00.00.0500.04.7291555
Percentage of FairValueOfAssetsAcquired100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.0100.00.0100.0100.0

us-gaap:GoodwillPeriodIncreaseDecrease

us-gaap:GoodwillPeriodIncreaseDecrease


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.0-3.04.03.02.0-2.01.0
Percentage of GoodwillPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10.01742154.0149.0181713129.0111210.09.09.07.09.0119.010.08.01.07.07.07.07.06.06.05.6974.9047.2536.1465.9824.6627.3727.6096.0857.3017.8697.6997.0077.2017.3857.964
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-35.0-164.0-62.047289-47.0-7.053-5.032-70.01154.0-68.0-5.0902.0-95.01320100-77.010.08.071-120.0485947-86.055-8.68.947-77.145423128-116.20966-9.862-27.42-47.1264457-2.655-81.935
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-78.0163-73.04454-3.020-6.0-28.0435.06.0-12.05.0163.0-66.063-32.0-67.07863-26.0-32.07.010.0-106.0-22.0-26.070-169.967111-6.035-28.512683.663-83.391112-82.99982-39.3537814-22.685-56.63398
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value2000000.02000000.002000000.02000000.01000000.01000000.02000000.01000000.02000000.003000000.03000000.03000000.003000000.03000000.04000000.003000000.02000000.01000000.001000000.01000000.02000000.0-1000000.001000000.01000000.0-318000.01295000.01351000.01308000.0-53000.01919000.01307000.01413000.0-48000.01186000.01745000.0-61000.01086000.01840000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeOperating


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value1000000.001000000.01000000.02000000.01000000.01000000.01000000.001000000.01000000.0001000000.001000000.0001000000.0000001000000.01000000.001000000.0
Percentage of InterestAndDividendIncomeOperating100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.0100.00.0100.00.00.0100.00.00.00.00.00.0100.0100.00.0100.0

us-gaap:InterestPaid

us-gaap:InterestPaid


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value46326533554843586328602837495527314632412253215245543751305231513251334732493355175521622135
Percentage of InterestPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAssumed1

us-gaap:LiabilitiesAssumed1


Liabilities
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value3.0-12.09.00.0200.00.00.00.06.00.00.01.018400.00.00.00.00.00.00.00.00.00.04.0-1.012705.0380.00.154100.00.00.00.2690.00.0148
Percentage of LiabilitiesAssumed1100.0100.0100.00.0100.00.00.00.00.0100.00.00.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.0100.00.00.0100.0

us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic

us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic


Net
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value576566184252214206126212219
Percentage of NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value0-7000000.008000000.00003000000.00-1000000.00-1000000.000-2000000.002000000.0-2000000.0-2000000.03000000.00-1274000.0-31000.0363000.0-58000.0-104000.0-161000.044000.0201000.0-523000.0-577000.0-346000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax0.0100.00.0100.00.00.00.0100.00.0100.00.0100.00.00.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax


Other
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value03000000.003000000.01000000.01000000.0001000000.001000000.001000000.0001000000.0001000000.001000000.01000000.01000000.0-5000000.00-3000000.0-2000000.01370000.0210000.0210000.0210000.0208000.0210000.0210000.0210000.0210000.0209000.0210000.0
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax0.0100.00.0100.0100.0100.00.00.0100.00.0100.00.0100.00.00.0100.00.00.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-3.02.02163-5.02.0-5.0111518-1.011-19.01.01.0-3.09.0-1.0-9.024-8.0-1.0-10.0-1.011-6.07.03.00.02.0-2.668-22.854220.6312.4315.614-0.4610.197-14.359-0.6989.904-3.474-37.2893.056
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:OtherOperatingIncomeExpenseNet


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value2.0-1.0-65.062-5.0746.06.09.00.0132.0-1.00.0-1.01.0-1.0-7.0210.0-1.0-11.01.07.0-8.08.00.0-1.0
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic


Participating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value3000000.02000000.01000000.001000000.01000000.001000000.01000000.01000000.001000000.01000000.01000000.001000000.002000000.01000000.0002000000.01000000.0
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic100.0100.0100.00.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.00.0100.0100.00.00.0100.0100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted


Participating
Period End2021-06-302021-03-312020-06-30
Value3000000.01000000.01000000.0
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.07.08.01.03.01517137.07.0-5.0-10.0131.02.0-3.0-5.04.0-21.02.01.08.09.0-10.01.0-1.0-1.0-11.00.01.0-3.610.8740.0980.638-17.767-0.467-0.1242.689-2.406-7.3014.7411.7627.5670.3470.3652.831
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfDividendsMinorityInterest


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value242924243.07.015121512131313151318119.010.01210.09.0149.09.010.08.09.0113.0107.934103.366138.3179.9115.8849.9068.915115.268118.738115.489
Percentage of PaymentsOfDividendsMinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1.0212.00.00.0130.00.01.0151.00.00.0200.00.01.0220.01.01.08.01.00.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.00.00.0100.00.00.0100.0100.0100.00.00.0100.00.00.0100.0100.00.0100.0100.0100.0100.00.0

us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireBusinessesGross


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.01191201112.00.00.05620354
Percentage of PaymentsToAcquireBusinessesGross100.0100.0100.0100.0100.00.00.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition

dgx:MercyHealth


Payments
Period End2021-06-01
Value225
Percentage of PaymentsToAcquireBusinessesGross0.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312010-09-30
Value2311.01011201082.00.00.05620254351302821871111.00.04.00.013526356.00.03.02.015656733-0.05489900.00.0060.012500.10616211360.00.0
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:ProceedsFromDividendsReceived us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:ProceedsFromDividendsReceived

us-gaap:EquityMethodInvestee


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1620218.05.02110.0116.0
Percentage of ProceedsFromDividendsReceived100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromIssuanceOfDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.00.07490.07970.034511394601105859352050.00.00.00.00.0120466523938544013896521522515131062114011760.03032036531225
Percentage of ProceedsFromIssuanceOfDebt0.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-12.0-47.03822-12.0-4.0-21.073-28.0-41.010.06.0-11.018-15.025-3.033-37.0-9.01.00.030-11.0-8.0-33.09.0-3.02.0-15.0172.023-3.191-6.1882.647-7.635-2.75119-15.10712-1.577-17.3873.707-9.7019.266-11.632
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfEquityMethodInvestments us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:ProceedsFromSaleOfEquityMethodInvestments

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, dgx:Q2Solutions


Proceeds
Period End2021-04-01
Value760
Percentage of ProceedsFromSaleOfEquityMethodInvestments100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value511745273780213246204.02437345.028514610.025317.02.03.02035232518123934491418532664326.78843537.7480.6132019
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, dgx:Q2Solutions, dgx:ForeignCurrencyTranslation


Reclassification
Period End2021-06-30
Value20
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0

us-gaap:RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty us-gaap:IncomeStatementLocation, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty

us-gaap:SellingGeneralAndAdministrativeExpenses, us-gaap:EquityMethodInvestee


Related
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3.04.04.04.04.03.04.04.04.03.04.04.04.04.03.05.04.06.04.04.05.014142.02.0
Percentage of RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfDebt

us-gaap:RepaymentsOfDebt


Repayments
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-31
Value1.08018028322.0453440923132467576
Percentage of RepaymentsOfDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringCharges

us-gaap:CostOfSales


Restructuring
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value6.02.01.00.00.0-1.02.03.04.04.02.0
Percentage of RestructuringCharges100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:SellingGeneralAndAdministrativeExpenses


Restructuring
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value0.03.01.00.00.0-2.02.04.08.01.01.0
Percentage of RestructuringCharges0.0150.0100.00.00.0200.0100.0133.3200.025.050.0

us-gaap:RevenueFromRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties

us-gaap:CorporateJointVenture


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.01.00.01.02.01.02.03.0
Percentage of RevenueFromRelatedParties100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestee


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value5.09.010.06.09.09.08.09.09.09.09.09.09.09.08.0119.09.08.08.08.07.08.08.07.0
Percentage of RevenueFromRelatedParties0.0900.01000.00.0900.0450.0800.0450.0300.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value333610040473248385325
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeveranceCosts1

us-gaap:SeveranceCosts1


Severance
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value6.05.02.00.00.0-3.04.04.0114.02.0
Percentage of SeveranceCosts1100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value01000000.00001000000.00001000000.0219000.0117000.0167000.0497000.0114000.0116000.0145000.0851000.0122000.0112000.0133000.0839000.0132000.0124000.0122000.0747000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation0.0100.00.00.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value01000000.00002000000.001000000.01000000.01000000.01000000.001000000.001000000.01000000.01000000.0000001000000.00994000.0700000.01004000.0302000.0377000.01140000.0549000.01401000.0753000.0148000.0955000.01285000.0221000.021000.0474000.0553000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised0.0100.00.00.00.0100.00.0100.0100.0100.0100.00.0100.00.0100.0100.0100.00.00.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value600000.0600000.0900000.0400000.0600000.01100000.0200000.0600000.0800000.0400000.01300000.0400000.0700000.0600000.0-300000.0500000.0900000.0900000.0600000.0500000.0700000.0200000.0-300000.0100000.0400000.0700000.0600000.0600000.0400000.0400000.0700000.0800000.01100000.0400000.0500000.01200000.0700000.01500000.0900000.0200000.01100000.01400000.0400000.0100000.0600000.01000000.0
Percentage of StockIssuedDuringPeriodSharesTreasuryStockReissued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.05.08.04.07.06.05.06.07.06.08.07.05.08.05.06.07.05.06.05.06.05.04.06.06.05.05.05.04.05.04.4095.4085.4634.724.7465.555.5264.5875.2764.65.3844.6675.5224.7675.5584.685
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.0-29.04.01.03.03.02.03.02.02.04.04.02.04.02.03.04.02.02.02.02.01.01.01.03.01.01.01.0080.7360.6770.5790.770.9340.8640.6590.3140.3310.7120.56225-0.4050.713-25.09
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation33.3-580.050.025.042.950.040.050.028.633.350.057.140.050.040.050.057.140.033.340.033.320.025.016.750.020.020.022.913.612.412.316.216.815.614.46.07.213.212.0467.8-8.512.8-535.5

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.0344.03.04.03.03.03.05.04.04.03.03.04.03.03.03.03.04.03.04.04.03.05.03.04.04.04.04.05.03.4064.6724.7854.1373.9764.6164.6623.924.9624.2694.6724.098-20.315.1724.84529
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation66.7680.050.075.057.150.060.050.071.466.750.042.960.050.060.050.042.960.066.760.066.780.075.083.350.080.080.080.0100.0100.077.386.487.687.683.883.284.485.594.092.886.887.8-367.8108.587.2635.5

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value511745273780213246204.02437345.028514610.025317.02.03.02035232518123934491418532664326.78843537.7480.6132019
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.03.04.04.06.0123.04.0-1.01.01.02.01.02.01.01.01.01.01.00.01.00.0-1.0-2.0-2.398-2.148-3.082-1.372-1.159-4.964-1.867-6.978-5.513-0.729-5.188-11.032-3.015-0.449-3.218-7.863
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised17.617.68.914.816.215.014.312.5-2.25.025.08.32.75.920.03.62.02.210.00.04.30.0-5.6-16.7-6.0-6.2-6.3-9.7-6.4-9.3-7.1-10.8-16.8-10.7-11.9-20.5-38.9-73.2-15.7-39.8

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value421441233168182847193.02236324.02750459.025307.02.03.02035222519144236521519582871387.5174864101.0622327
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised82.482.491.185.283.885.085.787.5102.295.075.091.797.394.180.096.498.097.890.0100.096.8100.0100.0100.0100.0100.095.7100.0105.6116.7106.0106.2106.3109.7106.4109.3107.1110.8116.8110.7111.9120.5138.9173.2115.7139.8

us-gaap:StockholdersEquityPeriodIncreaseDecrease us-gaap:AcceleratedShareRepurchasesDate, us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityPeriodIncreaseDecrease

dgx:AcceleratedShareRepurchaseAgreements, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-30
Value-300.0
Percentage of StockholdersEquityPeriodIncreaseDecrease100.0

dgx:AcceleratedShareRepurchaseAgreements, us-gaap:TreasuryStock


Stockholders
Period End2021-06-30
Value1200
Percentage of StockholdersEquityPeriodIncreaseDecrease-400.0

us-gaap:TemporaryEquityNetIncome

us-gaap:TemporaryEquityNetIncome


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value2.04.08.05.01.01.02.01.01.02.01.03.02.01.02.02.02.01.01.02.02.02.01.0
Percentage of TemporaryEquityNetIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired us-gaap:AcceleratedShareRepurchasesDate, us-gaap:StatementEquityComponents

us-gaap:TreasuryStockSharesAcquired

dgx:AcceleratedShareRepurchaseAgreements, us-gaap:TreasuryStock


Treasury
Period End2021-06-30
Value9.1
Percentage of TreasuryStockSharesAcquired100.0

us-gaap:TreasuryStockSharesAcquired us-gaap:StatementEquityComponents

us-gaap:CommonStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value9.03.02.00.00.01.02.01.00.01.02.01.00.01.01.01.02.01.01.03.02.01.00.00.02.01.00.00.01.01.457.2417.2431.0660.8690.8320.8820.847-0.873-1.046-30.756150.0-6.952
Percentage of TreasuryStockSharesAcquired98.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value9.13.42.00.00.00.71.90.50.50.62.00.90.00.51.00.61.41.61.70.93.11.70.80.3
Percentage of TreasuryStockSharesAcquired100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value15004102500.00.0752005050501751000.05010065150150150502751155025391105025253242482450615050505049500.0835-1500.0324175250
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Treasury
Period End2021-06-302016-09-302013-09-30
Value300-38.0115
Percentage of TreasuryStockValueAcquiredCostMethod20.0-76.023.8

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value12004102500.00.0752005050501751000.050100651501501508823711550253911050252532112457405615049505049490.0835-1500.0324175250
Percentage of TreasuryStockValueAcquiredCostMethod80.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0176.086.2100.0100.0100.0100.0100.0100.0100.0100.0100.0263.294.890.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

dgx:AccountsPayableAndAccruedLiabilitiesCurrentCARESActProceeds

dgx:AccountsPayableAndAccruedLiabilitiesCurrentCARESActProceeds


Accounts
Period End2020-09-30
Value138
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentCARESActProceeds100.0

dgx:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxes

dgx:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxes


Business
Period End2020-12-31
Value11
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxes100.0

dgx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedWorkingCapital us-gaap:BusinessAcquisition

dgx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedWorkingCapital

dgx:MidAmericaClinicalLaboratoriesLLCMACL


Business
Period End2020-08-01
Value11
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedWorkingCapital100.0

dgx:BusinessCombinationStepAcquisitionEquityInterestInAcquireeDicountRateUsedToDetermineFairValue us-gaap:BusinessAcquisition

dgx:BusinessCombinationStepAcquisitionEquityInterestInAcquireeDicountRateUsedToDetermineFairValue

dgx:MidAmericaClinicalLaboratoriesLLCMACL


Business
Period End2020-08-01
Value7.5
Percentage of BusinessCombinationStepAcquisitionEquityInterestInAcquireeDicountRateUsedToDetermineFairValue100.0

dgx:BusinessCombinationStepAcquisitionEquityInterestInAcquireeLongTermGrowthRateUsedToDetermineFairValue us-gaap:BusinessAcquisition

dgx:BusinessCombinationStepAcquisitionEquityInterestInAcquireeLongTermGrowthRateUsedToDetermineFairValue

dgx:MidAmericaClinicalLaboratoriesLLCMACL


Business
Period End2020-08-01
Value1.5
Percentage of BusinessCombinationStepAcquisitionEquityInterestInAcquireeLongTermGrowthRateUsedToDetermineFairValue100.0

dgx:DebtInstrumentFairValueBasisAdjustmentAttributableToHedgedDebt

dgx:DebtInstrumentFairValueBasisAdjustmentAttributableToHedgedDebt


Debt
Period End2020-12-312020-09-302019-12-312019-03-312018-12-312017-12-312013-12-312012-12-312011-12-31
Value-51.0563.0405333155856
Percentage of DebtInstrumentFairValueBasisAdjustmentAttributableToHedgedDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0

dgx:DebtInstrumentLeverageRatioRequirement us-gaap:Range, us-gaap:StatementScenario, us-gaap:LongtermDebtType

dgx:DebtInstrumentLeverageRatioRequirement

srt:Maximum, srt:ScenarioForecast, dgx:Seniorunsecuredrevolvingcreditfacility


Debt
Period End2021-09-302021-06-302021-03-312020-12-312020-09-302020-06-30
Value3.54.56.256.55.55.0
Percentage of DebtInstrumentLeverageRatioRequirement100.0100.0100.0100.0100.0100.0

dgx:DeferredTaxAssetsOperatingLeaseLiabilitiesNoncurrent

dgx:DeferredTaxAssetsOperatingLeaseLiabilitiesNoncurrent


Deferred
Period End2020-12-312019-12-31
Value161139
Percentage of DeferredTaxAssetsOperatingLeaseLiabilitiesNoncurrent100.0100.0

dgx:DeferredTaxAssetsTaxDeferredExpenseReservesandAccrualsAccountsReceivables

dgx:DeferredTaxAssetsTaxDeferredExpenseReservesandAccrualsAccountsReceivables


Deferred
Period End2020-12-312019-12-312018-12-31
Value716466
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesandAccrualsAccountsReceivables100.0100.0100.0

dgx:DeferredTaxLiabilityInvestmentsInvestmentsinSubsidiariesandEquitymethodinvestments

dgx:DeferredTaxLiabilityInvestmentsInvestmentsinSubsidiariesandEquitymethodinvestments


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value8180807987900.0
Percentage of DeferredTaxLiabilityInvestmentsInvestmentsinSubsidiariesandEquitymethodinvestments100.0100.0100.0100.0100.0100.00.0

dgx:EquityMethodInvestmentOwnershipPercentDisposedOf us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

dgx:EquityMethodInvestmentOwnershipPercentDisposedOf

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, dgx:Q2Solutions


Equity
Period End2021-04-01
Value40.0
Percentage of EquityMethodInvestmentOwnershipPercentDisposedOf100.0

dgx:EquityMethodInvestmentOwnershipPercentDisposedOf us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:SubsequentEventType

dgx:Q2Solutions, us-gaap:SubsequentEvent


Equity
Period End2021-04-01
Value40.0
Percentage of EquityMethodInvestmentOwnershipPercentDisposedOf100.0

dgx:FiniteLivedIntangibleAssetsEstimatedAmortizationExpenseTotal

dgx:FiniteLivedIntangibleAssetsEstimatedAmortizationExpenseTotal


Finite
Period End2020-12-31
Value931
Percentage of FiniteLivedIntangibleAssetsEstimatedAmortizationExpenseTotal100.0

dgx:FundsinatrustpertainingtoallparticipantdeferralsandcompanymatchingamountsrelatedtotheSDCP us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation

dgx:FundsinatrustpertainingtoallparticipantdeferralsandcompanymatchingamountsrelatedtotheSDCP

dgx:SupplementalDeferredCompensationPlan


Fundsinatrustpertainingtoallparticipantdeferralsandcompanymatchingamountsrelatedtothe
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value6759535851494950
Percentage of FundsinatrustpertainingtoallparticipantdeferralsandcompanymatchingamountsrelatedtotheSDCP100.0100.0100.0100.0100.0100.0100.0100.0

dgx:IncreaseDecreaseinCommonStockDividendsDeclaredasPercent us-gaap:SubsequentEventType

dgx:IncreaseDecreaseinCommonStockDividendsDeclaredasPercent

us-gaap:SubsequentEvent


Increase
Period End2021-02-04
Value10.7
Percentage of IncreaseDecreaseinCommonStockDividendsDeclaredasPercent100.0

dgx:LeaseLiability

dgx:LeaseLiability


Lease
Period End2020-12-312019-12-31
Value667591
Percentage of LeaseLiability100.0100.0

dgx:LeaseRightofUseAsset

dgx:LeaseRightofUseAsset


Lease
Period End2020-12-312019-12-31
Value626553
Percentage of LeaseRightofUseAsset100.0100.0

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDue

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value763
Percentage of LesseeOperatingandFinanceLeaseLiabilityPaymentsDue100.0

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueNextTwelveMonths

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value164
Percentage of LesseeOperatingandFinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearFive

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value60
Percentage of LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearFive100.0

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearFour

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value90
Percentage of LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearFour100.0

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearThree

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value125
Percentage of LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearThree100.0

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearTwo

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value143
Percentage of LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearTwo100.0

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueafterYearFive

dgx:LesseeOperatingandFinanceLeaseLiabilityPaymentsDueafterYearFive


Lessee
Period End2020-12-31
Value181
Percentage of LesseeOperatingandFinanceLeaseLiabilityPaymentsDueafterYearFive100.0

dgx:LesseeOperatingandFinanceLeaseLiabilityUndiscountedExcessAmount

dgx:LesseeOperatingandFinanceLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value96
Percentage of LesseeOperatingandFinanceLeaseLiabilityUndiscountedExcessAmount100.0

dgx:LongTermDebtMaturitiesGross

dgx:LongTermDebtMaturitiesGross


Long
Period End2020-12-312020-09-30
Value40034557
Percentage of LongTermDebtMaturitiesGross100.0100.0

dgx:LongTermDebtMaturityAfterYearFour

dgx:LongTermDebtMaturityAfterYearFour


Long
Period End2020-09-30
Value3696
Percentage of LongTermDebtMaturityAfterYearFour100.0

dgx:NetOperatingLossCarryfowardsNetOfValuationAllowance

dgx:NetOperatingLossCarryfowardsNetOfValuationAllowance


Net
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value61758083120140165114104121
Percentage of NetOperatingLossCarryfowardsNetOfValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dgx:OperatingandFinanceLeaseLiability

dgx:OperatingandFinanceLeaseLiability


Operatingand
Period End2020-12-31
Value667
Percentage of OperatingandFinanceLeaseLiability100.0

dgx:OtherAccountsReceivableRelatedParties us-gaap:BalanceSheetLocation, us-gaap:RelatedPartyTransactionsByRelatedParty

dgx:OtherAccountsReceivableRelatedParties

us-gaap:PrepaidExpensesAndOtherCurrentAssets, us-gaap:EquityMethodInvestee


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1.03.02.02.02.01.01.03.02.03.03.03.05.07.04.014135.015161532
Percentage of OtherAccountsReceivableRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dgx:PercentageofNetAccountsReceivable us-gaap:StatementBusinessSegments

dgx:PercentageofNetAccountsReceivable

dgx:DiagnosticInformationServicesBusiness


Percentageof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value96.096.097.096.00.960.950.950.96
Percentage of PercentageofNetAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0

dgx:PercentageofNetAccountsReceivable us-gaap:StatementBusinessSegments, us-gaap:Subsegments

dgx:DiagnosticInformationServicesBusiness, dgx:ClientPayers


Percentageof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value42.043.046.048.00.420.420.420.41
Percentage of PercentageofNetAccountsReceivable43.844.847.450.043.844.244.242.7

dgx:DiagnosticInformationServicesBusiness, dgx:GovernmentPayers


Percentageof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value6.07.06.06.00.080.10.110.13
Percentage of PercentageofNetAccountsReceivable6.27.36.26.28.310.511.613.5

dgx:DiagnosticInformationServicesBusiness, dgx:HealthcareInsurers


Percentageof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value31.033.034.030.00.310.220.220.22
Percentage of PercentageofNetAccountsReceivable32.334.435.131.232.323.223.222.9

dgx:DiagnosticInformationServicesBusiness, dgx:Patient


Percentageof
Period End2020-12-312020-03-312019-12-312018-12-31
Value11.00.210.20.2
Percentage of PercentageofNetAccountsReceivable11.322.121.120.8

dgx:DiagnosticInformationServicesBusiness, dgx:Patients


Percentageof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value17.013.011.012.00.150.2
Percentage of PercentageofNetAccountsReceivable17.713.511.312.515.621.1

us-gaap:AllOtherSegments, dgx:DSBusinesses


Percentageof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value4.04.03.04.00.040.050.050.04
Percentage of PercentageofNetAccountsReceivable4.24.23.14.24.25.35.34.2

dgx:PercentageofReceivablesDueFromPatients us-gaap:StatementBusinessSegments, us-gaap:Subsegments

dgx:PercentageofReceivablesDueFromPatients

dgx:DiagnosticInformationServicesBusiness, dgx:Patient


Percentageof
Period End2020-12-312019-12-31
Value11.020.0
Percentage of PercentageofReceivablesDueFromPatients100.0100.0

dgx:UnrecordedUnconditionalPurchaseObligationDuewithinTwoandThreeYears

dgx:UnrecordedUnconditionalPurchaseObligationDuewithinTwoandThreeYears


Unrecorded
Period End2020-12-31
Value103
Percentage of UnrecordedUnconditionalPurchaseObligationDuewithinTwoandThreeYears100.0

us-gaap:AccountsPayableRelatedPartiesCurrentAndNoncurrent us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AccountsPayableRelatedPartiesCurrentAndNoncurrent

us-gaap:EquityMethodInvestee


Accounts
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1.01.01.02.01.02.01.01.01.01.01.01.01.016159.01218119.0
Percentage of AccountsPayableRelatedPartiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableTradeCurrent

us-gaap:AccountsPayableTradeCurrent


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value446263222224261279257258203215212207
Percentage of AccountsPayableTradeCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AccountsReceivableRelatedParties

us-gaap:EquityMethodInvestee


Accounts
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value5.03.04.05.05.04.03.04.04.03.03.03.04.03.06.0131110.09.08.06.05.0
Percentage of AccountsReceivableRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedIncomeTaxes

us-gaap:AccruedIncomeTaxes


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value13511385826250110157251164128100
Percentage of AccruedIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedInsuranceCurrent

us-gaap:AccruedInsuranceCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value3130293231605930
Percentage of AccruedInsuranceCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivable


Allowance
Period End2020-12-312019-12-31
Value2815
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value292928272420151517171510.0116.0269286291275265284289269254267265257250261271246236238245238235233249249237242244236228238
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312012-12-312011-12-31
Value757167605852595556535246
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312012-12-312011-12-31
Value555250454277434340342677
Percentage of AssetsFairValueDisclosure73.373.274.675.072.4148.172.978.271.464.250.2165.4

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312012-12-312011-12-31
Value1.02.01212121212120.00.00.6120.646
Percentage of AssetsFairValueDisclosure1.32.817.920.020.723.120.321.80.00.01.21.4

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312012-12-312011-12-31
Value131125129117112141114110968779125
Percentage of AssetsFairValueDisclosure174.7176.1192.5195.0193.1271.2193.2200.0171.4164.2151.4266.8

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2020-12-312019-12-312018-12-31
Value12120.0
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.00.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1.02.0121212121212
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.0100.00.00.00.0100.00.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1.02.0121212121212
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.0100.00.00.00.0100.00.0

us-gaap:BankOverdrafts

us-gaap:BankOverdrafts


Bank
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value15388987130
Percentage of BankOverdrafts100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount

us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount


Business
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value21036190273953290
Percentage of BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount us-gaap:BusinessAcquisition

dgx:MercyHealth


Business
Period End2021-06-01
Value171
Percentage of BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount0.0

dgx:MidAmericaClinicalLaboratoriesLLCMACL


Business
Period End2020-08-01
Value47
Percentage of BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount0.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityMeasurementInput us-gaap:BusinessAcquisition, us-gaap:MeasurementInputType

us-gaap:BusinessCombinationContingentConsiderationLiabilityMeasurementInput

dgx:ReproSourceInc., dgx:MeasurementInputComparableCompanyRevenueVolatility


Business
Period End2020-09-302020-06-302020-03-312019-12-312018-09-302018-09-19
Value8.50.0850.0850.0850.0850.085
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInput100.0100.0100.0100.0100.0100.0

dgx:ReproSourceInc., us-gaap:MeasurementInputDiscountRate


Business
Period End2020-09-302020-06-302020-03-312019-12-312018-09-302018-09-19
Value6.50.0650.0650.0650.0650.065
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInput76.576.576.576.576.576.5

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles

dgx:MidAmericaClinicalLaboratoriesLLCMACL


Business
Period End2020-08-01
Value74
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0

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

dgx:MercyHealth, us-gaap:CustomerRelationships


Business
Period End2021-06-01
Value54
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

dgx:MidAmericaClinicalLaboratoriesLLCMACL


Business
Period End2020-08-01
Value11
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0

us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage

dgx:MidAmericaClinicalLaboratoriesLLCMACL


Business
Period End2020-07-31
Value44.0
Percentage of BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage100.0

us-gaap:CashSurrenderValueFairValueDisclosure us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation

us-gaap:CashSurrenderValueFairValueDisclosure

dgx:SdcpIi


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5043343732293029252120
Percentage of CashSurrenderValueFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashSurrenderValueFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-12-31
Value55525045423643414039344038363736343332313030292830313030302929272520
Percentage of CashSurrenderValueFairValueDisclosure0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.0100.199.7

us-gaap:CashSurrenderValueFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-12-31
Value55525045423643414039344038363736343332313030292830313030302929272520
Percentage of CashSurrenderValueFairValueDisclosure0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.0100.199.7

us-gaap:DebtInstrumentFairValue

us-gaap:DebtInstrumentFairValue


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value45004400460052005100430051004300420044004000380039004100400040004000390039004100410040003700380038005100420042004300420035003600380038003800410043004300440046004600440031003300
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:DebtInstrumentUnamortizedDiscount


Debt
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value11111110.09.09.09.09.01113131416171718212121
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible


Decrease
Period End2020-12-31
Value15
Percentage of DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible100.0

us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation

us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability

dgx:SdcpIi


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value595143453936363430252320
Percentage of DeferredCompensationArrangementWithIndividualRecordedLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dgx:SupplementalDeferredCompensationPlan


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6759535851494950524739
Percentage of DeferredCompensationArrangementWithIndividualRecordedLiability113.6115.7123.3128.9130.8136.1136.1147.1173.3188.0169.6

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value14013212611410895110104104103961041011021039996939189858585818485
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value14013212611410895110104104103961041011021039996939189858585818485
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312011-12-312010-12-312009-12-31
Value941011471552042222421401213736
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value473538415849424358727372
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


Deferred
Period End2020-12-312019-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1461260.0786383677159
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-31
Value151129
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value604484484403533517519
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration

dgx:Q2Solutions, us-gaap:SubsequentEvent


Disposal
Period End2021-04-01
Value760
Percentage of DisposalGroupIncludingDiscontinuedOperationConsideration100.0

us-gaap:DividendsPayableCurrentAndNoncurrent

us-gaap:DividendsPayableCurrentAndNoncurrent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-31
Value77827676757571727272716869666162626262565657555555554848484348
Percentage of DividendsPayableCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value502287249325316305364283334339298349
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

dgx:StockAwards


Employee
Period End2020-12-312013-12-312012-12-31
Value291421
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:StockOption


Employee
Period End2020-12-31
Value9000000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:Range

us-gaap:EquityMethodInvestmentOwnershipPercentage

srt:Maximum


Equity
Period End2020-12-312019-12-31
Value49.00.49
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0

srt:Minimum


Equity
Period End2020-12-312019-12-31
Value20.00.2
Percentage of EquityMethodInvestmentOwnershipPercentage40.840.8

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value111527521480495496482474458454436456456474462459451443443452453471473478464545454446
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2020-12-31
Value27
Percentage of FinanceLeaseLiability100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2020-12-312019-12-31
Value2000000.03000000.0
Percentage of FinanceLeaseLiabilityCurrent100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2020-12-312019-12-31
Value2530
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-31
Value44
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-31
Value28
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2020-12-31
Value4000000.0
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-31
Value3000000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2020-12-31
Value3000000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2020-12-31
Value3000000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-31
Value3000000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-31
Value17
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2020-12-312019-12-31
Value2235
Percentage of FinanceLeaseRightOfUseAsset100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization


Finance
Period End2020-12-312019-12-31
Value1424
Percentage of FinanceLeaseRightOfUseAssetAccumulatedAmortization100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2020-12-312019-12-31
Value8.18.7
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value853827800776749723699674651628605579559556534514495477460447428410393386388428416392369344322304292272253320299280259286269250-239.655-199.113
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

dgx:TotalAmortizingIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value853827800776749723699674651628605579559556534514495477460447428410393386388428416392369344322304292272253320299280259286269250-239.655-199.113
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value682659638617596575556536517497478458440422404388373359346336322309296283278265259245233220210200190182173218209201193185177169-161.345-129.994
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization80.079.779.879.579.679.579.579.579.479.179.079.178.775.975.775.575.475.375.275.275.275.475.373.371.661.962.362.563.164.065.265.865.366.868.568.270.172.074.564.666.067.667.365.3

us-gaap:NoncompeteAgreements


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2.02.02.02.02.02.02.02.02.02.02.02.02.05.05.05.05.05.04.04.03.03.03.03.03.04037353230272421191722191714585552-52.134-50.252
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.20.20.20.30.30.30.30.30.30.30.30.30.40.90.91.01.01.00.90.90.70.70.80.80.89.38.98.98.78.78.48.07.57.26.87.06.76.25.620.320.621.021.825.2

us-gaap:OtherIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value999895949188858275
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization11.611.911.912.112.112.212.212.212.4

us-gaap:TechnologyBasedIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value655650454035
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization8.18.08.38.48.78.9

us-gaap:UnpatentedTechnology


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value706865636058565453515048474645434241403938373545434038363331282531282539353227242216
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization8.28.28.18.18.08.08.08.08.18.18.38.38.48.38.48.48.58.68.78.78.99.08.911.711.19.39.19.28.99.08.78.410.610.39.912.311.711.410.88.58.2-7.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value396366451450
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value10298101101
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear


Finite
Period End2021-06-302021-03-312020-09-30
Value527427
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value91869291
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value96929393
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value98939696
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value101969898
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0100.0100.0100.0

us-gaap:HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease

us-gaap:LongTermDebt, us-gaap:FairValueHedging


Hedged
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value4548515659-63.03.0-11.05.053
Percentage of HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:IntangibleAssetsGrossExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value2025196819671968189018611820181218231828181217471725173016531543144414101409141914181418137713901410146914871487148614221218120812211125
Percentage of IntangibleAssetsGrossExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntangibleAssetsGrossExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass

dgx:TotalAmortizingIntangibleAssets


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value178917321731173216541625158415761587159215761511148914941417130712081174117311831182118211411154116512241242124212411177973962974878
Percentage of IntangibleAssetsGrossExcludingGoodwill88.388.088.088.087.587.387.087.087.187.187.086.586.386.485.784.783.783.383.383.483.483.482.983.082.683.383.583.583.582.879.979.779.778.0

us-gaap:CustomerRelationships


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value15351481147914791403137513671359136713711355130912981284121011031004971971978977977936926923922929928927873670657657566
Percentage of IntangibleAssetsGrossExcludingGoodwill75.875.375.275.274.273.975.175.075.075.074.874.975.274.273.271.569.568.968.968.968.968.968.066.665.562.862.562.462.461.455.054.453.850.3

us-gaap:NoncompeteAgreements


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value3.03.03.03.03.03.03.03.03.03.03.03.03.07.07.07.07.07.06.06.06.06.06.06.06.0434343434343414138
Percentage of IntangibleAssetsGrossExcludingGoodwill0.10.20.20.20.20.20.20.20.20.20.20.20.20.40.40.50.50.50.40.40.40.40.40.40.42.92.92.92.93.03.53.53.43.4

us-gaap:OtherIntangibleAssets


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value108108108110110110110110114
Percentage of IntangibleAssetsGrossExcludingGoodwill5.35.55.55.65.85.96.06.16.3

us-gaap:TechnologyBasedIntangibleAssets


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value141104104959393
Percentage of IntangibleAssetsGrossExcludingGoodwill7.25.75.75.76.66.8

us-gaap:UnpatentedTechnology


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value1431401411401381371041041041041041079696959494939393939393117117117118119119119119119131131
Percentage of IntangibleAssetsGrossExcludingGoodwill7.17.17.27.17.37.45.75.75.75.75.76.15.65.55.76.16.56.66.66.66.66.66.88.48.38.07.98.08.08.49.89.910.711.6

us-gaap:IntangibleAssetsGrossExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:TradeNames


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value235235235235235235235235235235235235235235235235235235235235235235235235244244244244244244244244246246
Percentage of IntangibleAssetsGrossExcludingGoodwill11.611.911.911.912.412.612.913.012.912.913.013.513.613.614.215.216.316.716.716.616.616.617.116.917.316.616.416.416.417.220.020.220.121.9

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value26454746465267616161
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value160
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:DebtInstrument

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LetterOfCredit


Letters
Period End2020-12-312014-12-312013-12-312012-12-31
Value70695960
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:LongtermDebtType

us-gaap:SecuredDebt


Letters
Period End2021-06-302021-03-312020-09-30
Value707071
Percentage of LettersOfCreditOutstandingAmount0.00.00.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

dgx:Seniorunsecuredrevolvingcreditfacility


Line
Period End2021-06-30
Value750
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:SecuredDebt


Line
Period End2020-12-312020-09-302020-06-302020-03-31
Value530529529529
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0

us-gaap:LitigationReserve

us-gaap:LitigationReserve


Litigation
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1.01.01.01.01.01.05.05.02.02.02.02.02.05.03.03.03.09.010.0161211116.05.05.05.05.05.05.05.05.05.03.02.02.024610.0
Percentage of LitigationReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LitigationReserve us-gaap:FairValueByLiabilityClass

dgx:Excludesgeneralandprofessionalliabilityclaims


Litigation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value6.02.01.01.02.01.01.0
Percentage of LitigationReserve0.00.0100.00.00.00.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value3095
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-312020-09-30
Value2.0553
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value602
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-312020-09-30
Value1000000.02000000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-312020-09-30
Value1000000.03000000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear


Long
Period End2020-09-30
Value1000000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear100.0

us-gaap:MalpracticeLossContingencyAccrualUndiscounted

us-gaap:MalpracticeLossContingencyAccrualUndiscounted


Malpractice
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value151142138134136135132132129125125122123113118120119122117119124129124121116113113126121116121124118113110115123165127136137134130135
Percentage of MalpracticeLossContingencyAccrualUndiscounted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-312019-12-31
Value3.23.4
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value6092131184215268326
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value76495668574844
Percentage of OperatingLossCarryforwards126.753.342.737.026.517.913.5

