false2026Q1000092762812/31http://fasb.org/us-gaap/2025#OtherLiabilitieshttp://fasb.org/us-gaap/2025#OtherLiabilitieshttp://fasb.org/us-gaap/2025#OtherAssetshttp://fasb.org/us-gaap/2025#OtherAssets620354288365xbrli:sharesiso4217:USDiso4217:USDxbrli:sharescof:segmentxbrli:purecof:security00009276282026-01-012026-03-310000927628us-gaap:CommonStockMember2026-01-012026-03-310000927628cof:SeriesIPreferredStockMember2026-01-012026-03-310000927628cof:SeriesJPreferredStockMember2026-01-012026-03-310000927628cof:SeriesKPreferredStockMember2026-01-012026-03-310000927628cof:SeriesLPreferredStockMember2026-01-012026-03-310000927628cof:SeriesNPreferredStockMember2026-01-012026-03-310000927628cof:SeniorNotesDue2029Member2026-01-012026-03-3100009276282026-04-3000009276282025-01-012025-03-3100009276282026-03-3100009276282025-12-310000927628srt:ParentCompanyMember2026-03-310000927628srt:ParentCompanyMember2025-12-310000927628us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2026-03-310000927628us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2025-12-310000927628us-gaap:PreferredStockMember2025-12-310000927628us-gaap:CommonStockMember2025-12-310000927628us-gaap:AdditionalPaidInCapitalMember2025-12-310000927628us-gaap:RetainedEarningsMember2025-12-310000927628us-gaap:AccumulatedOtherComprehensiveIncomeMember2025-12-310000927628us-gaap:TreasuryStockCommonMember2025-12-310000927628us-gaap:RetainedEarningsMember2026-01-012026-03-310000927628us-gaap:AccumulatedOtherComprehensiveIncomeMember2026-01-012026-03-310000927628us-gaap:CommonStockMember2026-01-012026-03-310000927628us-gaap:AdditionalPaidInCapitalMember2026-01-012026-03-310000927628us-gaap:TreasuryStockCommonMember2026-01-012026-03-310000927628us-gaap:PreferredStockMember2026-03-310000927628us-gaap:CommonStockMember2026-03-310000927628us-gaap:AdditionalPaidInCapitalMember2026-03-310000927628us-gaap:RetainedEarningsMember2026-03-310000927628us-gaap:AccumulatedOtherComprehensiveIncomeMember2026-03-310000927628us-gaap:TreasuryStockCommonMember2026-03-310000927628us-gaap:PreferredStockMember2024-12-310000927628us-gaap:CommonStockMember2024-12-310000927628us-gaap:AdditionalPaidInCapitalMember2024-12-310000927628us-gaap:RetainedEarningsMember2024-12-310000927628us-gaap:AccumulatedOtherComprehensiveIncomeMember2024-12-310000927628us-gaap:TreasuryStockCommonMember2024-12-3100009276282024-12-310000927628us-gaap:RetainedEarningsMember2025-01-012025-03-310000927628us-gaap:AccumulatedOtherComprehensiveIncomeMember2025-01-012025-03-310000927628us-gaap:CommonStockMember2025-01-012025-03-310000927628us-gaap:AdditionalPaidInCapitalMember2025-01-012025-03-310000927628us-gaap:TreasuryStockCommonMember2025-01-012025-03-310000927628us-gaap:PreferredStockMember2025-03-310000927628us-gaap:CommonStockMember2025-03-310000927628us-gaap:AdditionalPaidInCapitalMember2025-03-310000927628us-gaap:RetainedEarningsMember2025-03-310000927628us-gaap:AccumulatedOtherComprehensiveIncomeMember2025-03-310000927628us-gaap:TreasuryStockCommonMember2025-03-3100009276282025-03-310000927628cof:DiscoverMember2026-01-012026-03-310000927628cof:DiscoverMember2024-01-012026-03-310000927628cof:BrexInc.Memberus-gaap:SubsequentEventMember2026-04-072026-04-070000927628cof:BrexInc.Memberus-gaap:SubsequentEventMember2026-04-070000927628us-gaap:USTreasuryAndGovernmentMemberus-gaap:GovernmentContractsConcentrationRiskMembercof:DebtSecuritiesAvailableForSaleMember2026-03-312026-03-310000927628us-gaap:USTreasuryAndGovernmentMemberus-gaap:GovernmentContractsConcentrationRiskMembercof:DebtSecuritiesAvailableForSaleMember2025-12-312025-12-3100009276282026-03-312026-03-3100009276282025-12-312025-12-310000927628us-gaap:USTreasurySecuritiesMember2026-03-310000927628cof:ResidentialMortgageBackedSecuritiesAgencyMember2026-03-310000927628cof:ResidentialMortgageBackedSecuritiesNonagencyMember2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMember2026-03-310000927628cof:CommercialMortgageBackedSecuritiesAgencyMember2026-03-310000927628us-gaap:OtherDebtSecuritiesMember2026-03-310000927628us-gaap:USTreasurySecuritiesMember2025-12-310000927628cof:ResidentialMortgageBackedSecuritiesAgencyMember2025-12-310000927628cof:ResidentialMortgageBackedSecuritiesNonagencyMember2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMember2025-12-310000927628cof:CommercialMortgageBackedSecuritiesAgencyMember2025-12-310000927628us-gaap:OtherDebtSecuritiesMember2025-12-310000927628us-gaap:AssetBackedSecuritiesMember2026-03-310000927628us-gaap:AssetBackedSecuritiesMember2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMember2026-01-012026-03-310000927628cof:CommercialMortgageBackedSecuritiesAgencyMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:FinancialAssetPastDueMember2026-03-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMember2026-03-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:FinancialAssetPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancialAssetPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:FinancialAssetPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:FinancialAssetPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:FinancialAssetPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2026-03-310000927628us-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628us-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628us-gaap:FinancialAssetPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:FinancialAssetPastDueMember2025-12-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMember2025-12-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-12-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-12-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-12-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:FinancialAssetPastDueMember2025-12-310000927628cof:CreditCardPortfolioSegmentMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancialAssetPastDueMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:FinancialAssetPastDueMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:FinancialAssetPastDueMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:FinancialAssetPastDueMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2025-12-310000927628us-gaap:FinancingReceivables30To59DaysPastDueMember2025-12-310000927628us-gaap:FinancingReceivables60To89DaysPastDueMember2025-12-310000927628us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-12-310000927628us-gaap:FinancialAssetPastDueMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMembercof:FinancialAssetCurrentAndLessThan30DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMembercof:FinancialAssetCurrentAndLessThan30DaysPastDueMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMembercof:FinancialAssetCurrentAndLessThan30DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMembercof:FinancialAssetCurrentAndLessThan30DaysPastDueMember2025-12-310000927628cof:PersonalLoansPortfolioSegmentMembercof:FinancialAssetCurrentAndLessThan30DaysPastDueMember2026-01-012026-03-310000927628cof:PersonalLoansPortfolioSegmentMembercof:FinancialAssetCurrentAndLessThan30DaysPastDueMember2026-03-310000927628cof:PersonalLoansPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-01-012026-03-310000927628cof:PersonalLoansPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628cof:PersonalLoansPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-01-012026-03-310000927628cof:PersonalLoansPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628cof:PersonalLoansPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-01-012026-03-310000927628cof:PersonalLoansPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628cof:PersonalLoansPortfolioSegmentMember2026-01-012026-03-310000927628cof:PersonalLoansPortfolioSegmentMember2026-03-310000927628cof:PersonalLoansPortfolioSegmentMembercof:FinancialAssetCurrentAndLessThan30DaysPastDueMember2025-01-012025-12-310000927628cof:PersonalLoansPortfolioSegmentMembercof:FinancialAssetCurrentAndLessThan30DaysPastDueMember2025-12-310000927628cof:PersonalLoansPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-01-012025-12-310000927628cof:PersonalLoansPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-12-310000927628cof:PersonalLoansPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-01-012025-12-310000927628cof:PersonalLoansPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-12-310000927628cof:PersonalLoansPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-01-012025-12-310000927628cof:PersonalLoansPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-12-310000927628cof:PersonalLoansPortfolioSegmentMember2025-01-012025-12-310000927628cof:PersonalLoansPortfolioSegmentMember2025-12-310000927628cof:FICOScoreGreaterThan660Memberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2026-03-310000927628cof:FICOScore621To660Memberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2026-03-310000927628cof:FICOScoreLessThan620Memberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMembercof:FinancialAssetCurrentAndLessThan30DaysPastDueMember2026-03-310000927628cof:FICOScoreGreaterThan660Memberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2025-12-310000927628cof:FICOScore621To660Memberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2025-12-310000927628cof:FICOScoreLessThan620Memberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMembercof:FinancialAssetCurrentAndLessThan30DaysPastDueMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:PassMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:PerformingFinancingReceivableMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:CriticizedMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:NonperformingFinancingReceivableMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:CriticizedMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:PassMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:PerformingFinancingReceivableMembercof:CommercialAndIndustrialMemberus-gaap:CriticizedMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:NonperformingFinancingReceivableMembercof:CommercialAndIndustrialMemberus-gaap:CriticizedMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:PassMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:PerformingFinancingReceivableMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:CriticizedMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:NonperformingFinancingReceivableMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:CriticizedMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:PassMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:PerformingFinancingReceivableMembercof:CommercialAndIndustrialMemberus-gaap:CriticizedMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:NonperformingFinancingReceivableMembercof:CommercialAndIndustrialMemberus-gaap:CriticizedMember2025-12-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:ContractualInterestRateReductionMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:PersonalLoansMemberus-gaap:ContractualInterestRateReductionMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:ContractualInterestRateReductionMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:ContractualInterestRateReductionMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:ContractualInterestRateReductionMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:ContractualInterestRateReductionMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ContractualInterestRateReductionMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:ContractualInterestRateReductionMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:ContractualInterestRateReductionMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:ContractualInterestRateReductionMember2026-01-012026-03-310000927628us-gaap:ContractualInterestRateReductionMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:ExtendedMaturityMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:PersonalLoansMemberus-gaap:ExtendedMaturityMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:ExtendedMaturityMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:ExtendedMaturityMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:ExtendedMaturityMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:ExtendedMaturityMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ExtendedMaturityMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:ExtendedMaturityMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:ExtendedMaturityMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:ExtendedMaturityMember2026-01-012026-03-310000927628us-gaap:ExtendedMaturityMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:PrincipalForgivenessMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:PersonalLoansMemberus-gaap:PrincipalForgivenessMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:PrincipalForgivenessMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:PrincipalForgivenessMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:PrincipalForgivenessMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:PrincipalForgivenessMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:PrincipalForgivenessMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:PrincipalForgivenessMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:PrincipalForgivenessMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:PrincipalForgivenessMember2026-01-012026-03-310000927628us-gaap:PrincipalForgivenessMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:PersonalLoansMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2026-01-012026-03-310000927628us-gaap:ExtendedMaturityAndInterestRateReductionMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMembercof:OtherLoanModificationsMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:PersonalLoansMembercof:OtherLoanModificationsMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMembercof:OtherLoanModificationsMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:OtherLoanModificationsMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMembercof:OtherLoanModificationsMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMembercof:OtherLoanModificationsMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:OtherLoanModificationsMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMembercof:OtherLoanModificationsMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMembercof:OtherLoanModificationsMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:OtherLoanModificationsMember2026-01-012026-03-310000927628cof:OtherLoanModificationsMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:PersonalLoansMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:ContractualInterestRateReductionMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:ContractualInterestRateReductionMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:ContractualInterestRateReductionMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:ContractualInterestRateReductionMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:ContractualInterestRateReductionMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ContractualInterestRateReductionMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:ContractualInterestRateReductionMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:ContractualInterestRateReductionMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:ContractualInterestRateReductionMember2025-01-012025-03-310000927628us-gaap:ContractualInterestRateReductionMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:ExtendedMaturityMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:ExtendedMaturityMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:ExtendedMaturityMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:ExtendedMaturityMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:ExtendedMaturityMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ExtendedMaturityMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:ExtendedMaturityMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:ExtendedMaturityMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:ExtendedMaturityMember2025-01-012025-03-310000927628us-gaap:ExtendedMaturityMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:PrincipalForgivenessMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:PrincipalForgivenessMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:PrincipalForgivenessMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:PrincipalForgivenessMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:PrincipalForgivenessMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:PrincipalForgivenessMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:PrincipalForgivenessMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:PrincipalForgivenessMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:PrincipalForgivenessMember2025-01-012025-03-310000927628us-gaap:PrincipalForgivenessMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:ExtendedMaturityAndInterestRateReductionMember2025-01-012025-03-310000927628us-gaap:ExtendedMaturityAndInterestRateReductionMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMembercof:OtherLoanModificationsMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMembercof:OtherLoanModificationsMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:OtherLoanModificationsMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMembercof:OtherLoanModificationsMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMembercof:OtherLoanModificationsMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:OtherLoanModificationsMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMembercof:OtherLoanModificationsMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMembercof:OtherLoanModificationsMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:OtherLoanModificationsMember2025-01-012025-03-310000927628cof:OtherLoanModificationsMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:FinancialAssetNotPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:FinancialAssetPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:PersonalLoansMemberus-gaap:FinancialAssetNotPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:PersonalLoansMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:PersonalLoansMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:PersonalLoansMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:PersonalLoansMemberus-gaap:FinancialAssetPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:PersonalLoansMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:FinancialAssetNotPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:FinancialAssetPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:FinancialAssetNotPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancialAssetNotPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:FinancialAssetNotPastDueMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancialAssetNotPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:FinancialAssetNotPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:FinancialAssetNotPastDueMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancialAssetNotPastDueMember2026-03-310000927628us-gaap:FinancialAssetNotPastDueMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:FinancialAssetNotPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMemberus-gaap:FinancialAssetPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:DomesticCardMember2025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:FinancialAssetNotPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMemberus-gaap:FinancialAssetPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:InternationalCardBusinessMember2025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:FinancialAssetNotPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancialAssetNotPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancialAssetPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:FinancialAssetNotPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:FinancialAssetPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancialAssetNotPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:FinancialAssetNotPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:FinancialAssetPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:FinancialAssetNotPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:FinancialAssetPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancialAssetNotPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMember2025-03-310000927628us-gaap:FinancialAssetNotPastDueMember2025-03-310000927628us-gaap:FinancingReceivables30To59DaysPastDueMember2025-03-310000927628us-gaap:FinancingReceivables60To89DaysPastDueMember2025-03-310000927628us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2025-03-310000927628us-gaap:FinancialAssetPastDueMember2025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:PrincipalForgivenessMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMemberus-gaap:PrincipalForgivenessMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:PersonalLoansMembercof:CreditCardPortfolioSegmentMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:PrincipalForgivenessMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:PrincipalForgivenessMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:PrincipalForgivenessMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:PrincipalForgivenessMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:RetailBankingMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:PrincipalForgivenessMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:PrincipalForgivenessMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:PrincipalForgivenessMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:PrincipalForgivenessMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:PrincipalForgivenessMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628us-gaap:EntityLoanModificationProgramMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionDomesticMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:GeographicDistributionForeignMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndMultifamilyRealEstateMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CommercialAndIndustrialMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:ContractualInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:ExtendedMaturityMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:OtherModificationsMemberus-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628us-gaap:EntityLoanModificationProgramMember2025-01-012025-03-310000927628cof:FederalHomeLoanbanksMember2026-03-310000927628cof:FederalHomeLoanbanksMember2025-12-310000927628cof:FederalReserveDiscountWindowMember2026-03-310000927628cof:FederalReserveDiscountWindowMember2025-12-310000927628cof:DomesticCreditCardAndCommercialBankingPortfoliosMemberus-gaap:GeographicDistributionDomesticMember2026-01-012026-03-310000927628cof:DomesticCreditCardAndCommercialBankingPortfoliosMemberus-gaap:GeographicDistributionDomesticMember2025-01-012025-03-310000927628us-gaap:AllowanceForLoanAndLeaseLossesMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2025-12-310000927628us-gaap:AllowanceForLoanAndLeaseLossesMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2026-01-012026-03-310000927628us-gaap:AllowanceForLoanAndLeaseLossesMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2025-12-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2025-12-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2025-12-310000927628us-gaap:UnfundedLoanCommitmentMember2025-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2026-01-012026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2026-01-012026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2026-01-012026-03-310000927628us-gaap:UnfundedLoanCommitmentMember2026-01-012026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2026-03-310000927628us-gaap:UnfundedLoanCommitmentMember2026-03-310000927628cof:CreditCardPortfolioSegmentMembercof:CombinedAllowanceAndUnfundedReserveMember2026-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:CombinedAllowanceAndUnfundedReserveMember2026-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CombinedAllowanceAndUnfundedReserveMember2026-03-310000927628cof:CombinedAllowanceAndUnfundedReserveMember2026-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2024-12-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2024-12-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2024-12-310000927628us-gaap:AllowanceForLoanAndLeaseLossesMember2024-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2025-01-012025-03-310000927628us-gaap:AllowanceForLoanAndLeaseLossesMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:AllowanceForLoanAndLeaseLossesMember2025-03-310000927628us-gaap:AllowanceForLoanAndLeaseLossesMember2025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2024-12-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2024-12-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2024-12-310000927628us-gaap:UnfundedLoanCommitmentMember2024-12-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2025-01-012025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2025-01-012025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2025-01-012025-03-310000927628us-gaap:UnfundedLoanCommitmentMember2025-01-012025-03-310000927628cof:CreditCardPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2025-03-310000927628us-gaap:UnfundedLoanCommitmentMember2025-03-310000927628cof:CreditCardPortfolioSegmentMembercof:CombinedAllowanceAndUnfundedReserveMember2025-03-310000927628us-gaap:ConsumerPortfolioSegmentMembercof:CombinedAllowanceAndUnfundedReserveMember2025-03-310000927628us-gaap:CommercialPortfolioSegmentMembercof:CombinedAllowanceAndUnfundedReserveMember2025-03-310000927628cof:CombinedAllowanceAndUnfundedReserveMember2025-03-310000927628cof:LossSharingAgreementMember2025-12-310000927628cof:LossSharingAgreementMember2024-12-310000927628cof:LossSharingAgreementMember2026-01-012026-03-310000927628cof:LossSharingAgreementMember2025-01-012025-03-310000927628cof:LossSharingAgreementMember2026-03-310000927628cof:LossSharingAgreementMember2025-03-310000927628us-gaap:CreditCardReceivablesMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2026-03-310000927628us-gaap:CreditCardReceivablesMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2026-03-310000927628us-gaap:CollateralizedAutoLoansMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2026-03-310000927628us-gaap:CollateralizedAutoLoansMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2026-03-310000927628cof:SecuritizationRelatedVariableInterestEntitiesMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2026-03-310000927628cof:SecuritizationRelatedVariableInterestEntitiesMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2026-03-310000927628cof:AffordableHousingEntitiesMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2026-03-310000927628cof:AffordableHousingEntitiesMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2026-03-310000927628cof:InvestmentCompaniesProvidingCapitaltoLowIncomeandRuralCommunitiesMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2026-03-310000927628cof:InvestmentCompaniesProvidingCapitaltoLowIncomeandRuralCommunitiesMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2026-03-310000927628us-gaap:OtherInvestmentsMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2026-03-310000927628us-gaap:OtherInvestmentsMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2026-03-310000927628cof:NonsecuritizationRelatedVariableInterestEntitiesMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2026-03-310000927628cof:NonsecuritizationRelatedVariableInterestEntitiesMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2026-03-310000927628us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2026-03-310000927628us-gaap:CreditCardReceivablesMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2025-12-310000927628us-gaap:CreditCardReceivablesMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2025-12-310000927628us-gaap:CollateralizedAutoLoansMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2025-12-310000927628us-gaap:CollateralizedAutoLoansMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2025-12-310000927628cof:SecuritizationRelatedVariableInterestEntitiesMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2025-12-310000927628cof:SecuritizationRelatedVariableInterestEntitiesMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2025-12-310000927628cof:AffordableHousingEntitiesMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2025-12-310000927628cof:AffordableHousingEntitiesMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2025-12-310000927628cof:InvestmentCompaniesProvidingCapitaltoLowIncomeandRuralCommunitiesMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2025-12-310000927628cof:InvestmentCompaniesProvidingCapitaltoLowIncomeandRuralCommunitiesMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2025-12-310000927628us-gaap:OtherInvestmentsMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2025-12-310000927628us-gaap:OtherInvestmentsMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2025-12-310000927628cof:NonsecuritizationRelatedVariableInterestEntitiesMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2025-12-310000927628cof:NonsecuritizationRelatedVariableInterestEntitiesMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2025-12-310000927628us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2025-12-310000927628cof:AffordableHousingEntitiesMember2026-03-310000927628cof:AffordableHousingEntitiesMember2025-12-310000927628us-gaap:OtherInvestmentsMember2026-03-310000927628us-gaap:CustomerRelationshipsMember2026-03-310000927628cof:NetworkAndFinancialPartnerRelationshipsMember2026-03-310000927628us-gaap:CoreDepositsMember2026-03-310000927628us-gaap:OtherIntangibleAssetsMember2026-03-310000927628cof:NetworkMember2026-03-310000927628us-gaap:TradeNamesMember2026-03-310000927628us-gaap:OtherIntangibleAssetsMember2026-03-310000927628us-gaap:CustomerRelationshipsMember2025-12-310000927628cof:NetworkAndFinancialPartnerRelationshipsMember2025-12-310000927628us-gaap:CoreDepositsMember2025-12-310000927628us-gaap:OtherIntangibleAssetsMember2025-12-310000927628cof:NetworkMember2025-12-310000927628us-gaap:TradeNamesMember2025-12-310000927628us-gaap:OtherIntangibleAssetsMember2025-12-310000927628us-gaap:OperatingSegmentsMembercof:CreditCardSegmentMember2025-12-310000927628us-gaap:OperatingSegmentsMembercof:ConsumerBankingSegmentMember2025-12-310000927628us-gaap:OperatingSegmentsMembercof:CommercialBankingSegmentMember2025-12-310000927628us-gaap:OperatingSegmentsMembercof:CreditCardSegmentMember2026-01-012026-03-310000927628us-gaap:OperatingSegmentsMembercof:ConsumerBankingSegmentMember2026-01-012026-03-310000927628us-gaap:OperatingSegmentsMembercof:CommercialBankingSegmentMember2026-01-012026-03-310000927628us-gaap:OperatingSegmentsMembercof:CreditCardSegmentMember2026-03-310000927628us-gaap:OperatingSegmentsMembercof:ConsumerBankingSegmentMember2026-03-310000927628us-gaap:OperatingSegmentsMembercof:CommercialBankingSegmentMember2026-03-310000927628us-gaap:FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseMember2026-03-310000927628us-gaap:FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseMember2025-12-310000927628us-gaap:FederalHomeLoanBankAdvancesMember2026-03-310000927628us-gaap:FederalHomeLoanBankAdvancesMember2025-12-310000927628srt:MinimumMemberus-gaap:SecuredDebtMember2026-03-310000927628srt:MaximumMemberus-gaap:SecuredDebtMember2026-03-310000927628us-gaap:SecuredDebtMember2026-03-310000927628us-gaap:SecuredDebtMember2025-12-310000927628cof:FixedUnsecuredSeniorDebtMembersrt:MinimumMemberus-gaap:SeniorNotesMember2026-03-310000927628cof:FixedUnsecuredSeniorDebtMembersrt:MaximumMemberus-gaap:SeniorNotesMember2026-03-310000927628cof:FixedUnsecuredSeniorDebtMemberus-gaap:SeniorNotesMember2026-03-310000927628cof:FixedUnsecuredSeniorDebtMemberus-gaap:SeniorNotesMember2025-12-310000927628cof:FixedUnsecuredSubordinatedDebtMembersrt:MinimumMemberus-gaap:SubordinatedDebtMember2026-03-310000927628cof:FixedUnsecuredSubordinatedDebtMembersrt:MaximumMemberus-gaap:SubordinatedDebtMember2026-03-310000927628cof:FixedUnsecuredSubordinatedDebtMemberus-gaap:SubordinatedDebtMember2026-03-310000927628cof:FixedUnsecuredSubordinatedDebtMemberus-gaap:SubordinatedDebtMember2025-12-310000927628cof:SeniorAndSubordinatedNotesMember2026-03-310000927628cof:SeniorAndSubordinatedNotesMember2025-12-310000927628srt:MinimumMemberus-gaap:FederalHomeLoanBankAdvancesMember2026-03-310000927628srt:MaximumMemberus-gaap:FederalHomeLoanBankAdvancesMember2026-03-310000927628us-gaap:FederalHomeLoanBankAdvancesMember2026-03-310000927628us-gaap:FederalHomeLoanBankAdvancesMember2025-12-310000927628srt:MinimumMembercof:FinancialLeaseLiabilitiesMember2026-03-310000927628srt:MaximumMembercof:FinancialLeaseLiabilitiesMember2026-03-310000927628cof:FinancialLeaseLiabilitiesMember2026-03-310000927628cof:FinancialLeaseLiabilitiesMember2025-12-310000927628cof:OtherLongTermBorrowingsMember2026-03-310000927628cof:OtherLongTermBorrowingsMember2025-12-310000927628currency:EUR2026-03-310000927628currency:EUR2025-12-310000927628us-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueHedgingMember2026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueHedgingMember2025-12-310000927628us-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CashFlowHedgingMember2026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CashFlowHedgingMember2025-12-310000927628us-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2025-12-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueHedgingMember2026-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueHedgingMember2025-12-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CashFlowHedgingMember2026-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CashFlowHedgingMember2025-12-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:NetInvestmentHedgingMember2026-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:NetInvestmentHedgingMember2025-12-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2026-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2025-12-310000927628us-gaap:DesignatedAsHedgingInstrumentMember2026-03-310000927628us-gaap:DesignatedAsHedgingInstrumentMember2025-12-310000927628us-gaap:InterestRateContractMembercof:CustomerAccommodationMemberus-gaap:NondesignatedMember2026-03-310000927628us-gaap:InterestRateContractMembercof:CustomerAccommodationMemberus-gaap:NondesignatedMember2025-12-310000927628us-gaap:CommodityContractMembercof:CustomerAccommodationMemberus-gaap:NondesignatedMember2026-03-310000927628us-gaap:CommodityContractMembercof:CustomerAccommodationMemberus-gaap:NondesignatedMember2025-12-310000927628us-gaap:ForeignExchangeContractMembercof:CustomerAccommodationMemberus-gaap:NondesignatedMember2026-03-310000927628us-gaap:ForeignExchangeContractMembercof:CustomerAccommodationMemberus-gaap:NondesignatedMember2025-12-310000927628cof:CustomerAccommodationMemberus-gaap:NondesignatedMember2026-03-310000927628cof:CustomerAccommodationMemberus-gaap:NondesignatedMember2025-12-310000927628us-gaap:InterestRateContractMembercof:OtherInterestRateExposuresMemberus-gaap:NondesignatedMember2026-03-310000927628us-gaap:InterestRateContractMembercof:OtherInterestRateExposuresMemberus-gaap:NondesignatedMember2025-12-310000927628us-gaap:OtherContractMemberus-gaap:NondesignatedMember2026-03-310000927628us-gaap:OtherContractMemberus-gaap:NondesignatedMember2025-12-310000927628us-gaap:NondesignatedMember2026-03-310000927628us-gaap:NondesignatedMember2025-12-310000927628cof:DebtSecuritiesAvailableForSaleMember2026-03-310000927628cof:DebtSecuritiesAvailableForSaleMember2025-12-310000927628us-gaap:InterestBearingDepositsMember2026-03-310000927628us-gaap:InterestBearingDepositsMember2025-12-310000927628cof:SecuritizedDebtObligationsMember2026-03-310000927628cof:SecuritizedDebtObligationsMember2025-12-310000927628cof:SeniorAndSubordinatedNotesMember2026-03-310000927628cof:SeniorAndSubordinatedNotesMember2025-12-310000927628us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMembercof:InterestincomeInvestmentsecuritiesMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMembercof:InterestincomeLoansMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMembercof:InterestincomeOtherMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMembercof:InterestexpenseDepositsMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMembercof:InterestexpenseSecuritizedDebtObligationMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMembercof:InterestexpenseSeniorandSubordinatedDebtMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMembercof:NonInterestIncomeOtherMember2026-01-012026-03-310000927628us-gaap:FairValueHedgingMembercof:InterestincomeInvestmentsecuritiesMember2026-01-012026-03-310000927628us-gaap:FairValueHedgingMembercof:InterestincomeLoansMember2026-01-012026-03-310000927628us-gaap:FairValueHedgingMembercof:InterestincomeOtherMember2026-01-012026-03-310000927628us-gaap:FairValueHedgingMembercof:InterestexpenseDepositsMember2026-01-012026-03-310000927628us-gaap:FairValueHedgingMembercof:InterestexpenseSecuritizedDebtObligationMember2026-01-012026-03-310000927628us-gaap:FairValueHedgingMembercof:InterestexpenseSeniorandSubordinatedDebtMember2026-01-012026-03-310000927628us-gaap:FairValueHedgingMembercof:NonInterestIncomeOtherMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMembercof:InterestincomeInvestmentsecuritiesMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMembercof:InterestincomeLoansMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMembercof:InterestincomeOtherMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMembercof:InterestexpenseDepositsMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMembercof:InterestexpenseSecuritizedDebtObligationMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMembercof:InterestexpenseSeniorandSubordinatedDebtMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMembercof:NonInterestIncomeOtherMember2026-01-012026-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMembercof:InterestincomeInvestmentsecuritiesMember2026-01-012026-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMembercof:InterestincomeLoansMember2026-01-012026-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMembercof:InterestincomeOtherMember2026-01-012026-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMembercof:InterestexpenseDepositsMember2026-01-012026-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMembercof:InterestexpenseSecuritizedDebtObligationMember2026-01-012026-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMembercof:InterestexpenseSeniorandSubordinatedDebtMember2026-01-012026-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMembercof:NonInterestIncomeOtherMember2026-01-012026-03-310000927628us-gaap:CashFlowHedgingMembercof:InterestincomeInvestmentsecuritiesMember2026-01-012026-03-310000927628us-gaap:CashFlowHedgingMembercof:InterestincomeLoansMember2026-01-012026-03-310000927628us-gaap:CashFlowHedgingMembercof:InterestincomeOtherMember2026-01-012026-03-310000927628us-gaap:CashFlowHedgingMembercof:InterestexpenseDepositsMember2026-01-012026-03-310000927628us-gaap:CashFlowHedgingMembercof:InterestexpenseSecuritizedDebtObligationMember2026-01-012026-03-310000927628us-gaap:CashFlowHedgingMembercof:InterestexpenseSeniorandSubordinatedDebtMember2026-01-012026-03-310000927628us-gaap:CashFlowHedgingMembercof:NonInterestIncomeOtherMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMembercof:InterestincomeInvestmentsecuritiesMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMembercof:InterestincomeLoansMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMembercof:InterestincomeOtherMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMembercof:InterestexpenseDepositsMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMembercof:InterestexpenseSecuritizedDebtObligationMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMembercof:InterestexpenseSeniorandSubordinatedDebtMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMembercof:NonInterestIncomeOtherMember2025-01-012025-03-310000927628us-gaap:FairValueHedgingMembercof:InterestincomeInvestmentsecuritiesMember2025-01-012025-03-310000927628us-gaap:FairValueHedgingMembercof:InterestincomeLoansMember2025-01-012025-03-310000927628us-gaap:FairValueHedgingMembercof:InterestincomeOtherMember2025-01-012025-03-310000927628us-gaap:FairValueHedgingMembercof:InterestexpenseDepositsMember2025-01-012025-03-310000927628us-gaap:FairValueHedgingMembercof:InterestexpenseSecuritizedDebtObligationMember2025-01-012025-03-310000927628us-gaap:FairValueHedgingMembercof:InterestexpenseSeniorandSubordinatedDebtMember2025-01-012025-03-310000927628us-gaap:FairValueHedgingMembercof:NonInterestIncomeOtherMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMembercof:InterestincomeInvestmentsecuritiesMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMembercof:InterestincomeLoansMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMembercof:InterestincomeOtherMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMembercof:InterestexpenseDepositsMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMembercof:InterestexpenseSecuritizedDebtObligationMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMembercof:InterestexpenseSeniorandSubordinatedDebtMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMembercof:NonInterestIncomeOtherMember2025-01-012025-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMembercof:InterestincomeInvestmentsecuritiesMember2025-01-012025-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMembercof:InterestincomeLoansMember2025-01-012025-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMembercof:InterestincomeOtherMember2025-01-012025-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMembercof:InterestexpenseDepositsMember2025-01-012025-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMembercof:InterestexpenseSecuritizedDebtObligationMember2025-01-012025-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMembercof:InterestexpenseSeniorandSubordinatedDebtMember2025-01-012025-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMembercof:NonInterestIncomeOtherMember2025-01-012025-03-310000927628us-gaap:CashFlowHedgingMembercof:InterestincomeInvestmentsecuritiesMember2025-01-012025-03-310000927628us-gaap:CashFlowHedgingMembercof:InterestincomeLoansMember2025-01-012025-03-310000927628us-gaap:CashFlowHedgingMembercof:InterestincomeOtherMember2025-01-012025-03-310000927628us-gaap:CashFlowHedgingMembercof:InterestexpenseDepositsMember2025-01-012025-03-310000927628us-gaap:CashFlowHedgingMembercof:InterestexpenseSecuritizedDebtObligationMember2025-01-012025-03-310000927628us-gaap:CashFlowHedgingMembercof:InterestexpenseSeniorandSubordinatedDebtMember2025-01-012025-03-310000927628us-gaap:CashFlowHedgingMembercof:NonInterestIncomeOtherMember2025-01-012025-03-310000927628cof:NonInterestIncomeOtherMember2026-01-012026-03-310000927628cof:NonInterestIncomeOtherMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMembercof:CustomerAccommodationMembercof:OtherNonInterestIncomeMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMembercof:CustomerAccommodationMembercof:OtherNonInterestIncomeMember2025-01-012025-03-310000927628us-gaap:CommodityContractMembercof:CustomerAccommodationMembercof:OtherNonInterestIncomeMember2026-01-012026-03-310000927628us-gaap:CommodityContractMembercof:CustomerAccommodationMembercof:OtherNonInterestIncomeMember2025-01-012025-03-310000927628us-gaap:ForeignExchangeContractMembercof:CustomerAccommodationMembercof:OtherNonInterestIncomeMember2026-01-012026-03-310000927628us-gaap:ForeignExchangeContractMembercof:CustomerAccommodationMembercof:OtherNonInterestIncomeMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMembercof:OtherNonInterestIncomeMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMembercof:OtherNonInterestIncomeMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMembercof:OtherInterestRateExposuresMembercof:OtherNonInterestIncomeMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMembercof:OtherInterestRateExposuresMembercof:OtherNonInterestIncomeMember2025-01-012025-03-310000927628us-gaap:OtherContractMembercof:OtherNonInterestIncomeMember2026-01-012026-03-310000927628us-gaap:OtherContractMembercof:OtherNonInterestIncomeMember2025-01-012025-03-310000927628cof:OtherNonInterestIncomeMember2026-01-012026-03-310000927628cof:OtherNonInterestIncomeMember2025-01-012025-03-310000927628cof:SeriesIPreferredStockMember2026-03-310000927628cof:SeriesIPreferredStockMember2025-12-310000927628cof:SeriesJPreferredStockMember2026-03-310000927628cof:SeriesJPreferredStockMember2025-12-310000927628cof:SeriesKPreferredStockMember2026-03-310000927628cof:SeriesKPreferredStockMember2025-12-310000927628cof:SeriesLPreferredStockMember2026-03-310000927628cof:SeriesLPreferredStockMember2025-12-310000927628srt:MaximumMembercof:SeriesMPreferredStockMember2026-01-012026-03-310000927628srt:MinimumMembercof:SeriesMPreferredStockMember2026-01-012026-03-310000927628cof:SeriesMPreferredStockMember2026-03-310000927628cof:SeriesMPreferredStockMember2025-12-310000927628cof:SeriesNPreferredStockMember2026-03-310000927628cof:SeriesNPreferredStockMember2025-12-310000927628cof:DiscoverMembercof:SeriesOPreferredStockMember2025-05-182025-05-180000927628cof:SeriesOPreferredStockMember2026-03-310000927628cof:SeriesOPreferredStockMember2025-12-310000927628us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2025-12-310000927628us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2025-12-310000927628us-gaap:AccumulatedTranslationAdjustmentMember2025-12-310000927628cof:AccumulatedOtherComprehensiveIncomeLossOtherComponentMember2025-12-310000927628us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2026-01-012026-03-310000927628us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2026-01-012026-03-310000927628us-gaap:AccumulatedTranslationAdjustmentMember2026-01-012026-03-310000927628cof:AccumulatedOtherComprehensiveIncomeLossOtherComponentMember2026-01-012026-03-310000927628us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