Store Rationalization Charges

No definition available.

Name:	cvs_StoreRationalizationCharges
Namespace Prefix:	cvs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

+ Details

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

- Definition

Amount of cash inflow after closing and debt issuance costs received by a seller-lessee in a sale-leaseback recognized in investing activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 55
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+ Details

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

- Details

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Namespace Prefix:
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Balance Type:
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- Details

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- Details

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Balance Type:
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- Details

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Namespace Prefix:
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Period Type:

Leases Leases - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
Leases Leases - Narrative (Details) - USD ($)	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Lessee, Lease, Description [Line Items]
Sale leaseback transaction, net proceeds, investing activities	$ 0		$ 5,000,000
Sale leaseback transaction, net proceeds, investing activities		$ 0		$ 0
Store rationalization charges	$ 0	$ 0	$ 135,000,000	$ 0
Building \| Minimum
Lessee, Lease, Description [Line Items]
Lease term	15 years		15 years
Building \| Maximum
Lessee, Lease, Description [Line Items]
Lease term	25 years		25 years
Equipment and other assets \| Minimum
Lessee, Lease, Description [Line Items]
Lease term	3 years		3 years
Equipment and other assets \| Maximum
Lessee, Lease, Description [Line Items]
Lease term	10 years		10 years
Retail Long-Term Care Segment
Lessee, Lease, Description [Line Items]
Store rationalization charges			$ 135,000,000