XML 73 R57.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Share Repurchase Programs (Details) shares in Millions, $ in Millions |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 29, 2016 USD ($) agreement | Jan. 28, 2016 shares | Dec. 11, 2015 USD ($) | May 01, 2015 shares | Jan. 02, 2015 USD ($) | Apr. 30, 2017 shares | Dec. 31, 2017 USD ($) shares | Dec. 31, 2016 USD ($) shares | Dec. 31, 2015 USD ($) shares | Jan. 31, 2017 shares | Nov. 02, 2016 USD ($) | Dec. 14, 2015 shares | Jan. 05, 2015 shares | Dec. 15, 2014 USD ($) | Dec. 17, 2013 USD ($)
2016 Repurchase Program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchase program, authorized amount |  |  |  |  |  |  |  |  |  |  | $ 15,000.0 |  |  |  |
Amount available for repurchases |  |  |  |  |  |  | $ 13,900.0 |  |  |  |  |  |  |  |
2014 Repurchase Program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchase program, authorized amount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000.0 |
Repurchase of common stock (in shares) | shares |  |  |  |  |  |  |  | 47.5 |  |  |  |  |  |  |
Repurchase of common stock |  |  |  |  |  |  |  | $ 4,500.0 |  |  |  |  |  |  |
2014 Repurchase Program | August 29, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of agreements | agreement | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount under ASR agreement | $ 3,600.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
ASR, shares received as a percent of notional amount |  |  |  |  |  |  |  |  |  | 80.00% |  |  |  |  |
Shares repurchased under ASR agreement (in shares) | shares |  |  |  |  |  |  |  |  |  | 36.1 |  |  |  |  |
ASR, shares to be received at end of program as a percent of notional amount |  |  |  |  |  | 20.00% |  |  |  |  |  |  |  |  |
ASR, maximum number of shares (in shares) | shares |  |  |  |  |  | 9.9 |  |  |  |  |  |  |  |  |
Transfer of shares to treasury stock value | 2,900.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
2014 Repurchase Program | December 11, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount under ASR agreement |  |  | $ 725.0 |  |  |  |  |  |  |  |  |  |  |  |
ASR, shares received as a percent of notional amount |  |  |  |  |  |  |  |  |  |  |  | 80.00% |  |  |
Shares repurchased under ASR agreement (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 6.2 |  |  |
ASR, shares to be received at end of program as a percent of notional amount |  | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |
ASR, maximum number of shares (in shares) | shares |  | 1.4 |  |  |  |  |  |  |  |  |  |  |  |  |
Transfer of shares to treasury stock value |  |  | 580.0 |  |  |  |  |  |  |  |  |  |  |  |
2014 Repurchase Program | Forward contract | August 29, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | $ 700.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
2014 Repurchase Program | Forward contract | December 11, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  | $ 145.0 |  |  |  |  |  |  |  |  |  |  |  |
Share Repurchase Program 2016 and 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock (in shares) | shares |  |  |  |  |  |  | 55.4 |  |  |  |  |  |  |  |
Repurchase of common stock |  |  |  |  |  |  | $ 4,400.0 |  |  |  |  |  |  |  |
2013 Repurchase Program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchase program, authorized amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,000.0
2013 Repurchase Program | January 02, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount under ASR agreement |  |  |  |  | $ 2,000.0 |  |  |  |  |  |  |  |  |  |
ASR, shares received as a percent of notional amount |  |  |  |  |  |  |  |  |  |  |  |  | 80.00% |  |
Shares repurchased under ASR agreement (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  | 16.8 |  |
ASR, shares to be received at end of program as a percent of notional amount |  |  |  | 20.00% |  |  |  |  |  |  |  |  |  |  |
ASR, maximum number of shares (in shares) | shares |  |  |  | 3.1 |  |  |  |  |  |  |  |  |  |  |
Transfer of shares to treasury stock value |  |  |  |  | 1,600.0 |  |  |  |  |  |  |  |  |  |
2013 Repurchase Program | Forward contract | January 02, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  |  | $ 400.0 |  |  |  |  |  |  |  |  |  |
2014 and 2013 Repurchase Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock (in shares) | shares |  |  |  |  |  |  |  |  | 48.0 |  |  |  |  |  |
Repurchase of common stock |  |  |  |  |  |  |  |  | $ 5,000.0 |  |  |  |  |  |

X
- Definition Represents the agreement amount under the entity's fixed dollar accelerated share repurchase agreement with Barclays Bank PLC. + References No definition available. + Details
Name: | cvs_AcceleratedShareRepurchasesAgreementAmount
Namespace Prefix: | cvs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Accelerated Share Repurchases, Maximum Number of Shares + References No definition available. + Details
Name: | cvs_AcceleratedShareRepurchasesMaximumNumberofShares
Namespace Prefix: | cvs_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Accelerated Share Repurchases, Number of Agreements + References No definition available. + Details
Name: | cvs_AcceleratedShareRepurchasesNumberofAgreements
Namespace Prefix: | cvs_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of shares of common stock repurchased under the entity's fixed dollar accelerated share repurchase agreement with Barclays Bank PLC. + References No definition available. + Details
Name: | cvs_AcceleratedShareRepurchasesNumberofSharesRepurchased
Namespace Prefix: | cvs_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Accelerated Share Repurchases, Percent of Notional Amount Received in Shares + References No definition available. + Details
Name: | cvs_AcceleratedShareRepurchasesPercentofNotionalAmountReceivedinShares
Namespace Prefix: | cvs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Accelerated Share Repurchases, Percent of Notional Amount in Shares to be Received at End of Program + References No definition available. + Details
Name: | cvs_AcceleratedShareRepurchasesPercentofNotionalAmountinSharestobeReceivedatEndofProgram
Namespace Prefix: | cvs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represent value of shares transferred from trust to treasury shares. + References No definition available. + Details
Name: | cvs_TransferOfSharesToTreasuryStockValue
Namespace Prefix: | cvs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- 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_AcceleratedShareRepurchasesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
Name: | us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockRepurchasedDuringPeriodValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=cvs_ShareRepurchaseProgram2016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=cvs_RepurchaseProgram2014Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AcceleratedShareRepurchasesDateAxis=cvs_August292016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AcceleratedShareRepurchasesDateAxis=cvs_December112015Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeForwardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=cvs_ShareRepurchaseProgram2016and2014Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=cvs_RepurchaseProgram2013Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AcceleratedShareRepurchasesDateAxis=cvs_January022015Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=cvs_A2014and2013RepurchaseProgramsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |