Guarantor Obligations, Number Of Leases

No definition available.

Name:	cvs_GuarantorObligationsNumberOfLeases
Namespace Prefix:	cvs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Litigation Settlement, Number Of States Elected To Join

+ References

No definition available.

+ Details

Name:	cvs_LitigationSettlementNumberOfStatesElectedToJoin
Namespace Prefix:	cvs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Litigation Settlement, Number Of States Under Separate Settlement Agreements

+ References

No definition available.

+ Details

Name:	cvs_LitigationSettlementNumberOfStatesUnderSeparateSettlementAgreements
Namespace Prefix:	cvs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Loss Contingency, Damages Awarded, Penalties, Value

+ References

No definition available.

+ Details

Name:	cvs_LossContingencyDamagesAwardedPenaltiesValue
Namespace Prefix:	cvs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Loss Contingency, Damages Awarded Per Statute, Value

+ References

No definition available.

+ Details

Name:	cvs_LossContingencyDamagesAwardedPerStatuteValue
Namespace Prefix:	cvs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

+ References

+ Details

Name:	us-gaap_LitigationReserve
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-9

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 720
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483359/720-20-50-1

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 27
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482395/460-10-55-27

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-3

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

+ Details

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of damages awarded to the plaintiff in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

+ Details

Name:	us-gaap_LossContingencyDamagesAwardedValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

+ Details

Name:	us-gaap_LossContingencyNewClaimsFiledNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_LitigationCaseAxis=cvs_UnitedStatesExRel.BehnkeV.CVSCaremarkCorporationEtAl.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=cvs_SettlementFrameworkMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=cvs_U.S.ExRel.BassanEtAl.V.OmnicareInc.AndCVSHealthCorp.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=cvs_OmnicareInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=cvs_OmnicareIncAndCVSHealthCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=cvs_StockholderMattersClassActionComplaintsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=cvs_InReCVSHealthCorporationDerivativeLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=cvs_InReCVSHealthCorporationStockholderDerivativeLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=cvs_InReCVSHealthCorporationStockholderDerivativeLitigationAndDavidowV.LynchEtAl.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies (Details) $ in Millions	1 Months Ended		12 Months Ended	21 Months Ended
Commitments and Contingencies (Details) $ in Millions	Jul. 31, 2025 USD ($)	Apr. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)	Mar. 31, 2026 USD ($) lease claim state
Loss Contingencies [Line Items]
Guarantor obligations, number of leases \| lease				59
United States Ex Rel. Behnke v. CVS Caremark Corporation, Et Al.
Loss Contingencies [Line Items]
Damages awarded			$ 291
Settlement Framework
Loss Contingencies [Line Items]
Number of states that elected to join the settlement \| state				45
Number of states under separate settlement agreements \| state				4
Litigation accrual/ reserve				$ 4,000
U.S. ex rel. Bassan et al. v. Omnicare, Inc. and CVS Health Corp.
Loss Contingencies [Line Items]
Litigation accrual/ reserve				$ 165
U.S. ex rel. Bassan et al. v. Omnicare, Inc. and CVS Health Corp. \| Omnicare, Inc.
Loss Contingencies [Line Items]
Damages awarded		$ 136
Damages awarded per statute		$ 407
Penalties awarded	$ 542
U.S. ex rel. Bassan et al. v. Omnicare, Inc. and CVS Health Corp. \| Omnicare, Inc and CVS Health Corporation
Loss Contingencies [Line Items]
Penalties awarded	$ 165
Stockholder Matters, Class Action Complaints
Loss Contingencies [Line Items]
Number of claims filed \| claim				2
In re CVS Health Corporation Derivative Litigation
Loss Contingencies [Line Items]
Number of claims filed \| claim				2
In re CVS Health Corporation Stockholder Derivative Litigation
Loss Contingencies [Line Items]
Number of claims filed \| claim				2
In re CVS Health Corporation Stockholder Derivative Litigation and Davidow v. Lynch, et al.
Loss Contingencies [Line Items]
Number of claims filed \| claim				3