Debt Extinguishment Fees

No definition available.

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

- Definition

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

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
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

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Balance Type:	na
Period Type:	duration

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Reflects the difference between the fair value of payments made to legally extinguish a debt and its carrying value at that time. This item excludes the write-off of amounts previously capitalized as debt issuance costs.

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Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Borrowings - Narrative (Details) - USD ($)		1 Months Ended		3 Months Ended		9 Months Ended
Borrowings - Narrative (Details) - USD ($)	Aug. 18, 2021	Aug. 31, 2021	Aug. 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt						$ 987,000,000	$ 7,919,000,000
Loss on early extinguishment of debt				$ 363,000,000	$ 766,000,000	$ 363,000,000	$ 766,000,000
Senior Notes
Debt Instrument [Line Items]
Premium paid in excess of debt principal			$ 706,000,000
Write off of deferred debt issuance cost			47,000,000
Debt Extinguishment Fees			13,000,000
Loss on early extinguishment of debt			766,000,000
Senior Notes \| 2.125% senior notes due September 2031
Debt Instrument [Line Items]
Face amount of debt	$ 1,000,000,000
Debt interest rate	2.125%			2.125%		2.125%
Proceeds from issuance of long-term debt	$ 987,000,000
Senior Notes \| Senior Notes, 4.3%, Due 2028
Debt Instrument [Line Items]
Debt interest rate		4.30%
Aggregate principal of debt extinguished		$ 2,000,000,000
Premium paid in excess of debt principal		332,000,000
Write off of deferred debt issuance cost		26,000,000
Debt Extinguishment Fees		5,000,000
Loss on early extinguishment of debt		$ 363,000,000
Senior Notes \| Outstanding Senior Notes
Debt Instrument [Line Items]
Aggregate principal of debt extinguished			$ 6,000,000,000
Senior Notes \| 4% senior notes due December 2023
Debt Instrument [Line Items]
Debt interest rate			4.00%	4.00%		4.00%
Aggregate principal of debt extinguished			$ 723,000,000
Senior Notes \| 3.7% senior notes due March 2023
Debt Instrument [Line Items]
Debt interest rate			3.70%	3.70%		3.70%
Aggregate principal of debt extinguished			$ 2,300,000,000
Senior Notes \| 4.1% senior notes due March 2025
Debt Instrument [Line Items]
Debt interest rate			4.10%	4.10%		4.10%
Aggregate principal of debt extinguished			$ 3,000,000,000