THC


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

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

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

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
us-gaap:Restatement
us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare
us-gaap:Restatement
us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:IncomeLossFromContinuingOperations
us-gaap:Restatement
us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit
us-gaap:Restatement
us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType
us-gaap:StatementOperatingActivitiesSegment

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:OperatingIncomeLoss
us-gaap:Restatement
us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:Restatement
us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:StatementOperatingActivitiesSegment
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:StatementOperatingActivitiesSegment, us-gaap:Subsegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:StatementOperatingActivitiesSegment
us-gaap:ConsolidationItems, us-gaap:StatementOperatingActivitiesSegment
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:MajorCustomers, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:Restatement
us-gaap:StatementBusinessSegments
us-gaap:StatementOperatingActivitiesSegment

us-gaap:Revenues

us-gaap:Assets
us-gaap:StatementBusinessSegments

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:CashAndCashEquivalentsAtCarryingValue
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:BalanceSheetLocation
us-gaap:StatementOperatingActivitiesSegment

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:AssetsNoncurrent

us-gaap:AmortizationOfIntangibleAssets

us-gaap:LongTermInvestments

us-gaap:Goodwill
us-gaap:BusinessAcquisition
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:AccountsPayableCurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:BalanceSheetLocation

us-gaap:ContractWithCustomerLiabilityCurrent
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:LiabilitiesCurrent
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherLiabilitiesCurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:BalanceSheetLocation
us-gaap:LiabilitiesNoncurrent
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:MinorityInterest
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

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:StatementBusinessSegments, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities
us-gaap:Restatement

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit
us-gaap:Restatement
us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

us-gaap:DepreciationDepletionAndAmortization
us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:NetCashProvidedByUsedInOperatingActivities
us-gaap:Restatement

us-gaap:ProfitLoss
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:Restatement
us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
us-gaap:StatementBusinessSegments

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:RepaymentsOfLongTermDebt
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits
us-gaap:StatementOperatingActivitiesSegment

us-gaap:DeferredTaxAssetsValuationAllowance

thc:AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization
us-gaap:StatementBusinessSegments

thc:AdjustmentsToAdditionalPaidInCapitalPurchaseSaleOfJointVentureInterest
us-gaap:StatementEquityComponents
us-gaap:BusinessAcquisition
thc:BusinessCombinationAcquisitionRelatedTransactionCosts
us-gaap:StatementBusinessSegments
thc:ContractWithCustomerAssetNetCurrentPeriodIncreaseDecrease

thc:EffectOfDilutiveStockOptionsRestrictedStockUnitsAndMandatoryConvertiblePreferredStockPerShareAmount

thc:FinanceLeaseLiabilityIncurred

thc:FinanceLeaseRightOfUseAssetsAcquired

thc:IncomeTaxExpenseBenefitCARESAct

thc:IncreaseDecreaseInInventoriesAndOtherAssetsCurrent

thc:NetGainonSaleConsolidationAndDeconsolidationOfFacilities
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
thc:NetIncomeLossAttributableToInvestee

thc:NumberOfHealthcareFacilities
us-gaap:Range, us-gaap:StatementBusinessSegments
thc:NumberOfHospitalsToWhichSegmentOfTheEntityProvidesRevenueCycleServices

thc:OperatingLeaseLiabilityIncurred

thc:OperatingLeaseRightOfUseAssetsAcquired

thc:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAmortizationOfNetActuarialGainLossArisingDuringPeriodBeforeTax

thc:PaymentsForRestructuringAndLitigationCosts

thc:ProceedsFromGovernmentAssistance
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

thc:ProceedsFromSaleOfMarketableSecuritiesLongTermInvestmentsAndOtherAssets

thc:RestructuringSettlementImpairmentProvisionsAndAcquisitionCost
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
thc:RevenueFromContractWithCustomerExcludingAssessedTaxPercentageOfTotal
us-gaap:CounterpartyName, us-gaap:StatementBusinessSegments
thc:SegmentReportingTransferOfAssetsPercentageOfTotalAssets

thc:SharesIssuedAndShareBasedCompensationExpenseValueShareBasedPaymentArrangementAfterForfeiture
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock
us-gaap:StatementEquityComponents

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AssetImpairmentCharges
us-gaap:StatementBusinessSegments

us-gaap:BusinessCombinationAcquisitionRelatedCosts
us-gaap:CounterpartyName
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:CounterpartyName
us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

us-gaap:BusinessExitCosts1

us-gaap:CapitalExpendituresIncurredButNotYetPaid
us-gaap:BalanceSheetLocation

us-gaap:CapitalizedContractCostAmortization

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations
us-gaap:CounterpartyName, us-gaap:ConcentrationRiskByBenchmark, us-gaap:StatementBusinessSegments
us-gaap:ConcentrationRiskPercentage1
us-gaap:StatementBusinessSegments
us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:IncomeStatementLocation
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:GainLossOnSaleOfBusiness
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:GainLossOnSaleOfProperties

us-gaap:GainLossRelatedToLitigationSettlement
us-gaap:LitigationStatus

us-gaap:HealthCareOrganizationHealthCareCostsGross
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
us-gaap:DisposalGroupClassification
us-gaap:IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance

us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate

us-gaap:IncomeTaxReconciliationMinorityInterestIncomeExpense

us-gaap:IncomeTaxReconciliationNondeductibleExpense

us-gaap:IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost

us-gaap:IncomeTaxReconciliationOtherAdjustments

us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes

us-gaap:IncomeTaxReconciliationTaxExemptIncome

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
us-gaap:Restatement
us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType
us-gaap:StatementBusinessSegments
us-gaap:IncreaseDecreaseInContractWithCustomerAsset
us-gaap:ContractWithCustomerDuration, us-gaap:StatementBusinessSegments
us-gaap:IncreaseDecreaseInContractWithCustomerLiability
us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:LaborAndRelatedExpense
us-gaap:Restatement
us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

us-gaap:LossContingencyAccrualPayments
us-gaap:IncomeStatementLocation
us-gaap:MalpracticeLossContingencyClaimsIncurredNet
us-gaap:StatementEquityComponents
us-gaap:MinorityInterestDecreaseFromRedemptions

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:IncomeStatementLocation
us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent

us-gaap:OtherComprehensiveIncomeLossBeforeTax

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherCostAndExpenseOperating
us-gaap:Restatement
us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherRestructuringCosts

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDividendsMinorityInterest
us-gaap:CounterpartyName
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireOtherProductiveAssets

us-gaap:PaymentsToMinorityShareholders

us-gaap:ProceedsFromContributionsFromAffiliates

us-gaap:ProceedsFromDivestitureOfBusinesses
us-gaap:SubsequentEventType

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromOtherDebt

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromSaleOfInterestInCorporateUnit
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:SubsequentEventType
us-gaap:ProceedsFromSaleOfPropertyHeldForSale
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:RepaymentsOfDebt

us-gaap:RepaymentsOfLongTermLinesOfCredit

us-gaap:RepaymentsOfOtherDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:RepaymentsOfSecuredDebt
us-gaap:RestructuringCostAndReserve
us-gaap:RestructuringCharges

us-gaap:RestructuringCosts

us-gaap:RevenueNotFromContractWithCustomer
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:SeveranceCosts1
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
us-gaap:Range, us-gaap:AwardType, us-gaap:Vesting
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:SuppliesExpense
us-gaap:StatementEquityComponents
us-gaap:TemporaryEquityAccretionOfInterest
us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents
us-gaap:TemporaryEquityNetIncome
us-gaap:StatementEquityComponents

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
thc:AssetsHeldForUseLongLivedFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
thc:AssetsHeldforuseLongLivedFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessAcquisition
thc:BusinessAcquisitionPurchasePriceAllocationRedeemableNoncontrollingInterestsInEquityOfConsolidatedSubsidiaries
us-gaap:AwardType
thc:CommonStockFairValuePerShare

thc:ContractWithCustomerAssetPercentageToBeReclassifiedToReceivableWithin90Days
us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
thc:DebtInstrumentCovenantMaximumSecuredDebtRatio

thc:DeferredTaxAssetsInterestExpenseLimitation

thc:DeferredTaxAssetsOtherLongTermLiabilities

thc:DeferredTaxAssetsRightOfUseLeaseAssetsAndObligations

thc:DeferredTaxLiabilitiesInvestmentsAndOtherAssets

thc:DeferredTaxLiabilitiesRightOfUseLeaseLiabilityAndObligations

thc:DefinedBenefitPlanExpectedFutureBenefitPayments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
thc:EstimatedFairValueOfDebtInstrumentAsPercentageOfCarryingValue
us-gaap:StatementOperatingActivitiesSegment
thc:EstimatedFutureRecoveriesFromAccountsAssignedToConifer

thc:FinanceLeasesAndMortgageNotes

thc:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour
us-gaap:BalanceSheetLocation, us-gaap:GuaranteeObligationsByNature
thc:GuaranteeObligationCarryValueConsolidatedSubsidiaries

thc:LandHeldforExpansionOtherLongTermReceivablesandOtherAssetsNoncurrent

thc:LeaseLiability

thc:LeaseLiabilityCurrent

thc:LeaseLiabilityNoncurrent

thc:LeaseLiabilityPaymentsDue

thc:LeaseLiabilityUndiscountedExcessAmount

thc:LeaseRightOfUseAsset

thc:LesseeLeaseLiabilityPaymentsDueAfterYearFive

thc:LesseeLeaseLiabilityPaymentsDueYearFive

thc:LesseeLeaseLiabilityPaymentsDueYearFour

thc:LesseeLeaseLiabilityPaymentsDueYearThree

thc:LesseeLeaseLiabilityPaymentsDueYearTwo

thc:LesseeLeaseLiabilityPaymentsNextTwelveMonths

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalAfterYearFive

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearFive

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearFour

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearThree

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearTwo
us-gaap:StatementOperatingActivitiesSegment
thc:NetCostReportSettlementsReceivablePayableandValuationAllowances
us-gaap:IncomeTaxAuthority
thc:OperatingLossCarryforwardsNotSubjectToExpiration
us-gaap:IncomeTaxAuthority
thc:OperatingLossCarryforwardsSubjectToExpiration

thc:PercentageOfNetOperatingRevenuesGeneratedByGeneralHospitals
dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:Range, us-gaap:OpenOptionContractsWrittenType
thc:PurchasableEquityInJointVenturePercentageOfTotalShares
us-gaap:CounterpartyName, us-gaap:Range, us-gaap:OpenOptionContractsWrittenType
dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:OpenOptionContractsWrittenType
thc:RequiredEquityNecessaryInJointVenture
dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:Range, us-gaap:OpenOptionContractsWrittenType
us-gaap:CounterpartyName, us-gaap:OpenOptionContractsWrittenType
us-gaap:CounterpartyName, us-gaap:Range, us-gaap:OpenOptionContractsWrittenType
us-gaap:StatementOperatingActivitiesSegment
us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableNetNoncurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:BalanceSheetLocation

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsHeldForSaleLongLivedFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:DisposalGroupClassification
us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:BalanceSheetLocation
us-gaap:BankOverdrafts
us-gaap:StatementBusinessSegments
us-gaap:BilledContractReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

us-gaap:CapitalizedContractCostGross

us-gaap:CapitalizedContractCostNet

us-gaap:CashSurrenderValueOfLifeInsurance
us-gaap:StatementBusinessSegments
us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:SubsequentEventType
us-gaap:DebtInstrument
us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRepurchasedFaceAmount

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredRevenue

us-gaap:DeferredTaxAssetsCharitableContributionCarryforwards

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards
us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsSeverancePayments

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryPercentage
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage

us-gaap:DepositsAssetsNoncurrent
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationGoodwill1
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationIntangibleAssets
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent

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

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

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: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:StatementBusinessSegments
us-gaap:GoodwillGross
us-gaap:GuaranteeObligationsByNature
us-gaap:GuaranteeObligationsMaximumExposure
us-gaap:BalanceSheetLocation, us-gaap:GuaranteeObligationsByNature
us-gaap:GuaranteesFairValueDisclosure
us-gaap:GuaranteeObligationsByNature

us-gaap:IncomeTaxesReceivable

us-gaap:IntangibleAssetsGrossExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:InterestPayableCurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:LongtermDebtType
us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupClassification
us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent
us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities

us-gaap:LongTermInvestmentsAndReceivablesNet

us-gaap:LossContingencyAccrualAtCarryingValue
us-gaap:LitigationStatus

us-gaap:MarketableSecuritiesNoncurrent
us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByParent

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

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount
us-gaap:StatementBusinessSegments
us-gaap:RevenueRemainingPerformanceObligation
us-gaap:BalanceSheetLocation
us-gaap:SelfInsuranceReserve

us-gaap:SelfInsuranceReserveCurrent

us-gaap:SelfInsuranceReserveNoncurrent
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:AwardType
us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
us-gaap:AwardType, us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange
us-gaap:AwardType
us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
us-gaap:AwardType, us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange
us-gaap:TaxCreditCarryforward
us-gaap:TaxCreditCarryforwardAmount
us-gaap:StatementBusinessSegments
us-gaap:TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests
us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockCommonValue
us-gaap:StatementBusinessSegments
us-gaap:UnbilledContractsReceivable

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Stockholders Equity
Assets
Inventory Net
Current Assets
Inventory Net
NonCurrent Assets
Deferred Income Tax Assets Net
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Deferred Income Tax Liabilities Net
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Amortization Of Financing Costs And Discounts
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███████8.08.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.027.027.027.027.027.027.027.0NANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStock▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▇▇▇▇█████106.867106.687106.07105.407104.902104.528104.197103.772103.336103.08102.537102.447102.301101.989100.972100.831100.71100.42199.68699.52899.51699.26898.49599.59299.31599.16498.38298.22497.81497.58596.8699.166101.73810.426104.633104.419416.494413.531415.026454.998478.732489.337485.783485.327485.033NA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁108.569108.065NA105.263105.578105.733NA103.558104.629102.788NA102.402104.177102.656NA100.812100.612100.0NA99.52399.34198.768NA99.53799.244100.872NA100.92697.67797.161NA103.098103.01104.103NA107.311427.708484.873NA483.632503.748565.181NA559.85502.549559.228
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁106.822106.309NA105.263104.794104.353NA103.558103.198102.788NA102.402102.147101.392NA100.812100.612100.0NA99.52399.34198.768NA99.53799.24498.699NA98.03697.67797.161NA100.894103.01104.103NA104.244415.011411.373NA468.753486.794486.902NA485.21484.61481.917
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:StockCompensationPlanNANANA1.24NANANA1.024NANANA2.173NANANA0.7110.6820.000848NA0.0014550.0013860.001567NA0.00250.002673NANANA0.002123NANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▅▅█▃▅▅▄▂▅▄▄▄▅▅▂▁▄▄▄▄▄▄▃▄▄▅▅▄▄▄▄▅▄▄▅▅▄▄▄▄▄▅▅▆▄▅1.110.913.92-1.860.840.890.02-2.240.17-0.18-0.04-0.090.250.98-2.27-3.64-0.55-0.53-0.79-0.08-0.46-0.6-0.98-0.29-0.610.480.620.09-0.27-0.33-0.250.28-0.49-0.850.46000000000000010.38-0.010.14-0.160000000000000030.020.110.150.14999999999999991.920.050.18
us-gaap:EarningsPerShareDiluted ▅▅█▃▅▅▄▂▅▄▄▄▅▅▂▁▄▄▄▄▄▄▃▄▄▅▅▄▄▄▄▅▄▄▅▅▄▅▄▄▄▅▅▆▄▅1.10.93.86-1.860.830.880.02-2.240.16-0.18-0.04-0.090.250.96-2.27-3.64-0.55-0.53-0.79-0.08-0.46-0.6-0.98-0.29-0.610.470.620.09-0.27-0.33-0.250.27-0.49-0.850.440000000000000060.37-0.010.13-0.150000000000000020.020.110.140.140000000000000121.680.050.17
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare ▅▅█▃▅▅▄▂▄▄▄▄▅▅▂▁▄▄▄▄▄▄▃▄▄▅▅▄▄▄▄▅▄▄▅▅▄▄▄▄▄▅▄▆▄▅1.12e-069.100000000000001e-073.9399999999999995e-06-1.87e-068.4e-079.000000000000001e-072.0000000000000017e-08-2.25e-061.5e-07-2.6e-07-5.0000000000000044e-08-9e-082.3000000000000002e-079.7e-07-2.28e-06-3.63e-06-5.6e-07-5.2e-07-7.899999999999998e-07-9e-08-4.4e-07-5.6e-07-1.01e-06-2.8e-07-6e-074.6999999999999995e-076.2e-071.0000000000000001e-07-1.1e-07-2.8e-07-1.7999999999999994e-073.3e-07-5.2e-07-8.3e-075.2e-072.9e-071.0000000000000001e-071.4e-07-1.4e-072e-088e-081.7000000000000001e-071.0999999999999987e-071.92e-067e-081.7000000000000001e-07
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare ▅▅█▃▅▅▄▂▅▄▄▄▅▅▂▁▄▄▄▄▄▄▃▄▄▅▅▄▄▄▄▅▄▄▅▅▄▄▄▄▄▅▄▆▄▅1.1100000000000002e-069.000000000000001e-073.89e-06-1.87e-068.3e-078.900000000000001e-072.0000000000000017e-08-2.25e-061.4e-07-2.6e-07-5.0000000000000044e-08-9e-082.3000000000000002e-079.499999999999999e-07-2.28e-06-3.63e-06-5.6e-07-5.2e-07-7.899999999999998e-07-9e-08-4.4e-07-5.6e-07-1.01e-06-2.8e-07-6e-074.6000000000000004e-076.100000000000001e-071.0000000000000001e-07-1.1e-07-2.8e-07-1.7999999999999994e-073.2e-07-5.2e-07-8.3e-074.9e-072.8e-071.0000000000000001e-071.3e-07-1.3e-072e-088e-081.6e-079.999999999999986e-081.68e-067e-081.6e-07
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 Net profit Margin us-gaap:EquityMethodInvestmentNonconsolidatedInvestee us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees▅▃█▄▁▂▇▃▃711.0634.0934.0697.0468.0566.0871.0622.0619.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AllocatedShareBasedCompensationExpense ▆▅▁▄▅▅▂▄▄▄▄▅▄▃▆▆█▃▅▆▇▅16.014.06.011.014.013.08.011.012.011.012.014.011.09.015.015.019.010.014.015.017.014.0NA16.018.018.0NA12.014.012.08.0NANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▄▃▅▂▃▃▃▂▃▃▃▃▃▄▂▁▃▃▂▃▂▃▂▃▃▃▂▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃█▃124.096.0384.0-192.089.094.0-39.0-229.019.0-17.0-26.032.022.0107.0-195.0-363.0-42.0-50.0-137.0-5.0-89.0-55.0-88.0-25.0-59.050.0-101.09.0-23.0-31.020.028.0-50.0-88.030.040.0-6.061.0-85.06.055.073.061.0933.025.0NA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest █▇█▆▅▅█▅▆▆▇▅▅▆█▅▆▆▆▆▆▆▆▄▃▃▃▂▃▃▂▂▂▂▂▁▁▂▂▂▂▂▂▂▂138.0125.0132.090.081.066.0127.080.095.084.0107.074.082.092.0130.078.087.089.0102.088.085.093.099.057.033.029.020.09.019.016.010.08.07.05.05.0-9.0-18.03.04.03.02.03.02.02.04.0NA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▆▅█▃▅▅▄▂▄▄▄▄▄▅▃▁▄▄▃▄▃▄▄▄▃▄▃▄▃▃▄▄▃▃▄▄▃▄▃▄▄▄262.0221.0516.0-102.0170.0160.088.0-149.0114.067.081.0106.0104.0199.0-65.0-285.045.039.0-35.083.0-4.038.011.032.0-26.079.0-81.018.0-4.0-15.030.036.0-43.0-83.035.032.0-20.070.0-75.015.063.082.0NANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt ▇▇█▁███▄█▇█████▅▇████-31.0-23.00.0-312.0-4.00.00.0-180.00.0-47.03.00.0-1.0-1.00.0-138.0-26.00.00.00.00.0NANANANANA0.0-24.00.00.00.00.0-171.0-177.0-4.00.00.00.0-117.0NANANA-2.0-55.0NANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType thc:DebtInstrument8.125PercentSeniorNotesDue2022,us-gaap:SeniorNotesNANANANA-8.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType thc:EightPointOneTwoFivePercentSeniorUnsecuredNoteDue2022,us-gaap:SeniorNotesNANANANA-8.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType thc:FivePointOneTwoFivePercentSeniorSecuredNoteDue2025,us-gaap:SeniorNotes-31.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType thc:SevenPointZeroPercentSeniorUnsecuredNoteDue2025,us-gaap:SeniorNotesNA-23.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperations ▄▃▅▂▃▃▃▂▃▃▃▃▃▄▂▁▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃█▃▃120.097.0414.0-197.088.094.02.0-233.015.0-27.0-5.0-9.024.098.0-230.0-366.0-56.0-52.0-79.0-9.0-44.0-55.0-100.0-28.0-60.046.061.010.0-10.0-27.0-17.033.0-53.0-86.056.030.042.057.0-66.08.040.082.052.0932.035.083.0
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▆▅█▁▅▄▅▂▄▄▄▄▄▅▅▁▄▃▄▄▄▄▄▄319.0267.0676.0-304.0214.085.0215.0-133.0140.074.0158.071.0150.0260.0224.0-348.019.04.029.089.025.0105.067.040.0NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest ▄▄▆▂▄▄▃▂▃▃▃▃▃▄▂▁▃▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▂▂▃▃▃▃▂▃▃▃▃█▃▃258.0222.0546.0-107.0169.0160.0129.0-153.0110.057.0102.065.0106.0190.0-100.0-288.031.037.023.079.041.038.0-1.029.0-27.075.081.019.09.0-11.0-7.041.0-46.0-81.062.033.048.066.0-56.017.048.091.060.0940.045.090.0
us-gaap:IncomeTaxExpenseBenefit ▄▄▅▁▄▃▅▄▄▄▄▄▄▅█▃▃▃▄▄▃▅61.045.0130.0-197.045.0-75.086.020.030.017.056.06.044.070.0324.0-60.0-12.0-33.06.010.0-16.067.0NA11.0-27.016.060.0-18.08.0-1.0-8.016.0-20.0-53.035.018.030.042.0-12.04.018.051.02.0-1002.020.03.0
us-gaap:IncomeTaxesPaidNet ▇▄▆▃▃▄▃▄▆▃▄▄▆▃▄▄█▄▃▄▆▄▂▃▄▄▃▅▂▃▃▄▂▄▃▄▃▃▂▂█▁▃▃▅▅32.02.022.0-5.0-8.03.0-6.05.022.0-9.01.03.022.0-1.02.010.043.01.00.04.023.06.0-13.0-2.07.01.0-3.014.0-18.0-1.0-1.03.0-11.03.0-4.02.0-9.0-2.0-19.0-11.044.0-24.00.00.017.017.0
us-gaap:InterestExpense ▇▇▇██▇▇▇▇█▇████████▇▇▇▇▇▆▆▆▅▅▅▅▂▂▃▃▃▂▂▂▁▂▃▂▃▃▃235.0240.0242.0263.0255.0243.0243.0244.0247.0251.0246.0249.0254.0255.0253.0257.0260.0258.0249.0243.0244.0243.0248.0248.0217.0199.0196.0186.0190.0182.0182.091.098.0103.0109.0103.0102.098.0100.059.098.0118.0101.0107.0107.0109.0
us-gaap:InterestPaidNet █▇▇██▇▇▇█▇█▇█▇█▇█▆█▆█▆█▆▇▆▇▆▇▆▄▅▅▅▅▅▅▅▁▆▆▆▆▆▆▆296.0190.0205.0292.0293.0172.0241.0221.0326.0158.0324.0151.0332.0169.0322.0149.0338.0130.0336.0129.0335.0132.0340.0134.0268.0117.0239.0127.0255.0105.0-131.0-69.0-101.0-125.0-88.0-107.0-79.0-102.0-602.073.085.097.089.0112.089.0112.0
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest █▇█▅▅▄▇▅▆▅▆▅▅▆█▅▅▅▆▅▅▆▆▄▂▂▂▁▂▂▁▁▁▁138.0125.0132.090.081.066.0127.080.095.084.0107.074.082.092.0130.078.087.089.0102.088.085.093.099.057.033.029.020.09.019.016.010.08.07.05.0NA-9.0-18.03.04.03.02.03.02.02.04.01.0
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▅▅█▃▅▅▄▂▄▄▄▄▅▅▂▁▄▄▄▄▄▄▃▄▄▅▅▄▄▄▄▅▄▄▅▅▄▅▄▄▅▅119.097.0414.0-196.088.093.02.0-232.017.0-19.0-5.0-9.026.099.0-229.0-367.0-55.0-53.0-79.0-8.0-46.0-59.0-97.0-29.0-61.047.061.09.0-26.0-32.0-24.028.0-50.0-88.049.040.0-6.058.0-76.06.055.073.0NANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▄▃▅▂▃▃▃▂▃▃▃▃▃▃▂▁▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃█▃120.097.0414.0-197.088.094.02.0-233.015.0-27.0-5.0-9.024.098.0-230.0-366.0-56.0-52.0-79.0-9.0-44.0-55.0-100.0-28.0-60.046.061.010.0-10.0-27.0-17.033.0-53.0-86.056.030.042.063.0-66.08.040.088.058.0938.035.0NA
us-gaap:OperatingIncomeLoss ▅▅█▃▄▃▄▃▄▄▄▃▄▅▄▁▃▃▃▃▃▃▃▃▂▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▂▃▂▁▂▂586.0520.0920.0271.0471.0327.0460.0294.0388.0371.0404.0320.0406.0517.0485.051.0310.0267.0272.0333.0267.0347.0315.0287.0164.0290.0337.0211.0207.0170.0167.0148.0202.0146.0211.0153.0180.0205.0149.079.0163.0259.0165.097.0171.0201.0
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▇▆▅▇▇▇▅▇▇▇▆█▆▇█▇▇▇▅▇▅▇▇▇▇▇▁▇▇▇█▇▇▇▆▇▇▇5.0-1.0-30.04.01.01.0-41.03.02.02.0-21.041.0-4.08.034.04.013.03.0-58.03.0-43.04.09.04.02.03.0-162.00.03.01.044.00.00.00.0-19.00.00.03.0NANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▂█▂▃▄▃▂▁▂▃▁▃▂▂-1.010.0-2.00.02.01.0-2.0-3.0-1.01.0-3.00.0-1.0-1.0NA-4.0-5.0-5.0NA-7.0-5.0-6.0NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▄▄▆▂▄▄▃▂▃▃▃▃▃▄▂▁▃▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▂▂▃▃▃▃▂▃▃▃▃█▃▃257.0222.0546.0-106.0169.0159.0129.0-152.0112.065.0102.065.0108.0191.0-99.0-289.032.036.023.080.039.034.02.028.0-28.076.081.018.0-7.0-16.0-14.036.0-43.0-83.054.032.0-20.067.0-66.015.063.082.082.0940.035.095.0
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▇▇▇▆▅▆▇▆▆▆▇▆▆▇▇▇█▇█████▇▇▇▇▆▅▅▄▃▂▂▂▂▂▂▁▂▂▃▂▂▂▂4954.04781.04915.04557.03648.04520.04806.04568.04560.04545.04619.04489.04506.04699.04978.04941.05173.04813.05214.05216.05220.05420.05417.05063.04844.04791.04824.04428.04042.03926.03261.02618.02422.02387.02331.02221.02265.02350.01632.02342.02374.02506.02301.02262.02303.02339.0
us-gaap:Revenues ▇▇▇▆▅▆▇▆▆▆▇▆▆▇▇▆▇▇▅████▇▇▇▇▆▅▅▄▃▂▂▂▂▂▂▁▂▂▃▂▂▂▂4954.04781.04915.04557.03648.04520.04806.04568.04560.04545.04619.04489.04506.04699.04978.04586.04802.04813.03765.05216.05220.05420.05417.05063.04844.04791.04824.04428.04042.03926.03261.02618.02422.02387.02331.02221.02265.02350.01632.02342.02374.02506.02301.02262.02303.02339.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets █████▇▇▇▇▇▆▆▆▇▇▇▇▇▇▇▇▇▇▇▆▅▅▄▄▄▄▁▁▁▁▁▁▁▁▁▁▁▁26565.026554.027106.026187.026250.023823.023351.023357.023207.023158.022409.022265.022343.023184.023385.023208.024341.024510.024701.024474.024240.023766.023682.023173.022746.018425.018141.017312.016907.016484.016130.09337.09156.08915.09044.08470.08485.08545.08462.08293.08435.08524.08500.0NANANA
us-gaap:Liabilities █████▇▇▇▇▇▆▆▆▇▇▇▇▇▇▇▇▇▇▇▆▅▅▅▅▄▄▂▂▂▂▁▁▁▁▁▁▁▁23362.023546.024217.024186.024056.021794.021362.021393.021028.021045.020302.020163.020338.020626.020980.020697.021505.020986.021226.021002.020813.020459.020458.020473.020137.017245.016955.016050.015757.015363.015005.08334.08095.07833.07810.07185.07240.06998.06954.06516.06545.06616.06681.0NANANA
us-gaap:LiabilitiesAndStockholdersEquity █████▇▇▇▇▇▆▆▆▇▇▇▇▇▇▇▇▇▇▇▆▅▅▄▄▄▄▁▁▁▁▁▁▁▁▁▁▁▁26565.026554.027106.026187.026250.023823.023351.023357.023207.023158.022409.022265.022343.023184.023385.023208.024341.024510.024701.024474.024240.023766.023682.023173.022746.018425.018141.017312.016907.016484.016130.09337.09156.08915.09044.08470.08485.08545.08462.08293.08435.08524.08500.0NANANA
us-gaap:StockholdersEquity ▃▃▂▁▁▁▁▁▂▂▂▂▂▂▂▂▃▄▃▄▄▄▄▅▅▅▄▄▄▄▅▅▅▅▆▆▆▇▇████261.0123.028.0-374.0-257.0-358.0-371.0-341.0-108.0-134.0-119.0-108.0-154.0-65.0-147.024.0373.0430.0417.0528.0523.0625.0691.0802.0803.0839.0651.0735.0723.0728.0755.0825.0895.0969.01143.01224.01176.01460.01423.01698.01810.01844.01766.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▇▆▇██▅▅▄▄▄▄▄▄▅▅▅▅▄▅▅▄▅▅▆▆▅▄▃▃▃▃▁▁▁▂▁▁▁▁▁▁▁▁7417.06699.07147.07808.07947.05388.05081.04789.04704.04582.04636.04492.04705.05634.05573.05309.05382.05052.05257.05116.04993.05129.05171.06296.06009.05124.04717.04201.04208.03978.03710.02560.02574.02443.02681.02484.02564.02482.02357.02176.02314.02393.02311.0NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▅▅▆██▂▁▁▁▁▂▂▂▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▂▁▁▁▁▁▂▁▁▁▁▁▁▁▂▂▂▂2194.02141.02446.03300.03514.0613.0262.0314.0249.0252.0411.0500.0403.0974.0611.0429.0475.0572.0716.0649.0656.0728.0356.0450.0299.0185.0193.0200.0406.0141.0113.082.090.095.0364.083.082.0104.0113.0185.0264.0267.0405.0398.0711.0589.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▅▅▆██▂▁▁▁▁▁▂▁▃▂2194.02141.02446.03300.03514.0613.0262.0314.0249.0252.0411.0500.0403.0974.0611.0NANANA716.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▇▇▇▆▆▇▇▇▇▇▇▆▆▆▇▆▇██▇▇▇▇▆▆▆▆▅▅▅▄▂▂▂▂▂▂▂▂▁▁▁▁2643.02745.02690.02479.02435.02722.02743.02768.02734.02744.02595.02484.02483.02519.02616.02567.02706.02960.02897.02786.02734.02807.02704.02525.02505.02468.02404.02238.02171.02141.02038.01380.01369.01383.01345.01338.01356.01417.01278.01221.01258.01237.01143.0NANANA
us-gaap:InventoryNet ███▇▇▇▆▆▆▆▆▆▆▆▅▆▆▇▇▇▆▆▆▅▅▅▅▅▅▅▅▁▁▁▁▁▁▁▁▁▁▁▁364.0368.0368.0349.0337.0324.0310.0311.0309.0308.0305.0307.0298.0294.0289.0297.0316.0324.0326.0322.0316.0312.0309.0275.0261.0268.0276.0270.0264.0261.0262.0154.0153.0152.0153.0154.0154.0157.0161.0157.0156.0156.0156.0NANANA
us-gaap:OtherAssetsCurrent ▇▇█▇▇▇▇▇▇▇▆▅▅▆▅▆▆▆▇▇▇▇▇▆▆▆▆▄▃▄▃▃▃▂▂▂▂▂▂▁▂▂▁1388.01306.01502.01292.01265.01317.01369.01378.01393.01261.01197.01046.01041.01228.01035.01160.01173.01167.01285.01331.01282.01280.01245.01202.01110.01146.01095.0746.0700.0839.0716.0583.0600.0455.0458.0502.0509.0386.0378.0357.0375.0412.0288.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:AssetsNoncurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesNANA1262.0NANANA1042.0NANANA662.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AmortizationOfIntangibleAssets ▇▆▆▇▃▄█▇▆▆█▆▇▄▆▅▃▄▄▁▃▄48.047.045.048.038.041.050.048.045.045.051.045.048.041.047.044.039.042.041.033.038.040.0NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LongTermInvestments NANA1027.0NANANA980.0NANANA996.0NANANA1014.0NANANA984.0NANANA876.0NANANA133.0NANANA118.0NANANA37.0NANANA45.0NANANA53.0NANANA
us-gaap:Goodwill ███▇▇▇▇▇▇▇▇▇▇▆▆▆▇▇▇▇▇▇▆▆▆▄▄▄▃▃▃▁▁▁▁▁▁▁▁▁▁▁▁8659.08799.08808.07302.07301.07308.07252.07315.07298.07283.07281.07313.07218.07036.07018.07022.07157.07429.07425.07376.07291.07122.06970.06606.06602.03874.03913.03705.03200.03070.03042.01120.0970.0948.0916.0771.0749.0738.0736.0724.0715.0677.0652.0NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▄▅▅▅▅▅▅▅▆▆▆▇▇▇▇▇▇████▆▆▇█▄▂▁1522.01590.01600.01578.01603.01611.01602.01620.01645.01675.01731.01762.01793.01792.01766.01764.01806.01863.01845.01853.01865.01686.01675.01830.01894.01478.01278.01191.0NANA1105.0NANANANANANANANA500.0454.0441.0442.0NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▁▇█▆838.0907.0917.0890.0NANANANANANANANANANANANANANANANANANANANANANANANA1241.01229.01192.0723.0700.0670.0650.0578.0526.0506.0489.0NANANA442.0NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA296.0NANANA142.0NANANA276.0NANANA419.0NANANA592.0NANANA740.0NANANA863.0NANANA671.0NANANA696.0NANANA792.0NANANA909.0NANANA
us-gaap:OperatingLeaseRightOfUseAsset NANA1062.0NANANA912.0913.0874.0799.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent ▅▆▆▅▅▅▆▆▅▆▆▅▅▅▆▆▅▆█▇▇▇█▆▆▆▆▅▅▅▅▁▁▁▂▁▂▁▃▁▁▁▂1084.01103.01207.01025.01018.01079.01204.01125.01088.01101.01207.01065.01047.01059.01175.01100.01086.01179.01329.01228.01272.01228.01380.01206.01149.01098.01179.01068.01015.01019.01075.0618.0587.0625.0722.0629.0644.0640.0760.0629.0614.0638.0720.0NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▄▃▁██1055.0917.0659.01500.01496.0NA61.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▇▇▆██▅▅▅▅▅▅▅▆▆▆▅▆▅▅▆▆▅▅▅▅▅▄▄▄▄▃▁▁▁▁▁▂▁▁▁▁▁▁5071.04930.04847.05843.05585.04095.04205.03928.04150.03725.03857.04224.04354.04561.04332.04139.04337.03767.04034.04547.04430.04268.04308.04093.03774.03734.03577.03145.03384.03336.02928.01769.01658.01549.01763.01829.01872.01840.01815.01679.01662.01657.01725.0NANANA
us-gaap:OperatingLeaseLiabilityCurrent NANA188.0NANANA159.0160.0149.0146.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesCurrent ▅▅▆▇▇▆▆▅▅▅▅▄▄▅▅▅█▅▅▅▅▅▅▅▄▄▄▃▃▃▃▂▁▁▁▁▁▁▁▁▁▁▁1252.01245.01333.01735.01570.01429.01334.01314.01217.01212.01131.01042.01067.01168.01227.01146.01861.01163.01234.01293.01225.01205.01144.01236.01086.0954.01051.0804.0709.0686.0719.0452.0423.0351.0335.0389.0427.0352.0362.0372.0340.0350.0368.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:LiabilitiesNoncurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType,us-gaap:BalanceSheetLocation thc:CaliforniaProviderFeeProgram,us-gaap:OtherNoncurrentLiabilities▆▂▃▁█▄▃▂74.052.056.043.087.065.057.050.0NANA42.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LiabilitiesNoncurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesNANA866.0NANANA739.0NANANA430.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DebtAndCapitalLeaseObligations ██████▇▇▇▇▇▇▇▇▇▇███▇▇▇▇▇▇▆▆▅▅▅▅▂▂▂▂▁▁▁▁▁15218.015235.015719.015716.015888.015247.014751.015023.014976.014972.014826.014850.014867.014889.014937.014881.015155.015218.015255.014507.014501.014522.014510.014754.014754.011934.011807.011553.011564.011234.010839.05823.05635.05427.05252.04751.04748.04583.04360.04095.0NANA4064.0NANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations ██████▇▇▇▇▇▇▇▇▇▇███▇▇▇▇▇▇▆▆▅▅▅▅▂▂▂▂▁▁▁▁▁15091.015098.015574.015561.015728.015082.014580.014858.014312.014814.014644.014178.014204.014223.014791.014741.015012.015071.015064.014323.014320.014350.014383.014642.014637.011824.011695.011455.010942.010612.010690.05690.05564.05375.05158.04508.04511.04295.04294.03966.0NA4014.03997.0NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▇▇▇█29.029.029.027.027.027.027.036.036.036.036.036.036.036.036.00.0296.0289.0279.0320.0NANA37.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▃▄▄▅▅▆▆▄▅▅▅▄▅▅▅▇███▇▇▇▇████▁▁▁▁459.0478.0497.0525.0541.0547.0560.0495.0507.0512.0521.0476.0515.0528.0536.0596.0618.0624.0626.0586.0594.0593.0595.0621.0627.0629.0633.0381.0380.0395.0398.0NANANA292.0NANANA265.0NANANA249.0NANANA
us-gaap:MinorityInterest ███████▇▇▇▇▇▇▆▆▆▆▆▆▆▆▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁908.0893.0909.0896.0890.0861.0854.0830.0825.0808.0806.0766.0730.0681.0686.0671.0682.0664.0665.0637.0629.0301.0267.0216.0215.0133.0134.0131.0150.0126.0123.095.086.077.075.045.053.071.069.063.064.064.053.0NANANA
us-gaap:OtherLiabilitiesNoncurrent ████▇▇▇▇▆▆▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▂▂▂▂▁▁▁▁▁▁▂▂1579.01593.01617.01564.01526.01405.01405.01405.01354.01268.0578.0622.0599.0627.0631.0604.0598.0621.0610.0606.0582.0625.0594.0551.0553.0534.0558.0544.0484.0453.0446.0620.0608.0611.0595.0524.0519.0526.0506.0502.0503.0550.0554.0NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent NANA999.0NANANA858.0854.0819.0714.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA212.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA191.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA168.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA141.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA544.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▃▃▂▁▁▁▁▁▂▂▂▂▂▂▂▂▃▄▃▄▄▄▄▅▅▅▄▄▄▄▅▅▅▅▆▆▆▇▇████261.0123.028.0-374.0-257.0-358.0-371.0-341.0-108.0-134.0-119.0-108.0-154.0-65.0-147.024.0373.0430.0417.0528.0523.0625.0691.0802.0803.0839.0651.0735.0723.0728.0755.0825.0895.0969.01143.01224.01176.01460.01423.01698.01810.01844.01766.0NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▄▄▃▁▂▁▁▁▂▂▂▂▁▂▁▂▄▄▄▄▄▃▃▄▄▃▂▃▃▃▃▃▃▄▅▅▅▆▆▇███▇▃1169.01016.0937.0522.0633.0503.0483.0489.0717.0674.0687.0658.0576.0616.0539.0695.01055.01094.01082.01165.01152.0926.0958.01018.01018.0972.0785.0866.0873.0854.0878.0920.0981.01046.01218.01269.01229.01531.01492.01761.01874.01908.01819.01764.0826.0NA
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███████8.08.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.027.027.027.027.027.027.027.0NANANA
us-gaap:AdditionalPaidInCapital ███▇▆▆▆▆▆▆▆▆▆███▇██▇▇▇▇▇▇▆▄▄▄▄▄▃▃▂▂▂▁▁▁▁▁▂▂4854.04841.04844.04826.04751.04739.04760.04751.04755.04748.04747.04733.04722.04833.04859.04835.04819.04834.04827.04801.04791.04804.04815.04798.04774.04751.04614.04597.04594.04576.04572.04562.04552.04484.04471.04437.04410.04403.04407.04425.04425.04448.04449.0NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▅▄▃▁▂▂▁▁▃▃▃▃▃▃▂▃▅▅▅▆▆▆▇▇▇█▇▇▇▇▇▇▇███▇█▇█▇▇▇-1912.0-2031.0-2128.0-2542.0-2346.0-2434.0-2467.0-2469.0-2237.0-2254.0-2236.0-2231.0-2222.0-2248.0-2390.0-2161.0-1794.0-1739.0-1742.0-1663.0-1655.0-1609.0-1550.0-1453.0-1424.0-1363.0-1410.0-1471.0-1480.0-1454.0-1422.0-1398.0-1426.0-1376.0-1288.0-1337.0-1378.0-1376.0-1440.0-1370.0-1382.0-1443.0-1522.0NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▁▁▂▂▂▂▃▃▃▃▃▂▂▃▂▂▂▂▃▃▄▄▄▄▄▄████▇▇▇▇▇▇▇▇▇▇▇▇-277.0-282.0-281.0-251.0-255.0-256.0-257.0-216.0-219.0-221.0-223.0-202.0-243.0-239.0-204.0-238.0-242.0-255.0-258.0-200.0-203.0-160.0-164.0-173.0-177.0-179.0-182.0-20.0-20.0-23.0-24.0-68.0-68.0-68.0-68.0-49.0-49.0-49.0-52.0-43.0-43.0-43.0-43.0NANANA
us-gaap:MinorityInterest ███████▇▇▇▇▇▇▆▆▆▆▆▆▆▆▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁908.0893.0909.0896.0890.0861.0854.0830.0825.0808.0806.0766.0730.0681.0686.0671.0682.0664.0665.0637.0629.0301.0267.0216.0215.0133.0134.0131.0150.0126.0123.095.086.077.075.045.053.071.069.063.064.064.053.0NANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▁█43.061.0NA46.08.040.0NA46.035.037.0NA40.038.034.030.028.029.036.029.031.041.010.015.015.010.010.010.09.08.010.06.06.04.06.03.03.03.03.02.04.02.02.0-14.03.0NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▃▃▃█▂▃▃▃▂▃▃▃▂▃▃▂▂▁▃▃▂▂▃▃▂▂▂▃▂▃▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂245.0534.0446.0593.02239.0129.0520.0419.0284.010.0250.0338.0348.0113.0491.0308.0215.0186.0-293.0269.0435.0147.0191.0482.0410.0-57.0219.0221.0266.0-19.0255.0206.0160.0-32.0256.0136.0243.0-42.0173.0148.0178.0-2.0175.0128.0191.0-22.0
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▆▂▆▆▆▆▆▆▆▆▆▆▇▆█▆▆▅▆▅▇▆▅▄▆▅▅▅▅▁▅▆▆▅▆▆▆▆▆▆▆▆▆▆▆-50.0-145.0-1202.0-117.0-85.0-204.0-193.0-123.0-164.0-139.0-235.0-105.0-148.0373.0-206.0535.0-119.0-189.0-280.0-204.0-266.0320.0-45.0-287.0-798.0-187.0-408.0-338.0-285.0-291.0-1655.0-249.0-156.0-104.0-316.0-98.0-112.0-136.0-179.0-93.0-102.0-129.0-149.0-145.0-58.0-68.0
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▂▃▂▆▅▃▃▃▄▃▃▁▃▃▁▃▃▆▃▃▃▃▄▅▄▄▃▅▅█▄▄▃▅▄▃▄▃▃▃▄▄▃▄▄-142.0-694.0-98.0-690.0747.0426.0-379.0-231.0-123.0-30.0-104.0-136.0-771.0-123.0-103.0-889.0-193.0-141.0640.0-72.0-241.0-95.0-240.0-44.0502.0236.0182.0-89.0284.0338.01431.035.0-9.0-133.0341.0-37.0-153.0169.0-66.0-134.0-79.0-7.0-19.0-296.0-11.0-11.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▂▁▂█▃▂▃▃▂▂▃▂▃53.0-305.0-854.0-214.02901.0351.0-52.065.0-3.0-159.0-89.097.0-571.0363.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▆▆▇▅▆▆▇▆▆▆▆▆▆▇█▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▁▆▆24.024.0118.0-197.030.0-79.080.015.023.019.040.02.038.070.0345.0-64.0-81.00.09.0-5.06.031.052.017.0-39.012.052.0-15.0-4.0-3.0-7.016.0-21.0-55.034.021.0-1.038.0-21.011.056.035.032.0-996.07.05.0
us-gaap:DepreciationDepletionAndAmortization ▆▆█▅▃▃▆▃▅▄▂▃▁▃▄▅▆▆▅▃▅▄221.0224.0233.0215.0206.0203.0223.0205.0214.0208.0200.0204.0194.0204.0208.0219.0222.0221.0218.0205.0215.0212.0NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInAccountsReceivable ▄▄▄▄▁▃▄▄▃▅▄▄▃▄▇▆▅▇▇▇▆▇▇▆▆▇█▆▆█▇▅▅▅▅▅▄▆▅▅▅▆▅▅▄▅48.053.085.037.0-303.0-14.073.036.0-20.0158.098.023.0-53.066.0402.0373.0227.0446.0448.0431.0272.0453.0508.0345.0295.0484.0587.0372.0380.0557.0398.0217.0194.0251.0215.0203.0124.0326.0240.0155.0192.0278.0207.0160.0135.0242.0
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▃▃▃█▂▃▃▃▂▃▃▃▂▃▃▂▂▁▃▃▂▂▃▃▂▂▂▃▂▃▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂245.0534.0446.0593.02239.0129.0520.0419.0284.010.0250.0338.0348.0113.0491.0308.0215.0186.0-293.0269.0435.0147.0191.0482.0410.0-57.0219.0221.0266.0-19.0255.0206.0160.0-32.0256.0136.0243.0-42.0173.0148.0178.0-2.0175.0128.0191.0-22.0
us-gaap:ProfitLoss ▄▄▆▂▄▄▃▂▃▃▃▃▃▄▂▁▃▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▂▂▃▃▃▃▂▃▃▃▃█▃▃257.0222.0546.0-106.0169.0159.0129.0-152.0112.065.0102.065.0108.0191.0-99.0-289.032.036.023.080.039.034.02.028.0-28.076.081.018.0-7.0-16.0-14.036.0-43.0-83.054.032.0-20.067.0-66.015.063.082.082.0940.035.095.0
us-gaap:ShareBasedCompensation ▇▆▂▄▆▅▃▄▅▄▅▆▄▃▆▆▇▅▇▇█▇█▇█▆▄▆▆▅▄▂▃▄▃▂▃▃▂▁▁▂▁▁▂▂16.014.06.011.014.013.08.011.012.011.012.014.011.09.015.015.016.013.017.016.019.016.019.017.018.015.010.015.014.012.010.07.08.011.08.07.09.08.07.05.05.07.04.05.06.07.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▆▂▆▆▆▆▆▆▆▆▆▆▇▆█▆▆▅▆▅▇▆▅▄▆▅▅▅▅▁▅▆▆▅▆▆▆▆▆▆▆▆▆▆▆-50.0-145.0-1202.0-117.0-85.0-204.0-193.0-123.0-164.0-139.0-235.0-105.0-148.0373.0-206.0535.0-119.0-189.0-280.0-204.0-266.0320.0-45.0-287.0-798.0-187.0-408.0-338.0-285.0-291.0-1655.0-249.0-156.0-104.0-316.0-98.0-112.0-136.0-179.0-93.0-102.0-129.0-149.0-145.0-58.0-68.0
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▂▄▁▂▄▄▃▃▅▅▃▂▃▅▃▃▅▇▅▅▅▇▅▄▄▅▅▆██▃▂▃▃122.0121.0166.086.0106.0182.0178.0156.0144.0192.0213.0136.0125.0143.0215.0144.0150.0198.0261.0201.0205.0208.0276.0207.0175.0184.0199.0211.0242.0281.0293.0142.0123.0133.0148.0NANANANANANANANANANANA
us-gaap:PaymentsToAcquireInvestments ▂▃▁▇▂▁█▃▂▁8.011.03.031.06.04.037.011.010.04.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▂▃▂▆▅▃▃▃▄▃▃▁▃▃▁▃▃▆▃▃▃▃▄▅▄▄▃▅▅█▄▄▃▅▄▃▄▃▃▃▄▄▃▄▄-142.0-694.0-98.0-690.0747.0426.0-379.0-231.0-123.0-30.0-104.0-136.0-771.0-123.0-103.0-889.0-193.0-141.0640.0-72.0-241.0-95.0-240.0-44.0502.0236.0182.0-89.0284.0338.01431.035.0-9.0-133.0341.0-37.0-153.0169.0-66.0-134.0-79.0-7.0-19.0-296.0-11.0-11.0
 us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType thc:SevenPointZeroPercentSeniorUnsecuredNoteDue2025,us-gaap:SeniorNotesNA495.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

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
Value8.08.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.02727272727272727
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 Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.30.30.30.30.30.30.30.3

Shares Issued

us-gaap:SharesIssued us-gaap:StatementEquityComponents

us-gaap:SharesIssued

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value106106106105104104104103103103102102102101100100100100999999999899999998989797969910110104104416413415454478489485485485481477
Percentage of SharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value10810810510510510310410210210410210010010099999899991001009797103103104107427484483503565559502559
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
Value106106105104104103103102102102101100100100999998999998989797100103104104415411468486486485484481
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:StockCompensationPlan


Antidilutive
Period End2020-09-302019-09-302018-09-302017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302014-06-30
Value1.241.0242.1730.7110.6820.0008480.0014550.0013860.0015670.00250.0026730.002123
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.110.913.92-1.860.840.890.02-2.240.17-0.18-0.04-0.090.250.98-2.27-3.64-0.55-0.53-0.79-0.08-0.46-0.6-0.98-0.29-0.610.480.620.09-0.27-0.33-0.250.28-0.49-0.850.460.38-0.010.14-0.160.020.110.150.151.920.050.18
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.10.93.86-1.860.830.880.02-2.240.16-0.18-0.04-0.090.250.96-2.27-3.64-0.55-0.53-0.79-0.08-0.46-0.6-0.98-0.29-0.610.470.620.09-0.27-0.33-0.250.27-0.49-0.850.440.37-0.010.13-0.150.020.110.140.141.680.050.17
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Basic Share

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare


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
Value1.120.913.94-1.870.840.90.02-2.250.15-0.26-0.05-0.090.230.97-2.28-3.63-0.56-0.52-0.79-0.09-0.44-0.56-1.01-0.28-0.60.470.620.1-0.11-0.28-0.180.33-0.52-0.830.520.290.10.14-0.140.020.080.170.111.920.070.17
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare us-gaap:Restatement

srt:ScenarioPreviouslyReported


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.94-1.870.840.60.02-2.250.15-0.26
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.066.7100.0100.0100.0100.0

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

srt:RestatementAdjustment, us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0000.3-0.050.060.080.07
Percentage of IncomeLossFromContinuingOperationsPerBasicShare0.0-0.00.033.3-250.0-2.753.3-26.9

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare


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
Value1.110.93.89-1.870.830.890.02-2.250.14-0.26-0.05-0.090.230.95-2.28-3.63-0.56-0.52-0.79-0.09-0.44-0.56-1.01-0.28-0.60.460.610.1-0.11-0.28-0.180.32-0.52-0.830.490.280.10.13-0.130.020.080.160.11.680.070.16
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare us-gaap:Restatement

srt:ScenarioPreviouslyReported


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.9-1.870.830.60.02-2.250.14-0.26
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.3100.0100.067.4100.0100.0100.0100.0

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

srt:RestatementAdjustment, us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.010.0100.29-0.050.060.090.07
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare-0.3-0.50.032.6-250.0-2.764.3-26.9

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-31
Value16146.01114138.01112111214119.015151910.0141517141618181214128.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.10.20.40.30.20.20.30.20.30.30.20.20.30.30.40.20.00.30.30.30.30.40.40.30.30.30.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value12496384-192.08994-39.0-229.019-17.0-26.03222107-195.0-363.0-42.0-50.0-137.0-5.0-89.0-55.0-88.0-25.0-59.050-101.09.0-23.0-31.02028-50.0-88.03040-6.061-85.06.055736193325
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.07.8-4.22.42.1-0.8-5.00.4-0.4-0.60.70.52.3-3.9-7.3-0.8-1.00.0-0.1-1.7-1.00.0-0.5-1.21.00.00.2-0.6-0.80.01.1-2.1-3.70.01.8-0.32.60.00.32.32.90.041.21.1

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value13812513290816612780958410774829213078878910288859399573329209.0191610.08.07.05.05.0-9.0-18.03.04.03.02.03.02.02.04.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.62.72.02.21.52.61.82.11.82.31.61.82.02.61.61.71.80.01.71.61.70.01.10.70.60.00.20.50.40.00.30.30.20.0-0.4-0.80.10.00.10.10.10.00.10.2

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value262221516-102.017016088-149.01146781106104199-65.0-285.04539-35.083-4.0381132-26.079-81.018-4.0-15.03036-43.0-83.03532-20.070-75.0156382
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 RevenueFromContractWithCustomerExcludingAssessedTax5.34.610.5-2.24.73.51.8-3.32.51.51.82.42.34.2-1.3-5.80.90.80.01.6-0.10.70.00.6-0.51.60.00.4-0.1-0.40.01.4-1.8-3.50.01.4-0.93.00.00.62.73.3

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312010-09-30
Value-31.0-23.00.0-312.0-4.00.00.0-180.00.0-47.03.00.0-1.0-1.00.0-138.0-26.00.00.00.00.00.0-24.00.00.00.00.0-171.0-177.0-4.00.00.00.0-117.0-2.0-55.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.0100.00.0100.0100.00.00.0100.00.0100.0100.00.0100.0100.00.0100.0100.00.00.00.00.00.0100.00.00.00.00.0100.0100.0100.00.00.00.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.6-0.50.0-6.8-0.10.00.0-3.90.0-1.00.10.0-0.0-0.00.0-2.8-0.50.00.00.00.00.0-0.50.00.00.00.0-7.1-7.40.00.00.00.00.00.0-2.4

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

thc:DebtInstrument8.125PercentSeniorNotesDue2022, us-gaap:SeniorNotes


Gains
Period End2020-09-162020-08-312020-06-30
Value-305.0-7.0-8.0
Percentage of GainsLossesOnExtinguishmentOfDebt0.00.0200.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax thc:DebtInstrument8.125PercentSeniorNotesDue2022 us-gaap:SeniorNotes0.00.00.0

thc:EightPointOneTwoFivePercentSeniorUnsecuredNoteDue2022, us-gaap:SeniorNotes


Gains
Period End2020-09-162020-08-312020-06-30
Value-305.0-7.0-8.0
Percentage of GainsLossesOnExtinguishmentOfDebt0.00.0200.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax thc:EightPointOneTwoFivePercentSeniorUnsecuredNoteDue2022 us-gaap:SeniorNotes0.00.00.0

thc:FivePointOneTwoFivePercentSeniorSecuredNoteDue2025, us-gaap:SeniorNotes


Gains
Period End2021-06-30
Value-31.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax thc:FivePointOneTwoFivePercentSeniorSecuredNoteDue2025 us-gaap:SeniorNotes0.0

thc:SevenPointZeroPercentSeniorUnsecuredNoteDue2025, us-gaap:SeniorNotes


Gains
Period End2021-03-31
Value-23.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax thc:SevenPointZeroPercentSeniorUnsecuredNoteDue2025 us-gaap:SeniorNotes0.0

Income Loss From Continuing Operations

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperations


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
Value12097414-197.088942.0-233.015-27.0-5.0-9.02498-230.0-366.0-56.0-52.0-79.0-9.0-44.0-55.0-100.0-28.0-60.0466110.0-10.0-27.0-17.033-53.0-86.056304257-66.08.04082529323583
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.08.4-4.32.42.10.0-5.10.3-0.6-0.1-0.20.52.1-4.6-7.4-1.1-1.10.0-0.2-0.8-1.00.0-0.6-1.21.00.00.2-0.2-0.70.01.3-2.2-3.60.01.41.92.40.00.31.73.30.041.21.53.5

us-gaap:IncomeLossFromContinuingOperations us-gaap:Restatement

srt:ScenarioPreviouslyReported


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value414-197.088632.0-233.015-27.0
Percentage of IncomeLossFromContinuingOperations100.0100.0100.067.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.4-4.32.41.40.0-5.10.3-0.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperations us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

srt:RestatementAdjustment, us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.031-5.06.09.07.0
Percentage of IncomeLossFromContinuingOperations0.0-0.00.033.0-250.0-2.660.0-25.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.7-0.10.10.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:RestatementAdjustment us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate0.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value319267676-304.021485215-133.01407415871150260224-348.0194.02989251056740
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.45.613.8-6.75.91.94.5-2.93.11.63.41.63.35.54.5-7.00.40.10.01.70.51.90.00.8

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest


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
Value258222546-107.0169160129-153.01105710265106190-100.0-288.0313723794138-1.029-27.07581199.0-11.0-7.041-46.0-81.062334866-56.0174891609404590
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.24.611.1-2.34.63.52.7-3.32.41.32.21.42.44.0-2.0-5.80.60.80.01.50.80.70.00.6-0.61.60.00.40.2-0.30.01.6-1.9-3.40.01.52.12.80.00.72.03.60.041.62.03.8

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6145130-197.045-75.086203017566.04470324-60.0-12.0-33.06.010.0-16.06711-27.01660-18.08.0-1.0-8.016-20.0-53.035183042-12.04.018512.0-1002.0203.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.20.92.6-4.31.2-1.71.80.40.70.41.20.11.01.56.5-1.2-0.2-0.70.00.2-0.31.20.2-0.60.30.0-0.40.2-0.00.00.6-0.8-2.20.00.81.31.80.00.20.82.00.0-44.30.90.1

us-gaap:IncomeTaxExpenseBenefit us-gaap:Restatement

srt:ScenarioPreviouslyReported


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value130-197.045-85.086203017
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0113.3100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.6-4.31.2-1.91.80.40.70.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

srt:RestatementAdjustment, us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.010.0-1.02.03.03.0
Percentage of IncomeTaxExpenseBenefit0.0-0.00.0-13.3-1.210.010.017.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.2-0.00.00.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:RestatementAdjustment us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate0.00.00.00.00.00.00.00.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:StatementOperatingActivitiesSegment

us-gaap:SegmentContinuingOperations


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302013-03-312012-09-302012-06-302012-03-31
Value6145-197.045-75.02030176.04470-60.0-12.0-33.010.0-16.00.30.00.01.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-0.60.00.02.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.20.9-4.31.2-1.70.40.70.40.11.01.5-1.2-0.2-0.70.2-0.30.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SegmentContinuingOperations1.20.9-4.31.2-1.70.40.70.40.11.01.5-1.3-0.2-0.70.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value322.022-5.0-8.03.0-6.05.022-9.01.03.022-1.02.010.0431.00.04.0236.0-13.0-2.07.01.0-3.014-18.0-1.0-1.03.0-11.03.0-4.02.0-9.0-2.0-19.0-11.044-24.00.00.01717
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.00.4-0.1-0.20.1-0.10.10.5-0.20.00.10.5-0.00.00.20.80.00.00.10.40.10.0-0.00.10.00.00.3-0.4-0.00.00.1-0.50.10.00.1-0.4-0.10.0-0.51.9-1.00.00.00.70.7

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2352402422632552432432442472512462492542552532572602582492432442432482482171991961861901821829198103109103102981005998118101107107109
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.75.04.95.87.05.45.15.35.45.55.35.55.65.45.15.25.05.40.04.74.74.50.04.94.54.20.04.24.74.60.03.54.04.30.04.64.54.20.02.54.14.70.04.74.64.7

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value296190205292293172241221326158324151332169322149338130336129335132340134268117239127255105-131.0-69.0-101.0-125.0-88.0-107.0-79.0-102.0-602.07385978911289112
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.04.04.26.48.03.85.04.87.13.57.03.47.43.66.53.06.52.70.02.56.42.40.02.65.52.40.02.96.32.70.0-2.6-4.2-5.20.0-4.8-3.5-4.30.03.13.63.90.05.03.94.8

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value13812513290816612780958410774829213078878910288859399573329209.0191610.08.07.05.0-9.0-18.03.04.03.02.03.02.02.04.01.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.62.72.02.21.52.61.82.11.82.31.61.82.02.61.61.71.80.01.71.61.70.01.10.70.60.00.20.50.40.00.30.30.2-0.4-0.80.10.00.10.10.10.00.10.20.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value11997414-196.088932.0-232.017-19.0-5.0-9.02699-229.0-367.0-55.0-53.0-79.0-8.0-46.0-59.0-97.0-29.0-61.047619.0-26.0-32.0-24.028-50.0-88.04940-6.058-76.06.05573
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.08.4-4.32.42.10.0-5.10.4-0.4-0.1-0.20.62.1-4.6-7.4-1.1-1.10.0-0.2-0.9-1.10.0-0.6-1.31.00.00.2-0.6-0.80.01.1-2.1-3.70.01.8-0.32.50.00.32.32.9

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value12097414-197.088942.0-233.015-27.0-5.0-9.02498-230.0-366.0-56.0-52.0-79.0-9.0-44.0-55.0-100.0-28.0-60.0466110.0-10.0-27.0-17.033-53.0-86.056304263-66.08.040885893835
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.08.4-4.32.42.10.0-5.10.3-0.6-0.1-0.20.52.1-4.6-7.4-1.1-1.10.0-0.2-0.8-1.00.0-0.6-1.21.00.00.2-0.2-0.70.01.3-2.2-3.60.01.41.92.70.00.31.73.50.041.51.5

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
Value586520920271471327460294388371404320406517485513102672723332673473152871642903372112071701671482021462111531802051497916325916597171201
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 RevenueFromContractWithCustomerExcludingAssessedTax11.810.918.75.912.97.29.66.48.58.28.77.19.011.09.71.06.05.50.06.45.16.40.05.73.46.10.04.85.14.30.05.78.36.10.06.97.98.70.03.46.910.30.04.37.48.6

us-gaap:OperatingIncomeLoss us-gaap:Restatement

srt:ScenarioPreviouslyReported


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value920271471286460294388371
Percentage of OperatingIncomeLoss100.0100.0100.087.5100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.75.912.96.39.66.48.58.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

srt:RestatementAdjustment, us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.041-6.08.01210.0
Percentage of OperatingIncomeLoss0.00.00.012.5-1.32.73.12.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.9-0.10.20.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:RestatementAdjustment us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate0.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value5.0-1.0-30.04.01.01.0-41.03.02.02.0-21.041-4.08.0344.0133.0-58.03.0-43.04.09.04.02.03.0-162.00.03.01.0440.00.00.0-19.00.00.03.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.00.0100.00.00.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.0-0.60.10.00.0-0.90.10.00.0-0.50.9-0.10.20.70.10.30.10.00.1-0.80.10.00.10.00.10.00.00.10.00.00.00.00.00.00.00.00.1

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-31
Value5.0-1.04.01.01.03.02.02.041-4.08.0344.0133.0-58.03.0-43.04.09.04.02.03.0-162.00.04.00.00.0-19.00.00.03.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0133.30.00.0100.00.00.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.00.10.00.00.10.00.00.9-0.10.20.70.10.30.10.00.1-0.80.10.00.10.00.10.00.00.10.00.00.00.00.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value-1.010.0-2.00.02.01.0-2.0-3.0-1.01.0-3.00.0-1.0-1.0-4.0-5.0-5.0-7.0-5.0-6.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.2-0.00.00.10.0-0.0-0.1-0.00.0-0.10.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value257222546-106.0169159129-152.01126510265108191-99.0-289.03236238039342.028-28.0768118-7.0-16.0-14.036-43.0-83.05432-20.067-66.0156382829403595
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.24.611.1-2.34.63.52.7-3.32.51.42.21.42.44.1-2.0-5.80.60.70.01.50.70.60.00.6-0.61.60.00.4-0.2-0.40.01.4-1.8-3.50.01.4-0.92.90.00.62.73.30.041.61.54.1

us-gaap:ProfitLoss us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value197165288167138109318156141
Percentage of ProfitLoss76.774.352.7-157.581.768.6246.5-102.6125.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.03.55.93.73.82.46.63.43.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees27.726.00.024.029.519.30.025.122.8

us-gaap:ProfitLoss us-gaap:Restatement

srt:ScenarioPreviouslyReported


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value546-106.0169128129-152.011265
Percentage of ProfitLoss100.0100.0100.080.5100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.1-2.34.62.82.7-3.32.51.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

srt:RestatementAdjustment, us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.031-5.06.09.07.0
Percentage of ProfitLoss0.0-0.00.019.5-3.9-3.98.010.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.7-0.10.10.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:RestatementAdjustment us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate0.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4954478149154557364845204806456845604545461944894506469949784941517348135214521652205420541750634844479148244428404239263261261824222387233122212265235016322342237425062301226223032339
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-30
Value-124.0-122.0-143.0-136.0-113.0-136.0-141.0-140.0-146.0-146.0-150.0-146.0-144.0-150.0-155.0-149.0-155.0-163.0-159.0-162.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.5-2.6-2.9-3.0-3.1-3.0-2.9-3.1-3.2-3.2-3.2-3.3-3.2-3.2-3.1-3.0-3.0-3.1-3.0-3.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.5-2.6-2.9-3.0-3.1-3.0-2.9-3.1-3.2-3.2-3.2-3.3-3.2-3.2-3.1-3.0-3.0-3.1-3.0-3.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, thc:OtherCustomers, thc:ConiferSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value195188201189192196191196209203222225242254239252245
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.93.94.14.15.34.34.04.34.64.54.85.05.45.44.85.14.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.93.94.14.15.34.34.04.34.64.54.85.05.45.44.85.14.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:OtherCustomers thc:ConiferSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:TenetHealthcareCorp, thc:ConiferSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value124122143136113136141140146146
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.62.93.03.13.02.93.13.23.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.62.93.03.13.02.93.13.23.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:TenetHealthcareCorp thc:ConiferSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, thc:OtherRevenues, thc:CoreServicesAndOtherSegment, us-gaap:SegmentContinuingOperations


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value295259294310284280280282328
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.57.16.56.56.26.16.26.17.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.57.16.56.56.26.16.26.17.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:OtherRevenues thc:CoreServicesAndOtherSegment us-gaap:SegmentContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:OtherRevenues, thc:HospitalOperationsSegment, us-gaap:SegmentContinuingOperations


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value313297259294
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.36.27.16.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.36.27.16.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:OtherRevenues thc:HospitalOperationsSegment us-gaap:SegmentContinuingOperations100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:StatementOperatingActivitiesSegment, us-gaap:Subsegments

us-gaap:OperatingSegments, thc:HealthCarePatientServiceExcludingPhysicianPractices, thc:CoreServicesAndOtherSegment, us-gaap:SegmentContinuingOperations, thc:AcuteCareHospitalsAndRelatedOutpatientFacilities


Revenue
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
Value350828293540367335663547358235613434344336433860352237193728
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax77.077.578.376.478.177.878.877.176.576.477.577.571.371.977.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax77.077.578.376.478.177.878.877.176.576.477.577.571.371.977.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:HealthCarePatientServiceExcludingPhysicianPractices thc:CoreServicesAndOtherSegment us-gaap:SegmentContinuingOperations thc:AcuteCareHospitalsAndRelatedOutpatientFacilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:HealthCarePatientServiceExcludingPhysicianPractices, thc:HospitalOperationsSegment, us-gaap:SegmentContinuingOperations, thc:AcuteCareHospitalsAndRelatedOutpatientFacilities


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value3782365028293540
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax76.376.377.578.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax76.376.377.578.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:HealthCarePatientServiceExcludingPhysicianPractices thc:HospitalOperationsSegment us-gaap:SegmentContinuingOperations thc:AcuteCareHospitalsAndRelatedOutpatientFacilities100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:HealthCarePatientServiceIndemnityAndOther, thc:CoreServicesAndOtherSegment, us-gaap:SegmentContinuingOperations, thc:AcuteCareHospitalsAndRelatedOutpatientFacilities


Revenue
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
Value171127193171184169155158156147135151161151145
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.83.54.33.64.03.73.43.43.53.32.93.03.32.93.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.83.54.33.64.03.73.43.43.53.32.93.03.32.93.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:HealthCarePatientServiceIndemnityAndOther thc:CoreServicesAndOtherSegment us-gaap:SegmentContinuingOperations thc:AcuteCareHospitalsAndRelatedOutpatientFacilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:HealthCarePatientServiceIndemnityAndOther, thc:HospitalOperationsSegment, us-gaap:SegmentContinuingOperations, thc:AcuteCareHospitalsAndRelatedOutpatientFacilities


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value192176127193
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.93.73.54.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.93.73.54.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:HealthCarePatientServiceIndemnityAndOther thc:HospitalOperationsSegment us-gaap:SegmentContinuingOperations thc:AcuteCareHospitalsAndRelatedOutpatientFacilities100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:HealthCarePatientServiceManagedCare, thc:CoreServicesAndOtherSegment, us-gaap:SegmentContinuingOperations, thc:AcuteCareHospitalsAndRelatedOutpatientFacilities


Revenue
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
Value237418242321247523572330235423442228227323682372232724512433
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax52.150.051.351.551.651.151.850.749.650.450.447.647.147.450.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax52.150.051.351.551.651.151.850.749.650.450.447.647.147.450.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:HealthCarePatientServiceManagedCare thc:CoreServicesAndOtherSegment us-gaap:SegmentContinuingOperations thc:AcuteCareHospitalsAndRelatedOutpatientFacilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:HealthCarePatientServiceManagedCare, thc:HospitalOperationsSegment, us-gaap:SegmentContinuingOperations, thc:AcuteCareHospitalsAndRelatedOutpatientFacilities


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value2545248018242321
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.451.950.051.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.451.950.051.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:HealthCarePatientServiceManagedCare thc:HospitalOperationsSegment us-gaap:SegmentContinuingOperations thc:AcuteCareHospitalsAndRelatedOutpatientFacilities100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:HealthCarePatientServiceMedicaid, thc:CoreServicesAndOtherSegment, us-gaap:SegmentContinuingOperations, thc:AcuteCareHospitalsAndRelatedOutpatientFacilities


Revenue
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
Value251259281279284316314323336314321498252279275
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.57.16.25.86.26.96.97.07.57.06.810.05.15.45.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.57.16.25.86.26.96.97.07.57.06.810.05.15.45.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:HealthCarePatientServiceMedicaid thc:CoreServicesAndOtherSegment us-gaap:SegmentContinuingOperations thc:AcuteCareHospitalsAndRelatedOutpatientFacilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:HealthCarePatientServiceMedicaid, thc:HospitalOperationsSegment, us-gaap:SegmentContinuingOperations, thc:AcuteCareHospitalsAndRelatedOutpatientFacilities


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value288259259281
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.85.47.16.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.85.47.16.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:HealthCarePatientServiceMedicaid thc:HospitalOperationsSegment us-gaap:SegmentContinuingOperations thc:AcuteCareHospitalsAndRelatedOutpatientFacilities100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:HealthCarePatientServiceSelfpay, thc:CoreServicesAndOtherSegment, us-gaap:SegmentContinuingOperations, thc:AcuteCareHospitalsAndRelatedOutpatientFacilities


Revenue
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
Value5022403644111.018338.037519.01813
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.10.60.90.71.00.20.00.40.70.20.81.00.20.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.10.60.90.71.00.20.00.40.70.20.81.00.20.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:HealthCarePatientServiceSelfpay thc:CoreServicesAndOtherSegment us-gaap:SegmentContinuingOperations thc:AcuteCareHospitalsAndRelatedOutpatientFacilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:HealthCarePatientServiceSelfpay, thc:HospitalOperationsSegment, us-gaap:SegmentContinuingOperations, thc:AcuteCareHospitalsAndRelatedOutpatientFacilities


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value60472240
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.00.60.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.00.60.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:HealthCarePatientServiceSelfpay thc:HospitalOperationsSegment us-gaap:SegmentContinuingOperations thc:AcuteCareHospitalsAndRelatedOutpatientFacilities100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:Medicare, thc:CoreServicesAndOtherSegment, us-gaap:SegmentContinuingOperations, thc:AcuteCareHospitalsAndRelatedOutpatientFacilities


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value662597705712697721758718681701782
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.516.415.614.815.315.816.715.515.215.616.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.516.415.614.815.315.816.715.515.215.616.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:Medicare thc:CoreServicesAndOtherSegment us-gaap:SegmentContinuingOperations thc:AcuteCareHospitalsAndRelatedOutpatientFacilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:Medicare, thc:HospitalOperationsSegment, us-gaap:SegmentContinuingOperations, thc:AcuteCareHospitalsAndRelatedOutpatientFacilities


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value697688597705
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.114.416.415.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.114.416.415.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:Medicare thc:HospitalOperationsSegment us-gaap:SegmentContinuingOperations thc:AcuteCareHospitalsAndRelatedOutpatientFacilities100.0100.0100.0100.0

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

us-gaap:OperatingSegments, thc:AmbulatoryCare


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value664646649565368490632522524480554502531498
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.413.513.212.410.110.813.211.411.510.612.011.211.810.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.413.513.212.410.110.813.211.411.510.612.011.211.810.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:AmbulatoryCare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:ConiferSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value319310344325305332332336355349372371386404394401400
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.46.57.07.18.47.36.97.47.87.78.18.38.68.67.98.17.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.46.57.07.18.47.36.97.47.87.78.18.38.68.67.98.17.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:ConiferSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:CoreServicesAndOtherSegment


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value38033088383439833850382738623843376237333947419438664085
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.584.684.882.984.383.985.083.283.882.884.084.378.279.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.584.684.882.984.383.985.083.283.882.884.084.378.279.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:CoreServicesAndOtherSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:HospitalOperationsSegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value4095394730883834
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax82.782.684.684.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax82.782.684.684.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:HospitalOperationsSegment100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:StatementOperatingActivitiesSegment

us-gaap:OperatingSegments, thc:AmbulatoryCare, us-gaap:SegmentContinuingOperations


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value664646649565368490632522524480554502531498
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.413.513.212.410.110.813.211.411.510.612.011.211.810.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.413.513.212.410.110.813.211.411.510.612.011.211.810.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:AmbulatoryCare us-gaap:SegmentContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:ConiferSegment, us-gaap:SegmentContinuingOperations


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value319310344325305332332336355349372371386404394401400402
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.46.57.07.18.47.36.97.47.87.78.18.38.68.67.98.17.78.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.46.57.07.18.47.36.97.47.87.78.18.38.68.67.98.17.78.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:ConiferSegment us-gaap:SegmentContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:CoreServicesAndOtherSegment, us-gaap:SegmentContinuingOperations


Revenue
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
Value380330883834398338503827386238433762373339474194386640854115
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.584.684.882.984.383.985.083.283.882.884.084.378.279.085.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.584.684.882.984.383.985.083.283.882.884.084.378.279.085.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:CoreServicesAndOtherSegment us-gaap:SegmentContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, thc:HospitalOperationsSegment, us-gaap:SegmentContinuingOperations


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value4095394730883834
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax82.782.684.684.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax82.782.684.684.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments thc:HospitalOperationsSegment us-gaap:SegmentContinuingOperations100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementOperatingActivitiesSegment

us-gaap:IntersegmentElimination, us-gaap:SegmentContinuingOperations


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-124.0-122.0-143.0-136.0-113.0-136.0-141.0-140.0-146.0-146.0-150.0-146.0-144.0-150.0-155.0-149.0-155.0-159.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.5-2.6-2.9-3.0-3.1-3.0-2.9-3.1-3.2-3.2-3.2-3.3-3.2-3.2-3.1-3.0-3.0-3.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.5-2.6-2.9-3.0-3.1-3.0-2.9-3.1-3.2-3.2-3.2-3.3-3.2-3.2-3.1-3.0-3.0-3.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination us-gaap:SegmentContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value711634934697468566871622619
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.413.319.015.312.812.518.113.613.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.413.319.015.312.812.518.113.613.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MajorCustomers, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

thc:OtherCustomers, thc:HealthCareClientContractsOtherServices, thc:ConiferSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value201919192020202122232222222222232419
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.40.40.40.50.40.40.50.50.50.50.50.50.50.40.50.50.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.40.40.40.50.40.40.50.50.50.50.50.50.50.40.50.50.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax thc:OtherCustomers thc:HealthCareClientContractsOtherServices thc:ConiferSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:OtherCustomers, thc:HealthCareClientContractsRevenueCycleServices, thc:ConiferSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value175169182170172176171175187180200203220232217229221224
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.53.73.74.73.93.63.84.14.04.34.54.94.94.44.64.34.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.53.73.74.73.93.63.84.14.04.34.54.94.94.44.64.34.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax thc:OtherCustomers thc:HealthCareClientContractsRevenueCycleServices thc:ConiferSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:TenetHealthcareCorp, thc:HealthCareClientContractsOtherServices, thc:ConiferSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4.04.04.04.04.02.05.04.04.04.06.05.05.06.06.07.010.012
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.00.10.10.10.10.10.10.10.10.10.10.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.00.10.10.10.10.10.10.10.10.10.10.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax thc:TenetHealthcareCorp thc:HealthCareClientContractsOtherServices thc:ConiferSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:TenetHealthcareCorp, thc:HealthCareClientContractsRevenueCycleServices, thc:ConiferSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value120118139132109134136136142142144141139144149142145147
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.52.82.93.03.02.83.03.13.13.13.13.13.13.02.92.83.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.52.82.93.03.02.83.03.13.13.13.13.13.13.02.92.83.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax thc:TenetHealthcareCorp thc:HealthCareClientContractsRevenueCycleServices thc:ConiferSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

thc:HealthCareManagementFees, thc:AmbulatoryCare


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value212226231621262323
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.50.50.50.40.50.50.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.50.50.50.40.50.50.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax thc:HealthCareManagementFees thc:AmbulatoryCare100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:HealthCareOtherSources, thc:AmbulatoryCare


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value5.05.08.010.03.05.03.09.05.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.20.20.10.10.10.20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.20.20.10.10.10.20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax thc:HealthCareOtherSources thc:AmbulatoryCare100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HealthCarePatientService, thc:AmbulatoryCare


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value638619615532349464603490496
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.912.912.511.79.610.312.510.710.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.912.912.511.79.610.312.510.710.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:HealthCarePatientService thc:AmbulatoryCare100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Restatement

srt:RestatementAdjustment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value145.03.0-2.01.04.03.07.07.010.0130.06.05.0-1.07.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.10.1-0.00.00.10.10.20.20.20.30.00.10.1-0.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.10.1-0.00.00.10.10.20.20.20.30.00.10.1-0.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:RestatementAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

thc:AmbulatoryCare


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value664646649565368490632522524
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.413.513.212.410.110.813.211.411.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.413.513.212.410.110.813.211.411.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax thc:AmbulatoryCare100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:ConiferSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value319310344325305332332336355349372371386404394401400402
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.46.57.07.18.47.36.97.47.87.78.18.38.68.67.98.17.78.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.46.57.07.18.47.36.97.47.87.78.18.38.68.67.98.17.78.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax thc:ConiferSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementOperatingActivitiesSegment

us-gaap:SegmentContinuingOperations


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value495447814915455736484520480645684560454546194489450646994978458648024813
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.092.892.8100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.092.892.8100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SegmentContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4954478149154557364845204806456845604545461944894506469949784586480248133765521652205420541750634844479148244428404239263261261824222387233122212265235016322342237425062301226223032339
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.092.892.8100.072.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value265652655427106261872625023823233512335723207231582240922265223432318423385232082434124510247012447424240237662368223173227461842518141173121690716484161309337915689159044847084858545846282938435852485007953
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

thc:AmbulatoryCare


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value78728027804864876470631961956100605760145711582257475722572956735467515949794917204
Percentage of Assets29.630.229.724.824.626.526.526.126.126.025.524.923.423.223.423.423.021.821.521.61.1
Percentage of Assets29.630.229.724.824.626.526.526.126.126.025.524.923.423.223.423.423.021.821.521.61.1
Percentage of Assets thc:AmbulatoryCare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:ConiferSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312010-12-31
Value9679721010974973961974105510781074101410691082110210971112112711441108111811551168117011671151114992932433032225624526723221989757363
Percentage of Assets3.63.73.73.73.74.04.24.54.64.64.54.84.84.84.74.84.64.74.54.64.84.94.95.05.16.25.11.92.02.01.62.62.92.62.41.10.90.90.7
Percentage of Assets3.63.73.73.73.74.04.24.54.64.64.54.84.84.84.74.84.64.74.54.64.84.94.95.05.16.25.11.92.02.01.62.62.92.62.41.10.90.90.7
Percentage of Assets thc:ConiferSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:CoreServicesAndOtherSegment


Assetsus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312010-12-31
Value1872618807165431618216202160721607015684155561539616271164661624917422176191787117627174121713117353170271667817276172121698816577161621587490928889868388258381841083898437
Percentage of Assets71.571.669.469.369.469.369.470.069.968.970.270.470.071.671.972.372.071.872.173.373.573.393.894.998.198.098.098.497.497.197.497.698.999.199.199.3
Percentage of Assets71.571.669.469.369.469.369.470.069.968.970.270.470.071.671.972.372.071.872.173.373.573.393.894.998.198.098.098.497.497.197.497.698.999.199.199.3
Percentage of Assets thc:CoreServicesAndOtherSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:HospitalOperations


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value180481619615705
Percentage of Assets66.669.470.1
Percentage of Assets66.669.470.1
Percentage of Assets thc:HospitalOperations100.0100.0100.0

thc:HospitalOperationsSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-31
Value177261755518048
Percentage of Assets66.766.166.6
Percentage of Assets66.766.166.6
Percentage of Assets thc:HospitalOperationsSegment100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value233622354624217241862405621794213622139321028210452030220163203382062620980206972150520986212262100220813204592045820473201371724516955160501575715363150058334809578337810718572406998695465166545661666817256
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets87.988.789.392.491.691.591.591.690.690.990.690.691.089.089.789.288.385.685.985.885.986.186.488.388.593.693.592.793.293.293.089.388.487.986.484.885.381.982.278.677.677.678.691.2

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value265652655427106261872625023823233512335723207231582240922265223432318423385232082434124510247012447424240237662368223173227461842518141173121690716484161309337915689159044847084858545846282938435852485007953
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
Value26112328-374.0-257.0-358.0-371.0-341.0-108.0-134.0-119.0-108.0-154.0-65.0-147.024373430417528523625691802803839651735723728755825895969114312241176146014231698181018441766646
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 Assets1.00.50.1-1.4-1.0-1.5-1.6-1.5-0.5-0.6-0.5-0.5-0.7-0.3-0.60.11.51.81.72.22.22.62.93.53.54.63.64.24.34.44.78.89.810.912.614.513.917.116.820.521.521.620.88.1

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
Value74176699714778087947538850814789470445824636449247055634557353095382505252575116499351295171629660095124471742014208397837102560257424432681248425642482235721762314239323112472
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 Assets27.925.226.429.830.322.621.820.520.319.820.720.221.124.323.822.922.120.621.320.920.621.621.827.226.427.826.024.324.924.123.027.428.127.429.629.330.229.027.926.227.428.127.231.1

us-gaap:AssetsCurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Assets
Period End2020-12-312019-12-312018-12-31
Value13091180842
Percentage of AssetsCurrent18.323.218.2
Percentage of Assets4.85.13.8
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value219421412446330035146132623142492524115004039746114294755727166496567283564502991851932004061411138290953648382104113185264267405398711589690507572
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 Assets8.38.19.012.613.42.61.11.31.11.11.82.21.84.22.61.82.02.32.92.72.73.11.51.91.31.01.11.22.40.90.70.91.01.14.01.01.01.21.32.23.13.14.80.00.00.08.70.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue dei:LegalEntity

thc:CaptiveInsuranceSubsidiaries


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312011-09-302010-12-31
Value173172166161176152176204156174177165175187179167160155232201190175171206128117104986281109
Percentage of CashAndCashEquivalentsAtCarryingValue7.98.06.84.95.024.867.265.062.769.043.133.043.419.229.338.933.727.132.431.029.024.048.045.842.863.253.949.054.943.826.9
Percentage of Assets0.70.60.60.60.70.60.80.90.70.80.80.70.80.80.80.70.70.60.90.80.80.70.70.90.60.60.60.60.41.01.3
Percentage of Assets thc:CaptiveInsuranceSubsidiaries0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

thc:HealthPlanRelatedBusinesses


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1.01.01.02.02.02.02.0138.02843323062841185
Percentage of CashAndCashEquivalentsAtCarryingValue0.00.00.00.30.80.60.85.21.95.610.73.34.914.517.71.911.9
Percentage of Assets0.00.00.00.00.00.00.00.10.00.10.20.10.10.30.30.00.3
Percentage of Assets thc:HealthPlanRelatedBusinesses0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value21942141244633003514613262314249252411500403974611716
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.38.19.012.613.42.61.11.31.11.11.82.21.84.22.62.9

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
Value26432745269024792435272227432768273427442595248424832519261625672706296028972786273428072704252525052468240422382171214120381380136913831345133813561417127812211258123711431158
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 Assets9.910.39.99.59.311.411.711.911.811.811.611.211.110.911.211.111.112.111.711.411.311.811.410.911.013.413.312.912.813.012.614.815.015.514.915.816.016.615.114.714.914.513.414.6

us-gaap:AccountsReceivableNetCurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:BalanceSheetLocation

thc:CaliforniaProviderFeeProgram, us-gaap:OtherCurrentAssets


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value24925537832523925731627429728427814716731731237538041353756149445038735233541239964
Percentage of AccountsReceivableNetCurrent9.49.314.113.19.89.411.59.910.910.310.75.96.712.611.914.614.014.018.520.118.116.014.313.913.416.716.63.1
Percentage of Assets0.91.01.41.20.91.11.41.21.31.21.20.70.71.41.31.61.61.72.22.32.01.91.61.51.52.22.20.4
Percentage of Assets thc:CaliforniaProviderFeeProgram us-gaap:OtherCurrentAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccountsReceivableNetCurrent us-gaap:StatementOperatingActivitiesSegment

us-gaap:SegmentContinuingOperations


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value2642274326892478243427212741276627322746259324822481251726142565270429582895278427312804270125222502246524012236216821382035137613681379133613201321141512801142
Percentage of AccountsReceivableNetCurrent100.099.9100.0100.0100.0100.099.999.999.9100.199.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.799.999.799.398.797.499.9100.299.9
Percentage of Assets9.910.39.99.59.311.411.711.811.811.911.611.111.110.911.211.111.112.111.711.411.311.811.410.911.013.413.212.912.813.012.614.714.915.514.815.615.616.615.113.4
Percentage of Assets us-gaap:SegmentContinuingOperations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SegmentDiscontinuedOperations


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value1.02.01.01.01.01.02.02.02.0-2.02.02.02.02.02.02.02.02.02.02.03.03.03.03.03.03.03.02.03.03.03.04.01.04.09.018352.0-2.01.0
Percentage of AccountsReceivableNetCurrent0.00.10.00.00.00.00.10.10.1-0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.30.10.30.71.32.60.1-0.20.1
Percentage of Assets0.00.00.00.00.00.00.00.00.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.20.40.0-0.00.0
Percentage of Assets us-gaap:SegmentDiscontinuedOperations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value364368368349337324310311309308305307298294289297316324326322316312309275261268276270264261262154153152153154154157161157156156156153
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 Assets1.41.41.41.31.31.41.31.31.31.31.41.41.31.31.21.31.31.31.31.31.31.31.31.21.11.51.51.61.61.61.61.61.71.71.71.81.81.81.91.91.81.81.81.9

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value138813061502129212651317136913781393126111971046104112281035116011731167128513311282128012451202111011461095746700839716583600455458502509386378357375412288286
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.24.95.54.94.85.55.95.96.05.45.34.74.75.34.45.04.84.85.25.45.35.45.35.24.96.26.04.34.15.14.46.26.65.15.15.96.04.54.54.34.44.83.43.6

Assets Noncurrent

us-gaap:AssetsNoncurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:AssetsNoncurrent

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Assets
Period End2020-12-312019-12-312018-12-31
Value12621042662
Percentage of AssetsNoncurrent100.0100.0100.0
Percentage of Assets4.74.53.0
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.00.0

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value48474548384150484545514548414744394241333840
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Investments

us-gaap:LongTermInvestments

us-gaap:LongTermInvestments


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value10279809961014984876133118374553
Percentage of LongTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.84.24.44.34.03.70.70.70.40.50.6

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value86598799880873027301730872527315729872837281731372187036701870227157742974257376729171226970660666023874391337053200307030421120970948916771749738736724715677652607
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.633.132.527.927.830.731.131.331.431.432.532.832.330.330.030.329.430.330.130.130.130.029.428.529.021.021.621.418.918.618.912.010.610.610.19.18.88.68.78.78.57.97.77.6

us-gaap:Goodwill us-gaap:BusinessAcquisition

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value762515817876834334183.02202111322091654310.04643163141143374291329052034013771112121196182
Percentage of Goodwill0.90.317.91.11.01.10.60.50.20.03.02.91.80.31.30.90.60.16.24.34.31.648.444.144.00.58.73.72.20.469.717.519.9
Percentage of Assets0.30.15.80.30.30.30.20.10.10.01.00.90.60.10.40.30.20.01.91.31.30.514.212.612.80.11.90.80.40.113.12.12.0
Percentage of Assets us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

thc:AmbulatoryCare


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value5258373936963437344732439537
Percentage of Goodwill59.751.650.849.046.446.52.41.2
Percentage of Assets19.416.016.514.714.013.70.50.2
Percentage of Assets thc:AmbulatoryCare65.360.464.759.060.262.946.60.0

thc:ConiferSegment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value60560560560560560560683780.00.0
Percentage of Goodwill6.98.38.38.68.18.715.52.78.50.00.0
Percentage of Assets2.22.62.72.62.42.63.30.50.90.00.0
Percentage of Assets thc:ConiferSegment59.962.159.755.254.651.765.232.435.60.00.0

thc:HospitalOperations


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value294529082980
Percentage of Goodwill33.440.140.9
Percentage of Assets10.912.513.3
Percentage of Assets thc:HospitalOperations16.318.019.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value15221590160015781603161116021620164516751731176217931792176617641806186318451853186516861675183018941478127811911105500454441442379
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.76.05.96.06.16.86.96.97.17.27.77.98.07.77.67.67.47.67.57.67.77.17.17.98.38.07.06.96.96.05.45.25.24.8

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ComputerSoftwareIntangibleAsset


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value646711716684704709704809828886862826680
Percentage of IntangibleAssetsNetExcludingGoodwill42.444.744.843.343.944.043.946.746.948.051.564.661.5
Percentage of Assets2.42.72.62.62.73.03.03.63.53.63.64.64.2
Percentage of Assets us-gaap:ComputerSoftwareIntangibleAsset0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ContractBasedIntangibleAssets


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value7517567617727727797757957998026275155
Percentage of IntangibleAssetsNetExcludingGoodwill49.347.547.648.948.248.448.445.945.243.537.44.05.0
Percentage of Assets2.82.82.82.92.93.33.33.53.43.22.60.30.3
Percentage of Assets us-gaap:ContractBasedIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value23212120252121253751809965
Percentage of IntangibleAssetsNetExcludingGoodwill1.51.31.31.31.61.31.31.42.12.84.87.75.9
Percentage of Assets0.10.10.10.10.10.10.10.10.20.20.30.50.4
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TradeNames


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value102102102102102102102102102106106106106
Percentage of IntangibleAssetsNetExcludingGoodwill6.76.46.46.56.46.36.45.95.85.76.38.39.6
Percentage of Assets0.40.40.40.40.40.40.40.50.40.40.40.60.7
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value838907917890124112291192723700670650578526506489442
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.23.43.43.47.37.57.47.77.67.57.26.86.25.95.85.2

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


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
Value296142276419592740863671696792909
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.10.61.21.82.43.14.84.27.79.410.7

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value1062912913874799822
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0
Percentage of Assets3.93.93.93.83.50.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1084110312071025101810791204112510881101120710651047105911751100108611791329122812721228138012061149109811791068101510191075618587625722629644640760629614638720739
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.14.24.53.93.94.55.24.84.74.85.44.84.74.65.04.74.54.85.45.05.25.25.85.25.16.06.56.26.06.26.76.66.47.08.07.47.67.59.07.67.37.58.59.3

us-gaap:AccountsPayableCurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:BalanceSheetLocation

thc:CaliforniaProviderFeeProgram, us-gaap:OtherCurrentLiabilities


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value901221101479512611570916310061599415956979713917619117413913111016621232
Percentage of AccountsPayableCurrent8.311.19.114.39.311.79.66.28.45.78.35.75.68.913.55.18.98.210.514.315.014.210.110.99.615.118.03.0
Percentage of Assets0.30.50.40.60.40.50.50.30.40.30.40.30.30.40.70.20.40.40.60.70.80.70.60.60.50.91.20.2
Percentage of Assets thc:CaliforniaProviderFeeProgram us-gaap:OtherCurrentLiabilities0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value10559176591500149661
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets4.03.52.45.75.70.3

us-gaap:ContractWithCustomerLiabilityCurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:StatementBusinessSegments

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees, thc:AmbulatoryCare


Contract
Period End2021-06-302021-03-312020-12-31
Value616651
Percentage of ContractWithCustomerLiabilityCurrent5.87.27.7
Percentage of Assets0.20.20.2
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees thc:AmbulatoryCare0.00.00.0

us-gaap:ContractWithCustomerLiabilityCurrent us-gaap:StatementBusinessSegments

thc:AmbulatoryCare


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-06-302018-12-31
Value106123931721670.00.00.0
Percentage of ContractWithCustomerLiabilityCurrent10.013.414.111.511.20.00.00.0
Percentage of Assets0.40.50.30.70.60.00.00.0
Percentage of Assets thc:AmbulatoryCare1.31.51.22.72.60.00.00.0

thc:ConiferSegment


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value58605658636161726764617478788079857976
Percentage of ContractWithCustomerLiabilityCurrent5.56.58.53.94.20.0100.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.30.30.30.3
Percentage of Assets thc:ConiferSegment6.06.25.56.06.56.36.36.86.26.06.06.97.27.17.37.17.56.96.9

thc:HospitalOperationsAndAmbulatoryCare


Contract
Period End2021-06-302021-03-312020-12-31
Value997857603
Percentage of ContractWithCustomerLiabilityCurrent94.593.591.5
Percentage of Assets3.83.22.2
Percentage of Assets thc:HospitalOperationsAndAmbulatoryCare0.00.00.0

thc:HospitalOperationsAndOther


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-06-302018-12-31
Value891734510127012660.00.00.0
Percentage of ContractWithCustomerLiabilityCurrent84.580.077.484.784.60.00.00.0
Percentage of Assets3.42.81.94.84.80.00.00.0
Percentage of Assets thc:HospitalOperationsAndOther0.00.00.00.00.00.00.00.0

thc:HospitalOperationsAndOtherTotalPriorToInterSegmentEliminations


Contract
Period End2020-12-31
Value510
Percentage of ContractWithCustomerLiabilityCurrent77.4
Percentage of Assets1.9
Percentage of Assets thc:HospitalOperationsAndOtherTotalPriorToInterSegmentEliminations0.0

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value50714930484758435585409542053928415037253857422443544561433241394337376740344547443042684308409337743734357731453384333629281769165815491763182918721840181516791662165717251783
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 Assets19.118.617.922.321.317.218.016.817.916.117.219.019.519.718.517.817.815.416.318.618.318.018.217.716.620.319.718.220.020.218.218.918.117.419.521.622.121.521.420.219.719.420.322.4

us-gaap:LiabilitiesCurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Liabilities
Period End2020-12-312019-12-312018-12-31
Value516372313
Percentage of LiabilitiesCurrent10.68.88.1
Percentage of Assets1.91.61.4
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.00.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value188159160149146147
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.70.60.60.0

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12521245133317351570142913341314121712121131104210671168122711461861116312341293122512051144123610869541051804709686719452423351335389427352362372340350368363
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.74.74.96.66.06.05.75.65.25.25.04.74.85.05.24.97.64.75.05.35.15.14.85.34.85.25.84.64.24.24.54.84.63.93.74.65.04.14.34.54.04.14.34.6

Liabilities Noncurrent

us-gaap:LiabilitiesNoncurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:BalanceSheetLocation

us-gaap:LiabilitiesNoncurrent

thc:CaliforniaProviderFeeProgram, us-gaap:OtherNoncurrentLiabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value745256438765575042
Percentage of LiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.20.20.30.30.20.20.2
Percentage of Assets thc:CaliforniaProviderFeeProgram us-gaap:OtherNoncurrentLiabilities0.00.00.00.00.00.00.00.00.0

us-gaap:LiabilitiesNoncurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Liabilities
Period End2020-12-312019-12-312018-12-31
Value866739430
Percentage of LiabilitiesNoncurrent1546.41296.51023.8
Percentage of Assets3.23.21.9
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.00.0

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DebtAndCapitalLeaseObligations


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value152181523515719157161588815247147511502314976149721482614850148671488914937148811515515218152551450714501145221451014754147541193411807115531156411234108395823563554275252475147484583436040954064
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets57.357.458.060.060.564.063.264.364.564.766.266.766.564.263.964.162.362.161.859.359.861.161.363.764.964.865.166.768.468.267.262.461.560.958.156.156.053.651.549.447.8

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-12-312009-12-31
Value15091150981557415561157281508214580148581431214814146441417814204142231479114741150121507115064143231432014350143831464214637118241169511455109421061210690569055645375515845084511429542943966401439974272
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets56.856.957.559.459.963.362.463.661.764.065.363.763.661.363.263.561.761.561.058.559.160.460.763.264.364.264.566.264.764.466.360.960.860.357.053.253.250.350.747.847.147.053.7

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2929292727272736363636363636360.029628927932037
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.01.21.21.11.30.2

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value459478497525541547560495507512521476515528536596618624626586594593595621627629633381380395398292265249
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.81.82.02.12.32.42.12.22.22.32.12.32.32.32.62.52.52.52.42.52.52.52.72.83.43.52.22.22.42.53.23.12.9

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
Value90889390989689086185483082580880676673068168667168266466563762930126721621513313413115012612395867775455371696364645351
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 Assets3.43.43.43.43.43.63.73.63.63.53.63.43.32.92.92.92.82.72.72.62.61.31.10.90.90.70.70.80.90.80.81.00.90.90.80.50.60.80.80.80.80.80.60.6

us-gaap:MinorityInterest us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Minority
Period End2020-12-312019-12-312018-12-31
Value621579530
Percentage of MinorityInterest68.367.865.8
Percentage of Assets2.32.52.4
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1579159316171564152614051405140513541268578622599627631604598621610606582625594551553534558544484453446620608611595524519526506502503550554568
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 Assets5.96.06.06.05.85.96.06.05.85.52.62.82.72.72.72.62.52.52.52.52.42.62.52.42.42.93.13.12.92.72.86.66.66.96.66.26.16.26.06.16.06.56.57.1

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value999858854819714715
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets3.73.73.73.53.10.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value212
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.8

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value191
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.7

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value168
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
Value141
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.5

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value544
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets2.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value118710171014968860
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets4.44.44.34.23.7

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value1487
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets5.5

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value300
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets1.1

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
Value26112328-374.0-257.0-358.0-371.0-341.0-108.0-134.0-119.0-108.0-154.0-65.0-147.024373430417528523625691802803839651735723728755825895969114312241176146014231698181018441766646
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 Assets1.00.50.1-1.4-1.0-1.5-1.6-1.5-0.5-0.6-0.5-0.5-0.7-0.3-0.60.11.51.81.72.22.22.62.93.53.54.63.64.24.34.44.78.89.810.912.614.513.917.116.820.521.521.620.88.1

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-312007-12-31
Value1169101693752263350348348971767468765857661653969510551094108211651152926958101810189727858668738548789209811046121812691229153114921761187419081819176482669714788
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.43.83.52.02.42.12.12.13.12.93.13.02.62.72.33.04.34.54.44.84.83.94.04.44.55.34.35.05.25.25.49.910.711.713.515.014.517.917.621.222.222.421.40.00.08.80.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents

thc:AmbulatoryCare, us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-30
Value779780793776774745740716709694694699665613622601591575576538280247179
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest66.676.884.6148.7122.3148.1153.2146.498.9103.0101.0106.2115.599.5115.486.556.052.653.246.230.225.817.6
Percentage of Assets2.92.92.93.02.93.13.23.13.13.03.13.13.02.62.72.62.42.32.32.21.21.00.8
Percentage of Assets thc:AmbulatoryCare us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

thc:CoreServicesAndOtherSegment, us-gaap:NoncontrollingInterest


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-30
Value120116116114114116114112676568647091898999212037
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest23.018.323.123.623.316.216.916.310.211.311.011.910.18.68.18.28.52.32.13.6
Percentage of Assets0.50.40.50.50.50.50.50.50.30.30.30.30.30.40.40.40.40.10.10.2
Percentage of Assets thc:CoreServicesAndOtherSegment us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

thc:HospitalOperations, us-gaap:NoncontrollingInterest


Stockholders
Period End2020-12-312019-12-31
Value116114
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest12.423.6
Percentage of Assets0.40.5
Percentage of Assets thc:HospitalOperations us-gaap:NoncontrollingInterest0.00.0

thc:HospitalOperationsSegment, us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-31
Value129113116
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest11.011.112.4
Percentage of Assets0.50.40.4
Percentage of Assets thc:HospitalOperationsSegment us-gaap:NoncontrollingInterest0.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value-277.0-282.0-281.0-251.0-255.0-256.0-257.0-216.0-219.0-221.0-223.0-202.0-243.0-239.0-204.0-238.0-242.0-255.0-258.0-200.0-203.0-160.0-164.0-173.0-177.0-179.0-182.0-20.0-20.0-23.0-24.0-68.0-68.0-68.0-68.0-49.0-49.0-49.0-52.0-43.0-43.0-43.0-43.0-30.0-31.0-32.0-37.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-23.7-27.8-30.0-48.1-40.3-50.9-53.2-44.2-30.5-32.8-32.5-30.7-42.2-38.8-37.8-34.2-22.9-23.3-23.8-17.2-17.6-17.3-17.1-17.0-17.4-18.4-23.2-2.3-2.3-2.7-2.7-7.4-6.9-6.5-5.6-3.9-4.0-3.2-3.5-2.4-2.3-2.3-2.4-1.7-3.8-4.6-25.2
Percentage of Assets-1.0-1.1-1.0-1.0-1.0-1.1-1.1-0.9-0.9-1.0-1.0-0.9-1.1-1.0-0.9-1.0-1.0-1.0-1.0-0.8-0.8-0.7-0.7-0.7-0.8-1.0-1.0-0.1-0.1-0.1-0.1-0.7-0.7-0.8-0.8-0.6-0.6-0.6-0.6-0.5-0.5-0.5-0.50.00.0-0.40.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value48544841484448264751473947604751475547484747473347224833485948354819483448274801479148044815479847744751461445974594457645724562455244844471443744104403440744254425444844494461446144614445
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest415.2476.5517.0924.5750.6942.1985.5971.6663.2704.5691.0719.3819.8784.6901.5695.7456.8441.9446.1412.1415.9518.8502.6471.3469.0488.8587.8530.8526.2535.8520.7495.9464.0428.7367.1349.6358.8287.6295.4251.3236.1233.1244.6252.9540.1640.03023.8
Percentage of Assets18.318.217.918.418.119.920.420.320.520.521.221.321.120.820.820.819.819.719.519.619.820.220.320.721.025.825.426.627.227.828.348.949.750.349.452.452.051.552.153.452.552.252.30.00.056.10.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value8.08.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.02727272727272727272726
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.70.80.71.31.11.41.41.41.01.01.01.11.21.11.31.00.70.60.60.60.60.80.70.70.70.70.90.80.80.80.80.80.70.70.60.62.21.81.81.51.41.41.51.53.33.917.7
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.30.30.30.30.30.30.30.00.00.30.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value90889390989689086185483082580880676673068168667168266466563762930126721621513313413115012612395867775455371696364645353545144
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest77.787.997.0171.6140.6171.2176.8169.7115.1119.9117.3116.4126.7110.6127.396.564.660.761.554.754.632.527.921.221.113.717.115.117.214.814.010.38.87.46.23.54.34.64.63.63.43.42.93.06.57.329.9
Percentage of Assets3.43.43.43.43.43.63.73.63.63.53.63.43.32.92.92.92.82.72.72.62.61.31.10.90.90.70.70.80.90.80.81.00.90.90.80.50.60.80.80.80.80.80.60.00.00.60.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value-1912.0-2031.0-2128.0-2542.0-2346.0-2434.0-2467.0-2469.0-2237.0-2254.0-2236.0-2231.0-2222.0-2248.0-2390.0-2161.0-1794.0-1739.0-1742.0-1663.0-1655.0-1609.0-1550.0-1453.0-1424.0-1363.0-1410.0-1471.0-1480.0-1454.0-1422.0-1398.0-1426.0-1376.0-1288.0-1337.0-1378.0-1376.0-1440.0-1370.0-1382.0-1443.0-1522.0-1602.0-2540.0-2665.0-2852.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-163.6-199.9-227.1-487.0-370.6-483.9-510.8-504.9-312.0-334.4-325.5-339.1-385.8-364.9-443.4-310.9-170.0-159.0-161.0-142.7-143.7-173.8-161.8-142.7-139.9-140.2-179.6-169.9-169.5-170.3-162.0-152.0-145.4-131.5-105.7-105.4-112.1-89.9-96.5-77.8-73.7-75.6-83.7-90.8-307.5-382.4-1940.1
Percentage of Assets-7.2-7.6-7.9-9.7-8.9-10.2-10.6-10.6-9.6-9.7-10.0-10.0-9.9-9.7-10.2-9.3-7.4-7.1-7.1-6.8-6.8-6.8-6.5-6.3-6.3-7.4-7.8-8.5-8.8-8.8-8.8-15.0-15.6-15.4-14.2-15.8-16.2-16.1-17.0-16.5-16.4-16.9-17.90.00.0-33.50.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStockCommon


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-31
Value-2412.0-2413.0-2414.0-2414.0-2414.0-2414.0-2414.0-2414.0-2414.0-2414.0-2414.0-2415.0-2418.0-2418.0-2419.0-2419.0-2417.0-2417.0-2417.0-2417.0-2417.0-2417.0-2417.0-2377.0-2378.0-2378.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-206.3-237.5-257.6-462.5-381.4-479.9-499.8-493.7-336.7-358.2-351.4-367.0-419.8-392.5-448.8-348.1-229.1-220.9-223.4-207.5-209.8-261.0-252.3-233.5-302.9-270.8
Percentage of Assets-9.1-9.1-8.9-9.2-9.2-10.1-10.3-10.3-10.4-10.4-10.8-10.8-10.8-10.4-10.3-10.4-9.9-9.9-9.8-9.9-10.0-10.2-10.2-10.3-13.1-14.7
Percentage of Assets us-gaap:TreasuryStockCommon0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value8.08.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.02727272727272727
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 Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.30.30.30.30.30.30.30.3

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value48544841484448264751473947604751475547484747473347224833485948354819483448274801479148044815479847744751461445974594457645724562455244844471443744104403440744254425444844494461
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.318.217.918.418.119.920.420.320.520.521.221.321.120.820.820.819.819.719.519.619.820.220.320.721.025.825.426.627.227.828.348.949.750.349.452.452.051.552.153.452.552.252.356.1

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-1912.0-2031.0-2128.0-2542.0-2346.0-2434.0-2467.0-2469.0-2237.0-2254.0-2236.0-2231.0-2222.0-2248.0-2390.0-2161.0-1794.0-1739.0-1742.0-1663.0-1655.0-1609.0-1550.0-1453.0-1424.0-1363.0-1410.0-1471.0-1480.0-1454.0-1422.0-1398.0-1426.0-1376.0-1288.0-1337.0-1378.0-1376.0-1440.0-1370.0-1382.0-1443.0-1522.0-2665.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-7.2-7.6-7.9-9.7-8.9-10.2-10.6-10.6-9.6-9.7-10.0-10.0-9.9-9.7-10.2-9.3-7.4-7.1-7.1-6.8-6.8-6.8-6.5-6.3-6.3-7.4-7.8-8.5-8.8-8.8-8.8-15.0-15.6-15.4-14.2-15.8-16.2-16.1-17.0-16.5-16.4-16.9-17.9-33.5

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-277000000.0-282000000.0-281000000.0-251000000.0-255000000.0-256000000.0-257000000.0-216000000.0-219000000.0-221000000.0-223000000.0-202000000.0-243000000.0-239000000.0-204000000.0-238000000.0-242000000.0-255000000.0-258000000.0-200000000.0-203000000.0-160000000.0-164000000.0-173000000.0-177000000.0-179000000.0-182000000.0-20000000.0-20000000.0-23000000.0-24000000.0-68000000.0-68000000.0-68000000.0-68000000.0-49000000.0-49000000.0-49000000.0-52000000.0-43000000.0-43000000.0-43000000.0-43000000.0-32000000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-1.0-1.1-1.0-1.0-1.0-1.1-1.1-0.9-0.9-1.0-1.0-0.9-1.1-1.0-0.9-1.0-1.0-1.0-1.0-0.8-0.8-0.7-0.7-0.7-0.8-1.0-1.0-0.1-0.1-0.1-0.1-0.7-0.7-0.8-0.8-0.6-0.6-0.6-0.6-0.5-0.5-0.5-0.5-0.4

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value90889390989689086185483082580880676673068168667168266466563762930126721621513313413115012612395867775455371696364645351
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 Assets3.43.43.43.43.43.63.73.63.63.53.63.43.32.92.92.92.82.72.72.62.61.31.10.90.90.70.70.80.90.80.81.00.90.90.80.50.60.80.80.80.80.80.60.6

us-gaap:MinorityInterest us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Minority
Period End2020-12-312019-12-312018-12-31
Value621579530
Percentage of MinorityInterest68.367.865.8
Percentage of Assets2.32.52.4
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4361468.0404635374038343028293629314110.0151510.010.010.09.08.010.06.06.04.06.03.03.03.03.02.04.02.02.0-14.03.0
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

thc:RedeemableNoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value505845381636403335373537403043273127362510.03430272.01.05.01.01.01.03.02.00.00.00.00.0
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders116.395.10.082.6200.090.00.071.7100.0100.00.092.5105.388.2143.396.4106.975.0124.180.624.4340.0200.0180.020.010.050.011.112.510.050.033.30.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets thc:RedeemableNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4361468.0404635374038343028293629314110.0151510.010.010.09.08.010.06.06.04.06.03.03.03.03.02.04.02.02.02.03.0
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-14.3100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value245534446593223912952041928410.0250338348113491308215186-293.0269435147191482410-57.0219221266-19.0255206160-32.0256136243-42.0173148178-2.0175128191-22.0
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 RevenueFromContractWithCustomerExcludingAssessedTax4.911.29.113.061.42.910.89.26.20.25.47.57.72.49.96.24.23.9-5.65.28.32.73.59.58.5-1.24.55.06.6-0.57.87.96.6-1.311.06.110.7-1.810.66.37.5-0.17.65.78.3-0.9

us-gaap:NetCashProvidedByUsedInOperatingActivities us-gaap:Restatement

srt:ScenarioPreviouslyReported


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value446593223912952041928410.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.113.061.42.910.89.26.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

