XML 60 R49.htm IDEA: XBRL DOCUMENT
v3.25.1

Loans - Consumer Banking Portfolio by Credit Quality Indicator (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | $ 323,598 | $ 327,775
Consumer Banking: |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term Loans by Vintage Year, Year 1 | 9,151 | 30,886
Term Loans by Vintage Year, Year 2 | 28,506 | 16,785
Term Loans by Vintage Year, Year 3 | 15,161 | 14,819
Term Loans by Vintage Year, Year 4 | 13,076 | 10,202
Term Loans by Vintage Year, Year 5 | 8,709 | 3,408
Prior | 3,933 | 1,623
Total Term Loans | 78,536 | 77,723
Revolving Loans | 357 | 365
Revolving Loans Converted to Term | 3 | 4
Total | 78,896 | 78,092
Auto | Consumer Banking: |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term Loans by Vintage Year, Year 1 | 9,111 | 30,743
Term Loans by Vintage Year, Year 2 | 28,376 | 16,707
Term Loans by Vintage Year, Year 3 | 15,083 | 14,726
Term Loans by Vintage Year, Year 4 | 12,989 | 10,153
Term Loans by Vintage Year, Year 5 | 8,663 | 3,356
Prior | 3,434 | 1,144
Total Term Loans | 77,656 | 76,829
Revolving Loans | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 77,656 | 76,829
Retail banking | Consumer Banking: |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term Loans by Vintage Year, Year 1 | 40 | 143
Term Loans by Vintage Year, Year 2 | 130 | 78
Term Loans by Vintage Year, Year 3 | 78 | 93
Term Loans by Vintage Year, Year 4 | 87 | 49
Term Loans by Vintage Year, Year 5 | 46 | 52
Prior | 499 | 479
Total Term Loans | 880 | 894
Revolving Loans | 357 | 365
Revolving Loans Converted to Term | 3 | 4
Total | 1,240 | 1,263
Current | Retail banking | Consumer Banking: |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term Loans by Vintage Year, Year 1 | 40 | 143
Term Loans by Vintage Year, Year 2 | 130 | 78
Term Loans by Vintage Year, Year 3 | 78 | 93
Term Loans by Vintage Year, Year 4 | 87 | 49
Term Loans by Vintage Year, Year 5 | 46 | 51
Prior | 493 | 469
Total Term Loans | 874 | 883
Revolving Loans | 342 | 351
Revolving Loans Converted to Term | 3 | 3
Total | 1,219 | 1,237
30-59 days | Retail banking | Consumer Banking: |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term Loans by Vintage Year, Year 1 | 0 | 0
Term Loans by Vintage Year, Year 2 | 0 | 0
Term Loans by Vintage Year, Year 3 | 0 | 0
Term Loans by Vintage Year, Year 4 | 0 | 0
Term Loans by Vintage Year, Year 5 | 0 | 0
Prior | 1 | 2
Total Term Loans | 1 | 2
Revolving Loans | 9 | 11
Revolving Loans Converted to Term | 0 | 0
Total | 10 | 13
60-89 days | Retail banking | Consumer Banking: |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term Loans by Vintage Year, Year 1 | 0 | 0
Term Loans by Vintage Year, Year 2 | 0 | 0
Term Loans by Vintage Year, Year 3 | 0 | 0
Term Loans by Vintage Year, Year 4 | 0 | 0
Term Loans by Vintage Year, Year 5 | 0 | 0
Prior | 2 | 1
Total Term Loans | 2 | 1
Revolving Loans | 3 | 2
Revolving Loans Converted to Term | 0 | 0
Total | 5 | 3
Greater than 90 days | Retail banking | Consumer Banking: |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term Loans by Vintage Year, Year 1 | 0 | 0
Term Loans by Vintage Year, Year 2 | 0 | 0
Term Loans by Vintage Year, Year 3 | 0 | 0
Term Loans by Vintage Year, Year 4 | 0 | 0
Term Loans by Vintage Year, Year 5 | 0 | 1
Prior | 3 | 7
Total Term Loans | 3 | 8
Revolving Loans | 3 | 1
Revolving Loans Converted to Term | 0 | 1
Total | 6 | 10
Greater than 660 | Auto | Consumer Banking: |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term Loans by Vintage Year, Year 1 | 4,471 | 17,057
Term Loans by Vintage Year, Year 2 | 15,568 | 8,333
Term Loans by Vintage Year, Year 3 | 7,478 | 8,194
Term Loans by Vintage Year, Year 4 | 7,213 | 5,621
Term Loans by Vintage Year, Year 5 | 4,785 | 1,482
Prior | 1,413 | 394
Total Term Loans | 40,928 | 41,081
Revolving Loans | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 40,928 | 41,081
621-660 | Auto | Consumer Banking: |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term Loans by Vintage Year, Year 1 | 1,657 | 5,584
Term Loans by Vintage Year, Year 2 | 5,201 | 3,492
Term Loans by Vintage Year, Year 3 | 3,166 | 2,906
Term Loans by Vintage Year, Year 4 | 2,568 | 1,986
Term Loans by Vintage Year, Year 5 | 1,697 | 667
Prior | 690 | 235
Total Term Loans | 14,979 | 14,870
Revolving Loans | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 14,979 | 14,870
620 or below | Auto | Consumer Banking: |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Term Loans by Vintage Year, Year 1 | 2,983 | 8,102
Term Loans by Vintage Year, Year 2 | 7,607 | 4,882
Term Loans by Vintage Year, Year 3 | 4,439 | 3,626
Term Loans by Vintage Year, Year 4 | 3,208 | 2,546
Term Loans by Vintage Year, Year 5 | 2,181 | 1,207
Prior | 1,331 | 515
Total Term Loans | 21,749 | 20,878
Revolving Loans | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | $ 21,749 | $ 20,878

X
- Definition Financing Receivable, Excluding Accrued Interest, Before Allowance for Credit Loss, Term Loans + References No definition available. + Details
Name: | cof_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossTermLoans
Namespace Prefix: | cof_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable that can be withdrawn, repaid, and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolving
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of revolving financing receivable converted to term loan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated in current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 29 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-29 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_AutomobileLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cof_RetailBankingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=cof_FinancialAssetCurrentAndLessThan30DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditScoreFicoAxis=cof_FICOScoreGreaterThan660Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditScoreFicoAxis=cof_FICOScore621To660Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditScoreFicoAxis=cof_FICOScoreLessThan620Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |