Debt Instrument, Number Of Credit Facilities

No definition available.

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

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB).

+ References

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-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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-Subparagraph (SX 210.5-02(22)(b))
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+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
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+ Details

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

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
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-Section S99
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+ Details

Name:	us-gaap_ShortTermBorrowings
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

No definition available.

+ Details

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

- Definition

Weighted average interest rate of short-term debt outstanding calculated at point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_CommercialPaperMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cvs_RevolvingCreditFacilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cvs_RevolvingCreditFacilityExpiringMay162028Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cvs_RevolvingCreditFacilityExpiringMay162029Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cvs_RevolvingCreditFacilityExpiringMay162030Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_LoansPayableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cvs_TermLoanAgreement364DayMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_FederalHomeLoanBankAdvancesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Borrowings and Credit Agreements - Short-term Borrowings (Details)					12 Months Ended
	Aug. 15, 2025 USD ($)	Dec. 10, 2024 USD ($)	May 09, 2024 USD ($)	Mar. 25, 2024 USD ($)	Dec. 31, 2025 USD ($) facility	Dec. 31, 2024 USD ($)
Short-term Debt [Line Items]
Short-term debt					$ 0	$ 2,119,000,000
Proceeds from debt	$ 4,000,000,000	$ 3,000,000,000	$ 5,000,000,000
Federal Home Loan Bank advances maximum amount available					1,300,000,000
Commercial Paper
Short-term Debt [Line Items]
Short-term debt					$ 0	$ 2,100,000,000
Short-term debt, weighted average interest rate						4.98%
Line of Credit \| Revolving Credit Facilities
Short-term Debt [Line Items]
Number of credit facilities \| facility					3
Line of Credit \| Revolving Credit Facility, Expiring May 16, 2028
Short-term Debt [Line Items]
Short-term debt					$ 0	$ 0
Maximum borrowing capacity					$ 2,500,000,000
Debt instrument term					5 years
Commitment fee percentage					0.03%
Line of Credit \| Revolving Credit Facility, Expiring May 16, 2029
Short-term Debt [Line Items]
Short-term debt					$ 0	0
Maximum borrowing capacity					$ 2,500,000,000
Debt instrument term					5 years
Commitment fee percentage					0.03%
Line of Credit \| Revolving Credit Facility, Expiring May 16, 2030
Short-term Debt [Line Items]
Short-term debt					$ 0	0
Maximum borrowing capacity					$ 2,500,000,000
Debt instrument term					5 years
Commitment fee percentage					0.03%
Loans Payable \| 364-day Term Loan Agreement
Short-term Debt [Line Items]
Short-term debt			$ 0
Debt instrument term				364 days
Debt face amount				$ 3,000,000,000
Federal Home Loan Bank Advances
Short-term Debt [Line Items]
Short-term debt					$ 0	$ 0