XML 58 R42.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Investments - Unrealized Loss Position (Details) $ in Millions | Mar. 31, 2024 USD ($) security | Dec. 31, 2023 USD ($) security
--- | --- | ---
Number of Securities |  |
Number of Securities, Less than 12 months | security | 2,635 | 1,182
Number of Securities, Greater than 12 months | security | 6,576 | 7,018
Number of Securities | security | 9,211 | 8,200
Fair Value |  |
Fair Value, Less than 12 months | $ 4,578 | $ 1,932
Fair Value, Greater than 12 months | 9,664 | 10,616
Fair Value | 14,242 | 12,548
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 47 | 28
Unrealized Losses, Greater than 12 months | 826 | 808
Unrealized Losses | $ 873 | $ 836
U.S. government securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 210 | 74
Number of Securities, Greater than 12 months | security | 273 | 280
Number of Securities | security | 483 | 354
Fair Value |  |
Fair Value, Less than 12 months | $ 846 | $ 194
Fair Value, Greater than 12 months | 856 | 891
Fair Value | 1,702 | 1,085
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 12 | 2
Unrealized Losses, Greater than 12 months | 54 | 52
Unrealized Losses | $ 66 | $ 54
States, municipalities and political subdivisions |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 260 | 95
Number of Securities, Greater than 12 months | security | 434 | 455
Number of Securities | security | 694 | 550
Fair Value |  |
Fair Value, Less than 12 months | $ 489 | $ 181
Fair Value, Greater than 12 months | 682 | 733
Fair Value | 1,171 | 914
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 3 | 1
Unrealized Losses, Greater than 12 months | 36 | 34
Unrealized Losses | $ 39 | $ 35
U.S. corporate securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 1,413 | 576
Number of Securities, Greater than 12 months | security | 3,995 | 4,120
Number of Securities | security | 5,408 | 4,696
Fair Value |  |
Fair Value, Less than 12 months | $ 1,720 | $ 672
Fair Value, Greater than 12 months | 5,260 | 5,602
Fair Value | 6,980 | 6,274
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 19 | 14
Unrealized Losses, Greater than 12 months | 455 | 432
Unrealized Losses | $ 474 | $ 446
Foreign securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 324 | 160
Number of Securities, Greater than 12 months | security | 915 | 964
Number of Securities | security | 1,239 | 1,124
Fair Value |  |
Fair Value, Less than 12 months | $ 444 | $ 243
Fair Value, Greater than 12 months | 1,299 | 1,407
Fair Value | 1,743 | 1,650
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 7 | 4
Unrealized Losses, Greater than 12 months | 117 | 118
Unrealized Losses | $ 124 | $ 122
Residential mortgage-backed securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 41 | 33
Number of Securities, Greater than 12 months | security | 429 | 461
Number of Securities | security | 470 | 494
Fair Value |  |
Fair Value, Less than 12 months | $ 143 | $ 97
Fair Value, Greater than 12 months | 468 | 517
Fair Value | 611 | 614
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 1 | 1
Unrealized Losses, Greater than 12 months | 61 | 59
Unrealized Losses | $ 62 | $ 60
Commercial mortgage-backed securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 36 | 44
Number of Securities, Greater than 12 months | security | 310 | 287
Number of Securities | security | 346 | 331
Fair Value |  |
Fair Value, Less than 12 months | $ 84 | $ 94
Fair Value, Greater than 12 months | 635 | 581
Fair Value | 719 | 675
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 0 | 2
Unrealized Losses, Greater than 12 months | 93 | 98
Unrealized Losses | $ 93 | $ 100
Other asset-backed securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 351 | 196
Number of Securities, Greater than 12 months | security | 213 | 443
Number of Securities | security | 564 | 639
Fair Value |  |
Fair Value, Less than 12 months | $ 852 | $ 449
Fair Value, Greater than 12 months | 451 | 867
Fair Value | 1,303 | 1,316
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 5 | 4
Unrealized Losses, Greater than 12 months | 10 | 14
Unrealized Losses | $ 15 | $ 18
Redeemable preferred securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 0 | 4
Number of Securities, Greater than 12 months | security | 7 | 8
Number of Securities | security | 7 | 12
Fair Value |  |
Fair Value, Less than 12 months | $ 0 | $ 2
Fair Value, Greater than 12 months | 13 | 18
Fair Value | 13 | 20
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 0 | 0
Unrealized Losses, Greater than 12 months | 0 | 1
Unrealized Losses | $ 0 | $ 1

X
- Definition Debt Securities, Available-For-Sale, Unrealized Loss Position, Fair Value [Abstract] + References No definition available. + Details
Name: | cvs_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueAbstract
Namespace Prefix: | cvs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AvailableForsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-7 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-5 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-5 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-7 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-5 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-5 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without an allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_DomesticCorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ForeignCorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=cvs_OtherAssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_RedeemablePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |