XML 141 R112.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Segment Reporting - Schedule of segment financial information adjusted (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues | $ 54,424 | $ 47,490 | $ 46,922 | $ 45,743 | $ 48,391 | $ 46,186 | $ 45,689 | $ 44,520 | $ 194,579 | $ 184,786 | $ 177,546
Cost of products sold |  |  |  |  |  |  |  |  | 156,447 | 153,448 | 146,533
Benefit costs |  |  |  |  |  |  |  |  | 6,594 | 2,810 | 2,179
Operating expenses |  |  |  |  |  |  |  |  |  | 18,990 | 18,448
Operating income (loss) | $ 824 | 2,574 | (1,373) | 1,996 | 3,114 | 2,504 | 2,121 | 1,799 | 4,021 | 9,538 | 10,386
Operating Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | 134,128 |  |
Operating Segments | Pharmacy Services |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | 134,128 | 130,601 | 119,965
Cost of products sold |  |  |  |  |  |  |  |  |  | 121,799 | 111,949
Benefit costs |  |  |  |  |  |  |  |  |  | 2,810 | 2,179
Operating expenses |  |  |  |  |  |  |  |  |  | 1,335 | 1,267
Operating income (loss) |  |  |  |  |  |  |  |  | 4,699 | 4,657 | 4,570
Operating Segments | Retail/LTC |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | 83,989 | 79,398 | 81,100
Cost of products sold |  |  |  |  |  |  |  |  |  | 56,066 | 57,339
Benefit costs |  |  |  |  |  |  |  |  |  | 0 | 0
Operating expenses |  |  |  |  |  |  |  |  |  | 16,774 | 16,324
Operating income (loss) |  |  |  |  |  |  |  |  | 620 | 6,558 | 7,437
Operating Segments | Corporate/Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | 606 | 16 | 18
Cost of products sold |  |  |  |  |  |  |  |  |  | 0 | 0
Benefit costs |  |  |  |  |  |  |  |  |  | 0 | 0
Operating expenses |  |  |  |  |  |  |  |  |  | 952 | 918
Operating income (loss) |  |  |  |  |  |  |  |  | (805) | (936) | (900)
Intersegment Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | (29,693) | (25,229) | (23,537)
Cost of products sold |  |  |  |  |  |  |  |  |  | (24,417) | (22,755)
Benefit costs |  |  |  |  |  |  |  |  |  | 0 | 0
Operating expenses |  |  |  |  |  |  |  |  |  | (71) | (61)
Operating income (loss) |  |  |  |  |  |  |  |  | $ (769) | (741) | (721)
As Previously Reported |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  | 184,765 | 177,526
Cost of products sold |  |  |  |  |  |  |  |  |  | 153,410 | 146,490
Benefit costs |  |  |  |  |  |  |  |  |  | 2,810 | 2,179
Operating expenses |  |  |  |  |  |  |  |  |  | 19,028 | 18,491
Operating income (loss) |  |  |  |  |  |  |  |  |  | 9,517 | 10,366
As Previously Reported | Operating Segments | Pharmacy Services |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  | 130,596 | 119,963
Cost of products sold |  |  |  |  |  |  |  |  |  | 121,746 | 111,883
Benefit costs |  |  |  |  |  |  |  |  |  | 2,810 | 2,179
Operating expenses |  |  |  |  |  |  |  |  |  | 1,285 | 1,225
Operating income (loss) |  |  |  |  |  |  |  |  |  | 4,755 | 4,676
As Previously Reported | Operating Segments | Retail/LTC |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  | 79,398 | 81,100
Cost of products sold |  |  |  |  |  |  |  |  |  | 56,081 | 57,362
Benefit costs |  |  |  |  |  |  |  |  |  | 0 | 0
Operating expenses |  |  |  |  |  |  |  |  |  | 16,848 | 16,436
Operating income (loss) |  |  |  |  |  |  |  |  |  | 6,469 | 7,302
As Previously Reported | Operating Segments | Corporate/Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  | 0 | 0
Cost of products sold |  |  |  |  |  |  |  |  |  | 0 | 0
Benefit costs |  |  |  |  |  |  |  |  |  | 0 | 0
Operating expenses |  |  |  |  |  |  |  |  |  | 966 | 891
Operating income (loss) |  |  |  |  |  |  |  |  |  | (966) | (891)
As Previously Reported | Intersegment Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  | (25,229) | (23,537)
Cost of products sold |  |  |  |  |  |  |  |  |  | (24,417) | (22,755)
Benefit costs |  |  |  |  |  |  |  |  |  | 0 | 0
Operating expenses |  |  |  |  |  |  |  |  |  | (71) | (61)
Operating income (loss) |  |  |  |  |  |  |  |  |  | (741) | (721)
Adjustments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  | $ 221 | $ 214 | $ 50 | $ 6 | $ 5 | $ 4 | $ 6 |  | 21 | 20
Cost of products sold |  |  |  |  |  |  |  |  |  | 38 | 43
Benefit costs |  |  |  |  |  |  |  |  |  | 0 | 0
Operating expenses |  |  |  |  |  |  |  |  |  | (38) | (43)
Operating income (loss) |  |  |  |  |  |  |  |  |  | 21 | 20
Adjustments | Operating Segments | Pharmacy Services |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  | 5 | 2
Cost of products sold |  |  |  |  |  |  |  |  |  | 53 | 66
Benefit costs |  |  |  |  |  |  |  |  |  | 0 | 0
Operating expenses |  |  |  |  |  |  |  |  |  | 50 | 42
Operating income (loss) |  |  |  |  |  |  |  |  |  | (98) | (106)
Adjustments | Operating Segments | Retail/LTC |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  | 0 | 0
Cost of products sold |  |  |  |  |  |  |  |  |  | (15) | (23)
Benefit costs |  |  |  |  |  |  |  |  |  | 0 | 0
Operating expenses |  |  |  |  |  |  |  |  |  | (74) | (112)
Operating income (loss) |  |  |  |  |  |  |  |  |  | 89 | 135
Adjustments | Operating Segments | Corporate/Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  | 16 | 18
Cost of products sold |  |  |  |  |  |  |  |  |  | 0 | 0
Benefit costs |  |  |  |  |  |  |  |  |  | 0 | 0
Operating expenses |  |  |  |  |  |  |  |  |  | (14) | 27
Operating income (loss) |  |  |  |  |  |  |  |  |  | 30 | (9)
Adjustments | Intersegment Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  | 0 | 0
Cost of products sold |  |  |  |  |  |  |  |  |  | 0 | 0
Benefit costs |  |  |  |  |  |  |  |  |  | 0 | 0
Operating expenses |  |  |  |  |  |  |  |  |  | 0 | 0
Operating income (loss) |  |  |  |  |  |  |  |  |  | $ 0 | $ 0

X
- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_CostOfGoodsAndServicesSold
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. + References No definition available. + Details
Name: | us-gaap_OperatingExpenses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, after effects of policies assumed or ceded, of expense related to the provision for policy benefits and costs incurred. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.5) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6811-158387 + Details
Name: | us-gaap_PolicyholderBenefitsAndClaimsIncurredNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cvs_PharmacyServicesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cvs_RetailLongTermCareSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_ScenarioPreviouslyReportedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_RestatementAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |