CNC


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

Table of contents



us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostsAndExpenses

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:SubsequentEventType

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:LitigationSettlementExpense

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService

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

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets
us-gaap:ConsolidatedEntities

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:AssetsCurrent
us-gaap:ConsolidatedEntities

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities

us-gaap:ShortTermInvestments
us-gaap:ConsolidatedEntities

us-gaap:OtherAssetsCurrent
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:LongTermInvestments
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:LongTermDebt

us-gaap:LongTermDebtNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:MinorityInterest
us-gaap:ConsolidatedEntities

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities

us-gaap:AdditionalPaidInCapitalCommonStock
us-gaap:ConsolidatedEntities

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:TreasuryStockValue
us-gaap:ConsolidatedEntities

us-gaap:MinorityInterest
us-gaap:ConsolidatedEntities

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

cnc:AffordableCareActRiskAdjustmentNetPayablesIncreaseDecrease

cnc:AffordableCareActRiskCorridorReceivableSettlementNetReinsurancePreTaxBenefit

cnc:AmountsRecordedAsAnAdjustmentToPremiumRevenuesRelatedToMinimumHBRAndReturnOfPremiumPrograms

cnc:AmountsrecordedasanadjustmenttopremiumrevenuesrelatedtominimumHBRandreturnofpremiumprograms

cnc:GainLossOnExtinguishmentOfDebtIncludingCashPortion

cnc:HealthInsurerFeeExpense

cnc:IncreaseInOperatingLeaseLiabilityNewLeaseAgreement

cnc:LesseeOperatingLeaseLeaseNotYetCommencedLiability

cnc:PremiumTaxExpense

cnc:PremiumTaxRevenue

us-gaap:AssetImpairmentCharges
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionsProFormaRevenue

us-gaap:BusinessCombinationAcquisitionRelatedCosts
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ExternalCreditRatingByGrouping
us-gaap:ConcentrationRiskPercentage1

us-gaap:DepreciationAndAmortization

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:BusinessAcquisition
us-gaap:FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments

us-gaap:GainLossOnSaleOfBusiness
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInHealthCareInsuranceLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInPremiumsReceivable

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InvestmentIncomeNonoperating

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1
us-gaap:LitigationCase, us-gaap:LitigationStatus
us-gaap:LitigationSettlementAmountAwardedToOtherParty
us-gaap:LitigationStatus

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherSignificantNoncashTransactionValueOfConsiderationGiven1

us-gaap:PaymentsForLossesAndLossAdjustmentExpense

us-gaap:PaymentsOfDebtExtinguishmentCosts

us-gaap:PaymentsOfDebtIssuanceCosts
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PolicyholderBenefitsAndClaimsIncurredHealthCare

us-gaap:ProceedsFromDivestitureOfBusinessesNetOfCashDivested

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments

us-gaap:RepaymentsOfNotesPayable

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

cnc:AffordableCareActCostSharingReductionReceivable

cnc:AffordableCareActCostSharingReductionsPayable

cnc:AffordableCareActMinimumMedicalLossRatio

cnc:AffordableCareActReinsurancePayable

cnc:AffordableCareActRiskAdjustmentReceivable

cnc:AffordableCareActRiskCorridorReceivable

cnc:DeferredTaxAssetOperatingLeaseLiability

cnc:DeferredTaxAssetPremiumAndTradeReceivables

cnc:DeferredTaxLiabilitiesInvestmentUnrealizedGainLoss

cnc:DeferredTaxLiabilitiesRightOfUseAssets

cnc:FinanceLeaseLiabilityAndOther

cnc:InvestmentsDebtSecuritiesEquityMethodInvestmentsAndOtherAmortizedCost

cnc:InvestmentsDebtSecuritiesEquityMethodInvestmentsandOtherAmortizedCost

cnc:InvestmentsDebtSecuritiesEquitySecuritiesAndOtherFairValue

cnc:InvestmentsDebtSecuritiesEquitySecuritiesandOtherFairValue

cnc:LesseeOperatingLeaseLeasesCommencedLiability

cnc:LifeInsuranceContractsAndEquityInvestmentsFairValue
us-gaap:LongtermDebtType
cnc:NetBookValueOfCollateralizedProperties
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
cnc:NotesAcceptedForTenderOfferPrincipalOutstandingPercentage
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

cnc:ReturnofPremiumPayable

cnc:SeniorNotesTotal

cnc:ShortDurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetOther
us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear
cnc:ShortdurationInsuranceContractsIncurredbutNotReportedandExpectedDevelopmentonReportedClaims

us-gaap:AccruedInvestmentIncomeReceivable

us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument
us-gaap:FairValueByAssetClass
us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument
us-gaap:FairValueByAssetClass
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
us-gaap:FairValueByAssetClass
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
us-gaap:FairValueByAssetClass
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
us-gaap:FairValueByAssetClass
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
us-gaap:FairValueByAssetClass
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
us-gaap:FairValueByAssetClass
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
us-gaap:FairValueByAssetClass
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
us-gaap:FairValueByAssetClass
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
us-gaap:FairValueByAssetClass
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost
us-gaap:FairValueByAssetClass
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue
us-gaap:FairValueByAssetClass
us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByAssetClass, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:StatementScenario, us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisitionSharePrice

us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument
us-gaap:CreditFacility
us-gaap:DebtWeightedAverageInterestRate

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EquityMethodInvestments

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:GuaranteeObligationsByNature
us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:IncomeTaxExaminationIncreaseDecreaseInLiabilityFromPriorYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:CreditFacility
us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

us-gaap:LifeInsuranceCorporateOrBankOwnedAmount
us-gaap:CreditFacility
us-gaap:LineOfCredit
us-gaap:LitigationStatus
us-gaap:LitigationReserve

us-gaap:LoansPayable
us-gaap:LongtermDebtType

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

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

us-gaap:OtherNotesPayable
us-gaap:LongtermDebtType

us-gaap:OtherRestrictedAssetsNoncurrent

us-gaap:PremiumsAndOtherReceivablesNet

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccounts

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount
us-gaap:ConsolidatedEntities

us-gaap:ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet
us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear

us-gaap:ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet
us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented
us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:ShortdurationInsuranceContractsNumberOfReportedClaims

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired

us-gaap:StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased

us-gaap:TreasuryStockShares
us-gaap:StatementEquityComponents

us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Plots across concepts


IncomeStatement
Income Loss From Continuing Operations 
Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
Expenses
Income Tax Expense Benefit
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Other Assets Current
NonCurrent Assets
Operating Lease Right Of Use Asset
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Common Stock Value
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Payments For Repurchase Of Common Stock
Shares
Treasury Stock Shares
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization

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 ▄▄▄1.01.01.0NA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0610.0610.0610.0590.0580.0580.0550.0550.0540.0540.0540.0540.0530.0530.0530.052NANANA
us-gaap:CommonStockSharesIssued ██████▆▆▆▆▆▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁599.988599.608598.249595.622595.16594.89421.508419.667419.319419.058417.695207.55207.413180.643180.379179.033178.9178.669935178.134306176.467825176.231905175.952159126.855477124.940103124.812343124.562959124.27486461.3573961.26515661.04417558.67321557.87279857.66126255.43227155.3391654.40529654.32003654.21403753.58672652.92125552.83146252.53387352.172037NANANA
us-gaap:CommonStockSharesAuthorized ███████████▃▃▃▃▃▃▃▃▃▃▃▃▁▁▁▁800.0800.0800.0800.0800.0800.0800.0800.0800.0800.0800.0400.0400.0400.0400.0400.0400.0400.0400.0400.0400.0400.0400.0200.0200.0200.0200.0NA200.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0NANANA
us-gaap:CommonStockSharesOutstanding ██████▆▆▆▆▆▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁583.002582.682581.479579.726579.345579.122415.048413.793413.527413.305412.478205.354205.247176.795173.437172.566172.467172.271202171.919071170.860752170.653478170.449444120.342981119.20156119.087944118.886912118.43341658.66679757.83791957.6570455.31923954.76755154.62773552.4152.32924851.63270451.55706451.45850150.86461850.37777450.29532949.96535749.616824NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█582.804589.343NA587.971587.498552.062NA419.956419.671419.752NA209.522199.451177.69NA176.915176.42175.83629175.511179174.312416173.778537125.543076NA123.13181122.965011122.572366NA60.68187559.71725859.361266NA56.93305656.6016654.266928NA53.80619751.51589553.509243NA52.6203552.48941451.811721NA50.93835750.86631848.761528
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁582.804581.869NA579.51579.189544.436NA413.616413.37412.924NA205.295195.518173.921NA172.508172.357172.073968171.143624170.774587170.558778125.543076NA119.121524119.003569118.783755NA58.61348457.75868357.483876NA54.6796654.52903652.357119NA51.5848651.51589551.125674NA50.34551250.16705249.75043NA49.23840649.13555247.260714
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount █▁8.00.533NA0.0640.0320.4NA1.51.51.4NA0.010.0130.005NA0.0040.0050.05517NA0.0515930.0478866.742714NA0.0287160.0497540.026376NA0.023760.0518550.022956NA0.0145320.0350940.023351NA0.0446424.5304360.004291NA0.0693590.0305860.124946NA1.9318081.913073NA
us-gaap:EarningsPerShareBasic ▁▆▃▅█▃▄▄▆▆▅▃▇█▆▆▇▅▇▅▅▃▅▅▅▄▅▆▅▄▅▅▅▄▄▃▂▄▅▄▄▄▄▄▄▄-0.921.2-0.0400000000000000360.982.080.080.50.231.21.260.590.091.531.951.331.191.470.811.530.850.99-0.140.930.780.740.530.911.410.850.570.970.90.720.440.170.07-0.680.470.60.580.570.480.520.460.460.51
us-gaap:EarningsPerShareDiluted ▁▆▃▅█▃▄▄▆▆▅▃▇█▆▆▇▅▇▅▅▃▅▅▅▄▅▆▅▄▅▅▅▄▄▃▂▄▅▄▄▄▄▄▄▄-0.921.19-0.0400000000000000360.972.050.080.490.231.181.240.570.091.51.911.31.161.440.791.490.830.97-0.140.90.760.720.510.881.360.820.560.930.870.70.420.170.07-0.680.450.570.550.540.460.50.440.450.49
  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
 Operating Margin us-gaap:StatementBusinessSegments cnc:ManagedCare██▇█▇▇▅▅▅▅▄▄▃▃▃▃▃▃▃▂▂▁▁▁29590.028603.027402.028118.026740.025036.017980.018131.017546.017722.015870.015446.013309.012449.012094.011248.011341.011115.011084.010010.010128.06355.05687.05278.0NANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments cnc:SpecialtyServices█▇▇▇▇▇▆▆▆▆▆▅▆▁▁▁▁▁▁▂▄▁▁▁4559.04267.04097.04063.04092.03903.03607.03564.03403.03206.03183.03112.03236.0745.0712.0650.0613.0609.0827.0836.02234.0598.0615.0543.0NANANANANANANANANANANANANANANANANANANANANANA
  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:ComprehensiveIncomeNetOfTax ▁▅▃▅█▂▃▃▅▅▄▃▄▄▄▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃-472.0538.032.0616.01456.0-93.0198.0121.0576.0616.0264.07.0287.0289.0218.0213.0276.0154.0183.0148.0202.03.0103.095.085.063.0106.51979.80151.69134.98952.46551.58930.52322.7137.5484.679-35.39424.45432.2528.28229.58823.2918.72722.92324.97NA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▅▄▁▃▃▅▁▅▃▃▅▃▄▄▁▃▄▁▄▅▄▅▅▅▅▅▄▃▄▄▆▅▅▅▂▃▃▄▂▅▅▄█▄▆0.0-2.0-7.0-3.0-4.00.0-7.01.0-3.0-3.00.0-3.0-1.0-2.0-7.0-4.0-2.0-7.0-2.01.0-1.01.00.01.00.01.0-2.158-3.469-0.737-0.6361.642-0.459-0.473-0.091-4.422-3.524-3.833-1.375-4.8620.774-0.311-0.9225.95-0.5381.729NA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▁▅▃▅█▂▃▃▅▅▄▃▄▄▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃-472.0536.025.0613.01452.0-93.0191.0122.0573.0613.0264.04.0286.0287.0211.0209.0274.0147.0181.0149.0201.04.0103.096.085.064.0104.36176.33250.95434.35354.10751.1330.0522.6223.1261.155-39.22723.07928.54727.50829.27722.36823.08223.46126.699NA
us-gaap:CostOfGoodsAndServicesSold █▇▅▅▅▅▄▃▃▂▂▃▃▂▂▁▁1107.01048.0784.0861.0833.0825.0687.0619.0615.0544.0563.0622.0658.0543.0513.0437.0456.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostsAndExpenses █▇▇▇▇▇▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁31443.028929.028273.028229.025694.025837.018586.018800.017713.017759.016171.016141.013692.012654.012625.011558.011516.011484.011390.010504.010520.06933.06082.05638.05333.05002.04531.1894243.9293931.0283389.8542599.7842721.4212658.9192605.7882383.5292475.7622157.4921677.951459.7991253.4881259.7111177.261135.4681081.6131035.0631039.11
us-gaap:GainsLossesOnExtinguishmentOfDebt █▁▅██▁0.0-46.0-17.00.00.0-44.0NANA0.00.0NANANANANANANANANANANANANANANANANANANANANANANANA0.00.00.0NA0.00.0-8.488NANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:SubsequentEventType us-gaap:SubsequentEventNANA-17.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperations ▁█-535.0699.0NA568.01206.046.0NA95.0495.0522.0NA19.0300.0340.0230.0205.0254.0139.0255.0146.0170.0-16.0112.092.088.064.0106.081.09947.18333.81647.96549.37339.48423.0029.0613.819-34.99923.97830.11228.98728.37423.74525.46422.40222.99920.082
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▁▅▂▅█▃▃▃▄▄▄▃▄▄▃▃▄▃▄▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃-542.0941.0-74.0772.01944.0131.0260.0175.0662.0685.0357.024.0474.0513.0168.0326.0421.0219.0480.0318.0357.02.0217.0180.0172.0128.0193.619104.32691.3267.73586.11480.57464.27937.9510.378-9.252-47.4434.6946.5746.67244.49237.15143.34236.10341.98232.855
us-gaap:IncomeTaxExpenseBenefit ▁▄▁▃█▂▂▂▃▃▃▂▃▃▁▃▃▂▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▂▂▂▂▂▂▂▂▂-7.0244.0-55.0207.0742.085.058.079.0170.0166.0116.08.0175.0175.0-55.0125.0169.087.0223.0171.0188.017.0105.087.084.063.089.87526.69644.87434.55535.11331.6625.26815.0395.739-9.547-8.60812.08717.30618.45916.42914.32816.95813.16317.25412.525
us-gaap:IncomeTaxesPaidNet ▄▁▃█▂▁▂▂▄▁▂▂▃▁▂▂▃▁▂▂▃▁▂▂▂▁▂▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁386.020.0271.0845.072.03.0101.0130.0375.06.0108.0145.0194.01.0138.0153.0203.02.0162.0172.0189.033.099.084.0121.024.069.71757.16588.85321.26543.7619.22719.4892.2058.8761.60711.8820.5140.4489.88530.5449.5679.53116.46719.6688.272
us-gaap:InterestExpense ▇▇████▅▅▅▅▅▅▄▃▃▃▃▃▄▃▃▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁163.0170.0177.0184.0187.0180.0113.099.0101.099.098.097.080.068.066.065.062.062.075.057.052.033.011.011.011.010.010.0919.2828.6047.0236.6966.6037.0336.6256.0674.8554.7394.7994.7974.5725.2565.6955.4524.8583.8693.813
us-gaap:InterestPaidNet ▇▅█▄█▄▅▃▂▃▄▃▃▃▂▄▂▃▂▃▂▁▂▁▂▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁225.0130.0246.0119.0256.0104.0161.081.045.087.0110.083.057.073.027.0111.027.072.052.077.033.03.027.01.025.02.022.0981.46314.7911.64813.2711.56813.761.419.4781.8158.7231.58911.2864.27510.1081.7147.7952.1816.9750.345
us-gaap:LitigationSettlementExpense 1250.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▁▆▃▅█▃▄▄▅▅▄▃▄▅▄▄▄▄▄▄▄▃▄▄▄▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃-535.0699.0-12.0568.01206.046.0209.095.0495.0522.0241.019.0300.0340.0230.0205.0254.0139.0261.0145.0169.0-17.0111.093.088.063.0107.082.6248.86332.98353.2449.37339.48423.0029.0613.819-34.99923.97830.11228.98728.37423.74525.39922.66222.77324.002
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▇▅▁▄▃▇▁▇▄▄▇▄▆▅▁▃▅▁▅▇▆▇▇▇▇▇▅▄▆▆█▆▆▇▃▄▄▆▆▆▆▆▂▇█▇0.0-2.0-7.0-3.0-4.00.0-7.01.0-3.0-3.00.0-3.0-1.0-2.0-7.0-4.0-2.0-7.0-2.01.0-1.01.00.01.00.01.0-2.158-3.469-0.737-0.6361.642-0.459-0.473-0.091-4.422-3.524-3.833-1.375-0.848-0.774-0.311-0.922-5.950.5381.7290.248
us-gaap:OperatingIncomeLoss ▁▅▂▅█▃▃▃▄▄▃▂▄▄▃▃▃▃▄▃▃▂▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂-418.01054.015.0861.02018.0188.0277.0176.0643.0685.0388.041.0489.0540.0181.0340.0438.0240.0521.0342.0377.020.0220.0183.0173.0129.0193.362107.93292.67270.03488.05682.23167.02640.10413.068-27.641-46.74634.19847.37748.54755.30339.09745.50140.24841.70929.611
 us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments cnc:ManagedCare▁▅▂▅█▃▃▃▄▄▃▃▄▄▃▃▃▃▄▃▃▂▃▃-415.0956.017.0888.01909.0217.0219.0385.0587.0615.0327.092.0421.0470.0118.0238.0374.0187.0459.0304.0337.0-19.0173.0138.0NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments cnc:SpecialtyServices▆█▆▅█▅▇▁▇▇▇▄▇▇▇█▇▇▇▆▆▆▇▇-3.098.0-2.0-27.0109.0-29.058.0-209.056.070.061.0-51.068.070.063.0102.064.053.062.038.040.039.047.045.0NANANANANANANA14.14825.99832.60626.41127.722-18.28920.2243.38610.1612.75211.03110.844.546NANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▄▂██▄▁▆▁▄▄▃▃▃▄▄▄▅▄▃▃▃▄▃▄▄▂▃▄▄▄▄▄2.0-5.011.010.01.0-7.05.0-7.00.00.0-2.0-1.0-2.01.01.01.03.01.0-2.0-1.0-1.01.0-1.00.01.0-5.0-0.666-0.3340.00.00.00.0NANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▁▄▅█▁▄▄▅▅▄▄▄▃▄▄▄▄▂▄▄▄63.0-161.044.048.0250.0-139.0-11.026.081.094.023.0-12.0-13.0-51.0-12.08.022.015.0-82.03.033.020.0NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▁▆▃▅█▃▄▄▅▅▄▃▄▅▄▄▄▄▄▄▄▃▄▄▄▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃-535.0697.0-19.0565.01202.046.0202.096.0492.0519.0241.016.0299.0338.0223.0201.0252.0132.0263.0146.0168.0-16.0111.094.088.064.0104.37679.15148.12632.34754.88248.91439.01122.9114.6390.295-38.83222.60329.26428.21328.06322.82326.31923.224.50224.25
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ██▇█▇▇▅▅▅▅▅▅▄▄▄▄▄▄▄▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁28862.028114.026445.027459.025724.024172.018863.018215.017299.016838.016559.015355.012875.012556.012806.011421.011441.011724.011911.010846.010897.06953.06302.05821.05506.05131.04725.04351.8614023.73459.8882931.742803.6522725.9452645.8922396.5972448.1212110.7461712.1481507.1761302.0351315.0141216.3571180.9691121.8611076.7721068.721
us-gaap:Revenues ██▇█▇▇▅▅▅▅▅▅▄▄▄▄▄▃▄▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁31025.029983.028288.029090.027712.026025.018863.018976.018356.018444.016559.016182.014181.013194.012806.011898.011954.011724.011911.010846.010897.06953.06302.05821.05506.05131.04725.04351.8614023.73459.8882931.742803.6522725.9452645.8922396.5972448.1212110.7461712.1481507.1761302.0351315.0141216.3571180.9691121.8611076.7721068.721
us-gaap:SellingGeneralAndAdministrativeExpense ▆▇█▇▆▇▅▄▄▄▄▅▃▃▃▂▂▂▂▂▂▁2273.02367.02721.02507.02255.02384.01733.01617.01574.01609.01556.01934.01237.01316.01260.01030.01065.01091.01065.0940.0949.0722.0NANANANANANANANANANANANANANANANANANANANANANANANA
  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 █████▇▅▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁71539.070285.068719.068364.068347.066431.040994.034252.034368.033569.030901.031157.028743.025170.021855.022000.021840.021362.020197.019634.019496.018652.07339.07322.07022.06696.05838.05446.3454682.5674446.4473529.33139.0373045.2352887.1572741.6822690.9362449.552283.1472190.3362037.4982010.4442003.6851943.882NANANA
us-gaap:Liabilities ██████▅▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁45411.043749.042757.042485.043142.042739.028302.021816.022098.021925.019878.020396.018035.017582.014979.015327.015312.015140.014143.013762.013809.013199.05015.05113.04927.04704.03947.03664.7953076.9452903.5882285.8611953.9461922.9611900.6271787.9151733.8721501.5631304.0281253.9171133.3991140.141172.4891146.827NANANA
us-gaap:LiabilitiesAndStockholdersEquity █████▇▅▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁71539.070285.068719.068364.068347.066431.040994.034252.034368.033569.030901.031157.028743.025170.021855.022000.021840.021362.020197.019634.019496.018652.07339.07322.07022.06696.05838.05446.3454682.5674446.4473529.33139.0373045.2352887.1572741.6822690.9362449.552283.1472190.3362037.4982010.4442003.6851943.882NANANA
us-gaap:StockholdersEquity █████▇▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁25911.026342.025773.025725.025056.023549.012551.012311.012154.011540.010917.010653.010610.07503.06850.06640.06378.06070.05895.05710.05529.05297.02157.02051.01940.01837.01744.01632.9031476.1651412.6661234.0411179.5391118.207985.708953.056963.979951.428979.709935.634902.71868.466829.002793.939NANANA
  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 █▇▇██▇▆▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁25464.024440.023393.027275.026822.024696.020323.013457.013596.013616.011998.013088.012377.010976.08703.09660.09648.09408.08365.07755.07853.07551.03605.03596.03838.03590.03034.02767.7112324.8862281.8491800.1731368.4351342.361375.2711373.6021376.5051073.438920.377940.01766.376774.536743.829656.821NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▇▆▇██▆█▄▅▄▄▅▅▄▃▃▃▃▃▂▂▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁11018.09627.010800.012198.012798.09308.012123.06215.06875.06345.05342.06847.06707.05668.04072.04281.04425.04839.03930.02982.02710.03436.01760.01665.01967.01666.01546.01523.5961199.7841218.004974.304741.281688.712730.791843.952796.621421.894432.998573.698451.657474.45492.045434.166NA265.6350.089
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▇▆▆██▅▇▃▃▃▂▃▅▂▁▁▁▂▁11195.010304.010957.012344.012955.09457.012131.06228.06892.06351.05350.06854.08534.05684.04089.04287.04433.04851.03936.0NANANA1838.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ShortTermInvestments ███▇█▇▅▄▄▄▄▃▃▃▃▃▃▄▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▂▂▂▂▁▁▁▁▁▁1566.01662.01580.01497.01558.01386.0863.0804.0765.0697.0722.0594.0602.0507.0531.0595.0586.0725.0505.0406.0443.0269.0176.0162.0140.0151.0177.0166.993127.34899.696102.126122.631131.33146.107139.118139.92152.545126.221130.499106.34478.80852.69921.346NANANA
us-gaap:OtherAssetsCurrent ▅▅▄▆▆█▄▃▃▃▃▃▃▄▃▃▃▃▃▃▄▄▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁1678.01550.01317.01910.02127.02698.01090.0832.0762.0755.0784.01000.01001.01153.0687.0829.0736.0723.0832.0922.01212.01317.0390.0488.0483.0528.0324.0319.7313.946320.393217.661148.576164.41178.002127.08123.84198.80582.92578.36368.90869.14367.06264.154NANANA
  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:PropertyPlantAndEquipmentGross NANA4251.0NANANA3223.0NANANA2506.0NANANA1694.0NANANA1239.0NANANA869.0NANANA733.0NANANA639.829NANANA581.109NANANA526.916NANANA464.97NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType cnc:ComputerHardwareNANA525.0NANANA378.0NANANA308.0NANANA248.0NANANA179.0NANANA105.0NANANA88.0NANANA69.087NANANA57.851NANANA51.805NANANA35.639NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType cnc:FurnitureAndOfficeEquipmentNANA600.0NANANA457.0NANANA335.0NANANA186.0NANANA126.0NANANA92.0NANANA70.0NANANA53.18NANANA44.327NANANA37.865NANANA33.812NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingNANA891.0NANANA778.0NANANA614.0NANANA367.0NANANA271.0NANANA223.0NANANA208.0NANANA206.058NANANA193.187NANANA186.194NANANA171.072NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ComputerSoftwareIntangibleAssetNANA1465.0NANANA1018.0NANANA757.0NANANA542.0NANANA377.0NANANA237.0NANANA198.0NANANA184.983NANANA164.755NANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA238.0NANANA202.0NANANA201.0NANANA130.0NANANA113.0NANANA104.0NANANA87.0NANANA69.705NANANA70.276NANANA47.614NANANA44.282NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA532.0NANANA390.0NANANA291.0NANANA221.0NANANA173.0NANANA108.0NANANA82.0NANANA56.816NANANA50.671NANANA44.766NANANA38.247NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA1477.0NANANA1102.0NANANA800.0NANANA590.0NANANA442.0NANANA351.0NANANA288.0NANANA244.422NANANA203.383NANANA177.294166.442157.706148.051138.629NANANA
us-gaap:AmortizationOfIntangibleAssets ███▇█▇▃▃▃▃▃▃▂▂▂▂▂▂▃▂▂▁▁▁▁▁188.0195.0192.0164.0197.0166.064.065.064.065.062.065.045.039.039.038.039.040.052.043.043.09.06.06.05.07.0NANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ███▇▇▇▆▆▅▅▅▄▄▄▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁2912.02822.02774.02669.02544.02439.02121.01993.01878.01800.01706.01584.01327.01250.01104.01003.0912.0841.0797.0725.0626.0580.0518.0488.0462.0450.0445.0424.229423.905412.699395.407390.2388.965382.853377.726381.781379.97352.71349.622345.6340.392334.18326.341NANANA
us-gaap:LongTermInvestments ███▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁13472.013245.012853.09859.010231.010521.07717.07915.07632.07186.06861.06272.05746.05535.05312.04927.04816.04636.04545.04568.04230.03973.01927.01992.01541.01527.01280.01108.261996.965840.152791.9816.91769.905748.307614.723559.714630.866605.866506.14530.452518.49556.806595.879NANANA
 us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities srt:ParentCompanyNANA41565.0NANANA19561.0NANANA17409.0NANANA11303.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Goodwill ████▇▇▃▃▄▄▄▃▃▃▃▃▃▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁18805.018788.018652.017964.017434.017417.06863.06872.07126.06981.07015.06803.05346.05295.04749.04712.04712.04712.04712.04730.04707.04442.0842.0849.0811.0786.0754.0753.06642.613657.551348.432347.548344.822256.288256.288256.288256.288281.981281.981281.981281.981278.105278.051NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▇▇█▇██▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁8069.08235.08388.08130.08702.08898.02063.02086.02163.02208.02239.02423.01501.01519.01398.01428.01466.01504.01545.01566.01609.01646.0155.0161.0148.0131.0120.0127.29781.35985.13448.7850.54152.21919.28720.26821.37522.48126.12227.4328.79530.34227.81329.109NANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA8388.0NANANA2063.0NANANA2239.0NANANA1398.0NANANA1545.0NANANA155.0NANANA120.0NANANA48.78NANANA20.268NANANA27.43NANANA29.109NANANA
us-gaap:OperatingLeaseRightOfUseAsset ███▆▄▃▁▁▁▁1297.01339.01311.01088.0910.0852.0661.0656.0632.0624.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ███▇▇▇▆▆▆▆▃▃▃▃▃▁▁▁▁▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1705.01642.01599.01412.01564.01446.01249.01274.01343.01196.0527.0437.0503.0455.0454.0132.0149.0121.095.0153.0334.0317.0177.0130.0121.0114.080.0140.429107.96780.96159.357124.492107.67365.80764.28261.76453.01158.7358.33557.52638.04136.4730.057NANANA
us-gaap:EquitySecuritiesFvNi ▄▄▄▄▇█▁317.0319.0318.0317.0561.0685.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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:AccountsPayableAndAccruedLiabilitiesCurrent ▇▆▇▇██▄▄▄▅▄▅▄▅▄▅▄▄▄▃▄▄▂▂▂▂▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁8053.06866.07069.07102.08704.08531.04164.04010.04032.04641.04051.04550.03803.04962.04165.04804.04238.04275.03763.03187.03218.03228.0976.01035.01004.01002.0751.0926.78670.343614.541375.862270.381216.33180.338191.343162.778142.766158.356216.504173.708152.578214.9185.218NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▅█▇█▅▇▄▄▁▃▄446.0574.0523.0582.0448.0526.0383.0381.0253.0363.0385.0NANANA328.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ██▇▇▇▇▅▅▅▅▄▅▄▄▄▄▄▄▃▄▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁23642.022279.021585.021795.021918.021651.012932.013280.012653.013143.011971.012741.09862.010890.09332.09709.08966.09202.08623.09023.08814.07871.03629.03563.03458.03343.02900.02634.2932117.7072021.4431559.1211386.9721320.5721307.0941197.091280.1141034.236888.322837.613730.38749.773817.047765.246NANANA
us-gaap:LongTermDebtCurrent ▃▁▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁253.062.097.089.0106.0129.088.066.087.040.038.04.04.04.04.04.04.04.04.0845.0845.04.05.05.05.05.05.05.1316.1356.113.0653.0463.0293.4193.3733.3373.3023.2353.2343.2033.1723.0372.817NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▃██▁200.0204.0204.0198.0NANA161.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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:LongTermDebt NANA16880.0NANANANANANANANANANANANANANANANANANANA1223.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LongTermDebtNoncurrent ██████▇▄▄▄▄▄▃▃▃▃▃▃▃▂▂▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁16536.016695.016682.016737.016708.017150.013638.06975.07047.06775.06648.06379.06275.05172.04695.04717.04716.04643.04651.03744.03649.04276.01216.01276.01139.01123.0888.0949.72884.89810.97665.697517.931548.473532.734535.481391.973405.462347.162348.344348.093336.468302.326327.824NANANA
us-gaap:DebtAndCapitalLeaseObligations ██████▇▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁16789.016757.016779.016826.016814.017279.013726.07041.07134.06815.06686.06383.06279.05176.04699.04721.04720.04647.04655.04589.04494.04280.01221.01281.01144.01128.0893.0954.851891.025817.08668.762520.977551.502536.153538.854395.31408.764350.397351.578351.296339.64NA330.641NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▁█▄1438.01641.01534.0NANANA189.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest █▇▇▇▇▇▇▆▆▆▆▆▆▅▂▂▂▂▂▂▂▂▂▁▁▁▁▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁134.0116.0112.0118.0116.0107.0108.094.094.094.096.097.087.077.014.013.014.014.014.014.011.012.011.02.00.00.0-1.08.1489.7869.5129.3985.5524.0670.8220.711-6.915-3.441-0.590.7851.3891.8382.1943.116NANANA
us-gaap:OtherLiabilitiesNoncurrent ▇▆▆▇█▇▄▃▅▄▃▃▄▃▂▂▃▃▂▂▃▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁3795.03134.02956.03953.04516.03938.01732.01561.02398.02007.01259.01276.01898.01520.0952.0901.01630.01295.0869.0995.01346.01052.0170.0274.0330.0238.0158.080.37173.89770.16660.01549.04353.91660.79955.34461.78561.86568.54467.9654.92653.89953.11653.378NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▇█▇▁1324.01367.01334.01039.0NANA622.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▃▃█▁219.0219.0238.0210.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▆▅█▁199.0197.0209.0176.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▃▃█▁162.0160.0186.0150.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive ▅▅█▁137.0136.0150.0115.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive ▆▆█▁696.0692.0778.0514.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 █████▇▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁25911.026342.025773.025725.025056.023549.012551.012311.012154.011540.010917.010653.010610.07503.06850.06640.06378.06070.05895.05710.05529.05297.02157.02051.01940.01837.01744.01632.9031476.1651412.6661234.0411179.5391118.207985.708953.056963.979951.428979.709935.634902.71868.466829.002793.939NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █████▇▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁26045.026458.025885.025843.025172.023656.012659.012405.012248.011634.011013.010750.010697.07580.06864.06653.06392.06084.05909.05724.05540.05309.02168.02053.01940.01837.01743.01641.0511485.9511422.1781243.4391185.0911122.274986.53953.767957.064947.987979.119936.419904.099870.304831.196797.055NANANA
us-gaap:CommonStockValue ▄▄▄1.01.01.0NA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0610.0610.0610.0590.0580.0580.0550.0550.0540.0540.0540.0540.0530.0530.0530.052NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ██████▄▄▄▄▄▄▄▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁19545.019500.019459.019390.019333.019279.07647.07571.07531.07491.07449.07395.07355.04592.04349.04310.04258.04224.04190.04154.04119.04084.0956.0909.0891.0870.0840.0811.752754.637739.972594.326578.188563.873461.36450.856458.741450.506443.111421.981411.924405.711396.38384.206NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▇█▇▇▇▆▆▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁6956.07491.06792.06804.06236.05030.04984.04775.04680.04185.03663.03422.03403.03104.02748.02518.02313.02059.01920.01655.01510.01341.01358.01247.01154.01066.01003.0896.385813.765764.902731.919678.679629.306589.822566.82557.759553.94588.939564.961534.849505.862477.488453.743NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▆▅█▇▆▂▅▅▄▃▁▁▁▁▂▂▂▂▂▃▃▂▂▂▂▂▂▂239.0176.0337.0293.0245.0-5.0134.0145.0119.038.0-56.0-79.0-67.0-54.0-3.09.01.0-21.0-36.046.043.010.0-10.0-2.0-4.0-1.0-1.0-0.605NANA-2.62NANANANANANANANANANANANANANANA
us-gaap:TreasuryStockValue ███▇▇▇▂▂▂▂▂▁▁▂▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁830.0826.0816.0762.0758.0755.0214.0180.0176.0174.0139.085.081.0139.0244.0197.0194.0192.0179.0145.0143.0138.0147.0103.0101.098.098.074.6994.51291.65589.64375.54170.96970.42969.86459.27758.91458.63257.12350.59450.34350.88850.486NANANA
us-gaap:MinorityInterest █▇▇▇▇▇▇▆▆▆▆▆▆▅▂▂▂▂▂▂▂▂▂▁▁▁▁▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁134.0116.0112.0118.0116.0107.0108.094.094.094.096.097.087.077.014.013.014.014.014.014.011.012.011.02.00.00.0-1.08.1489.7869.5129.3985.5524.0670.8220.711-6.915-3.441-0.590.7851.3891.8382.1943.116NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▁█36.051.0NA54.047.0117.0NA34.034.038.040.037.035.033.036.037.030.032.036.029.032.051.023.015.017.016.013.38711.86311.45311.2979.40410.2978.588.3756.9156.4245.6186.3754.9084.4244.4454.394NANANANA
  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 ▅▂▇▁█▂▁▂▄▄▁▃▂▅▃▃▂▄▅▃▂▃▃▃▃▂▃▃▃▃▃▃▂▂▂▃▂▂▃▂▂▃▃▃▂▂1685.043.02981.0-952.03714.0-240.0-651.0-99.0917.01316.0-634.0548.0-526.01846.0450.097.0-306.01248.01596.0480.0-420.0195.0201.062.0350.045.0369.266441.845159.444252.445170.856130.73137.94642.993-28.591317.18222.196-32.096172.02336.519-40.83793.991194.62572.563-59.756-38.5
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▇▁██▃▇▇▇▇▆▄▇▆▇▇▇▇▆▇▇▆▇▇▇▇▇▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▇█▇▇-813.0-607.0-4255.0332.0240.0-3272.0-144.0-459.0-556.0-373.0-1022.0-2310.0-489.0-764.0-579.0-200.0-157.0-329.0-765.0-313.0-483.0-836.0-44.0-470.0-74.0-225.0-266.555-191.868-239.093-150.484-17.962-48.63-119.231-156.277-49.3672.074-89.773-120.851-47.925-60.04-9.133-11.978-174.61850.055-44.88-41.164
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▁▁▁▂█▁▂▂▂▂▅▂▁▁▁▁▂▂▂▄▁▂▁▂▁▂▂▂▂▁▁▁▂▁▂▁▁▁▁▁▁▁▁▁27.0-73.0-123.04.0-460.0839.06704.0-108.0178.058.0152.082.03865.0513.0-79.0-42.049.0-10.0119.0104.0177.02317.0-62.0106.025.0236.0-75.09974.68767.654130.758143.898-29.53239.2060.123125.282-14.52956.47312.247-2.0570.72832.375-24.13416.4939.44820.14726.001
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▃▂▃▆▁█▃▄▄▂▂▆▄▃891.0-653.0-1387.0-611.03498.0-2674.05903.0-664.0541.01001.0-1504.0-1680.02850.01595.0-198.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▁█▇▂▃▇█▄▅▆▅▃▅▆▄▆▅▄▇▅▅▅▅▅▅▅▆▄▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅-232.0156.0103.0-171.0-95.0112.0130.0-65.0-33.023.0-26.0-107.0-26.030.0-76.026.0-7.0-51.0109.0-4.04.0-17.0-3.0-1.0-7.0-6.022.931-53.673-3.385-7.873-3.919-9.0899.7290.9864.88-28.6823.5095.8552.2543.306-2.829-0.73.305NANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▂▇▁█▂▁▂▄▄▁▃▂▅▃▃▂▄▅▃▂▃▃▃▃▂▃▃▃▃▃▃▂▂▂▃▂▂▃▂▂▃▃▃▂▂1685.043.02981.0-952.03714.0-240.0-651.0-99.0917.01316.0-634.0548.0-526.01846.0450.097.0-306.01248.01596.0480.0-420.0195.0201.062.0350.045.0369.266441.845159.444252.445170.856130.73137.94642.993-28.591317.18222.196-32.096172.02336.519-40.83793.991194.62572.563-59.756-38.5
us-gaap:NetIncomeLoss ▁▆▃▅█▃▄▄▅▅▄▃▄▅▄▄▄▄▄▄▄▃▄▄▄▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃-535.0699.0-12.0568.01206.046.0209.095.0495.0522.0241.019.0300.0340.0230.0205.0254.0139.0261.0145.0169.0-17.0111.093.088.063.0107.082.6248.86332.98353.2449.37339.48423.0029.0613.819-34.99923.97830.11228.98728.37423.74525.39922.66222.77324.002
us-gaap:ProfitLoss ▁▆▃▅█▃▄▄▅▅▄▃▄▅▄▄▄▄▄▄▄▃▄▄▄▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃-535.0697.0-19.0565.01202.046.0202.096.0492.0519.0241.016.0299.0338.0223.0201.0252.0132.0263.0146.0168.0-16.0111.094.088.064.0104.37679.15148.12632.34754.88248.91439.01122.9114.6390.295-38.83222.60329.26428.21328.06322.82326.31923.224.50224.25
us-gaap:ShareBasedCompensation ▃▄▅▄▄█▅▃▃▃▃▃▃▃▃▃▃▃▃▃▃▄▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁36.051.063.054.047.0117.071.034.034.038.040.038.034.033.036.037.030.032.036.029.032.051.023.015.017.016.013.38711.86311.45311.2979.40410.2978.588.3756.9156.4245.6186.3754.9084.4244.4454.3943.653.3363.4283.46
  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 ▆▇▁██▃▇▇▇▇▆▄▇▆▇▇▇▇▆▇▇▆▇▇▇▇▇▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▇█▇▇-813.0-607.0-4255.0332.0240.0-3272.0-144.0-459.0-556.0-373.0-1022.0-2310.0-489.0-764.0-579.0-200.0-157.0-329.0-765.0-313.0-483.0-836.0-44.0-470.0-74.0-225.0-266.555-191.868-239.093-150.484-17.962-48.63-119.231-156.277-49.3672.074-89.773-120.851-47.925-60.04-9.133-11.978-174.61850.055-44.88-41.164
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment █▆▇██▆▇▆▅▆▆▄▅▇▄▄▄▃▃▄▂▂▂▂▂▁▂▁▁▁▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁▁250.0187.0206.0251.0235.0177.0200.0194.0160.0176.0186.0127.0144.0218.0121.0120.098.083.095.0117.049.045.049.043.031.027.034.47226.9623.45218.11621.45216.32619.40310.65411.54313.15942.46214.9816.06221.18716.01915.72512.95119.17618.65712.52
us-gaap:PaymentsToAcquireInvestments ▄▄█▃▂▃▂▂▂▂▃▃▂▂▂▂▂▂▂▂▂▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1937.01653.04491.01062.0449.01400.0501.0794.0700.0580.01155.01316.0610.0765.0984.0426.0700.0594.0922.0572.0744.0212.0244.0564.0206.0307.0276.526263.127307.974167.373124.637128.426179.459358.131193.72995.057151.689255.212117.25297.90662.81640.423232.77676.606159.189146.935
  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 ▁▁▁▁▁▂█▁▂▂▂▂▅▂▁▁▁▁▂▂▂▄▁▂▁▂▁▂▂▂▂▁▁▁▂▁▂▁▁▁▁▁▁▁▁▁27.0-73.0-123.04.0-460.0839.06704.0-108.0178.058.0152.082.03865.0513.0-79.0-42.049.0-10.0119.0104.0177.02317.0-62.0106.025.0236.0-75.09974.68767.654130.758143.898-29.53239.2060.123125.282-14.52956.47312.247-2.0570.72832.375-24.13416.4939.44820.14726.001
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▁▂▂▁▁▂█▅▄▂▁▁▃▂▁▁▁▁▂▂▂▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁81.02317.02420.057.088.02542.012265.06839.04599.01018.0597.0334.03131.02015.0230.0360.0250.0560.01990.01245.01921.03790.0620.0555.0250.0500.0490.0240.0500.0645.0150.00.030.00.0185.5140.0NANA0.00.0291.883127.3164.72611.65120.13122.03
us-gaap:RepaymentsOfLongTermDebt ▁▃▃▁▂▂▇█▅▂▁▁▃▃▁▁▁▂▃▂▃▂▂▁▁▁▂▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁58.02295.02413.056.0559.01039.05510.06940.04426.0927.0391.0221.01980.01491.0229.0362.0202.0560.01819.01133.01736.01388.0673.0431.0226.0253.0556.424171.684426.479519.4130.75130.7249.3420.77640.812155.82120.8060.7950.8080.78262.118152.57798.2610.2740.05797.136
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▁▂▁▁█▁▁▁▁▂▁▁▁▂▁▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁4.029.056.09.03.0558.034.04.02.035.054.04.04.09.047.03.02.013.034.02.05.022.044.02.03.04.023.3680.7632.8572.01214.1024.5720.540.56510.5870.3630.2821.5096.5290.2510.6270.4022.510.1460.0880.48
  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 End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1000000.01000000.01000000.00000000000000000000000061000.061000.061000.059000.058000.058000.055000.055000.054000.054000.054000.054000.053000.053000.053000.052000.046000.0
Percentage of CommonStockValue100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value1000000.0000
Percentage of CommonStockValue100.00.00.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.00.00.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5995995985955955944214194194194172072071801801791781781781761761751261241241241246161615857575555545454535252525245
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value800800800800800800800800800800800400400400400400400400400400400400400200200200200200100100100100100100100100100100100100100100100
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value58358258157957957941541341341341220520517617317217217217117017017012011911911811858575755545452525151515050504949
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value59959959859559559442141941941941720720718018017917817817817617617512612412412412461616158575755555454545352525252454544
Percentage of CommonStockSharesOutstanding102.9102.9102.9102.7102.7102.7101.6101.4101.4101.4101.3101.1101.1102.2104.0103.7103.7103.7103.6103.3103.3103.2105.4104.8104.8104.8104.9104.6105.9105.9106.1105.7105.6105.8105.8105.4105.4105.4105.4105.0105.0105.1105.10.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value582589587587552419419419209199177176176175175174173125123122122605959565654535153525251505048
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value582581579579544413413412205195173172172172171170170125119119118585757545452515151505049494947
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value8000000.0533000.064000.032000.0400000.01500000.01500000.01400000.010000.013000.05000.04000.05000.055170.051593.047886.06742700.028716.049754.026376.023760.051855.022956.014532.035094.023351.044642.04530400.04291.069359.030586.0124950.01931800.01913100.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value-0.921.2-0.040.982.080.080.50.231.21.260.590.091.531.951.331.191.470.811.530.850.99-0.140.930.780.740.530.911.410.850.570.970.90.720.440.170.07-0.680.470.60.580.570.480.520.460.460.51
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
Value-0.921.19-0.040.972.050.080.490.231.181.240.570.091.51.911.31.161.440.791.490.830.97-0.140.90.760.720.510.881.360.820.560.930.870.70.420.170.07-0.680.450.570.550.540.460.50.440.450.49
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

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
Value-472.0538326161456-93.01981215766162647.02872892182132761541831482023.0103958563106795134525130227.5484.679-35.3942432282923182224
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 RevenueFromContractWithCustomerExcludingAssessedTax-1.61.90.02.25.7-0.41.00.73.33.71.60.02.22.31.71.92.41.31.51.41.90.01.61.61.51.22.31.81.31.01.81.81.10.90.30.2-1.71.42.12.22.31.91.62.02.3

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
Value0-2000000.0-7000000.0-3000000.0-4000000.00-7000000.01000000.0-3000000.0-3000000.00-3000000.0-1000000.0-2000000.0-7000000.0-4000000.0-2000000.0-7000000.0-2000000.01000000.0-1000000.01000000.001000000.001000000.0-2158000.0-3469000.0-737000.0-636000.01642000.0-459000.0-473000.0-91000.0-4422000.0-3524000.0-3833000.0-1375000.0-4862000.0774000.0-311000.0-922000.05950000.0-538000.01729000.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest0.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.00.0-0.0-0.00.0-0.00.0-0.0-0.00.0-0.0-0.0-0.0-0.1-0.0-0.0-0.1-0.00.0-0.00.00.00.00.00.0-0.0-0.1-0.0-0.00.1-0.0-0.0-0.0-0.2-0.1-0.2-0.1-0.30.1-0.0-0.10.5-0.00.2

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-472.0536256131452-93.01911225736132644.02862872112092741471811492014.0103968564104765034545130223.1261.155-39.2272328272922232326
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.61.90.02.25.6-0.41.00.73.33.61.60.02.22.31.61.82.41.31.51.41.80.11.61.61.51.22.21.81.31.01.81.81.10.90.10.0-1.91.31.92.12.21.82.02.12.5

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value11071048784861833825687619615544563622658543513437456
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.83.70.03.13.23.43.63.43.63.23.44.15.14.34.03.84.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3144328929282732822925694258371858618800177131775916171161411369212654126251155811516114841139010504105206933608256385333500245314243393133892599272126582605238324752157167714591253125911771135108110351039
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax108.9102.90.0102.899.9106.998.5103.2102.4105.597.7105.1106.3100.898.6101.2100.798.095.696.896.599.796.596.996.997.595.997.597.798.088.797.197.598.599.5101.1102.298.096.996.395.896.896.196.496.197.2

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302021-02-282021-03-312020-12-312020-09-302020-06-302020-02-292020-03-312019-06-302019-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value0.046-46.0-17.00.00.0-44.0-44.00.00.00.00.00.00.00.0-8.488
Percentage of GainsLossesOnExtinguishmentOfDebt0.0100.0100.0100.00.00.0100.0100.00.00.00.00.00.00.00.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0-0.20.00.00.00.0-0.20.00.00.00.00.00.00.0-0.6

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Gains
Period End2020-12-31
Value-17.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SubsequentEvent0.0

Income Loss From Continuing Operations

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperations


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-535.06995681206469549552219300340230205254139255146170-16.0112928864106814733474939239.0613.819-34.999233028282325222220
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.92.52.14.70.20.52.93.10.12.32.71.81.82.21.22.11.31.6-0.21.81.61.61.22.21.91.21.01.61.81.40.90.40.2-1.71.42.02.22.22.02.22.02.11.9

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-542.0941-74.07721944131260175662685357244745131683264212194803183572.021718017212819310491678680643710-9.252-47.44344646443743364132
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.93.30.02.87.60.51.41.03.84.12.20.23.74.11.32.93.71.94.02.93.30.03.43.13.12.54.12.42.32.02.92.92.41.40.4-0.4-2.22.03.13.63.43.13.73.23.93.1

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-7.0244-55.02077428558791701661168.0175175-55.0125169872231711881710587846389264434353125155.739-9.547-8.608121718161416131712
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.90.00.82.90.40.30.41.01.00.70.11.41.4-0.41.11.50.71.91.61.70.21.71.51.51.21.90.61.11.01.21.10.90.60.2-0.4-0.40.71.11.41.21.21.41.21.61.2

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value38620271845723.01011303756.01081451941.01381532032.016217218933998412124695788214319192.2058.8761.60711200.4489.885309.5679.53116198.272
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.30.10.03.10.30.00.50.72.20.00.70.91.50.01.11.31.80.01.41.61.70.51.61.42.20.51.51.32.20.61.50.70.70.10.40.10.61.20.00.82.30.80.81.51.80.8

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
Value163170177184187180113991019998978068666562627557523311111110.0109.2828.6047.0236.6966.6037.0336.6256.0674.8554.7394.7994.7974.5725.2565.6955.4524.8583.8693.813
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 RevenueFromContractWithCustomerExcludingAssessedTax0.60.60.00.70.70.70.60.50.60.60.60.60.60.50.50.60.50.50.60.50.50.50.20.20.20.20.20.20.20.20.20.20.30.30.30.20.20.30.30.40.40.50.50.40.40.4

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
Value2251302461192561041618145871108357732711127725277333.0271.0252.0221.463141.648131.568131.419.4781.8158.7231.589114.275101.7147.7952.1816.9750.345
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 RevenueFromContractWithCustomerExcludingAssessedTax0.80.50.00.41.00.40.90.40.30.50.70.50.40.60.21.00.20.60.40.70.30.00.40.00.50.00.50.00.40.00.50.10.50.10.40.10.40.10.70.30.80.10.70.20.60.0

Litigation Settlement Expense

us-gaap:LitigationSettlementExpense

us-gaap:LitigationSettlementExpense


Litigation
Period End2021-06-30
Value1250
Percentage of LitigationSettlementExpense100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.3

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-535.0699-12.05681206462099549552224119300340230205254139261145169-17.0111938863107824832534939239.0613.819-34.999233028282325222224
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.92.50.02.14.70.21.10.52.93.11.50.12.32.71.81.82.21.22.21.31.6-0.21.81.61.61.22.31.91.21.01.81.81.40.90.40.2-1.71.42.02.22.22.02.22.02.12.2

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0-2000000.0-7000000.0-3000000.0-4000000.00-7000000.01000000.0-3000000.0-3000000.00-3000000.0-1000000.0-2000000.0-7000000.0-4000000.0-2000000.0-7000000.0-2000000.01000000.0-1000000.01000000.001000000.001000000.0-2158000.0-3469000.0-737000.0-636000.01642000.0-459000.0-473000.0-91000.0-4422000.0-3524000.0-3833000.0-1375000.0-848000.0-774000.0-311000.0-922000.0-5950000.0538000.01729000.0248000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest0.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.00.0-0.0-0.00.0-0.00.0-0.0-0.00.0-0.0-0.0-0.0-0.1-0.0-0.0-0.1-0.00.0-0.00.00.00.00.00.0-0.0-0.1-0.0-0.00.1-0.0-0.0-0.0-0.2-0.1-0.2-0.1-0.1-0.1-0.0-0.1-0.50.00.20.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-418.01054158612018188277176643685388414895401813404382405213423772022018317312919310792708882674013-27.641-46.746344748553945404129
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 RevenueFromContractWithCustomerExcludingAssessedTax-1.43.70.03.17.80.81.51.03.74.12.30.33.84.31.43.03.82.04.43.23.50.33.53.13.12.54.12.52.32.03.02.92.51.50.5-1.1-2.22.03.13.74.23.23.93.63.92.8

us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments

cnc:ManagedCare


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-415.095617888190921721938558761532792421470118238374187459304337-19.0173138
Percentage of OperatingIncomeLoss99.390.7113.3103.194.6115.479.1218.891.389.884.3224.486.187.065.270.085.477.988.188.989.4-95.078.675.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.43.40.03.27.40.91.22.13.43.72.00.63.33.70.92.13.31.63.92.83.1-0.32.72.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cnc:ManagedCare0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cnc:SpecialtyServices


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-3.098-2.0-27.0109-29.058-209.0567061-51.068706310264536238403947451425322627-18.289203.386101211104.546
Percentage of OperatingIncomeLoss0.79.3-13.3-3.15.4-15.420.9-118.88.710.215.7-124.413.913.034.830.014.622.111.911.110.6195.021.424.617.238.881.3202.1-100.339.159.17.120.923.128.223.811.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.30.0-0.10.4-0.10.3-1.10.30.40.4-0.30.50.60.50.90.60.50.50.40.40.60.70.80.51.01.21.11.1-0.91.20.20.81.00.90.90.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cnc:SpecialtyServices0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value2.0-5.01110.01.0-7.05.0-7.00.00.0-2.0-1.0-2.01.01.01.03.01.0-2.0-1.0-1.01.0-1.00.01.0-5.0-0.666-0.3340.00.00.00.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.00.00.00.0-0.00.0-0.00.00.0-0.0-0.0-0.00.00.00.00.00.0-0.0-0.0-0.00.0-0.00.00.0-0.1-0.0-0.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value63-161.04448250-139.0-11.026819423-12.0-13.0-51.0-12.08.02215-82.03.03320
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.2-0.60.00.21.0-0.6-0.10.10.50.60.1-0.1-0.1-0.4-0.10.10.20.1-0.70.00.30.3

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value63-161.048250-139.026819423-12.0-13.0-51.0-12.08.02215-82.03.03320
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.2-0.60.21.0-0.60.10.50.60.1-0.1-0.1-0.4-0.10.10.20.1-0.70.00.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value-535.0697-19.05651202462029649251924116299338223201252132263146168-16.0111948864104794832544839224.6390.295-38.832222928282226232424
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 RevenueFromContractWithCustomerExcludingAssessedTax-1.92.50.02.14.70.21.10.52.83.11.50.12.32.71.71.82.21.12.21.31.5-0.21.81.61.61.22.21.81.20.91.91.71.40.90.20.0-1.81.31.92.22.11.92.22.12.32.3

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2886228114264452745925724241721886318215172991683816559153551287512556128061142111441117241191110846108976953630258215506513147254351402334592931280327252645239624482110171215071302131512161180112110761068
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:ProductOrService

us-gaap:HealthCarePremium


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
Value2762726933255592653724745232141721017472165541620314990146231211311903109601085010905
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax95.795.896.696.696.296.091.295.995.796.290.595.294.194.885.695.095.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax95.795.896.696.696.296.091.295.995.796.290.595.294.194.885.695.095.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:HealthCarePremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service


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
Value12351181886922979958802743745635659732762653633571536
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.34.23.43.43.84.04.34.14.33.84.04.85.95.24.95.04.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.34.23.43.43.84.04.34.14.33.84.04.85.95.24.95.04.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value3102529983282882909027712260251886318976183561844416559161821418113194128061189811954117241191110846108976953630258215506513147254351402334592931280327252645239624482110171215071302131512161180112110761068
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 RevenueFromContractWithCustomerExcludingAssessedTax107.5106.6107.0105.9107.7107.7100.0104.2106.1109.5100.0105.4110.1105.1100.0104.2104.5100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-3124.0-2887.0-3211.0-3091.0-3120.0-2914.0-2724.0-2719.0-2593.0-2484.0-2494.0-2376.0-2364.0-2256.0-2370.0-2378.0-2423.0-2344.0-1625.0-1580.0-1465.0-1482.0-1366.0-1297.0-1202.0-1099.0
Percentage of Revenues-10.1-9.6-11.4-10.6-11.3-11.2-14.4-14.3-14.1-13.5-15.1-14.7-16.7-17.1-18.5-20.0-20.3-20.0-13.6-14.6-13.4-21.3-21.7-22.3-21.8-21.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.8-10.3-12.1-11.3-12.1-12.1-14.4-14.9-15.0-14.8-15.1-15.5-18.4-18.0-18.5-20.8-21.2-20.0-13.6-14.6-13.4-21.3-21.7-22.3-21.8-21.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IntersegmentElimination, cnc:ManagedCare


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2.01.01131041171005444373524262625111111115655543427232624
Percentage of Revenues0.00.00.40.40.40.40.30.20.20.20.10.20.20.20.10.10.10.10.50.50.50.50.40.40.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.40.40.50.40.30.20.20.20.10.20.20.20.10.10.10.10.50.50.50.50.40.40.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination cnc:ManagedCare0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IntersegmentElimination, cnc:SpecialtyServices


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value31222886309829873003281426702675255624492470235023382231235923672412233315691525141114481339127411761075
Percentage of Revenues10.19.611.010.310.810.814.214.113.913.314.914.516.516.918.419.920.219.913.214.112.920.821.221.921.421.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.810.311.710.911.711.614.214.714.814.514.915.318.217.818.420.721.119.913.214.112.920.821.221.921.421.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination cnc:SpecialtyServices0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, cnc:ManagedCare


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value29588286022728928014266232493617926180871750917687158461542013283124741210511259113521112611140100651007463895714530149674636
Percentage of Revenues95.495.496.596.396.195.895.095.395.495.995.795.393.794.594.594.695.094.993.592.892.491.990.791.190.290.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax102.5101.7103.2102.0103.5103.295.099.3101.2105.095.7100.4103.299.394.598.699.294.993.592.892.491.990.791.190.290.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments cnc:ManagedCare0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, cnc:SpecialtyServices


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1437138199910761089108993788984775771376289829763071301730252942239623618232046195418175391594
Percentage of Revenues4.64.63.53.73.94.25.04.74.64.14.34.76.322.624.025.425.325.120.121.87.629.431.031.29.831.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.04.93.83.94.24.55.04.94.94.54.35.07.023.724.026.426.425.120.121.87.629.431.031.29.831.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments cnc:SpecialtyServices0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:StatementBusinessSegments

cnc:ManagedCare


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value29590286032740228118267402503617980181311754617722158701544613309124491209411248113411111511084100101012863555687527849934612
Percentage of Revenues95.495.496.996.796.596.295.395.595.696.195.895.593.994.494.494.594.994.893.192.392.991.490.290.790.789.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax102.5101.7103.6102.4103.9103.695.399.5101.4105.395.8100.6103.499.194.498.599.194.893.192.392.991.490.290.790.789.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cnc:ManagedCare0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cnc:SpecialtyServices


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value455942674097406340923903360735643403320631833112323674571265061360982783622345986155431715519
Percentage of Revenues14.714.214.514.014.815.019.118.818.517.419.219.222.85.65.65.55.15.26.97.720.58.69.89.331.110.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.815.215.514.815.916.119.119.619.719.019.220.325.15.95.65.75.45.26.97.720.58.69.89.331.110.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cnc:SpecialtyServices0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2273236727212507225523841733161715741609155619341237131612601030106510911065940949722
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.98.410.39.18.89.99.28.99.19.69.412.69.610.59.89.09.39.38.98.78.710.4

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
Value715397028568719683646834766431409943425234368335693090131157287432517021855220002184021362201971963419496186527339732270226696583854464682444635293139304528872741269024492283219020372010200319431702
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:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value42488263381777011676
Percentage of Assets61.864.257.553.4
Percentage of Assets61.864.257.553.4
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value454114374942757424854314242739283022181622098219251987820396180351758214979153271531215140141431376213809131995015511349274704394736643076290322851953192219001787173315011304125311331140117211461082
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 Assets63.562.262.262.163.164.369.063.764.365.364.365.562.769.968.569.770.170.970.070.170.870.868.369.870.270.367.667.365.765.364.862.263.165.865.264.461.357.157.255.656.758.559.063.6

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value165261364667474800
Percentage of Liabilities38.748.233.932.0
Percentage of Assets24.033.321.822.0
Percentage of Assets srt:ParentCompany38.951.838.041.1

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value715397028568719683646834766431409943425234368335693090131157287432517021855220002184021362201971963419496186527339732270226696583854464682444635293139304528872741269024492283219020372010200319431702
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

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value42488263381777011676
Percentage of LiabilitiesAndStockholdersEquity61.864.257.553.4
Percentage of Assets61.864.257.553.4
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2591126342257732572525056235491255112311121541154010917106531061075036850664063786070589557105529529721572051194018371744163214761412123411791118985953963951979935902868829793600
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 Assets36.237.537.537.636.735.430.635.935.434.435.334.236.929.831.330.229.228.429.229.128.428.429.428.027.627.429.930.031.531.835.037.636.734.134.835.838.842.942.744.343.241.440.835.3

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value2577312551109176850
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets37.530.635.331.3
Percentage of Assets srt:ParentCompany60.747.761.458.7

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
Value254642444023393272752682224696203231345713596136161199813088123771097687039660964894088365775578537551360535963838359030342767232422811800136813421375137313761073920940766774743656616
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 Assets35.634.834.039.939.237.249.639.339.640.638.842.043.143.639.843.944.244.041.439.540.340.549.149.154.753.652.050.849.651.351.043.644.147.650.151.243.840.342.937.638.537.133.836.2

us-gaap:AssetsCurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Assets
Period End2020-12-312019-12-312018-12-312017-12-31
Value69363106954
Percentage of AssetsCurrent3.031.00.60.6
Percentage of Assets1.015.40.20.2
Percentage of Assets srt:ParentCompany1.624.00.40.5

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-302010-03-312009-12-312008-12-312007-12-31
Value11018962710800121981279893081212362156875634553426847670756684072428144254839393029822710343617601665196716661546152311991218974741688730843796421432573451474492434265350403379268
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.413.715.717.818.714.029.618.120.018.917.322.023.322.518.619.520.322.719.515.213.918.424.022.728.024.926.528.025.627.427.623.622.625.330.829.617.219.026.222.223.624.622.30.00.023.70.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value66862576.06.05.04.0
Percentage of CashAndCashEquivalentsAtCarryingValue6.251.60.10.10.10.2
Percentage of Assets1.015.30.00.00.00.1
Percentage of Assets srt:ParentCompany1.623.80.00.10.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value11195103041095712344129559457121316228689263515350685485345684408942874433485139361838
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.614.715.918.119.014.229.618.220.118.917.322.029.722.618.719.520.322.719.525.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value66862576.06.05.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents6.151.60.10.10.1
Percentage of Assets1.015.30.00.00.0
Percentage of Assets srt:ParentCompany1.623.80.00.10.0

Short Term Investments

us-gaap:ShortTermInvestments

us-gaap:ShortTermInvestments


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1566166215801497155813868638047656977225946025075315955867255054064432691761621401511771661279910212213114613913915212613010678522139
Percentage of ShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.22.42.32.22.32.12.12.32.22.12.31.92.12.02.42.72.73.42.52.12.31.42.42.22.02.33.03.12.72.22.93.94.35.15.15.26.25.56.05.23.92.61.12.3

us-gaap:ShortTermInvestments us-gaap:ConsolidatedEntities

srt:ParentCompany


Short
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.03.02.02.0
Percentage of ShortTermInvestments0.10.30.30.4
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.00.00.00.0

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
Value1678155013171910212726981090832762755784100010011153687829736723832922121213173904884835283243193133202171481641781271239882786869676464
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.32.21.92.83.14.12.72.42.22.22.53.23.54.63.13.83.43.44.14.76.27.15.36.76.97.95.55.96.77.26.24.75.46.24.64.64.03.63.63.43.43.33.33.8

us-gaap:OtherAssetsCurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value24506146
Percentage of OtherAssetsCurrent1.84.67.86.7
Percentage of Assets0.00.10.20.2
Percentage of Assets srt:ParentCompany0.10.20.30.4

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value42513223250616941239869733639581526464
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.27.98.17.86.111.812.618.121.224.123.9

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

cnc:ComputerHardware


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5253783082481791058869575135
Percentage of PropertyPlantAndEquipmentGross12.411.712.314.614.412.112.010.810.09.87.7
Percentage of Assets0.80.91.01.10.91.41.52.02.12.41.8
Percentage of Assets cnc:ComputerHardware0.00.00.00.00.00.00.00.00.00.00.0

cnc:FurnitureAndOfficeEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value600457335186126927053443733
Percentage of PropertyPlantAndEquipmentGross14.114.213.411.010.210.69.58.37.67.27.3
Percentage of Assets0.91.11.10.90.61.31.21.51.61.71.7
Percentage of Assets cnc:FurnitureAndOfficeEquipment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Building


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value891778614367271223208206193186171
Percentage of PropertyPlantAndEquipmentGross21.024.124.521.721.925.728.432.233.235.336.8
Percentage of Assets1.31.92.01.71.33.03.65.87.08.58.8
Percentage of Assets us-gaap:Building0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerSoftwareIntangibleAsset


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value14651018757542377237198184164
Percentage of PropertyPlantAndEquipmentGross34.531.630.232.030.427.327.028.928.4
Percentage of Assets2.12.52.42.51.93.23.45.26.0
Percentage of Assets us-gaap:ComputerSoftwareIntangibleAsset0.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2382022011301131048769704744
Percentage of PropertyPlantAndEquipmentGross5.66.38.07.79.112.011.910.912.19.09.5
Percentage of Assets0.30.50.70.60.61.41.52.02.62.22.3
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5323902912211731088256504438
Percentage of PropertyPlantAndEquipmentGross12.512.111.613.014.012.411.28.98.78.58.2
Percentage of Assets0.81.00.91.00.91.51.41.61.82.02.0
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value14771102800590442351288244203177166157148138103
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.72.62.72.24.84.96.97.48.18.27.87.47.16.1

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1881951921641971666465646562654539393839405243439.06.06.05.07.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2912282227742669254424392121199318781800170615841327125011041003912841797725626580518488462450445424423412395390388382377381379352349345340334326230
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.14.04.03.93.73.75.25.85.55.45.55.14.65.05.14.64.23.93.93.73.23.17.16.76.66.77.67.89.19.311.212.412.813.313.814.215.515.416.017.016.916.716.813.5

Long Term Investments

us-gaap:LongTermInvestments

us-gaap:LongTermInvestments


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value134721324512853985910231105217717791576327186686162725746553553124927481646364545456842303973192719921541152712801108996840791816769748614559630605506530518556595525
Percentage of LongTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.818.818.714.415.015.818.823.122.221.422.220.120.022.024.322.422.121.722.523.321.721.326.327.221.922.821.920.321.318.922.426.025.325.922.420.825.826.523.126.025.827.830.730.9

us-gaap:LongTermInvestments us-gaap:ConsolidatedEntities

srt:ParentCompany


Long
Period End2020-12-312019-12-312018-12-312017-12-31
Value1291301417
Percentage of LongTermInvestments1.01.70.20.3
Percentage of Assets0.20.30.00.1
Percentage of Assets srt:ParentCompany0.30.50.10.1

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

srt:ParentCompany


Investments
Period End2020-12-312019-12-312018-12-312017-12-31
Value41565195611740911303
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0
Percentage of Assets60.547.756.351.7
Percentage of Assets srt:ParentCompany97.874.398.096.8

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312014-01-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1880518788186521796417434174176863687271266981701568035346529547494712471247124712473047074442842849811786754753642657309348347344256256256256281281281281278278224
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.326.727.126.325.526.216.720.120.720.822.721.818.621.021.721.421.622.123.324.124.123.811.511.611.511.712.913.813.714.80.09.911.111.38.99.39.510.512.412.913.814.013.914.313.2

us-gaap:Goodwill us-gaap:StatementBusinessSegments

cnc:ManagedCare


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value169745730568640153689361276151151
Percentage of Goodwill91.083.581.184.578.342.936.643.358.9
Percentage of Assets24.714.018.418.418.34.94.74.35.5
Percentage of Assets cnc:ManagedCare0.015.220.620.120.05.70.00.00.0

cnc:SpecialtyServices


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1678113313297341023481478197104130123113
Percentage of Goodwill9.016.518.915.521.757.163.456.540.946.344.450.5
Percentage of Assets2.42.84.33.45.16.68.25.63.86.06.36.7
Percentage of Assets cnc:SpecialtyServices0.034.340.638.757.747.50.00.027.929.931.530.6

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value806982358388813087028898206320862163220822392423150115191398142814661504154515661609164615516114813112012781854850521920212226272830272922
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.311.712.211.912.713.45.06.16.36.67.27.85.26.06.46.56.77.07.68.08.38.82.12.22.12.02.12.31.71.91.41.61.70.70.70.80.91.11.31.41.51.41.51.3

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8388206322391398154515512048202729
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.25.07.26.47.62.12.11.40.71.31.5

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1297133913111088910852661656632624
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.91.91.61.31.31.61.91.81.9

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1705164215991412156414461249127413431196527437503455454132149121951533343171771301211148014010780591241076564615358585738363036
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.32.32.12.32.23.03.73.93.61.71.41.71.82.10.60.70.60.50.81.71.72.41.81.71.71.42.62.31.81.74.03.52.32.32.32.22.62.72.81.91.81.52.2

us-gaap:OtherAssetsNoncurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value101337278302
Percentage of OtherAssetsNoncurrent6.327.052.866.5
Percentage of Assets0.10.80.91.4
Percentage of Assets srt:ParentCompany0.21.31.62.6

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3173193183175616850.0
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.40.50.50.50.81.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value315317316315559683
Percentage of EquitySecuritiesFvNi99.499.499.499.499.699.7
Percentage of Assets0.40.50.50.50.81.0
Percentage of Assets us-gaap:FairValueInputsLevel10.00.00.00.00.00.0

Accounts Payable And Accrued Liabilities Current

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8053686670697102870485314164401040324641405145503803496241654804423842753763318732183228976103510041002751926670614375270216180191162142158216173152214185132
Percentage of AccountsPayableAndAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.39.810.310.412.712.810.211.711.713.813.114.613.219.719.121.819.420.018.616.216.517.313.314.114.315.012.917.014.313.810.68.67.16.27.06.05.86.99.98.57.610.79.57.8

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value446574523582448526383381253363385328
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.80.80.90.70.80.91.10.71.11.21.5

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value23642222792158521795219182165112932132801265313143119711274198621089093329709896692028623902388147871362935633458334329002634211720211559138613201307119712801034888837730749817765715
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 Assets33.031.731.431.932.132.631.538.836.839.238.740.934.343.342.744.141.143.142.746.045.242.249.448.749.249.949.748.445.245.544.244.243.445.343.747.642.238.938.235.837.340.839.442.1

us-gaap:LiabilitiesCurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value133198109100
Percentage of LiabilitiesCurrent0.61.50.91.1
Percentage of Assets0.20.50.40.5
Percentage of Assets srt:ParentCompany0.30.80.60.9

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value25362978910612988668740384.04.04.04.04.04.04.04.08458454.05.05.05.05.05.05.1316.1356.113.0653.0463.0293.4193.3733.3373.3023.2353.2343.2033.1723.0372.8170.646
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.10.10.10.20.20.20.20.30.10.10.00.00.00.00.00.00.00.04.34.30.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.10.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value200204204198161
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.4

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-12-312015-12-31
Value168801223
Percentage of LongTermDebt100.0100.0
Percentage of Assets24.616.7

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value165361669516682167371670817150136386975704767756648637962755172469547174716464346513744364942761216127611391123888949884810665517548532535391405347348348336302327307
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.123.824.324.524.425.833.320.420.520.221.520.521.820.521.521.421.621.723.019.118.722.916.617.416.216.815.217.418.918.218.916.518.018.519.514.616.615.215.917.116.715.116.918.0

us-gaap:LongTermDebtNoncurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Long
Period End2020-12-312019-12-312018-12-312017-12-31
Value163931341165214624
Percentage of LongTermDebtNoncurrent98.398.398.198.5
Percentage of Assets23.932.721.121.2
Percentage of Assets srt:ParentCompany38.650.936.739.6

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DebtAndCapitalLeaseObligations


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value167891675716779168261681417279137267041713468156686638362795176469947214720464746554589449442801221128111441128893954891817668520551536538395408350351351339330
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.523.824.424.624.626.033.520.620.820.321.620.521.820.621.521.521.621.823.023.423.122.916.617.516.316.815.317.519.018.418.916.618.118.619.714.716.715.316.117.216.917.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312019-12-31
Value143816411534189
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0
Percentage of Assets2.02.32.20.5

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
Value134116112118116107108949494969787771413141414141112112.00.00.0-1.08.1489.7869.5129.3985.5524.0670.8220.711-6.915-3.441-0.590.7851.3891.8382.1943.11618
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.30.30.30.30.30.30.30.30.10.10.10.10.10.10.10.10.10.00.00.0-0.00.10.20.20.30.20.10.00.0-0.3-0.1-0.00.00.10.10.10.21.1

us-gaap:MinorityInterest us-gaap:ConsolidatedEntities

srt:ParentCompany


Minority
Period End2020-12-312019-12-312018-12-312017-12-31
Value1121089614
Percentage of MinorityInterest100.0100.0100.0100.0
Percentage of Assets0.20.30.30.1
Percentage of Assets srt:ParentCompany0.30.40.50.1

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
Value3795313429563953451639381732156123982007125912761898152095290116301295869995134610521702743302381588073706049536055616168675453535359
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 Assets5.34.54.35.86.65.94.24.67.06.04.14.16.66.04.44.17.56.14.35.16.95.62.33.74.73.62.71.51.61.61.71.61.82.12.02.32.53.03.12.72.72.72.73.5

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1324136713341039622
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0
Percentage of Assets1.91.91.91.51.5

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value219219238210
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.30.30.30.3

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value199197209176
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.30.30.30.3

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value162160186150
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.20.20.30.2

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value137136150115
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0100.0
Percentage of Assets0.20.20.20.2

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value696692778514
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0100.0
Percentage of Assets1.01.01.10.8

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value15241571153812371033992783777747739
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.22.21.81.51.51.92.32.22.2

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value1776183318541464
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets2.52.62.72.1

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value252262316227
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.40.40.50.3

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
Value2591126342257732572525056235491255112311121541154010917106531061075036850664063786070589557105529529721572051194018371744163214761412123411791118985953963951979935902868829793600
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 Assets36.237.537.537.636.735.430.635.935.434.435.334.236.929.831.330.229.228.429.229.128.428.429.428.027.627.429.930.031.531.835.037.636.734.134.835.838.842.942.744.343.241.440.835.3

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value2577312551109176850
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets37.530.635.331.3
Percentage of Assets srt:ParentCompany60.747.761.458.7

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value2604526458258852584325172236561265912405122481163411013107501069775806864665363926084590957245540530921682053194018371743164114851422124311851122986953957947979936904870831797619501415
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets36.437.637.737.836.835.630.936.235.634.735.634.537.230.131.430.229.328.529.329.228.428.529.528.027.627.429.930.131.732.035.237.836.934.234.835.638.742.942.844.443.341.541.036.40.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value2588512659110136864
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0
Percentage of Assets37.730.935.631.4
Percentage of Assets srt:ParentCompany60.948.162.058.8

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value239176337293245-5.013414511938-56.0-79.0-67.0-54.0-3.09.01.0-21.0-36.0464310.0-10.0-2.0-4.0-1.0-1.0-0.6052.214-0.614-2.62-1.845-4.0614.95.1896.7025.8426.2375.7616.4787.1835.9696.4247.3483.1521.571
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.90.71.31.11.0-0.01.11.21.00.3-0.5-0.7-0.6-0.7-0.00.10.0-0.3-0.60.80.80.2-0.5-0.1-0.2-0.1-0.1-0.00.1-0.0-0.2-0.2-0.40.50.50.70.60.60.60.70.80.70.81.20.60.4
Percentage of Assets0.30.30.50.40.4-0.00.30.40.30.1-0.2-0.3-0.2-0.2-0.00.00.0-0.1-0.20.20.20.1-0.1-0.0-0.1-0.0-0.0-0.00.0-0.0-0.1-0.1-0.10.20.20.20.20.30.30.30.40.30.30.40.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value1954519500194591939019333192797647757175317491744973957355459243494310425842244190415441194084956909891870840811754739594578563461450458450443421411405396384281263239
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest75.073.775.275.076.881.560.461.061.564.467.668.868.860.663.464.866.669.470.972.674.476.944.144.345.947.448.249.550.852.047.848.850.246.847.347.947.545.345.145.646.647.748.245.552.657.6
Percentage of Assets27.327.728.328.428.329.018.722.121.922.324.123.725.618.219.919.619.519.820.721.221.121.913.012.412.713.014.414.916.116.616.818.418.516.016.417.018.419.419.320.220.219.819.816.60.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value1.01.01.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0610.0610.0610.0590.0580.0580.0550.0550.0540.0540.0540.0540.0530.0530.0530.0520.0460.0450.045
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value134116112118116107108949494969787771413141414141112112.00.00.0-1.08.1489.7869.5129.3985.5524.0670.8220.711-6.915-3.441-0.590.7851.3891.8382.1943.116180.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.50.40.40.50.50.50.90.80.80.80.90.90.81.00.20.20.20.20.20.20.20.20.50.10.00.0-0.10.50.70.70.80.50.40.10.1-0.7-0.4-0.10.10.20.20.30.43.00.00.0
Percentage of Assets0.20.20.20.20.20.20.30.30.30.30.30.30.30.30.10.10.10.10.10.10.10.10.10.00.00.0-0.00.10.20.20.30.20.10.00.0-0.3-0.1-0.00.00.10.10.10.21.10.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value695674916792680462365030498447754680418536633422340331042748251823132059192016551510134113581247115410661003896813764731678629589566557553588564534505477453358275191
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest26.728.326.226.324.821.339.438.538.236.033.331.831.840.940.037.836.233.832.528.927.325.362.660.759.558.057.554.654.853.858.957.356.159.859.458.358.460.160.359.258.157.456.957.954.946.2
Percentage of Assets9.710.79.910.09.17.612.213.913.612.511.911.011.812.312.611.410.69.69.58.47.77.218.517.016.415.917.216.517.417.220.721.620.720.420.720.722.625.825.826.325.223.823.321.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-830.0-826.0-816.0-762.0-758.0-755.0-214.0-180.0-176.0-174.0-139.0-85.0-81.0-139.0-244.0-197.0-194.0-192.0-179.0-145.0-143.0-138.0-147.0-103.0-101.0-98.0-98.0-74.69-94.512-91.655-89.643-75.541-70.969-70.429-69.864-59.277-58.914-58.632-57.123-50.594-50.343-50.888-50.486-47.262-40.996-17.486
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-3.2-3.1-3.2-2.9-3.0-3.2-1.7-1.5-1.4-1.5-1.3-0.8-0.8-1.8-3.6-3.0-3.0-3.2-3.0-2.5-2.6-2.6-6.8-5.0-5.2-5.3-5.6-4.6-6.4-6.4-7.2-6.4-6.3-7.1-7.3-6.2-6.2-6.0-6.1-5.6-5.8-6.1-6.3-7.6-8.2-4.2
Percentage of Assets-1.2-1.2-1.2-1.1-1.1-1.1-0.5-0.5-0.5-0.5-0.4-0.3-0.3-0.6-1.1-0.9-0.9-0.9-0.9-0.7-0.7-0.7-2.0-1.4-1.4-1.5-1.7-1.4-2.0-2.1-2.5-2.4-2.3-2.4-2.5-2.2-2.4-2.6-2.6-2.5-2.5-2.5-2.6-2.80.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1000000.01000000.01000000.00000000000000000000000061000.061000.061000.059000.058000.058000.055000.055000.054000.054000.054000.054000.053000.053000.053000.052000.046000.0
Percentage of CommonStockValue100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value1000000.0000
Percentage of CommonStockValue100.00.00.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1954519500194591939019333192797647757175317491744973957355459243494310425842244190415441194084956909891870840811754739594578563461450458450443421411405396384281
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets27.327.728.328.428.329.018.722.121.922.324.123.725.618.219.919.619.519.820.721.221.121.913.012.412.713.014.414.916.116.616.818.418.516.016.417.018.419.419.320.220.219.819.816.6

us-gaap:AdditionalPaidInCapitalCommonStock us-gaap:ConsolidatedEntities

srt:ParentCompany


Additional
Period End2020-12-312019-12-312018-12-312017-12-31
Value19459764774494349
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0
Percentage of Assets28.318.724.119.9
Percentage of Assets srt:ParentCompany45.829.041.937.2

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
Value695674916792680462365030498447754680418536633422340331042748251823132059192016551510134113581247115410661003896813764731678629589566557553588564534505477453358
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 Assets9.710.79.910.09.17.612.213.913.612.511.911.011.812.312.611.410.69.69.58.47.77.218.517.016.415.917.216.517.417.220.721.620.720.420.720.722.625.825.826.325.223.823.321.1

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidatedEntities

srt:ParentCompany


Retained
Period End2020-12-312019-12-312018-12-312017-12-31
Value6792498436632748
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0
Percentage of Assets9.912.211.912.6
Percentage of Assets srt:ParentCompany16.018.920.623.5

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value239176337293245-5.013414511938-56.0-79.0-67.0-54.0-3.09.01.0-21.0-36.0464310.0-10.0-2.0-4.0-1.0-1.0-0.605-2.62
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.50.40.4-0.00.30.40.30.1-0.2-0.3-0.2-0.2-0.00.00.0-0.1-0.20.20.20.1-0.1-0.0-0.1-0.0-0.0-0.0-0.1

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value337134-56.0-3.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0
Percentage of Assets0.50.3-0.2-0.0
Percentage of Assets srt:ParentCompany0.80.5-0.3-0.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value830826816762758755214180176174139858113924419719419217914514313814710310198987494918975707069595858575050505047
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.21.21.11.11.10.50.50.50.50.40.30.30.61.10.90.90.90.90.70.70.72.01.41.41.51.71.42.02.12.52.42.32.42.52.22.42.62.62.52.52.52.62.8

us-gaap:TreasuryStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Treasury
Period End2020-12-312019-12-312018-12-312017-12-31
Value816214139244
Percentage of TreasuryStockValue100.0100.0100.0100.0
Percentage of Assets1.20.50.41.1
Percentage of Assets srt:ParentCompany1.90.80.82.1

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
Value134116112118116107108949494969787771413141414141112112.00.00.0-1.08.1489.7869.5129.3985.5524.0670.8220.711-6.915-3.441-0.590.7851.3891.8382.1943.11618
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.30.30.30.30.30.30.30.30.10.10.10.10.10.10.10.10.10.00.00.0-0.00.10.20.20.30.20.10.00.0-0.3-0.1-0.00.00.10.10.10.21.1

us-gaap:MinorityInterest us-gaap:ConsolidatedEntities

srt:ParentCompany


Minority
Period End2020-12-312019-12-312018-12-312017-12-31
Value1121089614
Percentage of MinorityInterest100.0100.0100.0100.0
Percentage of Assets0.20.30.30.1
Percentage of Assets srt:ParentCompany0.30.40.50.1

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3651544711734343840373533363730323629325123151716131111119.404108.588.3756.9156.4245.6186.3754.9084.4244.4454.394
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3651544711734343840373533363730323629325123151716131111119.404108.588.3756.9156.4245.6186.3754.9084.4244.4454.394
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value1685432981-952.03714-240.0-651.0-99.09171316-634.0548-526.0184645097-306.012481596480-420.019520162350453694411592521701303742-28.59131722-32.09617236-40.8379319472-59.756-38.5
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.80.211.3-3.514.4-1.0-3.5-0.55.37.8-3.83.6-4.114.73.50.8-2.710.613.44.4-3.92.83.21.16.40.97.810.24.07.35.84.71.41.6-1.213.01.1-1.911.42.8-3.17.716.56.5-5.5-3.6

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-813.0-607.0-4255.0332240-3272.0-144.0-459.0-556.0-373.0-1022.0-2310.0-489.0-764.0-579.0-200.0-157.0-329.0-765.0-313.0-483.0-836.0-44.0-470.0-74.0-225.0-266.555-191.868-239.093-150.484-17.962-48.63-119.231-156.277-49.3672-89.773-120.851-47.925-60.04-9.133-11.978-174.61850-44.88-41.164
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-2.8-2.2-16.11.20.9-13.5-0.8-2.5-3.2-2.2-6.2-15.0-3.8-6.1-4.5-1.8-1.4-2.8-6.4-2.9-4.4-12.0-0.7-8.1-1.3-4.4-5.6-4.4-5.9-4.3-0.6-1.7-4.4-5.9-2.12.9-4.3-7.1-3.2-4.6-0.7-1.0-14.84.5-4.2-3.9

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
Value27-73.0-123.04.0-460.08396704-108.017858152823865513-79.0-42.049-10.01191041772317-62.010625236-75.0997467130143-29.532390.123125-14.5295612-2.0570.72832-24.134169.4482026
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 RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.3-0.50.0-1.83.535.5-0.61.00.30.90.530.04.1-0.6-0.40.4-0.11.01.01.633.3-1.01.80.54.6-1.61.71.73.84.9-1.11.40.05.2-0.62.70.7-0.10.12.5-2.01.40.81.92.4

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value891-653.0-1387.0-611.03498-2674.05903-664.05411001-1504.0-1680.028501595-198.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.1-2.3-5.2-2.213.6-11.131.3-3.63.15.9-9.1-10.922.112.7-1.5

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value-232.0156103-171.0-95.0112130-65.0-33.023-26.0-107.0-26.030-76.026-7.0-51.0109-4.04.0-17.0-3.0-1.0-7.0-6.022-53.673-3.385-7.873-3.919-9.0899.7290.9864.88-28.6823.5095.8552.2543.306-2.829-0.73.305
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value1685432981-952.03714-240.0-651.0-99.09171316-634.0548-526.0184645097-306.012481596480-420.019520162350453694411592521701303742-28.59131722-32.09617236-40.8379319472-59.756-38.5
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.80.211.3-3.514.4-1.0-3.5-0.55.37.8-3.83.6-4.114.73.50.8-2.710.613.44.4-3.92.83.21.16.40.97.810.24.07.35.84.71.41.6-1.213.01.1-1.911.42.8-3.17.716.56.5-5.5-3.6

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-535.0699-12.05681206462099549552224119300340230205254139261145169-17.0111938863107824832534939239.0613.819-34.999233028282325222224
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.92.5-0.02.14.70.21.10.52.93.11.50.12.32.71.81.82.21.22.21.31.6-0.21.81.61.61.22.31.91.21.01.81.81.40.90.40.2-1.71.42.02.22.22.02.22.02.12.2

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-535.0697-19.05651202462029649251924116299338223201252132263146168-16.0111948864104794832544839224.6390.295-38.832222928282226232424
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 RevenueFromContractWithCustomerExcludingAssessedTax-1.92.5-0.12.14.70.21.10.52.83.11.50.12.32.71.71.82.21.12.21.31.5-0.21.81.61.61.22.21.81.20.91.91.71.40.90.20.0-1.81.31.92.22.11.92.22.12.32.3

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value36516354471177134343840383433363730323629325123151716131111119.404108.588.3756.9156.4245.6186.3754.9084.4244.4454.3943.653.3363.4283.46
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-813.0-607.0-4255.0332240-3272.0-144.0-459.0-556.0-373.0-1022.0-2310.0-489.0-764.0-579.0-200.0-157.0-329.0-765.0-313.0-483.0-836.0-44.0-470.0-74.0-225.0-266.555-191.868-239.093-150.484-17.962-48.63-119.231-156.277-49.3672-89.773-120.851-47.925-60.04-9.133-11.978-174.61850-44.88-41.164
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-2.8-2.2-16.11.20.9-13.5-0.8-2.5-3.2-2.2-6.2-15.0-3.8-6.1-4.5-1.8-1.4-2.8-6.4-2.9-4.4-12.0-0.7-8.1-1.3-4.4-5.6-4.4-5.9-4.3-0.6-1.7-4.4-5.9-2.12.9-4.3-7.1-3.2-4.6-0.7-1.0-14.84.5-4.2-3.9

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2501872062512351772001941601761861271442181211209883951174945494331273426231821161910111342141621161512191812
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments

us-gaap:PaymentsToAcquireInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19371653449110624491400501794700580115513166107659844267005949225727442122445642063072762633071671241281793581939515125511797624023276159146
Percentage of PaymentsToAcquireInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value27-73.0-123.04.0-460.08396704-108.017858152823865513-79.0-42.049-10.01191041772317-62.010625236-75.0997467130143-29.532390.123125-14.5295612-2.0570.72832-24.134169.4482026
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 RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.3-0.50.0-1.83.535.5-0.61.00.30.90.530.04.1-0.6-0.40.4-0.11.01.01.633.3-1.01.80.54.6-1.61.71.73.84.9-1.11.40.05.2-0.62.70.7-0.10.12.5-2.01.40.81.92.4

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value812317242057882542122656839459910185973343131201523036025056019901245192137906205552505004902405006451500.0300.01851400.00.0291127164112022
Percentage of ProceedsFromIssuanceOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value58229524135655910395510694044269273912211980149122936220256018191133173613886734312262535561714265190.751309.3420.77640155200.7950.8080.78262152980.2740.05797
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.029569.03.0558344.02.035544.04.09.0473.02.013342.05.022442.03.04.0230.7632.8572.012144.5720.540.565100.3630.2821.5096.5290.2510.6270.4022.510.1460.0880.48
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value153418982227303
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1124603476285369180144998668
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value3543052772571024.04.03.2747.87133.0365.465
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value736653818611128.1198.3258.521
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnc:AffordableCareActRiskAdjustmentNetPayablesIncreaseDecrease

cnc:AffordableCareActRiskAdjustmentNetPayablesIncreaseDecrease


Affordable
Period End2020-07-31
Value-94.0
Percentage of AffordableCareActRiskAdjustmentNetPayablesIncreaseDecrease100.0

cnc:AffordableCareActRiskCorridorReceivableSettlementNetReinsurancePreTaxBenefit

cnc:AffordableCareActRiskCorridorReceivableSettlementNetReinsurancePreTaxBenefit


Affordable
Period End2020-09-30
Value398
Percentage of AffordableCareActRiskCorridorReceivableSettlementNetReinsurancePreTaxBenefit100.0

cnc:AmountsRecordedAsAnAdjustmentToPremiumRevenuesRelatedToMinimumHBRAndReturnOfPremiumPrograms

cnc:AmountsRecordedAsAnAdjustmentToPremiumRevenuesRelatedToMinimumHBRAndReturnOfPremiumPrograms


Amounts
Period End2021-06-302021-03-312020-06-302020-03-31
Value-148000000.0-202000000.0-15000000.0-31000000.0
Percentage of AmountsRecordedAsAnAdjustmentToPremiumRevenuesRelatedToMinimumHBRAndReturnOfPremiumPrograms100.0100.0100.0100.0

cnc:AmountsrecordedasanadjustmenttopremiumrevenuesrelatedtominimumHBRandreturnofpremiumprograms

cnc:AmountsrecordedasanadjustmenttopremiumrevenuesrelatedtominimumHBRandreturnofpremiumprograms


Amountsrecordedasanadjustmenttopremiumrevenuesrelatedtominimum
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
Value183-51.0-15.0-31.0113-44.0-28.08.02.01.09.0133.0-8.01.03.0-66.011
Percentage of AmountsrecordedasanadjustmenttopremiumrevenuesrelatedtominimumHBRandreturnofpremiumprograms100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnc:GainLossOnExtinguishmentOfDebtIncludingCashPortion

cnc:GainLossOnExtinguishmentOfDebtIncludingCashPortion


Gain
Period End2021-06-302021-03-312020-06-302020-03-31
Value0-46000000.00-44000000.0
Percentage of GainLossOnExtinguishmentOfDebtIncludingCashPortion0.0100.00.0100.0

cnc:HealthInsurerFeeExpense

cnc:HealthInsurerFeeExpense


Health
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value3763763793450.00.00.00.01771781831710.00.00.00.01281291307454545255313131310.00.00.00.0
Percentage of HealthInsurerFeeExpense100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

cnc:IncreaseInOperatingLeaseLiabilityNewLeaseAgreement

cnc:IncreaseInOperatingLeaseLiabilityNewLeaseAgreement


Increase
Period End2020-09-30
Value114
Percentage of IncreaseInOperatingLeaseLiabilityNewLeaseAgreement100.0

cnc:LesseeOperatingLeaseLeaseNotYetCommencedLiability

cnc:LesseeOperatingLeaseLeaseNotYetCommencedLiability


Lessee
Period End2021-06-302021-03-312020-12-31
Value2631-33.0
Percentage of LesseeOperatingLeaseLeaseNotYetCommencedLiability100.0100.0100.0

cnc:PremiumTaxExpense

cnc:PremiumTaxExpense


Premium
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value22361928159513891723162588282211061659801716118954612405105435901103512498450357274239281206160252787168901029423549484837373750412646
Percentage of PremiumTaxExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnc:PremiumTaxRevenue

cnc:PremiumTaxRevenue


Premium
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value216318691843163119881853851761105716069108271306638121347751355912346316215424453583223703091922821077269911039523549484836363751402646
Percentage of PremiumTaxRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.0720.02710.00.0
Percentage of AssetImpairmentCharges0.00.00.0100.00.0100.00.00.0

us-gaap:BusinessAcquisitionsProFormaRevenue us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionsProFormaRevenue

cnc:WellCareHealthPlansInc


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2828829090277122781525811260742532525169
Percentage of BusinessAcquisitionsProFormaRevenue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts

us-gaap:BusinessCombinationAcquisitionRelatedCosts


Business
Period End2020-09-302020-06-30
Value6271
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:ConcentrationRiskByBenchmark, us-gaap:ExternalCreditRatingByGrouping

us-gaap:ConcentrationRiskPercentage1

cnc:RatedSecurities, us-gaap:ExternalCreditRatingInvestmentGrade


Concentration
Period End2021-03-31
Value97.0
Percentage of ConcentrationRiskPercentage1100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3563613432983302881681621581551411391111049791878689787635292926272322212017171715151616161514141413131212
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-8.0-16.010.05.04.0-1.0-6.02.02.00.00.00.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments us-gaap:BusinessAcquisition

us-gaap:FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments

cnc:WellCareHealthPlansInc


Finite
Period End2020-09-30
Value-34000000.0
Percentage of FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments100.0

us-gaap:GainLossOnSaleOfBusiness

us-gaap:GainLossOnSaleOfBusiness


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.011930.00.0
Percentage of GainLossOnSaleOfBusiness0.00.0100.0100.00.00.0

us-gaap:GainLossOnSaleOfBusiness us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

cnc:CenteneIllinoisMedicaidandMedicareAdvantageHealthPlans


Gain
Period End2020-12-312020-09-302020-06-302020-01-23
Value0.00.01193
Percentage of GainLossOnSaleOfBusiness0.00.0100.00.0

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
Value1253321446-2170.060570413164-973.0357-568.0900-1022.0157-152.0462-20.0-237.0303107-43.035-170.043108587826769901025021-22.7453817-16.184-60.8265023-61.00726400.362-43.96940
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:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-131.048-316.0-85.0-39.0-88.01.0128-116.0-22.098-352.0-115.0317
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInHealthCareInsuranceLiabilities

us-gaap:IncreaseDecreaseInHealthCareInsuranceLiabilities


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-80.0405-446.01417-106.0252-513.053310.0548-55.0663232485-47.0163-115.0358130-173.0-8.0196142281392271321928719667-7.73-5.76117-14.254122150100109151113-1.117-0.4364.261-33.129
Percentage of IncreaseDecreaseInHealthCareInsuranceLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value738423415-365.0667361117-801.052234759-666.038847723-736.0322459-217.0-307.0271192-50.0
Percentage of IncreaseDecreaseInOtherNoncurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


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
Value17128721517-105.0-97.0220-33.067-20.0103-63.049-51.010710424-89.0-160.0-33.0-9.035-7.075253.0-19.67853-25.415-3.41160-16.746-14.6585013-10.61823105.1452.6665.637-1.636-6.1723.880.427-1.375
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPremiumsReceivable

us-gaap:IncreaseDecreaseInPremiumsReceivable


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-377.01891-1588.0481-1023.02182757553-896.0662477143377176-699.053755-59.0-980.0-215.09471740.0197.0334219824111984-12.6431456-22.856-93.331111120-2.0-2.84114.216-91.4841062-4.457
Percentage of IncreaseDecreaseInPremiumsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-6000.07474000.0267000.08461000.08309000.07626000.0524000.06340000.06301000.06828000.04253000.04227000.03933000.03769000.0175000.04407000.04063000.03762300.01128500.03537800.03219800.0032003.04010300.03961400.03788600.02033900.02068400.01958600.01877400.027986.02253400.02072600.01909800.02205000.02221300.002383600.044223.02274800.02322400.02061300.052886.01700000.01730800.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNonoperating

us-gaap:InvestmentIncomeNonoperating


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value391031059511316712698120996780654153514541343332158.08.010.09.0105.6767.2524.7244.7544.9464.2864.4713.377234.0455.2913.992.6972.9333.7493.2930.7134.1427.057
Percentage of InvestmentIncomeNonoperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions


Liability
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-16.01264936972.0-4.0556.0-115.013190.00.00.00.00.00.029-9.0921370
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2345715161227642129119636151471548114588136138771129671145610159657994099310950459738411849582353391
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value100978282882907115031242288729456071522-7.029702127731299125551551725
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value243892339122605229322030720420152201540614354138821301212626103801003995739543941393228564837683855311
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LitigationSettlementAmountAwardedToOtherParty us-gaap:LitigationCase, us-gaap:LitigationStatus

us-gaap:LitigationSettlementAmountAwardedToOtherParty

cnc:OhioDepartmentOfMedicaidEtAlVCenteneCorporation, us-gaap:SettledLitigation


Litigation
Period End2021-06-30
Value88
Percentage of LitigationSettlementAmountAwardedToOtherParty100.0

us-gaap:LitigationSettlementAmountAwardedToOtherParty us-gaap:LitigationStatus

us-gaap:SettledLitigation


Litigation
Period End2021-06-30
Value55
Percentage of LitigationSettlementAmountAwardedToOtherParty62.5

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-538.06945621200439549552024215300341231204254139266145168-16.0111938863
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-3.0-5.0-6.0-6.0-3.00.00.0-2.01.0-4.00.01.01.0-1.01.00.00.00.00.0
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest0.6-0.7-1.1-0.5-7.00.00.0-0.40.4-26.70.00.30.4-0.6-6.20.00.00.00.0

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-535.06995681206469549552224119300340230205254139265145169-17.011193
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest99.4100.7101.1100.5107.0100.0100.0100.499.6126.7100.099.799.6100.5100.0100.099.6100.0100.6106.2100.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance


Noncontrolling
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-09-302016-12-312015-12-31
Value219.08.0152.03.0-1.09.0
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-09-302016-12-312015-12-31
Value219.08.0152.03.0-1.09.0
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value6866139687262535049
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value7167786768565453
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax


Other
Period End2020-09-302020-06-302020-03-312019-06-302019-03-31
Value002000000.000
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax0.00.0100.00.00.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value152.04.00.0-1.05.01.0-1.0-1.0-1.00.00.01.00.01.00.02.01.00.0-1.00.00.00.00.0-0.2060.109-0.0290.0450.2540.0940.0270.029
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.00.0100.0100.00.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value76-154.03938248-134.0-5.034809423-12.0-11.0-52.0-13.07.02014-79.05.03418-7.02.0-4.05.00.445-2.3762.7992.051-0.5212.31-8.934-0.261.771-0.163-0.4610.4480.247-0.91.204-0.455-1.685-1.2551.874
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value19-49.01376401125-30.0-4.03.016
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-31
Value-12.0-2.022-24.0-11.011
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.05.08.06.0-11.0-1.0-17.04.0
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherSignificantNoncashTransactionValueOfConsiderationGiven1

us-gaap:OtherSignificantNoncashTransactionValueOfConsiderationGiven1


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.00.00.0115260.00.00.00.00.00.01833240.00.00.00.00.00.00.031050.0-1.00.013-0.412580.01320.0-0.013750.0
Percentage of OtherSignificantNoncashTransactionValueOfConsiderationGiven10.00.00.0100.00.00.00.00.00.00.0100.0100.00.00.00.00.00.00.00.0100.00.0100.00.0100.0100.0100.00.0100.00.0100.0100.00.0

us-gaap:PaymentsForLossesAndLossAdjustmentExpense

us-gaap:PaymentsForLossesAndLossAdjustmentExpense


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value24466229892305221581203472017815723148761434213331130381197810152954996219387953589648436855083905116
Percentage of PaymentsForLossesAndLossAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtExtinguishmentCosts

us-gaap:PaymentsOfDebtExtinguishmentCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.054600.00.0210.00.0
Percentage of PaymentsOfDebtExtinguishmentCosts0.0100.0100.00.00.0100.00.00.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value1.027261.01.092196.00.00.00.03.00.00.00.0170.08.0510.00.00.04.00.5250.4566.0190.00.0020.02.9260.6613.6230.00.00.00.00.1472.996.1050.0
Percentage of PaymentsOfDebtIssuanceCosts100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.00.00.0100.00.0100.0100.00.00.00.0100.0100.0100.0100.00.0100.00.0100.0100.0100.00.00.00.00.0100.0100.0100.00.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireBusinessesGross

cnc:CircleHealth, us-gaap:SubsequentEvent


Payments
Period End2021-07-31
Value700
Percentage of PaymentsToAcquireBusinessesGross100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-18.015810490.0-48.030485.0-1.0320.00.03.1920.0335.374192.019
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.0100.00.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0

us-gaap:PolicyholderBenefitsAndClaimsIncurredHealthCare

us-gaap:PolicyholderBenefitsAndClaimsIncurredHealthCare


Policyholder
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2438923391226052293220307204201522015406143541388213012126261038010039957395439413932285648376838553114767443341813861358533902960274221832298224422672075203618901442130310281035957922893859839
Percentage of PolicyholderBenefitsAndClaimsIncurredHealthCare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromDivestitureOfBusinessesNetOfCashDivested

us-gaap:ProceedsFromDivestitureOfBusinessesNetOfCashDivested


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.010.04560.00.0
Percentage of ProceedsFromDivestitureOfBusinessesNetOfCashDivested0.00.0100.0100.00.00.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value9.0151213157.04.03.07.02.011-1.01.0-2.03.0-4.03.03.0-15.0-6.05.02.035-16.04.0-3.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments


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
Value141813911513164086690256252833638341685427644556434564134970136239020325114216511186981091111289214621215518010414987597545118160174117
Percentage of ProceedsFromSaleMaturityAndCollectionsOfInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfNotesPayable

us-gaap:RepaymentsOfNotesPayable


Repayments
Period End2021-01-01
Value50
Percentage of RepaymentsOfNotesPayable100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-30
Value-84.09629455486318
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value390000.01675000.0531000.0269000.02448000.0348000.0261000.01363000.0274000.0330000.0529000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value9.09.08.07.05.06.06.04.05.04.04.04.03.02.04.02.05.04.01.02.06.03.01.02.02.9152.0082.4091.6681.5134.012.6621.6134.4291.5721.4429.2832.4311.5174.7726.717
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 End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value9.09.08.07.05.06.06.04.05.04.04.04.03.02.04.02.05.04.01.02.06.03.01.02.02.9152.0082.4091.6681.5124.0092.6621.6134.4281.5721.4429.2832.431.5174.7726.716
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense


Supplemental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value248922425522660229562028320866152561549214415143761301912717104461030295599579953095578574843284625478
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense


Supplemental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-503.0-864.0-55.0-24.024-446.0-36.0-86.0-61.0-494.0-7.0-91.0-66.0-263.014-36.0-117.0-235.0-10.0-56.0-77.0-167.0
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired us-gaap:StatementEquityComponents

us-gaap:TreasuryStockSharesAcquired

us-gaap:CommonStock


Treasury
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.010.3160.069-0.0010.291
Percentage of TreasuryStockSharesAcquired100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.060.1560.0810.0479.3080.0820.0390.5360.060.0710.165
Percentage of TreasuryStockSharesAcquired600.049.4117.4-4700.03198.60.00.00.00.00.00.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value4.0299.03.05584.02.035544.04.09.0473.02.013342.05.022442.03.04.0230.7632.8572.012144.5720.540.565100.3630.2821.5096.5290.2511.431-0.402
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Treasury
Period End2021-03-312020-09-302020-03-312011-03-31
Value195.0170.0
Percentage of TreasuryStockValueAcquiredCostMethod65.555.63.0-0.0

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value4.010.04.03.05414.02.035544.04.09.0473.02.013342.05.022442.03.04.0230.7632.8572.012144.5720.540.565100.3630.2821.5096.5290.2511.431-0.402
Percentage of TreasuryStockValueAcquiredCostMethod100.034.544.4100.097.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnc:AffordableCareActCostSharingReductionReceivable

cnc:AffordableCareActCostSharingReductionReceivable


Affordable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value10812010112299967357
Percentage of AffordableCareActCostSharingReductionReceivable100.0100.0100.0100.0100.0100.0100.0100.0

cnc:AffordableCareActCostSharingReductionsPayable

cnc:AffordableCareActCostSharingReductionsPayable


Affordable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1.01.01.01.01.01.01.0107
Percentage of AffordableCareActCostSharingReductionsPayable100.0100.0100.0100.0100.0100.0100.0100.0

cnc:AffordableCareActMinimumMedicalLossRatio

cnc:AffordableCareActMinimumMedicalLossRatio


Affordable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1892352381954884663673014263412651547944221.027131818166.015
Percentage of AffordableCareActMinimumMedicalLossRatio100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnc:AffordableCareActReinsurancePayable

cnc:AffordableCareActReinsurancePayable


Affordable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value15291341122410381918156912391019
Percentage of AffordableCareActReinsurancePayable100.0100.0100.0100.0100.0100.0100.0100.0

cnc:AffordableCareActRiskAdjustmentReceivable

cnc:AffordableCareActRiskAdjustmentReceivable


Affordable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value45737734040041032624591
Percentage of AffordableCareActRiskAdjustmentReceivable100.0100.0100.0100.0100.0100.0100.0100.0

cnc:AffordableCareActRiskCorridorReceivable

cnc:AffordableCareActRiskCorridorReceivable


Affordable
Period End2020-09-302019-12-31
Value4574.0
Percentage of AffordableCareActRiskCorridorReceivable100.0100.0

cnc:DeferredTaxAssetOperatingLeaseLiability

cnc:DeferredTaxAssetOperatingLeaseLiability


Deferred
Period End2020-12-312019-12-312018-12-31
Value3861860.0
Percentage of DeferredTaxAssetOperatingLeaseLiability100.0100.00.0

cnc:DeferredTaxAssetPremiumAndTradeReceivables

cnc:DeferredTaxAssetPremiumAndTradeReceivables


Deferred
Period End2020-12-312019-12-312018-12-31
Value1617876
Percentage of DeferredTaxAssetPremiumAndTradeReceivables100.0100.0100.0

cnc:DeferredTaxLiabilitiesInvestmentUnrealizedGainLoss

cnc:DeferredTaxLiabilitiesInvestmentUnrealizedGainLoss


Deferred
Period End2020-12-312019-12-31
Value10545
Percentage of DeferredTaxLiabilitiesInvestmentUnrealizedGainLoss100.0100.0

cnc:DeferredTaxLiabilitiesRightOfUseAssets

cnc:DeferredTaxLiabilitiesRightOfUseAssets


Deferred
Period End2020-12-312019-12-312018-12-31
Value3371710.0
Percentage of DeferredTaxLiabilitiesRightOfUseAssets100.0100.00.0

cnc:FinanceLeaseLiabilityAndOther

cnc:FinanceLeaseLiabilityAndOther


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
Value1801561531371391191221121384947
Percentage of FinanceLeaseLiabilityAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnc:InvestmentsDebtSecuritiesEquityMethodInvestmentsAndOtherAmortizedCost

cnc:InvestmentsDebtSecuritiesEquityMethodInvestmentsAndOtherAmortizedCost


Investments
Period End2021-06-302021-03-312020-12-31
Value158301578315046
Percentage of InvestmentsDebtSecuritiesEquityMethodInvestmentsAndOtherAmortizedCost100.0100.0100.0

cnc:InvestmentsDebtSecuritiesEquityMethodInvestmentsandOtherAmortizedCost

cnc:InvestmentsDebtSecuritiesEquityMethodInvestmentsandOtherAmortizedCost


Investments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1504612014124931290490478208
Percentage of InvestmentsDebtSecuritiesEquityMethodInvestmentsandOtherAmortizedCost100.0100.0100.0100.0100.0100.0

cnc:InvestmentsDebtSecuritiesEquitySecuritiesAndOtherFairValue

cnc:InvestmentsDebtSecuritiesEquitySecuritiesAndOtherFairValue


Investments
Period End2021-06-302021-03-312020-12-31
Value161501602015493
Percentage of InvestmentsDebtSecuritiesEquitySecuritiesAndOtherFairValue100.0100.0100.0

cnc:InvestmentsDebtSecuritiesEquitySecuritiesandOtherFairValue

cnc:InvestmentsDebtSecuritiesEquitySecuritiesandOtherFairValue


Investments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1549312411128391292192388138
Percentage of InvestmentsDebtSecuritiesEquitySecuritiesandOtherFairValue100.0100.0100.0100.0100.0100.0

cnc:LesseeOperatingLeaseLeasesCommencedLiability

cnc:LesseeOperatingLeaseLeasesCommencedLiability


Lessee
Period End2021-06-30
Value108
Percentage of LesseeOperatingLeaseLeasesCommencedLiability100.0

cnc:LifeInsuranceContractsAndEquityInvestmentsFairValue

cnc:LifeInsuranceContractsAndEquityInvestmentsFairValue


Life
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value108710681006950924878812515
Percentage of LifeInsuranceContractsAndEquityInvestmentsFairValue100.0100.0100.0100.0100.0100.0100.0100.0

cnc:NetBookValueOfCollateralizedProperties us-gaap:LongtermDebtType

cnc:NetBookValueOfCollateralizedProperties

cnc:NonRecourseMortgageNoteDueJanuary12021


Net
Period End2020-12-312012-12-31
Value130164
Percentage of NetBookValueOfCollateralizedProperties100.0100.0

cnc:NotesAcceptedForTenderOfferPrincipalOutstandingPercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType

cnc:NotesAcceptedForTenderOfferPrincipalOutstandingPercentage

cnc:FourPointSevenFivePercentSeniorNotesDueinTwentyTwentyFive, us-gaap:SeniorNotes


Notes
Period End2021-02-28
Value36.0
Percentage of NotesAcceptedForTenderOfferPrincipalOutstandingPercentage100.0

cnc:NotesAcceptedForTenderOfferPrincipalOutstandingPercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

cnc:FourPointSevenFivePercentSeniorNotesDueinTwentyTwentyFive, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Notes
Period End2021-02-22
Value36.0
Percentage of NotesAcceptedForTenderOfferPrincipalOutstandingPercentage0.0

cnc:ReturnofPremiumPayable

cnc:ReturnofPremiumPayable


Returnof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302015-12-31
Value212719351458112312421052824848834718666918529515549614651207
Percentage of ReturnofPremiumPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnc:SeniorNotesTotal

cnc:SeniorNotesTotal


Senior
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value14973149751500615060150661507312010640663916344631062586270448645354558455945394550427042913757937740
Percentage of SeniorNotesTotal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnc:ShortDurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetOther

cnc:ShortDurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetOther


Short
Period End2020-12-31
Value100
Percentage of ShortDurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetOther100.0

cnc:ShortdurationInsuranceContractsIncurredbutNotReportedandExpectedDevelopmentonReportedClaims us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear

cnc:ShortdurationInsuranceContractsIncurredbutNotReportedandExpectedDevelopmentonReportedClaims

us-gaap:HealthInsuranceProductLine, us-gaap:ShortDurationInsuranceContractAccidentYear2019


Shortduration
Period End2020-12-312019-12-31
Value815347
Percentage of ShortdurationInsuranceContractsIncurredbutNotReportedandExpectedDevelopmentonReportedClaims100.0100.0

us-gaap:HealthInsuranceProductLine, us-gaap:ShortDurationInsuranceContractAccidentYear2020


Shortduration
Period End2020-12-31
Value8364
Percentage of ShortdurationInsuranceContractsIncurredbutNotReportedandExpectedDevelopmentonReportedClaims10325.9

us-gaap:HealthInsuranceProductLine, us-gaap:ShortDurationInsuranceContractsAccidentYear2018


Shortduration
Period End2020-12-312019-12-312018-12-31
Value3.0885092
Percentage of ShortdurationInsuranceContractsIncurredbutNotReportedandExpectedDevelopmentonReportedClaims3.71.60.0

us-gaap:AccruedInvestmentIncomeReceivable

us-gaap:AccruedInvestmentIncomeReceivable


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value9291867162
Percentage of AccruedInvestmentIncomeReceivable100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure

us-gaap:AssetsFairValueDisclosure


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value26081245792528723659247132135120559148181520214271129651374314542114279740964396761005288437840741176863902385536753378303028312358218518871698160816521622152112271187122411031052
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value12115111381218413693144951091812343645071216602571175408802594544024620469952164289333430623831220022082501219820061894156615181233995929972935864478493617495471
Percentage of AssetsFairValueDisclosure46.545.348.257.958.751.160.043.546.846.344.054.960.552.045.247.948.651.948.542.541.349.856.457.368.165.166.266.966.469.565.458.657.858.857.756.839.041.550.444.944.8

us-gaap:FairValueInputsLevel2


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value13966134411310399661021810433821683688081766972546203574054825338502349774836455445064349385517021647117411801024937791666653702678680686657749694606607580
Percentage of AssetsFairValueDisclosure53.554.751.842.141.348.940.056.553.253.756.045.139.548.054.852.151.448.151.557.558.750.243.642.731.934.933.833.133.630.534.641.442.241.242.343.261.058.549.655.155.2

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value36533646543140420620021217185216.08.027
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value10.012131310.04.05.06.06.03.01.00.01.01.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax2.73.62.83.02.51.92.52.83.53.54.80.012.53.7

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value221930282310.09.01310.04.01.00.00.01.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax6.05.76.56.55.74.94.56.15.84.74.80.00.03.7

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2031822622362227610811087408.04.04.012
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax55.654.256.354.855.036.954.051.950.947.138.166.750.044.4

us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value11210112912111177697360339.02.03.012
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax30.730.127.728.127.537.434.534.435.138.842.933.337.544.4

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1620272932328.09.07.04.01.00.00.01.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax4.46.05.86.77.915.54.04.24.14.74.80.00.03.7

us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.02.04.04.06.07.01.01.01.01.01.00.00.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.50.60.90.91.53.40.50.50.61.24.80.00.00.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value45991834581899.08.01131911089331
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.02.03.05.013362.00.01.03.04.04.03.01.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax2.22.016.714.722.419.022.20.09.19.74.43.73.23.2

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5.0115.06.08.0131.00.01.02.06.08.07.02.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax11.111.127.817.613.86.911.10.09.16.56.67.47.56.5

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value28648.020321344.05.05.01652444310.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax62.264.644.458.855.270.944.462.545.551.657.140.746.232.3

us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5.0142.03.05.04.01.01.01.03.018352510.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax11.114.111.18.88.62.111.112.59.19.719.832.426.932.3

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5.08.00.02.01.02.03.06.09.014126.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax11.18.10.01.111.125.027.319.49.913.012.919.4

us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.00.00.00.00.00.01.02.03.03.02.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax2.20.00.00.00.00.03.22.22.83.26.5

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FairValueByAssetClass

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:Deposits


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value110911111056105110451010656556
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Investments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value133171328512666969699631033183917652
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis1200.81195.81199.4922.5953.41022.91279.11376.3

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

cnc:RestrictedCashEquivalents


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1776771571461571498.013176.08.07.0182717
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis16.060.914.913.915.014.81.20.00.00.01.40.00.00.0

cnc:RestrictedCertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4.04.01051041041534824794774744334304.04.0
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.40.49.99.910.015.173.50.00.00.077.90.00.00.0

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1175119711548909741050741724709728686598498437
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis106.0107.7109.384.793.2104.0113.00.00.00.0123.40.00.00.0

us-gaap:BankTimeDeposits


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value8282533356840.0
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis7.47.45.03.15.48.30.0

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value809793748567584590380416402378366317296272
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis72.971.470.853.955.958.457.90.00.00.065.80.00.00.0

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value72426944656047224841503636293705358333183190277424412208
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis653.0625.0621.2449.3463.3498.6553.20.00.00.0573.70.00.00.0

us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value33483118297024262429251123202342229022602196223122242085
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis301.9280.6281.2230.8232.4248.6353.70.00.00.0395.00.00.00.0

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value98510661068824888997464486453457452382363337
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis88.895.9101.178.485.098.770.70.00.00.081.30.00.00.0

us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6045159071035975771211221228251362259267311
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis54.546.485.998.593.376.332.20.00.00.065.10.00.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost us-gaap:FairValueByAssetClass

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

us-gaap:Deposits


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value259261816130.00.00.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost100.0100.0100.0100.0100.00.00.00.0

us-gaap:Investments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value364835893460217922002430297429622804247723871773
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost1408.513803.819222.213618.816923.10.00.00.00.00.00.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue us-gaap:FairValueByAssetClass

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:Deposits


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value261261917140.00.00.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue100.0100.0100.0100.0100.00.00.00.0

us-gaap:Investments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value376036373639233823462465306930682888251223621779
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue1440.613988.519152.613752.916757.10.00.00.00.00.00.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost us-gaap:FairValueByAssetClass

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:Deposits


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value478240221275151169106351
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Investments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value524350824748382638473954303431373125311230262424
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost1096.92117.52148.41391.32547.72339.62862.30.00.00.0862.10.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue us-gaap:FairValueByAssetClass

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:Deposits


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value478241223277154172108350
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Investments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value539852274937398939863935310632053179313029982420
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue1129.32168.92213.91440.12588.32287.82875.90.00.00.0856.60.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost us-gaap:FairValueByAssetClass

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

us-gaap:Deposits


Available
Period End2021-06-302020-06-302020-03-312019-12-312018-12-31
Value8.00.00.00.00.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost100.00.00.00.00.0

us-gaap:Investments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value6970817864724881626788129
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost862.50.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue us-gaap:FairValueByAssetClass

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:Deposits


Available
Period End2021-06-302020-06-302020-03-312019-12-312018-12-31
Value8.00.00.00.00.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue100.00.00.00.00.0

us-gaap:Investments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value7473878268745083656989130
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue925.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost us-gaap:FairValueByAssetClass

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:Deposits


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value364845817760881841550205
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Investments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value138814881407133214061239750710683610647474
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost381.3176.1172.2175.3159.6147.3136.40.00.00.0315.60.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue us-gaap:FairValueByAssetClass

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:Deposits


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value365846818761882842550205
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Investments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value139614971414134014141237752711683609646474
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue382.5177.0172.9176.1160.3146.9136.70.00.00.0315.10.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost us-gaap:FairValueByAssetClass

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost

us-gaap:Investments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value29693056297022812446263615851504
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue us-gaap:FairValueByAssetClass

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

us-gaap:Investments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value30063086303223402490263316031488
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByAssetClass

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableforsaleSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value13951138391342710406108651102977687068
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Deposits


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value111211131060105510501014658555
Percentage of AvailableForSaleSecuritiesDebtSecurities8.08.07.910.19.79.28.57.9

us-gaap:Investments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value13634135201310910089103041034485807583
Percentage of AvailableForSaleSecuritiesDebtSecurities97.797.797.697.094.893.8110.5107.3

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:AvailableforsaleSecurities, us-gaap:FairValueInputsLevel1


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value45146248159279779773247
Percentage of AvailableForSaleSecuritiesDebtSecurities3.23.33.65.77.37.20.93.5

us-gaap:AvailableforsaleSecurities, us-gaap:FairValueInputsLevel2


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1350013377129469814100681023276956821
Percentage of AvailableForSaleSecuritiesDebtSecurities96.896.796.494.392.792.899.196.5

us-gaap:Deposits, us-gaap:FairValueInputsLevel1


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value6461049903903900813147122
Percentage of AvailableForSaleSecuritiesDebtSecurities4.67.66.78.78.37.41.91.7

us-gaap:Deposits, us-gaap:FairValueInputsLevel2


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value46664157152150201511433
Percentage of AvailableForSaleSecuritiesDebtSecurities3.30.51.21.51.41.86.66.1

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:AvailableforsaleSecurities, us-gaap:FairValueInputsLevel1, us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value13614516527723811473247
Percentage of AvailableForSaleSecuritiesDebtSecurities1.01.01.22.72.21.00.93.5

us-gaap:AvailableforsaleSecurities, us-gaap:FairValueInputsLevel2, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1184120711648989711018744683
Percentage of AvailableForSaleSecuritiesDebtSecurities8.58.78.78.68.99.29.69.7

us-gaap:AvailableforsaleSecurities, us-gaap:FairValueInputsLevel2, us-gaap:BankTimeDeposits


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value828253335684
Percentage of AvailableForSaleSecuritiesDebtSecurities0.60.60.40.30.50.8

us-gaap:AvailableforsaleSecurities, us-gaap:FairValueInputsLevel2, us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value826801773589599587388361
Percentage of AvailableForSaleSecuritiesDebtSecurities5.95.85.85.75.55.35.05.1

us-gaap:AvailableforsaleSecurities, us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value73877035678949175013496037133146
Percentage of AvailableForSaleSecuritiesDebtSecurities52.950.850.647.346.145.047.844.5

us-gaap:AvailableforsaleSecurities, us-gaap:FairValueInputsLevel2, us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value30233172307025172507255423792187
Percentage of AvailableForSaleSecuritiesDebtSecurities21.722.922.924.223.123.230.630.9

us-gaap:AvailableforsaleSecurities, us-gaap:FairValueInputsLevel2, us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value996107810958539201027471444
Percentage of AvailableForSaleSecuritiesDebtSecurities7.17.88.28.28.59.36.16.3

us-gaap:AvailableforsaleSecurities, us-gaap:FairValueInputsLevel2, us-gaap:USTreasuryAndGovernment


Available
Period End2020-09-302020-06-302020-03-312019-12-312018-12-31
Value5.00.00.00.00.0
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.00.00.00.0

us-gaap:Deposits, us-gaap:FairValueInputsLevel1, us-gaap:CashAndCashEquivalents


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1776771571461571498.08.0
Percentage of AvailableForSaleSecuritiesDebtSecurities1.34.91.21.41.41.40.10.1

us-gaap:Deposits, us-gaap:FairValueInputsLevel1, us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value469372746757743664139114
Percentage of AvailableForSaleSecuritiesDebtSecurities3.42.75.67.36.86.01.81.6

us-gaap:Deposits, us-gaap:FairValueInputsLevel2, us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value4.04.0105104104153482433
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.00.81.01.01.46.26.1

us-gaap:Deposits, us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value30272521181820
Percentage of AvailableForSaleSecuritiesDebtSecurities0.20.20.20.20.20.20.3

us-gaap:Deposits, us-gaap:FairValueInputsLevel2, us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value43233272728309.0
Percentage of AvailableForSaleSecuritiesDebtSecurities3.10.20.20.30.30.30.1

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByAssetClass, us-gaap:FinancialInstrument

us-gaap:AvailableforsaleSecurities, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1184120711648989711018744683
Percentage of AvailableForSaleSecuritiesDebtSecurities8.58.78.78.68.99.29.69.7

us-gaap:AvailableforsaleSecurities, us-gaap:BankTimeDeposits


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value828253335684
Percentage of AvailableForSaleSecuritiesDebtSecurities0.60.60.40.30.50.8

us-gaap:AvailableforsaleSecurities, us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value826801773589599587388361
Percentage of AvailableForSaleSecuritiesDebtSecurities5.95.85.85.75.55.35.05.1

us-gaap:AvailableforsaleSecurities, us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value73877035678949175013496037133146
Percentage of AvailableForSaleSecuritiesDebtSecurities52.950.850.647.346.145.047.844.5

us-gaap:AvailableforsaleSecurities, us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value30233172307025172507255423792187
Percentage of AvailableForSaleSecuritiesDebtSecurities21.722.922.924.223.123.230.630.9

us-gaap:AvailableforsaleSecurities, us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value996107810958539201027471444
Percentage of AvailableForSaleSecuritiesDebtSecurities7.17.88.28.28.59.36.16.3

us-gaap:AvailableforsaleSecurities, us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value13614516528223811473247
Percentage of AvailableForSaleSecuritiesDebtSecurities1.01.01.22.72.21.00.93.5

us-gaap:Deposits, us-gaap:CashAndCashEquivalents


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1776771571461571498.08.0
Percentage of AvailableForSaleSecuritiesDebtSecurities1.34.91.21.41.41.40.10.1

us-gaap:Deposits, us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value4.04.0105104104153482433
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.00.81.01.01.46.26.1

us-gaap:Deposits, us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value30272521181820
Percentage of AvailableForSaleSecuritiesDebtSecurities0.20.20.20.20.20.20.3

us-gaap:Deposits, us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value43233272728309.0
Percentage of AvailableForSaleSecuritiesDebtSecurities3.10.20.20.30.30.30.1

us-gaap:Deposits, us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value469372746757743664139114
Percentage of AvailableForSaleSecuritiesDebtSecurities3.42.75.67.36.86.01.81.6

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

cnc:RestrictedCashEquivalents


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1776771571461571498.013176.08.07.0182717
Percentage of AvailableForSaleSecuritiesDebtSecurities1.34.91.21.41.41.40.10.00.00.00.10.00.00.0

cnc:RestrictedCertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4.04.01051041041534824794774744334304.04.0
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.00.81.01.01.46.20.00.00.06.10.00.00.0

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1184120711648989711018744730714728683594496437
Percentage of AvailableForSaleSecuritiesDebtSecurities8.58.78.78.68.99.29.60.00.00.09.70.00.00.0

us-gaap:BankTimeDeposits


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value8282533356840.0
Percentage of AvailableForSaleSecuritiesDebtSecurities0.60.60.40.30.50.80.0

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value826801773589599587388429411380361309289271
Percentage of AvailableForSaleSecuritiesDebtSecurities5.95.85.85.75.55.35.00.00.00.05.10.00.00.0

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value74177062681449385031497837333810366533423146273424022210
Percentage of AvailableForSaleSecuritiesDebtSecurities53.251.050.747.546.345.148.10.00.00.044.50.00.00.0

us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value34553205309725442535258423882414234922902187219822022087
Percentage of AvailableForSaleSecuritiesDebtSecurities24.823.223.124.423.323.430.70.00.00.030.90.00.00.0

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value996107810958539201027471493457455444368351332
Percentage of AvailableForSaleSecuritiesDebtSecurities7.17.88.28.28.59.36.10.00.00.06.30.00.00.0

us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6055179111039981778212222229251361256264309
Percentage of AvailableForSaleSecuritiesDebtSecurities4.33.76.810.09.07.12.70.00.00.05.10.00.00.0

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

us-gaap:BusinessAcquisitionSharePrice

srt:ScenarioForecast, cnc:MagellanHealth, us-gaap:SubsequentEvent


Business
Period End2021-12-31
Value95.0
Percentage of BusinessAcquisitionSharePrice100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:CashAndCashEquivalentsFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-03-312011-12-312011-09-302011-06-302010-12-31
Value11018962710800121981279893081212362156875634553426847670756684072428144254839393029822710343617601665196716661546152311991218974741688730843432573451474433
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-03-312011-12-312011-09-302010-12-31
Value11018962710800121981279893081212362156875634553426847670756684072428144254839393029822710343617601665196716661546152311991218974741688730843432573451433
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1852261441501401303434551000224424201118672689
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4058105107105102151125170196168662628
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger21.625.772.971.375.078.544.027.517.08.76.95.93.94.1

us-gaap:CommercialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value405313129.03.0214373129140905151
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger21.623.59.08.06.42.36.19.57.35.75.88.17.67.4

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7710024262116481103751010871337180185
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger41.644.216.717.315.012.314.024.237.545.036.030.126.826.9

us-gaap:MunicipalBonds


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value26131.01.01.01118117496806286172175
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger14.15.80.70.70.83.24.011.722.133.325.625.625.4

us-gaap:ResidentialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.02.02.04.04.06.081103163241233178155171
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger1.10.91.42.72.94.623.622.616.310.79.615.923.124.8

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5.06.02.05.07.010.04.04.08.02555402614
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.01.02.03.06.01.00.00.01.02.01.00.00.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss16.750.040.042.960.025.00.00.04.03.62.50.00.0

us-gaap:CommercialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.01.01.01.00.00.00.01.02.04.04.03.01.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss40.016.720.014.30.00.00.012.58.07.310.011.57.1

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.03.01.02.03.04.02.02.03.01225138.04.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss40.050.050.040.042.940.050.050.037.548.045.532.530.828.6

us-gaap:MunicipalBonds


Debt
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.01.00.00.00.00.01.03.01410.06.03.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss20.016.70.00.00.00.012.512.025.525.023.121.4

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4165445316991028129740867036294367722555429340522658
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value272296302198334628153123128221318409355228
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months6.56.617.819.325.815.421.819.629.428.612.49.58.88.6

us-gaap:CommercialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value228245147112147280118562872137174200112
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months5.55.58.710.911.36.916.88.96.49.35.44.14.94.2

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2245271195355462724611922492203921389191317721044
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months53.960.956.153.948.360.227.339.650.550.854.444.643.739.3

us-gaap:MunicipalBonds


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value576759238138162275185120497459115181404943
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months13.817.014.013.412.56.726.319.111.29.623.135.434.635.5

us-gaap:ResidentialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value446442592627684442111261186161109
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months10.79.93.52.52.11.76.36.72.51.62.44.34.04.1

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value40931629511795.04.03.06.036686717
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.01.02.03.010.0301.00.01.02.02.03.03.01.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss2.51.112.510.319.616.820.00.033.333.35.64.44.55.9

us-gaap:CommercialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3.010.05.05.07.0131.00.00.00.02.04.04.01.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss7.510.831.217.213.77.320.00.00.00.05.65.96.05.9

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value26617.018291302.03.02.04.02731356.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss65.065.643.862.156.972.640.075.066.766.775.045.652.235.3

us-gaap:MunicipalBonds


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4.0132.03.05.04.01.01.00.00.04.025197.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss10.014.012.510.39.82.220.025.00.00.011.136.828.441.2

us-gaap:ResidentialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5.08.00.02.00.00.00.00.01.04.04.01.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss12.58.60.01.10.00.00.00.02.85.96.05.9

us-gaap:DebtWeightedAverageInterestRate us-gaap:CreditFacility

us-gaap:DebtWeightedAverageInterestRate

us-gaap:LetterOfCredit


Debt
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.60.0090.00990.01310.01310.01330.01320.01420.01420.01440.01510.0151
Percentage of DebtWeightedAverageInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevolvingCreditFacility


Debt
Period End2020-12-312019-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.250.010.050.04750.04750.04750.0450.0450.04250.04250.0425
Percentage of DebtWeightedAverageInterestRate208.3111.1381.7362.6357.1359.8316.9316.9295.1281.5281.5

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible


Decrease
Period End2020-12-31
Value13
Percentage of DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value26587925585126729361555453
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value11976695293664551911561079576
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal


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
Value12483779410120219.539.0558.7614.841
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value6946611114189.016
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value205113109129156735314121313
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1459712841399.0115.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


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
Value10766784666272753523925
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets


Deferred
Period End2020-12-312019-12-31
Value1805346
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssets100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value27476.0172.01.04.01.6155.8552.622.777
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses


Deferred
Period End2020-12-312019-12-31
Value3326
Percentage of DeferredTaxLiabilitiesPrepaidExpenses100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-31
Value351187
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2020-12-31
Value246
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value906896838796778748664387
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1515807560349206624330241915
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

cnc:ProviderContracts


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value15211590665524143.7671.2410.9310.697
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization10.014.316.118.926.738.732.612.25.14.74.6

us-gaap:CustomerContracts


Finite
Period End2020-12-312019-12-31
Value1046497
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization69.061.6

us-gaap:DevelopedTechnologyRights


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1771117240181.00.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization11.713.812.911.58.71.60.0

us-gaap:TradeNames


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value140805534172.03.02.1851.8831.6081.277
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization9.29.99.89.78.33.27.07.17.78.18.3

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value768
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value710
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value718
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value727
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value762
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value9903287027991747175121716379444744
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

cnc:ProviderContracts


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value526299311274285103103352.7372.7372.578
Percentage of FiniteLivedIntangibleAssetsGross5.310.411.115.716.347.563.244.66.15.85.8

us-gaap:CustomerContracts


Finite
Period End2020-12-312019-12-31
Value81022026
Percentage of FiniteLivedIntangibleAssetsGross81.870.6

us-gaap:DevelopedTechnologyRights


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value3361791801091105.00.0
Percentage of FiniteLivedIntangibleAssetsGross3.46.26.46.26.32.30.0

us-gaap:TradeNames


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value93936136116216312178.6956.4956.4955.595
Percentage of FiniteLivedIntangibleAssetsGross9.512.612.99.39.35.510.410.914.613.712.6

us-gaap:GuaranteeObligationsMaximumExposure us-gaap:GuaranteeObligationsByNature

us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:SuretyBond


Guarantee
Period End2020-12-31
Value1114
Percentage of GuaranteeObligationsMaximumExposure100.0

us-gaap:IncomeTaxExaminationIncreaseDecreaseInLiabilityFromPriorYear

us-gaap:IncomeTaxExaminationIncreaseDecreaseInLiabilityFromPriorYear


Income
Period End2020-12-31
Value27
Percentage of IncomeTaxExaminationIncreaseDecreaseInLiabilityFromPriorYear100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value245243293250
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-06-302021-03-312020-09-30
Value11818649
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:CreditFacility

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LetterOfCredit


Letters
Period End2020-12-31
Value129
Percentage of LettersOfCreditOutstandingAmount100.0

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1276312842124381289911418114137473797574477381683169835003477142864333417042903929376739503863229821442092195017231588139412981111107110781067926919859708607498482471456470
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-31
Value12740128171241512878114011139274537954742873616804695349864758426843164160428239243767395022981723
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LifeInsuranceCorporateOrBankOwnedAmount

us-gaap:LifeInsuranceCorporateOrBankOwnedAmount


Life
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value181172168154146130148128
Percentage of LifeInsuranceCorporateOrBankOwnedAmount100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCredit us-gaap:CreditFacility

us-gaap:LineOfCredit

us-gaap:RevolvingCreditFacility


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value154152979389588934155133572841000.0675150150150100100300185515225
Percentage of LineOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LitigationReserve us-gaap:LitigationStatus

us-gaap:LitigationReserve

us-gaap:PendingLitigation


Litigation
Period End2021-06-30
Value1100
Percentage of LitigationReserve100.0

us-gaap:LoansPayable

us-gaap:LoansPayable


Loans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value187184180177165149140119102786340260.0
Percentage of LoansPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:LoansPayable us-gaap:LongtermDebtType

us-gaap:ConstructionLoanPayable


Loans
Period End2020-12-312019-12-31
Value180140
Percentage of LoansPayable100.0100.0

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtFairValue


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value17717141606619475146761239946934943901672543351336
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value12750
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value97
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value2212
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value113
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value34
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value1674
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value3.33.23.13.74.2
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-312017-12-31
Value461344
Percentage of OperatingLossCarryforwards100.0100.0100.0

us-gaap:ForeignCountry


Operating
Period End2020-12-31
Value20
Percentage of OperatingLossCarryforwards43.5

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312019-12-312017-12-312016-12-31
Value58484237
Percentage of OperatingLossCarryforwards126.1369.295.50.0

us-gaap:OtherNotesPayable

us-gaap:OtherNotesPayable


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value50515253545556575759596061626363646566666768696970707172727374838484858686878889
Percentage of OtherNotesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNotesPayable us-gaap:LongtermDebtType

cnc:NonRecourseMortgageNoteDueJanuary12021


Other
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value505457595960616467
Percentage of OtherNotesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherRestrictedAssetsNoncurrent

us-gaap:OtherRestrictedAssetsNoncurrent


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
Value1112111310601055105010146586556305825555501943140135138137140138137137143115106101981009978574640393934333337262626262220
Percentage of OtherRestrictedAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PremiumsAndOtherReceivablesNet

us-gaap:PremiumsAndOtherReceivablesNet


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1120211601969611670103391130462475606519458195150464740673648341339553901312130983445348825291279128112481245912685610570428355357320263316400278157139152132136103
Percentage of PremiumsAndOtherReceivablesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccounts

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccounts


Premiums
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value243157123242910.05.01.1180.7810.6390.5920.5740.0170.0171.3381.304
Percentage of PremiumsReceivableAllowanceForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount


Redeemable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value83787736333633312210.010.011118.012201361381451481471441561561551551481401191200.0
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount us-gaap:ConsolidatedEntities

srt:ParentCompany


Redeemable
Period End2020-12-312019-12-312018-12-312017-12-31
Value773310.012
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount100.0100.0100.0100.0

us-gaap:ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments

us-gaap:ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments


Reinsurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value2325232117212021192027301713181710.08.05.00.00.00.00.00.0
Percentage of ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedCashAndCashEquivalents


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1776771571461571498.013176.08.07.0182716176.08.0126.078
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeniorNotes us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:SeniorNotes

cnc:A1200MillionSeniorNotesDueApril2025, us-gaap:SeniorNotes


Senior
Period End2020-09-302020-06-302020-03-312019-12-31
Value1245124812500.0
Percentage of SeniorNotes100.0100.0100.00.0

cnc:A3.375SeniorNotesDue2030, us-gaap:SeniorNotes


Senior
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2000200020002000200020000.0
Percentage of SeniorNotes0.00.00.0160.6160.3160.00.0

cnc:FivePointThreeSevenFivePercentSeniorNotesDueInJuneTwentyTwentySix, us-gaap:SeniorNotes


Senior
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value18001800180018001800180018001800180018001800180018000.0
Percentage of SeniorNotes0.00.00.0144.6144.2144.00.00.00.00.00.00.00.00.0

cnc:FourPointSevenFivePercentSeniorNotesDueinTwentyTwentyFive, us-gaap:SeniorNotes


Senior
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
Value22302233223422362228120012001200120012001200120012001200120012001200
Percentage of SeniorNotes0.0179.4179.0178.90.00.00.00.00.00.00.00.00.00.00.00.00.0

cnc:FourPointSevenFivePercentSeniorNotesDueonMayFifteenTwentyTwentyTwo, us-gaap:SeniorNotes


Senior
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
Value100510051007100410041004100510051005100610061006100710071008100810081008500500
Percentage of SeniorNotes80.780.580.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cnc:FourPointSixTwoFivePercentSeniorNotesDueinTwentyTwentyNine, us-gaap:SeniorNotes


Senior
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value35003500350035003500350035000.0
Percentage of SeniorNotes0.00.00.0281.1280.4280.00.00.0

cnc:FourPointTwoFivePercentSeniorNotesDueInTwentyTwentySeven, us-gaap:SeniorNotes


Senior
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value24832483248224812481248024790.0
Percentage of SeniorNotes0.00.00.0199.3198.8198.40.00.0

cnc:SevenHundredFiftyMillion5.375SeniorNotesDueAugust2026, us-gaap:SeniorNotes


Senior
Period End2021-06-302021-03-312020-12-312020-09-30
Value790792794796
Percentage of SeniorNotes0.00.00.063.9

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value7685000.06987000.07365000.04169000.04790300.04122000.04350000.02089600.02058900.02118600.01868000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value62.7456.1947.4269.355.7548.6536.8647.937.2528.5522.62
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet

us-gaap:HealthInsuranceProductLine


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-31
Value22921915006813313398563
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet100.0100.0100.0100.0

us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear

us-gaap:HealthInsuranceProductLine, us-gaap:ShortDurationInsuranceContractAccidentYear2019


Shortduration
Period End2020-12-312019-12-31
Value8269052482
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet36.135.0

us-gaap:HealthInsuranceProductLine, us-gaap:ShortDurationInsuranceContractAccidentYear2020


Shortduration
Period End2020-12-31
Value76722
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet33.5

us-gaap:HealthInsuranceProductLine, us-gaap:ShortDurationInsuranceContractsAccidentYear2018


Shortduration
Period End2020-12-312019-12-312018-12-31
Value698075068244818
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet30.533.833.7

us-gaap:ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet

us-gaap:ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet


Shortduration
Period End2021-06-302021-03-312020-09-30
Value863686308307
Percentage of ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet100.0100.0100.0

us-gaap:ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet

us-gaap:HealthInsuranceProductLine


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-31
Value241534157521139937102831
Percentage of ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet100.0100.0100.0100.0

us-gaap:ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear

us-gaap:HealthInsuranceProductLine, us-gaap:ShortDurationInsuranceContractAccidentYear2019


Shortduration
Period End2020-12-312019-12-31
Value8332959627
Percentage of ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet34.537.9

us-gaap:HealthInsuranceProductLine, us-gaap:ShortDurationInsuranceContractAccidentYear2020


Shortduration
Period End2020-12-31
Value88206
Percentage of ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet36.5

us-gaap:HealthInsuranceProductLine, us-gaap:ShortDurationInsuranceContractsAccidentYear2018


Shortduration
Period End2020-12-312019-12-312018-12-31
Value699995094451309
Percentage of ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet29.032.336.7

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented

us-gaap:HealthInsuranceProductLine


Shortduration
Period End2020-12-31
Value12415
Percentage of ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented100.0

us-gaap:ShortdurationInsuranceContractsNumberOfReportedClaims us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear

us-gaap:ShortdurationInsuranceContractsNumberOfReportedClaims

us-gaap:HealthInsuranceProductLine, us-gaap:ShortDurationInsuranceContractAccidentYear2019


Shortduration
Period End2020-12-312019-12-31
Value515290
Percentage of ShortdurationInsuranceContractsNumberOfReportedClaims100.0100.0

us-gaap:HealthInsuranceProductLine, us-gaap:ShortDurationInsuranceContractAccidentYear2020


Shortduration
Period End2020-12-31
Value542
Percentage of ShortdurationInsuranceContractsNumberOfReportedClaims105.3

us-gaap:HealthInsuranceProductLine, us-gaap:ShortDurationInsuranceContractsAccidentYear2018


Shortduration
Period End2020-12-312019-12-312018-12-31
Value469281266
Percentage of ShortdurationInsuranceContractsNumberOfReportedClaims91.197.10.0

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance


Statutory
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1416387257259515345292284169912799900.61990.5161
Percentage of StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired


Statutory
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5945340732792251225911958516866170.3420.308
Percentage of StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased

us-gaap:StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased


Stock
Period End2020-12-312020-09-302019-12-312018-12-31
Value5.55.488146.7
Percentage of StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased100.0100.0100.0100.0

us-gaap:TreasuryStockShares

us-gaap:TreasuryStockShares


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1616161515156.465.8745.7925.7535.2172.1962.1663.8486.9426.4676.4336.3987336.2152355.6070735.5784275.5027156.5124965.7385435.7243995.6760475.8414482.6905933.4272373.3871353.3539763.1052473.0335273.0222713.0099122.7725922.7629722.7555362.7221082.5434812.5361332.5685162.5552132.41401
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockShares us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-06-302017-03-312016-12-312015-12-312014-12-31
Value1616161515156.465.8745.7925.7535.2172.1962.1663.8486.9426.4336.3987336.2152356.5125.841
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:UnamortizedDebtIssuanceExpense


Unamortized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1551601571421471531436666707579816265667073776467631415161714
Percentage of UnamortizedDebtIssuanceExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value4216149.05.01.0
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-312013-12-312012-12-31
Value3103.2744.095
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0

Line plots across dimensions of each concept


Operating Margin
us-gaap:StatementBusinessSegments
(None,)
Operating  Marginus-gaap: Statement Business Segments
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments
(None,)
Operating Income Lossus-gaap: Statement Business Segments
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:Revenues
us-gaap:StatementBusinessSegments
(None,)
Revenuesus-gaap: Statement Business Segments
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:Goodwill
us-gaap:StatementBusinessSegments
(None,)
Goodwillus-gaap: Statement Business Segments
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components