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1000110013001300140014001400
Percentage of OperatingLossCarryforwards1666.71195.7992.4706.5651.2522.4429.4

us-gaap:OtherLongTermDebt us-gaap:DebtInstrument

us-gaap:OtherLongTermDebt

dgx:FinanceLeaseObligationsandOther


Other
Period End2020-12-312019-12-31
Value2734
Percentage of OtherLongTermDebt100.0100.0

dgx:FinanceLeases


Other
Period End2020-09-302020-06-302019-12-31
Value323234
Percentage of OtherLongTermDebt0.00.0100.0

us-gaap:PrepaidTaxes

us-gaap:PrepaidTaxes


Prepaid
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value2.03.01437144144
Percentage of PrepaidTaxes100.0100.0100.0100.0100.0100.0100.0

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount


Redeemable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value7879828077767676767777777677807880787776747270690.0
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount us-gaap:Ownership

dgx:UMassJointVenture


Redeemable
Period End2020-12-312019-12-31
Value8276
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount100.0100.0

us-gaap:RedeemableNoncontrollingInterestEquityFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:RedeemableNoncontrollingInterestEquityFairValue

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Redeemable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value78798280777676767677
Percentage of RedeemableNoncontrollingInterestEquityFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RedeemableNoncontrollingInterestEquityFairValue us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Redeemable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value78798280777676767677
Percentage of RedeemableNoncontrollingInterestEquityFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserve

us-gaap:RestructuringReserve


Restructuring
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value7.09.038229.0192931282836544957402631
Percentage of RestructuringReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserve us-gaap:BalanceSheetLocation

us-gaap:AccountsPayableAndAccruedLiabilities


Restructuring
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value9.06.05.09.011172638182322
Percentage of RestructuringReserve0.00.00.0100.00.00.00.0100.00.00.0100.0

us-gaap:RestructuringReserve us-gaap:RestructuringCostAndReserve

us-gaap:EmployeeSeverance


Restructuring
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value7.09.037216.0161823212331494757402631
Percentage of RestructuringReserve100.0100.097.495.566.784.262.174.275.082.186.190.796.999.599.498.898.7

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

dgx:StockAwards


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1000000.01000000.01100000.01300000.01500000.01700000.01900000.01900000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

dgx:StockAwards


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value100.1293.388.1377.963.8859.9255.557.08
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate

us-gaap:EmployeeStock


Share
Period End2020-12-31
Value10.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

dgx:EmployeeLongTermIncentivePlanEltip


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value797971717171606060
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeStock


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value9.09.09.09.09.05.05.05.05.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized11.411.412.712.712.77.08.38.38.3

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:StockOption


Share
Period End2020-12-31
Value3900000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:StockOption


Share
Period End2020-12-31
Value83.72
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:StockOption


Share
Period End2020-12-31
Value187
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:StockOption


Share
Period End2020-12-31
Value185
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber

us-gaap:StockOption


Share
Period End2020-12-31
Value6400000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:StockOption


Share
Period End2020-12-31
Value90.14
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:StockOption


Sharebased
Period End2020-12-31
Value138
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1


Stock
Period End2021-06-302021-03-312020-12-312020-09-30
Value130025009001200
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0100.0100.0100.0

us-gaap:TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests

us-gaap:TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312012-12-31
Value7879828077767676767777777677807880787776747270690.00.00.0
Percentage of TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:TradingSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:TradingSecurities

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Trading
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value757167605852595556565357565758565453515048484946484949495049504952
Percentage of TradingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TradingSecurities us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Trading
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value757167605852595556565357565758565453515048484946484949495049504952
Percentage of TradingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TradingSecuritiesEquity us-gaap:BalanceSheetLocation

us-gaap:TradingSecuritiesEquity

us-gaap:OtherAssets


Trading
Period End2020-12-312019-12-312018-12-312017-12-31
Value67595358
Percentage of TradingSecuritiesEquity100.0100.0100.0100.0

us-gaap:TreasuryStockShares

us-gaap:TreasuryStockShares


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value9586848283838482828382818181818080797977777573727272717171717169635756565656575756574330
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:UnamortizedDebtIssuanceExpense


Unamortized
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value282930252619202317202425262325262720
Percentage of UnamortizedDebtIssuanceExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value21171413129.0121313119.07.0
Percentage of UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-31
Value75
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary


Unrecorded
Period End2020-12-31
Value106
Percentage of UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary100.0

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount


Unrecorded
Period End2020-12-31
Value334
Percentage of UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount100.0

us-gaap:ValuationAllowancesAndReservesBalance us-gaap:ValuationAllowancesAndReservesType

us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:AllowanceForCreditLoss


Valuation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value281515136.0
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


Operating Margin
us-gaap:StatementBusinessSegments
(None,)
Operating  Marginus-gaap: Statement Business Segments
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments
(None,)
Operating Income Lossus-gaap: Statement Business Segments
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementBusinessSegments
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Statement Business Segments
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:AmortizationOfIntangibleAssets
us-gaap:NatureOfExpense
(None,)
Amortization Of Intangible Assetsus-gaap: Nature Of Expense
us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Intangible Assets Net Excluding Goodwillus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:LongTermDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
(None, 'us-gaap:SeniorNotes')
Long Term Debtus-gaap: Debt Instrument, us-gaap: Longterm Debt Type
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
(None,)
Accumulated Other Comprehensive Income Loss Net Of Taxus-gaap: Statement Equity Components