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Effects of Reinsurance (Details) Details 126 false false R127.htm 0000127 - Disclosure - Commitments and Contingencies (Details) Sheet http://www.cvshealth.com/role/CommitmentsandContingenciesDetails Commitments and Contingencies (Details) Details http://www.cvshealth.com/role/CommitmentsandContingencies 127 false false R128.htm 0000128 - Disclosure - Segment Reporting - Retrospective Adjustments to Segment Composition (Details) Sheet http://www.cvshealth.com/role/SegmentReportingRetrospectiveAdjustmentstoSegmentCompositionDetails Segment Reporting - Retrospective Adjustments to Segment Composition (Details) Details 128 false false R129.htm 0000129 - Disclosure - Segment Reporting - Narrative (Details) Sheet http://www.cvshealth.com/role/SegmentReportingNarrativeDetails Segment Reporting - Narrative (Details) Details 129 false false R130.htm 0000130 - Disclosure - Segment Reporting - Reconciliation of Financial Measures of Segments to Consolidated Totals (Details) Sheet http://www.cvshealth.com/role/SegmentReportingReconciliationofFinancialMeasuresofSegmentstoConsolidatedTotalsDetails Segment Reporting - Reconciliation of Financial Measures of Segments to Consolidated Totals (Details) Details 130 false false R131.htm 0000131 - Disclosure - Segment Reporting - Reconciliation from Operating Income to Adjusted Operating Income (Details) Sheet http://www.cvshealth.com/role/SegmentReportingReconciliationfromOperatingIncometoAdjustedOperatingIncomeDetails Segment Reporting - Reconciliation from Operating Income to Adjusted Operating Income (Details) Details 131 false false All Reports Book All Reports [dq-0542-Deprecated-Concept] Concept TreasuryStockShares in us-gaap/2022 used in 2 facts was deprecated in us-gaap/2023 as of 2023 and should not be used. cvs-20230525_d2.htm 4 [dq-0542-Deprecated-Concept] Concept RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty in us-gaap/2022 used in 3 facts was deprecated in us-gaap/2023 as of 2023 and should not be used. cvs-20230525_d2.htm 4 [dq-0542-Deprecated-Concept] Concept RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty in us-gaap/2022 used in 3 facts was deprecated in us-gaap/2023 as of 2023 and should not be used. cvs-20230525_d2.htm 4 [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 4 fact(s) appearing in ix:hidden were eligible for transformation: us-gaap:FiniteLivedIntangibleAssetWeightedAveragePeriodBeforeNextRenewalOrExtension, us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 - cvs-20230525.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-01-04 used for SharePrice with a value of 92.190000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this SharePrice fact are Context: i84ac2198cd22435ba1570e2db00d59e9_I20230104, Unit: usdPerShare, Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-02-07 used for BusinessAcquisitionSharePrice with a value of 39.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this BusinessAcquisitionSharePrice fact are Context: i8941690cb4944d199bf33e6da1cee933_I20230207, Unit: usdPerShare, Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-01-04 used for AcceleratedShareRepurchasesPercentOfNotionalAmountInSharesToBeReceivedAtEndOfProgram with a value of 0.200000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this AcceleratedShareRepurchasesPercentOfNotionalAmountInSharesToBeReceivedAtEndOfProgram fact are Context: i84ac2198cd22435ba1570e2db00d59e9_I20230104, Unit: number, Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-02-07 used for BusinessCombinationTerminationFee with a value of 500000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this BusinessCombinationTerminationFee fact are Context: i8941690cb4944d199bf33e6da1cee933_I20230207, Unit: usd, Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-01-04 used for AcceleratedShareRepurchasesAgreementAmount with a value of 2000000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this AcceleratedShareRepurchasesAgreementAmount fact are Context: i84ac2198cd22435ba1570e2db00d59e9_I20230104, Unit: usd, Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-01-31 used for NumberofReinsuranceContractsEnteredInto with a value of 2 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this NumberofReinsuranceContractsEnteredInto fact are Context: if8b5128a2a36428d980c81abdc2d74c7_D20230101-20230131, Unit: reinsurance_agreement, Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-01-04 used for AcceleratedShareRepurchasesPercentOfNotionalAmountReceivedInShares with a value of 0.800000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this AcceleratedShareRepurchasesPercentOfNotionalAmountReceivedInShares fact are Context: i84ac2198cd22435ba1570e2db00d59e9_I20230104, Unit: number, Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-01-04 used for AcceleratedShareRepurchasesAgreementAmount with a value of 2000000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this AcceleratedShareRepurchasesAgreementAmount fact are Context: i84ac2198cd22435ba1570e2db00d59e9_I20230104, Unit: usd, Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-01-04 used for AcceleratedShareRepurchaseProgramMaximumNumberOfShares with a value of 43400000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this AcceleratedShareRepurchaseProgramMaximumNumberOfShares fact are Context: i84ac2198cd22435ba1570e2db00d59e9_I20230104, Unit: shares, Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-02-07 used for BusinessCombinationConsiderationTransferred1 with a value of 10600000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this BusinessCombinationConsiderationTransferred1 fact are Context: ieaa2442b4a1b43c1a1e9635e5d302668_D20230207-20230207, Unit: usd, Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-02-07 used for BusinessCombinationTerminationFee with a value of 300000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this BusinessCombinationTerminationFee fact are Context: icc5a99c2de364d84899668bcf7f91a6d_I20230207, Unit: usd, Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-01-04 used for PaymentsForAcceleratedShareRepurchasesAmount with a value of 2000000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this PaymentsForAcceleratedShareRepurchasesAmount fact are Context: i25c547443c724d349e0e7af7c9e93168_D20230104-20230104, Unit: usd, Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-01-04 used for AcceleratedShareRepurchasesAgreementAmount with a value of 2000000000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this AcceleratedShareRepurchasesAgreementAmount fact are Context: i84ac2198cd22435ba1570e2db00d59e9_I20230104, Unit: usd, Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-01-31 used for FourYearsReinsuranceAgreementWithUnrelatedInsurer with a value of P4Y and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this FourYearsReinsuranceAgreementWithUnrelatedInsurer fact are Context: if8b5128a2a36428d980c81abdc2d74c7_D20230101-20230131, Unit: (none), Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-01-04 used for AcceleratedShareRepurchasesNumberOfSharesRepurchased with a value of 17400000.000000 and the SubsequentEventTypeAxis is earlier than or the same as the reporting period end date 2023-05-25. The properties of this AcceleratedShareRepurchasesNumberOfSharesRepurchased fact are Context: i84ac2198cd22435ba1570e2db00d59e9_I20230104, Unit: shares, Rule Element Id: 48. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-01-01 used for DividendsPayableAmountPerShare with a value of 0.605000 and the StatementScenarioAxis member ScenarioForecastMember is earlier than or the same as the reporting period end date 2023-05-25. The properties of this DividendsPayableAmountPerShare fact are Context: i500357364f0b4a8aa0660969b4e7e47e_I20230101, Unit: usdPerShare, Rule Element Id: 49. cvs-20230525_d2.htm 4 [dqc-0005-Context-Dates-After-Period-End-Date] The date of 2023-01-31 used for IndividualPublicHealthInsuranceExchangesNumberOfAdditionalStates with a value of 4 and the StatementScenarioAxis member ScenarioForecastMember is earlier than or the same as the reporting period end date 2023-05-25. The properties of this IndividualPublicHealthInsuranceExchangesNumberOfAdditionalStates fact are Context: ie19a1ad3f0604084922f302641035795_D20230101-20230131, Unit: state, Rule Element Id: 49. cvs-20230525_d2.htm 4 cvs-20230525.htm cvs-20230525_d2.htm cvs-20230525.xsd cvs-20230525_cal.xml cvs-20230525_def.xml cvs-20230525_lab.xml cvs-20230525_pre.xml exhibit231-2022restated.htm cvs-20230525_g1.jpg http://fasb.org/srt/2022 http://fasb.org/us-gaap/2022 http://xbrl.sec.gov/dei/2022 true true