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
Value-50.0-145.0-1202.0-117.0-85.0-204.0-193.0-123.0-164.0-139.0-235.0-105.0-148.0373-206.0535-119.0-189.0-280.0-204.0-266.0320-45.0-287.0-798.0-187.0-408.0-338.0-285.0-291.0-1655.0-249.0-156.0-104.0-316.0-98.0-112.0-136.0-179.0-93.0-102.0-129.0-149.0-145.0-58.0-68.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.0-3.0-24.5-2.6-2.3-4.5-4.0-2.7-3.6-3.1-5.1-2.3-3.37.9-4.110.8-2.3-3.9-5.4-3.9-5.15.9-0.8-5.7-16.5-3.9-8.5-7.6-7.1-7.4-50.8-9.5-6.4-4.4-13.6-4.4-4.9-5.8-11.0-4.0-4.3-5.1-6.5-6.4-2.5-2.9

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-142.0-694.0-98.0-690.0747426-379.0-231.0-123.0-30.0-104.0-136.0-771.0-123.0-103.0-889.0-193.0-141.0640-72.0-241.0-95.0-240.0-44.0502236182-89.0284338143135-9.0-133.0341-37.0-153.0169-66.0-134.0-79.0-7.0-19.0-296.0-11.0-11.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.9-14.5-2.0-15.120.59.4-7.9-5.1-2.7-0.7-2.3-3.0-17.1-2.6-2.1-18.0-3.7-2.912.3-1.4-4.6-1.8-4.4-0.910.44.93.8-2.07.08.643.91.3-0.4-5.614.6-1.7-6.87.2-4.0-5.7-3.3-0.3-0.8-13.1-0.5-0.5

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value53-305.0-854.0-214.02901351-52.065-3.0-159.0-89.097-571.0363
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.1-6.4-17.4-4.779.57.8-1.11.4-0.1-3.5-1.92.2-12.77.7

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
Value2424118-197.030-79.080152319402.03870345-64.0-81.00.09.0-5.06.0315217-39.01252-15.0-4.0-3.0-7.016-21.0-55.03421-1.038-21.011563532-996.07.05.0
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit us-gaap:Restatement

srt:ScenarioPreviouslyReported


Deferred
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value118-197.030-89.080152319
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0112.7100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

srt:RestatementAdjustment, us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate


Deferred
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.010.0-1.02.03.03.0
Percentage of DeferredIncomeTaxExpenseBenefit0.0-0.00.0-12.7-1.213.313.015.8

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value221224233215206203223205214208200204194204208219222221218205215212
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization us-gaap:StatementBusinessSegments

thc:AmbulatoryCare


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value232521212019171918
Percentage of DepreciationDepletionAndAmortization10.411.29.09.89.79.47.69.38.4

thc:ConiferSegment


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value10.09.09.010.09.09.0121111
Percentage of DepreciationDepletionAndAmortization4.54.03.94.74.44.45.45.45.1

thc:CoreServicesAndOtherSegment


Depreciation
Period End2020-09-302020-06-302019-09-302019-06-30
Value184177175185
Percentage of DepreciationDepletionAndAmortization85.685.985.486.4

thc:HospitalOperationsSegment


Depreciation
Period End2021-06-302021-03-312020-06-302020-03-31
Value188190177175
Percentage of DepreciationDepletionAndAmortization85.184.885.986.2

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value48538537-303.0-14.07336-20.01589823-53.066402373227446448431272453508345295484587372380557398217194251215203124326240155192278207160135242
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value245534446593223912952041928410.0250338348113491308215186-293.0269435147191482410-57.0219221266-19.0255206160-32.0256136243-42.0173148178-2.0175128191-22.0
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 RevenueFromContractWithCustomerExcludingAssessedTax4.911.29.113.061.42.910.89.26.20.25.47.57.72.49.96.24.23.9-5.65.28.32.73.59.58.5-1.24.55.06.6-0.57.87.96.6-1.311.06.110.7-1.810.66.37.5-0.17.65.78.3-0.9

us-gaap:NetCashProvidedByUsedInOperatingActivities us-gaap:Restatement

srt:ScenarioPreviouslyReported


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value446593223912952041928410.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.113.061.42.910.89.26.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value257222546-106.0169159129-152.01126510265108191-99.0-289.03236238039342.028-28.0768118-7.0-16.0-14.036-43.0-83.05432-20.067-66.0156382829403595
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.24.611.1-2.34.63.52.7-3.32.51.42.21.42.44.1-2.0-5.80.60.70.41.50.70.60.00.6-0.61.61.70.4-0.2-0.4-0.41.4-1.8-3.52.31.4-0.92.9-4.00.62.73.33.641.61.54.1

us-gaap:ProfitLoss us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value197165288167138109318156141
Percentage of ProfitLoss76.774.352.7-157.581.768.6246.5-102.6125.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.03.55.93.73.82.46.63.43.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees27.726.030.824.029.519.336.525.122.8

us-gaap:ProfitLoss us-gaap:Restatement

srt:ScenarioPreviouslyReported


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value546-106.0169128129-152.011265
Percentage of ProfitLoss100.0100.0100.080.5100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.1-2.34.62.82.7-3.32.51.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

srt:RestatementAdjustment, us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.031-5.06.09.07.0
Percentage of ProfitLoss0.0-0.00.019.5-3.9-3.98.010.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.7-0.10.10.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:RestatementAdjustment us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate0.00.00.00.00.00.00.00.0

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
Value16146.01114138.01112111214119.015151613171619161917181510.015141210.07.08.0118.07.09.08.07.05.05.07.04.05.06.07.0
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-50.0-145.0-1202.0-117.0-85.0-204.0-193.0-123.0-164.0-139.0-235.0-105.0-148.0373-206.0535-119.0-189.0-280.0-204.0-266.0320-45.0-287.0-798.0-187.0-408.0-338.0-285.0-291.0-1655.0-249.0-156.0-104.0-316.0-98.0-112.0-136.0-179.0-93.0-102.0-129.0-149.0-145.0-58.0-68.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.0-3.0-24.5-2.6-2.3-4.5-4.0-2.7-3.6-3.1-5.1-2.3-3.37.9-4.110.8-2.3-3.9-5.4-3.9-5.15.9-0.8-5.7-16.5-3.9-8.5-7.6-7.1-7.4-50.8-9.5-6.4-4.4-13.6-4.4-4.9-5.8-11.0-4.0-4.3-5.1-6.5-6.4-2.5-2.9

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value12212116686106182178156144192213136125143215144150198261201205208276207175184199211242281293142123133148
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment us-gaap:StatementBusinessSegments

thc:AmbulatoryCare


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value278.0191110.011181621
Percentage of PaymentsToAcquirePropertyPlantAndEquipment22.16.611.412.89.46.010.110.314.6

thc:ConiferSegment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value5.03.08.04.06.04.0115.05.0
Percentage of PaymentsToAcquirePropertyPlantAndEquipment4.12.54.84.75.72.26.23.23.5

thc:CoreServicesAndOtherSegment


Payments
Period End2020-09-302020-06-302019-09-302019-06-30
Value7190135118
Percentage of PaymentsToAcquirePropertyPlantAndEquipment82.684.986.581.9

thc:HospitalOperationsSegment


Payments
Period End2021-06-302021-03-312020-06-302020-03-31
Value9011090167
Percentage of PaymentsToAcquirePropertyPlantAndEquipment73.890.984.991.8

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments

us-gaap:PaymentsToAcquireInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value8.0113.0316.04.0371110.04.0
Percentage of PaymentsToAcquireInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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-142.0-694.0-98.0-690.0747426-379.0-231.0-123.0-30.0-104.0-136.0-771.0-123.0-103.0-889.0-193.0-141.0640-72.0-241.0-95.0-240.0-44.0502236182-89.0284338143135-9.0-133.0341-37.0-153.0169-66.0-134.0-79.0-7.0-19.0-296.0-11.0-11.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.9-14.5-2.0-15.120.59.4-7.9-5.1-2.7-0.7-2.3-3.0-17.1-2.6-2.1-18.0-3.7-2.912.3-1.4-4.6-1.8-4.4-0.910.44.93.8-2.07.08.643.91.3-0.4-5.614.6-1.7-6.87.2-4.0-5.7-3.3-0.3-0.8-13.1-0.5-0.5

Repayments Of Long Term Debt

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

us-gaap:RepaymentsOfLongTermDebt

thc:SevenPointZeroPercentSeniorUnsecuredNoteDue2025, us-gaap:SeniorNotes


Repayments
Period End2021-03-31
Value495
Percentage of RepaymentsOfLongTermDebt100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-312009-12-31
Value23.3823.3822.5120.6320.3120.2520.2420.5320.5220.5219.1219.0818.9918.7220.3520.320.9720.9322.8722.7922.7122.7522.8722.6523.5223.4324.4224.425.7826.4330.7931.2631.8631.5330.4925.0439.8842.32
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1342767753858140511911050939550586625
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1638909102912771997193119131610124613781534
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-06-302012-12-312011-12-312010-12-312009-12-312008-12-31
Value3131313131454635403843413235354678
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefits us-gaap:StatementOperatingActivitiesSegment

us-gaap:SegmentContinuingOperations


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-06-302012-12-312011-12-312010-12-312009-12-312008-12-31
Value3131454635403843403134343461
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.097.696.997.197.173.978.2

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5528114872729687107566166
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization

thc:AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization


Adjusted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value8347771278551732585805631657613684577634665840507570527613570617613613566568529646459460387444288336274336269288310288192275
Percentage of AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization us-gaap:StatementBusinessSegments

thc:AmbulatoryCare


Adjusted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302015-06-302014-06-30
Value2952573302151671563042072074926
Percentage of AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization35.433.125.839.022.826.737.832.831.58.65.7

thc:ConiferSegment


Adjusted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value908611196738794901034448363628323124
Percentage of AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization10.811.18.717.410.014.911.714.315.79.612.48.112.58.311.79.28.9

thc:CoreServicesAndOtherSegment


Adjusted
Period End2020-09-302020-06-302019-09-302019-06-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value240492342359416339408252308242305245263285271180266
Percentage of AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization43.667.254.254.690.487.691.987.591.788.390.891.191.391.994.193.896.7

thc:HospitalOperationsSegment


Adjusted
Period End2021-06-302021-03-312020-06-302020-03-31
Value449434492342
Percentage of AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization53.855.967.258.5

thc:AdjustmentsToAdditionalPaidInCapitalPurchaseSaleOfJointVentureInterest

thc:AdjustmentsToAdditionalPaidInCapitalPurchaseSaleOfJointVentureInterest


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312014-12-31
Value3.0-9.0620.0-15.01.05.00.03943-6.00.0
Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseSaleOfJointVentureInterest100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0

thc:AdjustmentsToAdditionalPaidInCapitalPurchaseSaleOfJointVentureInterest us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312014-12-31
Value3.0-10.058-2.0-30.0-5.00.0-2.03.0-2.0-4.00.0
Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseSaleOfJointVentureInterest100.0111.193.50.0200.0-500.00.00.07.7-4.766.70.0

us-gaap:NoncontrollingInterest


Adjustments
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312014-12-31
Value1.04.02.0156.05.02.03645-2.00.0
Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseSaleOfJointVentureInterest-11.16.50.0-100.0600.0100.00.092.3104.733.30.0

thc:BusinessCombinationAcquisitionRelatedTransactionCosts us-gaap:BusinessAcquisition

thc:BusinessCombinationAcquisitionRelatedTransactionCosts

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.04.0112.00.01.02.01.01.02.02.03.03.02.0
Percentage of BusinessCombinationAcquisitionRelatedTransactionCosts100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:ContractWithCustomerAssetNetCurrentPeriodIncreaseDecrease us-gaap:StatementBusinessSegments

thc:ContractWithCustomerAssetNetCurrentPeriodIncreaseDecrease

thc:ConiferSegment


Contract
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value271.05.0-3.0-60.0-10.06.048-47.0-1.0-9.010.0-3.0-7.045
Percentage of ContractWithCustomerAssetNetCurrentPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:EffectOfDilutiveStockOptionsRestrictedStockUnitsAndMandatoryConvertiblePreferredStockPerShareAmount

thc:EffectOfDilutiveStockOptionsRestrictedStockUnitsAndMandatoryConvertiblePreferredStockPerShareAmount


Effect
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-0.01-0.01-0.01-0.0100-0.010000-0.020000000-0.01000-0.0100-0.03-0.010-0.010.0100-0.01-0.01-0.240
Percentage of EffectOfDilutiveStockOptionsRestrictedStockUnitsAndMandatoryConvertiblePreferredStockPerShareAmount100.0100.0100.0100.00.00.0100.00.00.00.00.0100.00.00.00.00.00.00.00.0100.00.00.00.0100.00.00.0100.0100.00.0100.0100.00.00.0100.0100.0100.00.0

thc:FinanceLeaseLiabilityIncurred

thc:FinanceLeaseLiabilityIncurred


Finance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value322815503322365544
Percentage of FinanceLeaseLiabilityIncurred100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:FinanceLeaseRightOfUseAssetsAcquired

thc:FinanceLeaseRightOfUseAssetsAcquired


Finance
Period End2021-06-302021-03-312020-06-302020-03-31
Value29112815
Percentage of FinanceLeaseRightOfUseAssetsAcquired100.0100.0100.0100.0

thc:IncomeTaxExpenseBenefitCARESAct

thc:IncomeTaxExpenseBenefitCARESAct


Income
Period End2020-12-312020-09-302020-06-302020-03-31
Value003000000.0-91000000.0
Percentage of IncomeTaxExpenseBenefitCARESAct0.00.0100.0100.0

thc:IncreaseDecreaseInInventoriesAndOtherAssetsCurrent

thc:IncreaseDecreaseInInventoriesAndOtherAssetsCurrent


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
Value74-130.017514-21.0-23.0-4.034-51.01155671-185.04113263-28.0-132.0-12.06512186898-110.07432666-138.060-29.0-7.012244-47.0-10.010610.02.0-22.0-55.011319-10.011-3.0
Percentage of IncreaseDecreaseInInventoriesAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:NetGainonSaleConsolidationAndDeconsolidationOfFacilities

thc:NetGainonSaleConsolidationAndDeconsolidationOfFacilities


Net
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1510.01.01.02.0-12.0-1.0-1.0-1.016-7.08.0110
Percentage of NetGainonSaleConsolidationAndDeconsolidationOfFacilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:NetIncomeLossAttributableToInvestee us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

thc:NetIncomeLossAttributableToInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value11510218410183692099787
Percentage of NetIncomeLossAttributableToInvestee100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:NumberOfHealthcareFacilities

thc:NumberOfHealthcareFacilities


Number
Period End2021-03-312020-12-31
Value540.030.0
Percentage of NumberOfHealthcareFacilities100.0100.0

thc:NumberOfHospitalsToWhichSegmentOfTheEntityProvidesRevenueCycleServices us-gaap:Range, us-gaap:StatementBusinessSegments

thc:NumberOfHospitalsToWhichSegmentOfTheEntityProvidesRevenueCycleServices

srt:Minimum, thc:ConiferSegment


Number
Period End2021-06-302021-03-312020-12-31
Value0640.0-10.0
Percentage of NumberOfHospitalsToWhichSegmentOfTheEntityProvidesRevenueCycleServices0.0100.0100.0

thc:OperatingLeaseLiabilityIncurred

thc:OperatingLeaseLiabilityIncurred


Operating
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value4734546911128
Percentage of OperatingLeaseLiabilityIncurred100.0100.0100.0100.0100.0100.0

thc:OperatingLeaseRightOfUseAssetsAcquired

thc:OperatingLeaseRightOfUseAssetsAcquired


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value50463454
Percentage of OperatingLeaseRightOfUseAssetsAcquired100.0100.0100.0100.0

thc:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAmortizationOfNetActuarialGainLossArisingDuringPeriodBeforeTax

thc:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAmortizationOfNetActuarialGainLossArisingDuringPeriodBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-30
Value3.03.03.02.02.02.01.03.03.03.03.03.04.04.02.04.04.04.04.05.03.04.03.02.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAmortizationOfNetActuarialGainLossArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:PaymentsForRestructuringAndLitigationCosts

thc:PaymentsForRestructuringAndLitigationCosts


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
Value345181138466856564832505030333726382455933306943715333533154307817127.07.06.03911176.0147.07.0252724
Percentage of PaymentsForRestructuringAndLitigationCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:ProceedsFromGovernmentAssistance

thc:ProceedsFromGovernmentAssistance


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value4.05984178712
Percentage of ProceedsFromGovernmentAssistance100.0100.0100.0100.0100.0

thc:ProceedsFromGovernmentAssistance us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Proceeds
Period End2021-06-302021-03-312020-06-30
Value-1.02838
Percentage of ProceedsFromGovernmentAssistance-25.047.55.3

thc:ProceedsFromSaleOfMarketableSecuritiesLongTermInvestmentsAndOtherAssets

thc:ProceedsFromSaleOfMarketableSecuritiesLongTermInvestmentsAndOtherAssets


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
Value126.0159.02510.030435.04.034229.0134164.07.09.026121212429.03.06.029-1.00.03.09.03.00.03.08.04.02.03.028215.05.053154.012
Percentage of ProceedsFromSaleOfMarketableSecuritiesLongTermInvestmentsAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:RestructuringSettlementImpairmentProvisionsAndAcquisitionCost

thc:RestructuringSettlementImpairmentProvisionsAndAcquisitionCost


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value20201245754558446361986463047138329413312131222852441932963373221582011147.06.03.0
Percentage of RestructuringSettlementImpairmentProvisionsAndAcquisitionCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:RevenueFromContractWithCustomerExcludingAssessedTaxPercentageOfTotal us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

thc:RevenueFromContractWithCustomerExcludingAssessedTaxPercentageOfTotal

thc:HealthCareOtherSources, thc:ConiferSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value07.00007.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTaxPercentageOfTotal0.0100.00.00.00.0100.0

thc:SegmentReportingTransferOfAssetsPercentageOfTotalAssets us-gaap:CounterpartyName, us-gaap:StatementBusinessSegments

thc:SegmentReportingTransferOfAssetsPercentageOfTotalAssets

thc:UnitedSurgicalPartnersInternational, thc:HospitalOperationsSegment


Segment
Period End2021-03-31
Value1.0
Percentage of SegmentReportingTransferOfAssetsPercentageOfTotalAssets100.0

thc:SharesIssuedAndShareBasedCompensationExpenseValueShareBasedPaymentArrangementAfterForfeiture

thc:SharesIssuedAndShareBasedCompensationExpenseValueShareBasedPaymentArrangementAfterForfeiture


Shares
Period End2021-06-302021-03-312020-06-302020-03-31
Value15121610.0
Percentage of SharesIssuedAndShareBasedCompensationExpenseValueShareBasedPaymentArrangementAfterForfeiture100.0100.0100.0100.0

thc:SharesIssuedAndShareBasedCompensationExpenseValueShareBasedPaymentArrangementAfterForfeiture us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Shares
Period End2021-06-302021-03-312020-06-302020-03-31
Value1410.01610.0
Percentage of SharesIssuedAndShareBasedCompensationExpenseValueShareBasedPaymentArrangementAfterForfeiture93.383.3100.0100.0

us-gaap:CommonStock


Shares
Period End2021-03-31
Value1.0
Percentage of SharesIssuedAndShareBasedCompensationExpenseValueShareBasedPaymentArrangementAfterForfeiture8.3

us-gaap:AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock

us-gaap:AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4.03.01.02.01.04.04.05.06.012337
Percentage of AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4.03.01.02.01.04.04.05.06.012337
Percentage of AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value8.09.08.010.010.010.010.04.010.01112111111111111118.0121110.09.011147.07.07.07.07.07.03.04.05.06.05.06.05.07.08.07.08.08.08.0
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value843.0352.04.01.0486.04.01976309161.07.06.03.02.08.02.0
Percentage of AssetImpairmentCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges us-gaap:StatementBusinessSegments

thc:AmbulatoryCareSegment


Asset
Period End2020-09-30
Value0.0
Percentage of AssetImpairmentCharges0.0

thc:ConiferSegment


Asset
Period End2020-12-31
Value0.0
Percentage of AssetImpairmentCharges0.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts

us-gaap:BusinessCombinationAcquisitionRelatedCosts


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1.04.0112.00.01.02.01.01.02.05.05.04.03.06.03.05.08.0121214141724392044251610.036136.04.0
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:CounterpartyName

us-gaap:BusinessCombinationConsiderationTransferred1

thc:UnitedSurgicalPartnersInternational


Business
Period End2020-12-312015-06-16
Value1115226
Percentage of BusinessCombinationConsiderationTransferred1100.0100.0

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred us-gaap:CounterpartyName

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

thc:UnitedSurgicalPartnersInternational


Business
Period End2020-12-312015-06-162015-06-15
Value1815001500
Percentage of BusinessCombinationConsiderationTransferredLiabilitiesIncurred100.0100.0100.0

us-gaap:BusinessExitCosts1

us-gaap:BusinessExitCosts1


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-31
Value-1.0140.01.03.01.01.01.07.05.04.01.07.01.01.06.010.03.00.01.04.011131.0
Percentage of BusinessExitCosts1100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value8.04250-2.0-20.06567-11.0-4.0844910.04.07228-3.0-4.0965614-1.0110324.08.08937-1.01.01131308.04.051507.0-10.051
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid us-gaap:BalanceSheetLocation

us-gaap:AccountsPayable


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value8.036521.0-17.04969-3.0-7.060536.03.052220.02.05563123.063352.06.05250
Percentage of CapitalExpendituresIncurredButNotYetPaid100.085.7104.0-50.085.075.4103.027.3175.071.4108.260.075.072.278.6-0.0-50.057.3112.585.7-300.057.3109.450.075.058.4135.1

us-gaap:CapitalizedContractCostAmortization

us-gaap:CapitalizedContractCostAmortization


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.01.00.02.01.01.01.02.01.01.02.03.03.03.03.03.02.02.0
Percentage of CapitalizedContractCostAmortization100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.0-1.00.00.0-1.01.0-3.0-2.0-1.0-1.0-2.0-1.0-2.0-1.0-4.02.0-7.01.03.0-3.0-3.0-10.0-4.0-4.0-7.0-4.02.0-14.0-10.02.0-2.0-5.0-16.03.0-3.0-19.0-6.0-22.0-6.0-13.02.0-7.03.02.0
Percentage of CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations0.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:CounterpartyName, us-gaap:ConcentrationRiskByBenchmark, us-gaap:StatementBusinessSegments

us-gaap:ConcentrationRiskPercentage1

thc:UnitedSurgicalPartnersInternational, us-gaap:AssetsTotal, thc:HospitalOperationsSegment


Concentration
Period End2021-03-31
Value1.0
Percentage of ConcentrationRiskPercentage1100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized us-gaap:StatementBusinessSegments

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

thc:ConiferSegment


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value6.0490.05.02.0544.01.07.0494.02.06.06010.02.060
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:IncomeStatementLocation

us-gaap:DefinedBenefitPlanServiceCost

thc:SalariesWagesAndBenefits


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value01000000.0001000000.0001000000.01000000.001000000.0001000000.0001000000.0
Percentage of DefinedBenefitPlanServiceCost0.0100.00.00.0100.00.00.0100.0100.00.0100.00.00.0100.00.00.0100.0

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax


Discontinued
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.01.00.0-1.02.01.02.010.01.00.02.01.01.0-1.02.0-2.0-1.02.0-2.0-5.0-1.0-1.0-2.0-1.00.0-2.0-7.0-8.00.0-8.06.0-3.0-9.04.01.01.0-2.0-2.0-3.0-15.015-4.0-5.05.0
Percentage of DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfBusiness us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:GainLossOnSaleOfBusiness

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, thc:ChicagoFacilities


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value0.00.01.0-6.0-8.00.01.0-7.0-17.0
Percentage of GainLossOnSaleOfBusiness0.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:GainLossOnSaleOfProperties us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:GainLossOnSaleOfProperties

thc:PhiladelphiaBuilding


Gain
Period End2021-06-30
Value2.0
Percentage of GainLossOnSaleOfProperties100.0

thc:UrgentCareCenters


Gain
Period End2021-06-30
Value14
Percentage of GainLossOnSaleOfProperties700.0

us-gaap:GainLossRelatedToLitigationSettlement

us-gaap:GainLossRelatedToLitigationSettlement


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-22.0-13.0-31.0-9.0-2.0-2.0-26.0-84.0-18.0-13.0-10.0-9.0-13.0-6.0-11.0-6.0-1.0-5.0-2.0-4.0-114.0-173.0-224.0-50.0-14.0-3.0-6.0-4.0-12.0-3.0-28.0-1.0-2.00.0-2.00.0-1.0-2.0-31.0-5.0-8.0-11.0-6.0-2.0-2.0-2.0
Percentage of GainLossRelatedToLitigationSettlement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossRelatedToLitigationSettlement us-gaap:LitigationStatus

us-gaap:PendingLitigation


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-22.0-13.0-31.0-9.0-2.0-2.0-26.0-84.0-18.0-13.0-10.0-9.0-13.0-6.0-11.0-6.0-1.0-5.0-2.0-4.0
Percentage of GainLossRelatedToLitigationSettlement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HealthCareOrganizationHealthCareCostsGross

us-gaap:HealthCareOrganizationHealthCareCostsGross


Health
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value187188185195188196213212205192196200187181193193193190190194180
Percentage of HealthCareOrganizationHealthCareCostsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HealthCareOrganizationHealthCareCostsGross us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

thc:CharityCarePatients


Health
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2920343043404041413433282835292933303737314468503736434255406332313228413233293331303036
Percentage of HealthCareOrganizationHealthCareCostsGross15.510.618.415.422.920.418.819.320.017.716.814.015.019.315.015.017.115.819.519.117.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

thc:SelfPayPatients


Health
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value15816815116514515617117116415812210410610911411110810594969297
Percentage of HealthCareOrganizationHealthCareCostsGross84.589.481.684.677.179.680.380.780.082.30.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax


Income
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.01.00.0-1.00.01.02.08.00.00.02.01.01.0-1.01.0-1.00.01.0-2.0-4.03.0-1.0-1.01.00.0-1.0-16.0-5.0-7.0-5.03.0-2.0-8.0-1.0-68.01.0-10.0-2.015-9.0220.0-10.05.0
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTax100.0100.00.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity


Income
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.01.00.0-1.00.01.02.08.00.00.02.01.01.0-1.01.0-1.00.01.0-2.0-4.03.0-1.0-1.01.00.0-1.0-16.0-5.0-7.0-5.03.0-2.0-7.010.0-48.01.0-10.0-2.015-9.0220.0-10.05.0
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity100.0100.00.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare


Income
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.010.010-0.0100.010.020.08000.020.010.01-0.010.01-0.0100.01-0.02-0.040.03-0.01-0.010.010-0.01-0.16-0.05-0.07-0.050.03-0.02-0.060.09-0.110-0.0200.03-0.020.040-0.020.01
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare100.0100.00.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare


Income
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.010.010-0.0100.010.020.08000.020.010.01-0.010.01-0.0100.01-0.02-0.040.03-0.01-0.010.010.01-0.01-0.16-0.05-0.07-0.050.03-0.02-0.050.09-0.110-0.0200.03-0.020.040-0.020.01
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare100.0100.00.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value54429.0443128613842345333392549382829463130245128164.03.04.04.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:StatementBusinessSegments

thc:AmbulatoryCare


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value493861413526583734
Percentage of IncomeLossFromEquityMethodInvestments90.790.5677.893.2112.992.995.197.481.0

thc:CoreServicesAndOtherSegment


Income
Period End2020-09-302020-06-302019-09-302019-06-30
Value3.0-4.01.08.0
Percentage of IncomeLossFromEquityMethodInvestments6.8-12.92.619.0

thc:HospitalOperationsSegment


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value5.04.0-4.02.0
Percentage of IncomeLossFromEquityMethodInvestments9.39.5-12.97.1

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value18-28.026-28.02811264.05.0-3.0211.0-1.0-9.0148.00.0-4.0158.0
Percentage of IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax us-gaap:DisposalGroupClassification

us-gaap:IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations


Income
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value162.01.0-3.0-10.0-1.02.0-10.0-1.0-22.0-8.079
Percentage of IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-5.0235.0-1.04.03.02.0
Percentage of IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax-250.02300.0-166.710.0-400.0150.0-20.0

us-gaap:IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, thc:ChicagoFacilities


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.01.0-3.0-8.00.01.0-12.0-16.0-10.01.0-16.0
Percentage of IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax100.0100.0100.080.0-0.050.0120.01600.045.5-12.5-20.3

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, thc:MiamiArea


Income
Period End2021-06-302020-06-30
Value169.0
Percentage of IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax100.0900.0

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations, thc:MemphisArea


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-5.0235.0-1.04.03.02.0
Percentage of IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax-250.02300.0-166.710.0-400.0150.0-20.0

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-25.0-113.02.0-90.045531124222418125.0-5.00.00.0-25.00.0
Percentage of IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0

us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate

us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value6756142-64.0451845-28.029163315315579-122.07.01.010.0319.0372314
Percentage of IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationMinorityInterestIncomeExpense

us-gaap:IncomeTaxReconciliationMinorityInterestIncomeExpense


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value282527181614261719172115161834252826312826212611
Percentage of IncomeTaxReconciliationMinorityInterestIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationNondeductibleExpense

us-gaap:IncomeTaxReconciliationNondeductibleExpense


Income
Period End2021-06-30
Value7000000.0
Percentage of IncomeTaxReconciliationNondeductibleExpense100.0

us-gaap:IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost

us-gaap:IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-2.0-1.0-3.01.00.00.00.04.01.0-1.01.00.00.04.06.00.01.08.00.00.00.0
Percentage of IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost100.0100.0100.0100.00.00.00.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.00.00.00.0

us-gaap:IncomeTaxReconciliationOtherAdjustments

us-gaap:IncomeTaxReconciliationOtherAdjustments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value3.02.00.03.04.03.01.07.02.0-7.03.0-3.02.02.0-4.011-4.0-7.0-6.02.00.03.0-6.04.0
Percentage of IncomeTaxReconciliationOtherAdjustments100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes

us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value141324-6.010.05.014-3.06.03.03.03.07.010.0-9.08.012-7.06.03.0-6.0137.04.0
Percentage of IncomeTaxReconciliationStateAndLocalIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationTaxExemptIncome

us-gaap:IncomeTaxReconciliationTaxExemptIncome


Income
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-30
Value0.00.0-3.00.00.01.00.00.00.00.00.00.00.0-7.01.00.0
Percentage of IncomeTaxReconciliationTaxExemptIncome0.00.0100.00.00.0100.00.00.00.00.00.00.00.0100.0100.00.0

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-145.0-87.0-244.03371353-144.073180-108.0-109.042177-188.0-183.0131204-184.0-161.0-16.0718.0-114.029306-67.0-200.0385152-61.029822173-138.032-46.0133-110.06320-74.0-44.06218-18.0-146.0
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:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities us-gaap:Restatement

srt:ScenarioPreviouslyReported


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-244.03371353-103.073180-108.0-109.0
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.071.5100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

srt:RestatementAdjustment, us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.0-41.06.0-8.0-12.0-10.0
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities-0.00.00.028.58.2-4.411.19.2

us-gaap:IncreaseDecreaseInContractWithCustomerAsset us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInContractWithCustomerAsset

thc:ConiferSegment


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.0-6.07.01.05.0-4.00.0-4.04.00.00.00.01.00.0
Percentage of IncreaseDecreaseInContractWithCustomerAsset100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.0100.00.0

thc:HospitalOperationsAndOther


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value-10.0-28.0-5.025-19.03.0
Percentage of IncreaseDecreaseInContractWithCustomerAsset-1000.0466.7-500.0500.0475.0-75.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability us-gaap:ContractWithCustomerDuration, us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:LongTermContractWithCustomer, thc:AmbulatoryCare


Increase
Period End2021-06-302021-03-31
Value-10.0-39.0
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0

us-gaap:LongTermContractWithCustomer, thc:ConiferSegment


Increase
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
Value-1.00.00.0-1.0-1.00.0-1.00.0-1.00.0-8.08.0
Percentage of IncreaseDecreaseInContractWithCustomerLiability0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermContractWithCustomer, thc:HospitalOperationsAndOther


Increase
Period End2021-06-302021-03-31
Value-294.0-224.0
Percentage of IncreaseDecreaseInContractWithCustomerLiability2940.0574.4

us-gaap:ShortTermContractWithCustomer, thc:AmbulatoryCare


Increase
Period End2021-06-302021-03-31
Value-17.030
Percentage of IncreaseDecreaseInContractWithCustomerLiability170.0-76.9

us-gaap:ShortTermContractWithCustomer, thc:ConiferSegment


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-2.04.0-2.0-5.02.00.0-11.05.03.03.0-13.0-4.00.0-2.0
Percentage of IncreaseDecreaseInContractWithCustomerLiability20.0-10.30.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShortTermContractWithCustomer, thc:HospitalOperationsAndOther


Increase
Period End2021-06-302021-03-31
Value157224
Percentage of IncreaseDecreaseInContractWithCustomerLiability-1570.0-574.4

us-gaap:IncreaseDecreaseInContractWithCustomerLiability us-gaap:StatementBusinessSegments

thc:AmbulatoryCare


Increase
Period End2020-09-30
Value5.0
Percentage of IncreaseDecreaseInContractWithCustomerLiability0.0

thc:HospitalOperationsAndOther


Increase
Period End2020-09-30
Value4.0
Percentage of IncreaseDecreaseInContractWithCustomerLiability0.0

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable


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-6.0-19.0-10.05.0-12.0-2.0-12.02.011-9.0-11.0-4.0180.0247.0-27.0347.0-16.045-28.0-23.014-1.0-8.0-10.0-10.0152.0-5.01.07.0-3.03.0-3.08.0-3.0191812143710.0-33.0-17.0
Percentage of IncreaseDecreaseInIncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


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-12.06.016115141-51.018-19.0-33.037-20.0-34.0-49.01.019-41.02226-8.01410.0247.0-9.012286.0-9.0341318-10.0-22.027-17.0-6.010.0165.0-19.0-4.012-35.0-5.09.0-27.0
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value1747000.01756000.0784000.01380000.0001431000.00-51000.002030000.01264000.000000002173000.02890000.02123000.01984000.02204000.02326000.02239000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.00.00.0100.00.0100.00.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value22802201222521421864218722292174214821532156211621352227228422642346238023242314231624022443225821852125211820281956192118721172116611611091105010541078102910199991035967977969987
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense us-gaap:Restatement

srt:ScenarioPreviouslyReported


Labor
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value22252142186421942229217421482153
Percentage of LaborAndRelatedExpense100.0100.0100.0100.3100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

srt:RestatementAdjustment, us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate


Labor
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.0-7.01.0-2.0-3.0-2.0
Percentage of LaborAndRelatedExpense0.00.00.0-0.30.0-0.1-0.1-0.1

us-gaap:LossContingencyAccrualPayments

us-gaap:LossContingencyAccrualPayments


Loss
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value1415802.02.0
Percentage of LossContingencyAccrualPayments100.0100.0100.0100.0100.0

us-gaap:MalpracticeLossContingencyClaimsIncurredNet us-gaap:IncomeStatementLocation

us-gaap:MalpracticeLossContingencyClaimsIncurredNet

us-gaap:OtherOperatingIncomeExpense


Malpractice
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value8891878971736190841211321048083589770697193555889437849
Percentage of MalpracticeLossContingencyClaimsIncurredNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestDecreaseFromRedemptions us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromRedemptions

thc:RedeemableNoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value36-14.0-454.087-3.0-21.0-4.0-7.0-6.0-4.051-12.0636-8.0-8.0-9.0699-11.0-62.0-3.0-47.0635342375-937.0-214.00.0
Percentage of MinorityInterestDecreaseFromRedemptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value177141-148.0123125-187.064183168130-183.0-339.0-20.0-17.0-37.0263.0-46.0-78.0-16.0-49.0557216-18.0-27.0-16.0
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents

thc:AmbulatoryCare, us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value5340634432305942423550384029442832303931451216
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest29.928.40.0-29.726.024.00.0-22.565.6194.40.0122.658.822.3-24.0-8.3-160.0-176.5-105.4119.21500.0-26.1-20.5

thc:CoreServicesAndOtherSegment, us-gaap:NoncontrollingInterest


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value4.03.02.06.03.05.02.02.02.02.02.02.00.03.06.03.03.04.01.03.0
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest-2.72.41.60.0-1.67.811.10.06.52.91.5-1.1-0.0-15.0-35.3-8.111.5133.3-2.2-3.8

thc:HospitalOperationsSegment, us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value5.04.03.02.0
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest2.82.82.41.6

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value584448353245473740423146283536423449131913128.0117.08.05.08.0
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest32.831.2-32.428.525.6-24.173.4205.6129.061.823.8-25.1-8.3-175.0-211.8-113.5130.81633.3-28.3-24.4-81.2-24.514.515.343.8-44.4-18.5-50.0

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value11997-196.08893-232.017-19.0-9.02699-229.0-367.0-55.0-53.0-79.0-8.0-46.0-59.0-97.0-29.0-61.047619.0-26.0-32.0-24.0
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest67.268.8132.471.574.4124.126.6-105.6-29.038.276.2125.1108.3275.0311.8213.5-30.8-1533.3128.3124.4181.2124.585.584.756.2144.4118.5150.0

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent us-gaap:IncomeStatementLocation

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent

us-gaap:OtherNonoperatingIncomeExpense


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-2.0-1.02.02.02.05.06.05.04.04.04.06.0
Percentage of NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3.03.0-38.02.02.03.0-51.03.03.03.0-27.040-5.010.04611119.0-79.04.0-42.05.08.04.02.04.0-257.00.05.01.0690.00.00.0-28.00.00.03.0
Percentage of OtherComprehensiveIncomeLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.00.0100.00.00.0100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-2.04.0-8.0-2.01.02.0-10.00.01.01.0-6.0-1.0-1.02.0127.0-2.06.0-21.01.01.01.0-1.00.00.01.0-95.00.02.00.0250.00.00.0-9.00.00.00.0-6.00.00.0
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.00.0100.00.00.00.0100.00.00.00.0100.00.00.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value0001000000.00000001000000.02000000.01000000.02000000.0-1000000.02000000.0-2000000.03000000.0-1000000.0-2000000.001000000.01000000.0-1000000.03000000.00000000
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax0.00.00.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.00.00.00.00.00.00.0

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherCostAndExpenseOperating


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1054107210711058983101310291042104410741078109410271060110411201159118712051231121312421230115110811093104810321035999991575567568543539534553519547528506468505498467
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCostAndExpenseOperating us-gaap:Restatement

srt:ScenarioPreviouslyReported


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1071105898310471030104210441073
Percentage of OtherCostAndExpenseOperating100.0100.0100.0103.4100.1100.0100.099.9

us-gaap:OtherCostAndExpenseOperating us-gaap:Restatement, us-gaap:ChangeInAccountingEstimateByType

srt:RestatementAdjustment, us-gaap:ChangeInAccountingMethodAccountedForAsChangeInEstimate


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.0-34.05.0-6.0-9.0-8.0
Percentage of OtherCostAndExpenseOperating0.00.00.0-3.40.5-0.6-0.9-0.7

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
Value157.0251.05.0-2.01.04.03.07.0-1.0210.01.0-1.0-6.0232.0-2.01.04.0-2.0-85.01.0178.0247.06.03.0141.08.010.05.03.00.04.027-7.0-18.0134.0-1.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherRestructuringCosts

us-gaap:OtherRestructuringCosts


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value6.06.08.07.0125.0-3.022198.05.09.09.07.07.06.05.02.05.07.01.01.01.01.01.03.01.0135.0
Percentage of OtherRestructuringCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value12-1.0-1.01.00.0-18.0-11.04.03.04.011-4.04.04.01.0-4.09.01.06.0-1.0-2.09.02.0-3.00.00.00.0-1.00.0-2.03.04.00.0-2.02.00.01.00.01.0-1.01.0-3.0
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.0100.0100.0100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value0.026211.07.0450.0180.00.00.00.00.033272.0111.04.04.0684.01.07.08.0111231.01515141.02.00.0210.012
Percentage of PaymentsOfDebtIssuanceCosts0.0100.0100.0100.0100.0100.00.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0

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
Value9311910384247684797074717776648055606367565144454212111510.09.0119.08.04.06.06.03.03.03.02.04.02.02.02.03.02.01.0
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:PaymentsToAcquireBusinessesGross us-gaap:CounterpartyName

us-gaap:PaymentsToAcquireBusinessesGross

thc:UnitedSurgicalPartnersInternational


Payments
Period End2020-12-31
Value1097
Percentage of PaymentsToAcquireBusinessesGross100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value392511165.01.0552.010.0112.0168.073169.015206.0212.065292208462511243143339.01373126115.0
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireOtherProductiveAssets

us-gaap:PaymentsToAcquireOtherProductiveAssets


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value8.0-3.04.0-2.02.02.02.0
Percentage of PaymentsToAcquireOtherProductiveAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToMinorityShareholders

us-gaap:PaymentsToMinorityShareholders


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3.02.05.0340.00.03.02.03.03.04.01.06339.07.07175.00.06.03.0
Percentage of PaymentsToMinorityShareholders100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ProceedsFromContributionsFromAffiliates

us-gaap:ProceedsFromContributionsFromAffiliates


Proceeds
Period End2021-06-302021-03-31
Value-13.019
Percentage of ProceedsFromContributionsFromAffiliates100.0100.0

us-gaap:ProceedsFromDivestitureOfBusinesses

us-gaap:ProceedsFromDivestitureOfBusinesses


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value11113641.01.011194.0-1.0414517564251.075254200.00.00.05735212.05.010.00.0350.00.00.01.0
Percentage of ProceedsFromDivestitureOfBusinesses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.00.0100.00.00.00.0100.0

us-gaap:ProceedsFromDivestitureOfBusinesses us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Proceeds
Period End2021-04-30
Value80
Percentage of ProceedsFromDivestitureOfBusinesses0.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2.07.010.08.03.02.08.01.02.01.01.01.05.09.02.02.01.02.00.01.0
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromLongTermLinesOfCredit


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
Value0.00.00.07404858706006854451453600.01207501000.07000.02009958255753758206856654654304805584332201404604356584450.0
Percentage of ProceedsFromLongTermLinesOfCredit0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ProceedsFromOtherDebt

us-gaap:ProceedsFromOtherDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value14054.03.0250313057.01.042029.01507
Percentage of ProceedsFromOtherDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value40-68.0-148.0-44.0162402217-18.0-17.03010.0-6.02013183.0-5.07.0158.0-14.046-3.00.01.02.00.013-6.0-4.02.09.02.04.05.00.02.02.02.01.02.02.02.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfInterestInCorporateUnit

us-gaap:ProceedsFromSaleOfInterestInCorporateUnit


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-30
Value6.06.07.02.03.02.06.06.05.04.06.07.02.05.02.0154.010.03.04.07.01.0
Percentage of ProceedsFromSaleOfInterestInCorporateUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyHeldForSale us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:SubsequentEventType

us-gaap:ProceedsFromSaleOfPropertyHeldForSale

thc:PhiladelphiaArea, us-gaap:SubsequentEvent


Proceeds
Period End2021-04-30
Value16
Percentage of ProceedsFromSaleOfPropertyHeldForSale100.0

us-gaap:RepaymentsOfDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:RepaymentsOfDebt

thc:DebtInstrument8.125PercentSeniorNotesDue2022, us-gaap:SeniorNotes


Repayments
Period End2020-09-162020-08-312020-06-30
Value2843114142
Percentage of RepaymentsOfDebt100.0100.0100.0

thc:EightPointOneTwoFivePercentSeniorUnsecuredNoteDue2022, us-gaap:SeniorNotes


Repayments
Period End2020-09-162020-08-312020-06-30
Value2843114142
Percentage of RepaymentsOfDebt100.0100.0100.0

us-gaap:RepaymentsOfLongTermLinesOfCredit

us-gaap:RepaymentsOfLongTermLinesOfCredit


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.00.05002407607856004954451453600.01207501000.07000.02009959355656256904656656356652853814202003154855184553650.0
Percentage of RepaymentsOfLongTermLinesOfCredit0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RepaymentsOfOtherDebt

us-gaap:RepaymentsOfOtherDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value147154149301518148474416481620
Percentage of RepaymentsOfOtherDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfSecuredDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:RepaymentsOfSecuredDebt

thc:FivePointOneTwoFivePercentSeniorSecuredNoteDue2025, us-gaap:SeniorNotes


Repayments
Period End2021-06-02
Value1428
Percentage of RepaymentsOfSecuredDebt100.0

us-gaap:RestructuringCharges us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringCharges

thc:GlobalBusinessCenterInTheRepublicOfPhilippines


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value6.06.010.01510.015
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0

thc:USPIManagementEquityPlan


Restructuring
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.023
Percentage of RestructuringCharges0.00.00.0153.3

us-gaap:RestructuringCosts

us-gaap:RestructuringCosts


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value181629524954474331163335222556172024
Percentage of RestructuringCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueNotFromContractWithCustomer

us-gaap:RevenueNotFromContractWithCustomer


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value1931446-66.05110.0
Percentage of RevenueNotFromContractWithCustomer100.0100.0100.0100.0100.00.0

us-gaap:RevenueNotFromContractWithCustomer us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:StatementBusinessSegments

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees, thc:AmbulatoryCare


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value5.06.09.0-4.012
Percentage of RevenueNotFromContractWithCustomer26.319.42.06.12.3

us-gaap:RevenueNotFromContractWithCustomer us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:Grant, thc:AmbulatoryCare


Revenue
Period End2021-06-302021-03-31
Value157.0
Percentage of RevenueNotFromContractWithCustomer78.922.6

us-gaap:RevenueNotFromContractWithCustomer us-gaap:StatementBusinessSegments

thc:AmbulatoryCare


Revenue
Period End2020-12-312020-09-302020-06-30
Value23-13.049
Percentage of RevenueNotFromContractWithCustomer5.219.79.6

thc:HospitalOperationsSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value4.024406-57.0474
Percentage of RevenueNotFromContractWithCustomer21.177.491.086.492.8

us-gaap:SeveranceCosts1

us-gaap:SeveranceCosts1


Severance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value6.04.012162710.01920117.021219.0174210.014169.09.07.010.09.08.02.06.02.05.03.06.05.04.03.02.04.0
Percentage of SeveranceCosts1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value4.5527.74-0.87
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:PlanName

thc:USPIManagementEquityPlan


Share
Period End2021-06-302021-03-31
Value034.13
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.0123.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value-0.3254.940.11
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value3.6626.120.09
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:PlanName

thc:USPIManagementEquityPlan


Share
Period End2021-06-302021-03-31
Value034.13
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.0130.7

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-03-312020-06-302020-03-31
Value71.76-0.0454.74
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-03-312020-06-302020-03-31
Value0.220.041.16
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.010.0122.00.01.02.00.00.01.00.01.02.01.00.00.00.01.00.00.00.01.00.06.01.01.00.09.02.02.01.01.05.011504.08.09.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue0.0100.0100.0100.00.0100.0100.00.00.0100.00.0100.0100.0100.00.00.00.0100.00.00.00.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value2.68
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-31
Value020.68-1.06
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice0.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage us-gaap:Range, us-gaap:AwardType, us-gaap:Vesting

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

srt:Maximum, us-gaap:RestrictedStockUnitsRSU, thc:PerformanceBasedVesting


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-312018-09-30
Value0200.00198.002.000
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.0100.00.0100.00.0100.00.00.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value180000.0617000.0505000.0374000.0331000.0436000.0256000.0543000.0146000.0312000.01017000.0141000.0121000.0289000.0735000.0158000.012000.0248000.0773000.0146000.0277000.0151000.0782000.0158000.0410000.0229000.0725000.084000.070000.0310000.01248000.01641000.0-4786000.02963000.03813000.0315000.0281000.0859000.03554000.0456000.0294000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value12181610.05.0118.01714161717223.0231716-4.02324229.01725184.07.010.0151431-8.0-15.02.0-12.06.0-17.05.0-6.06.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value10.0181610.05.0118.01414151719223.0231716-4.02324228.01725184.07.010.0151331-8.0-15.02.0-12.06.0-17.05.0-6.06.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation83.3100.0100.0100.0100.0100.0100.082.4100.093.8100.0111.8100.0100.0100.0100.0100.0100.0100.0100.0100.088.9100.0100.0100.0100.0100.0100.0100.092.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation8.30.00.00.00.00.00.00.0-0.0-0.00.0-0.00.0-0.00.0-0.00.0

us-gaap:TreasuryStockCommon


Stock
Period End2021-03-312019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1.00.00.03.00.01.00.0-2.00.00.00.00.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation8.30.00.017.60.06.20.0-11.80.00.00.00.0

us-gaap:SuppliesExpense

us-gaap:SuppliesExpense


Supplies
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value859804824784611763803760753741756726748774
Percentage of SuppliesExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TemporaryEquityAccretionOfInterest us-gaap:StatementEquityComponents

us-gaap:TemporaryEquityAccretionOfInterest

thc:RedeemableNoncontrollingInterest


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.03.00.01.02.01.05.04.04.05.07.06.0123371.03.0
Percentage of TemporaryEquityAccretionOfInterest100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TemporaryEquityNetIncome us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents

us-gaap:TemporaryEquityNetIncome

thc:AmbulatoryCare, thc:RedeemableNoncontrollingInterest


Temporary
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value6052363127313633323535333535381563
Percentage of TemporaryEquityNetIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:ConiferSegment, thc:RedeemableNoncontrollingInterest


Temporary
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value1716171216152120131720159.014151112
Percentage of TemporaryEquityNetIncome28.330.847.238.759.348.458.360.640.648.657.145.525.740.039.573.319.0

thc:CoreServicesAndOtherSegment, thc:RedeemableNoncontrollingInterest


Temporary
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value-11.03.0-9.0-11.0-9.0-6.0-11.0-12.06.02.08.04.01.010.05.0
Percentage of TemporaryEquityNetIncome-30.69.7-33.3-35.5-25.0-18.2-34.4-34.317.16.122.911.42.666.77.9

thc:HospitalOperationsSegment, thc:RedeemableNoncontrollingInterest


Temporary
Period End2021-06-302021-03-312020-06-302020-03-31
Value3.0133.0-9.0
Percentage of TemporaryEquityNetIncome5.025.09.7-33.3

us-gaap:TemporaryEquityNetIncome us-gaap:StatementEquityComponents

thc:RedeemableNoncontrollingInterest


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value80816442463462354847553440618450525360543680804421219.02.011112.03.04.00.00.00.0
Percentage of TemporaryEquityNetIncome133.3155.80.0116.7148.4125.90.0112.9133.3142.40.0106.2114.3174.30.0151.5148.6151.40.0142.1240.0127.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount


Valuation
Period End2020-12-31
Value-113.0
Percentage of ValuationAllowanceDeferredTaxAssetChangeInAmount100.0

thc:AssetsHeldForUseLongLivedFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

thc:AssetsHeldForUseLongLivedFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsNonrecurring


Assets
Period End2020-12-31
Value483
Percentage of AssetsHeldForUseLongLivedFairValueDisclosure100.0

thc:AssetsHeldForUseLongLivedFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsNonrecurring


Assets
Period End2020-12-31
Value483
Percentage of AssetsHeldForUseLongLivedFairValueDisclosure100.0

thc:AssetsHeldforuseLongLivedFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

thc:AssetsHeldforuseLongLivedFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsNonrecurring


Assets
Period End2020-12-312017-12-312016-12-31
Value4830.0163
Percentage of AssetsHeldforuseLongLivedFairValueDisclosure100.00.0100.0

thc:AssetsHeldforuseLongLivedFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsNonrecurring


Assets
Period End2020-12-312017-12-312016-12-31
Value4830.0163
Percentage of AssetsHeldforuseLongLivedFairValueDisclosure100.00.0100.0

thc:BusinessAcquisitionPurchasePriceAllocationRedeemableNoncontrollingInterestsInEquityOfConsolidatedSubsidiaries us-gaap:BusinessAcquisition

thc:BusinessAcquisitionPurchasePriceAllocationRedeemableNoncontrollingInterestsInEquityOfConsolidatedSubsidiaries

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302013-12-312012-12-312011-12-312010-12-31
Value281147830303018169.01.021188.09.02919011419741443137221211750.0160.0
Percentage of BusinessAcquisitionPurchasePriceAllocationRedeemableNoncontrollingInterestsInEquityOfConsolidatedSubsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0

thc:CommonStockFairValuePerShare us-gaap:AwardType

thc:CommonStockFairValuePerShare

us-gaap:EmployeeStockOption


Common
Period End2020-12-312018-12-31
Value39.9317.14
Percentage of CommonStockFairValuePerShare100.0100.0

thc:ContractWithCustomerAssetPercentageToBeReclassifiedToReceivableWithin90Days

thc:ContractWithCustomerAssetPercentageToBeReclassifiedToReceivableWithin90Days


Contract
Period End2021-06-302021-03-312020-09-30
Value91.091.085.0
Percentage of ContractWithCustomerAssetPercentageToBeReclassifiedToReceivableWithin90Days100.0100.0100.0

thc:DebtInstrumentCovenantMaximumSecuredDebtRatio us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

thc:DebtInstrumentCovenantMaximumSecuredDebtRatio

us-gaap:LetterOfCredit, us-gaap:SubsequentEvent


Debt
Period End2020-07-292020-07-28
Value6.04.0
Percentage of DebtInstrumentCovenantMaximumSecuredDebtRatio100.0100.0

thc:DeferredTaxAssetsInterestExpenseLimitation

thc:DeferredTaxAssetsInterestExpenseLimitation


Deferred
Period End2020-12-312019-12-312018-12-31
Value8.021989
Percentage of DeferredTaxAssetsInterestExpenseLimitation100.0100.0100.0

thc:DeferredTaxAssetsOtherLongTermLiabilities

thc:DeferredTaxAssetsOtherLongTermLiabilities


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
Value5535399714114116676555352
Percentage of DeferredTaxAssetsOtherLongTermLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:DeferredTaxAssetsRightOfUseLeaseAssetsAndObligations

thc:DeferredTaxAssetsRightOfUseLeaseAssetsAndObligations


Deferred
Period End2020-12-31
Value224
Percentage of DeferredTaxAssetsRightOfUseLeaseAssetsAndObligations100.0

thc:DeferredTaxLiabilitiesInvestmentsAndOtherAssets

thc:DeferredTaxLiabilitiesInvestmentsAndOtherAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value73958379130694.027
Percentage of DeferredTaxLiabilitiesInvestmentsAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0

thc:DeferredTaxLiabilitiesRightOfUseLeaseLiabilityAndObligations

thc:DeferredTaxLiabilitiesRightOfUseLeaseLiabilityAndObligations


Deferred
Period End2020-12-31
Value224
Percentage of DeferredTaxLiabilitiesRightOfUseLeaseLiabilityAndObligations100.0

thc:DefinedBenefitPlanExpectedFutureBenefitPayments

thc:DefinedBenefitPlanExpectedFutureBenefitPayments


Defined
Period End2020-12-31
Value845
Percentage of DefinedBenefitPlanExpectedFutureBenefitPayments100.0

thc:EstimatedFairValueOfDebtInstrumentAsPercentageOfCarryingValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

thc:EstimatedFairValueOfDebtInstrumentAsPercentageOfCarryingValue

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Estimated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value104.7104.4104.5102.70.9970.9511.0641.0391.0211.030.9731.0091.01.0021.0021.0061.0350.9870.9390.9640.9560.9910.9621.0261.0381.0431.051.0381.035
Percentage of EstimatedFairValueOfDebtInstrumentAsPercentageOfCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:EstimatedFutureRecoveriesFromAccountsAssignedToConifer us-gaap:StatementOperatingActivitiesSegment

thc:EstimatedFutureRecoveriesFromAccountsAssignedToConifer

us-gaap:SegmentContinuingOperations


Estimated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value1391561561581631631621691581511481391101271321301291411411411421461441401331211251229091919191918883737264
Percentage of EstimatedFutureRecoveriesFromAccountsAssignedToConifer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:FinanceLeasesAndMortgageNotes

thc:FinanceLeasesAndMortgageNotes


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value370383403408417432445452467473500
Percentage of FinanceLeasesAndMortgageNotes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour

thc:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour


Finite
Period End2021-06-302021-03-312020-09-30
Value337353394
Percentage of FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour100.0100.0100.0

thc:GuaranteeObligationCarryValueConsolidatedSubsidiaries us-gaap:BalanceSheetLocation, us-gaap:GuaranteeObligationsByNature

thc:GuaranteeObligationCarryValueConsolidatedSubsidiaries

us-gaap:OtherCurrentLiabilities, thc:GuaranteedInvesteesOfThirdParties


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-30
Value1310.010.010.0
Percentage of GuaranteeObligationCarryValueConsolidatedSubsidiaries100.0100.0100.0100.0

thc:LandHeldforExpansionOtherLongTermReceivablesandOtherAssetsNoncurrent

thc:LandHeldforExpansionOtherLongTermReceivablesandOtherAssetsNoncurrent


Land
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value130169155194204
Percentage of LandHeldforExpansionOtherLongTermReceivablesandOtherAssetsNoncurrent100.0100.0100.0100.0100.0

thc:LeaseLiability

thc:LeaseLiability


Lease
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value14601342135413231225
Percentage of LeaseLiability100.0100.0100.0100.0100.0

thc:LeaseLiabilityCurrent

thc:LeaseLiabilityCurrent


Lease
Period End2020-12-31
Value310
Percentage of LeaseLiabilityCurrent100.0

thc:LeaseLiabilityNoncurrent

thc:LeaseLiabilityNoncurrent


Lease
Period End2020-12-31
Value1150
Percentage of LeaseLiabilityNoncurrent100.0

thc:LeaseLiabilityPaymentsDue

thc:LeaseLiabilityPaymentsDue


Lease
Period End2020-12-31
Value1829
Percentage of LeaseLiabilityPaymentsDue100.0

thc:LeaseLiabilityUndiscountedExcessAmount

thc:LeaseLiabilityUndiscountedExcessAmount


Lease
Period End2020-12-31
Value369
Percentage of LeaseLiabilityUndiscountedExcessAmount100.0

thc:LeaseRightOfUseAsset

thc:LeaseRightOfUseAsset


Lease
Period End2020-12-312019-12-31
Value14071319
Percentage of LeaseRightOfUseAsset100.0100.0

thc:LesseeLeaseLiabilityPaymentsDueAfterYearFive

thc:LesseeLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value631
Percentage of LesseeLeaseLiabilityPaymentsDueAfterYearFive100.0

thc:LesseeLeaseLiabilityPaymentsDueYearFive

thc:LesseeLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value150
Percentage of LesseeLeaseLiabilityPaymentsDueYearFive100.0

thc:LesseeLeaseLiabilityPaymentsDueYearFour

thc:LesseeLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value179
Percentage of LesseeLeaseLiabilityPaymentsDueYearFour100.0

thc:LesseeLeaseLiabilityPaymentsDueYearThree

thc:LesseeLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value220
Percentage of LesseeLeaseLiabilityPaymentsDueYearThree100.0

thc:LesseeLeaseLiabilityPaymentsDueYearTwo

thc:LesseeLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value285
Percentage of LesseeLeaseLiabilityPaymentsDueYearTwo100.0

thc:LesseeLeaseLiabilityPaymentsNextTwelveMonths

thc:LesseeLeaseLiabilityPaymentsNextTwelveMonths


Lessee
Period End2020-12-31
Value364
Percentage of LesseeLeaseLiabilityPaymentsNextTwelveMonths100.0

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalAfterYearFive

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value8624
Percentage of LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalAfterYearFive100.0

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value145
Percentage of LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths100.0

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearFive

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value2607
Percentage of LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearFive100.0

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearFour

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value2494
Percentage of LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearFour100.0

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearThree

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value1925
Percentage of LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearThree100.0

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearTwo

thc:LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value100
Percentage of LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInYearTwo100.0

thc:NetCostReportSettlementsReceivablePayableandValuationAllowances us-gaap:StatementOperatingActivitiesSegment

thc:NetCostReportSettlementsReceivablePayableandValuationAllowances

us-gaap:SegmentContinuingOperations


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value-55000000.0-43000000.0-34000000.0-42000000.0-40000000.0-37000000.0-12000000.0-38000000.0-18000000.0
Percentage of NetCostReportSettlementsReceivablePayableandValuationAllowances100.0100.0100.0100.0100.0100.0100.0100.0100.0

thc:OperatingLossCarryforwardsNotSubjectToExpiration us-gaap:IncomeTaxAuthority

thc:OperatingLossCarryforwardsNotSubjectToExpiration

us-gaap:DomesticCountry


Operating
Period End2020-12-31
Value1241
Percentage of OperatingLossCarryforwardsNotSubjectToExpiration100.0

thc:OperatingLossCarryforwardsSubjectToExpiration us-gaap:IncomeTaxAuthority

thc:OperatingLossCarryforwardsSubjectToExpiration

us-gaap:DomesticCountry


Operating
Period End2020-12-31
Value1126
Percentage of OperatingLossCarryforwardsSubjectToExpiration100.0

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-31
Value3728
Percentage of OperatingLossCarryforwardsSubjectToExpiration331.1

thc:PercentageOfNetOperatingRevenuesGeneratedByGeneralHospitals

thc:PercentageOfNetOperatingRevenuesGeneratedByGeneralHospitals


Percentage
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value81.00.810.80.790.780.830.870.88
Percentage of PercentageOfNetOperatingRevenuesGeneratedByGeneralHospitals100.0100.0100.0100.0100.0100.0100.0100.0

thc:PurchasableEquityInJointVenturePercentageOfTotalShares dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:Range, us-gaap:OpenOptionContractsWrittenType

thc:PurchasableEquityInJointVenturePercentageOfTotalShares

thc:BaylorUniversityMedicalCenter, thc:UnitedSurgicalPartnersInternational, srt:Maximum, us-gaap:CallOption


Purchasable
Period End2021-06-30
Value33.3
Percentage of PurchasableEquityInJointVenturePercentageOfTotalShares100.0

thc:PurchasableEquityInJointVenturePercentageOfTotalShares us-gaap:CounterpartyName, us-gaap:Range, us-gaap:OpenOptionContractsWrittenType

thc:BaylorUniversityMedicalCenter, srt:Maximum, us-gaap:CallOption


Purchasable
Period End2021-03-31
Value33.3
Percentage of PurchasableEquityInJointVenturePercentageOfTotalShares0.0

thc:RequiredEquityNecessaryInJointVenture dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:OpenOptionContractsWrittenType

thc:RequiredEquityNecessaryInJointVenture

thc:BaylorUniversityMedicalCenter, thc:UnitedSurgicalPartnersInternational, us-gaap:PutOption


Required
Period End2021-06-30
Value5.0
Percentage of RequiredEquityNecessaryInJointVenture100.0

thc:RequiredEquityNecessaryInJointVenture dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:Range, us-gaap:OpenOptionContractsWrittenType

thc:BaylorUniversityMedicalCenter, thc:UnitedSurgicalPartnersInternational, srt:Maximum, us-gaap:PutOption


Required
Period End2021-06-30
Value33.3
Percentage of RequiredEquityNecessaryInJointVenture666.0

thc:RequiredEquityNecessaryInJointVenture us-gaap:CounterpartyName, us-gaap:OpenOptionContractsWrittenType

thc:UnitedSurgicalPartnersInternational, us-gaap:PutOption


Required
Period End2021-03-312020-12-312019-12-312018-12-312017-12-312016-12-31
Value5.05.00.050.050.050.0301
Percentage of RequiredEquityNecessaryInJointVenture0.00.00.00.00.00.0

thc:RequiredEquityNecessaryInJointVenture us-gaap:CounterpartyName, us-gaap:Range, us-gaap:OpenOptionContractsWrittenType

thc:BaylorUniversityMedicalCenter, srt:Maximum, us-gaap:PutOption


Required
Period End2021-03-312020-12-312019-12-312018-12-31
Value33.333.30.3330.333
Percentage of RequiredEquityNecessaryInJointVenture0.00.00.00.0

us-gaap:AccountsReceivableGrossCurrent us-gaap:StatementOperatingActivitiesSegment

us-gaap:AccountsReceivableGrossCurrent

us-gaap:SegmentContinuingOperations


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value2448254424992278223125212567255925252577242723362370240033763371355838733799366635683606348633543305329531782978294927932537173517241733166816701680169316451472
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableNetNoncurrent

us-gaap:AccountsReceivableNetNoncurrent


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2062132312660.0
Percentage of AccountsReceivableNetNoncurrent100.0100.0100.0100.00.0

us-gaap:AccountsReceivableNetNoncurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:BalanceSheetLocation

thc:CaliforniaProviderFeeProgram, us-gaap:OtherAssets


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value247277206256277284213218231
Percentage of AccountsReceivableNetNoncurrent0.00.0100.00.00.00.0100.00.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax


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
Value28125722317020516918224675142
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure

us-gaap:AssetsFairValueDisclosure


Assets
Period End2020-12-31
Value623
Percentage of AssetsFairValueDisclosure100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Assets
Period End2020-12-31
Value623
Percentage of AssetsFairValueDisclosure100.0

us-gaap:AssetsHeldForSaleLongLivedFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsHeldForSaleLongLivedFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsNonrecurring


Assets
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-312015-06-302014-12-312013-12-312012-06-302011-12-312010-12-31
Value139140386378394387394532242345639916345322344392025
Percentage of AssetsHeldForSaleLongLivedFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsHeldForSaleLongLivedFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsNonrecurring


Assets
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-312014-12-312013-12-312012-06-302011-12-312010-12-31
Value1391403863783943873945322423456399163452344392025
Percentage of AssetsHeldForSaleLongLivedFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation us-gaap:DisposalGroupClassification

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:DiscontinuedOperationsHeldforsale


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value683717029528534534364537
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperation100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations


Assets
Period End2020-12-31
Value14
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperation20.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations, thc:MemphisArea


Assets
Period End2020-09-302020-06-302020-03-312019-12-31
Value372378394387
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperation126.1132.6114.2112.8

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

thc:MedPostAndCareSpotBrands


Assets
Period End2021-03-312020-12-31
Value125126
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperation176.1180.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31201