2026-03-310000927628us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2026-03-310000927628us-gaap:AccumulatedTranslationAdjustmentMember2026-03-310000927628cof:AccumulatedOtherComprehensiveIncomeLossOtherComponentMember2026-03-310000927628us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2024-12-310000927628us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2024-12-310000927628us-gaap:AccumulatedTranslationAdjustmentMember2024-12-310000927628cof:AccumulatedOtherComprehensiveIncomeLossOtherComponentMember2024-12-310000927628us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2025-01-012025-03-310000927628us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2025-01-012025-03-310000927628us-gaap:AccumulatedTranslationAdjustmentMember2025-01-012025-03-310000927628cof:AccumulatedOtherComprehensiveIncomeLossOtherComponentMember2025-01-012025-03-310000927628us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2025-03-310000927628us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2025-03-310000927628us-gaap:AccumulatedTranslationAdjustmentMember2025-03-310000927628cof:AccumulatedOtherComprehensiveIncomeLossOtherComponentMember2025-03-310000927628us-gaap:NetInvestmentHedgingMember2026-01-012026-03-310000927628us-gaap:NetInvestmentHedgingMember2025-01-012025-03-310000927628us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2026-01-012026-03-310000927628us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2025-01-012025-03-310000927628us-gaap:InterestRateContractMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2026-01-012026-03-310000927628us-gaap:InterestRateContractMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2025-01-012025-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2026-01-012026-03-310000927628us-gaap:ForeignExchangeContractMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2025-01-012025-03-310000927628us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMembercof:AccumulatedOtherComprehensiveIncomeLossOtherComponentMember2026-01-012026-03-310000927628us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMembercof:AccumulatedOtherComprehensiveIncomeLossOtherComponentMember2025-01-012025-03-310000927628us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2026-01-012026-03-310000927628us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2025-01-012025-03-310000927628us-gaap:StockCompensationPlanMember2025-01-012025-03-310000927628us-gaap:StockCompensationPlanMember2026-01-012026-03-310000927628us-gaap:EmployeeStockOptionMember2025-01-012025-03-310000927628us-gaap:EmployeeStockOptionMember2026-01-012026-03-310000927628us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2026-03-310000927628us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2026-03-310000927628us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-03-310000927628us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2026-03-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2026-03-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2026-03-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-03-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2026-03-310000927628us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2026-03-310000927628us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2026-03-310000927628us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-03-310000927628us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMember2026-03-310000927628us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2025-12-310000927628us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2025-12-310000927628us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-12-310000927628us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2025-12-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2025-12-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2025-12-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-12-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2025-12-310000927628us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2025-12-310000927628us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2025-12-310000927628us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-12-310000927628us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMembercof:FairValueInputsLevel1AndLevel2Member2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMembercof:FairValueInputsLevel1AndLevel2Member2026-01-012026-03-310000927628us-gaap:FairValueMeasurementsRecurringMembercof:FairValueInputsLevel1AndLevel2Member2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMembercof:FairValueInputsLevel1AndLevel2Member2025-01-012025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-01-012026-03-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-01-012026-03-310000927628cof:DebtSecuritiesAvailableForSaleMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-12-310000927628cof:DebtSecuritiesAvailableForSaleMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-01-012026-03-310000927628cof:DebtSecuritiesAvailableForSaleMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-03-310000927628us-gaap:RetainedInterestMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-12-310000927628us-gaap:RetainedInterestMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-01-012026-03-310000927628us-gaap:RetainedInterestMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-03-310000927628cof:NetDerivativeAssetsLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-12-310000927628cof:NetDerivativeAssetsLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-01-012026-03-310000927628cof:NetDerivativeAssetsLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2024-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-01-012025-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-03-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2024-12-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-01-012025-03-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-03-310000927628cof:DebtSecuritiesAvailableForSaleMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2024-12-310000927628cof:DebtSecuritiesAvailableForSaleMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-01-012025-03-310000927628cof:DebtSecuritiesAvailableForSaleMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-03-310000927628us-gaap:RetainedInterestMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2024-12-310000927628us-gaap:RetainedInterestMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-01-012025-03-310000927628us-gaap:RetainedInterestMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-03-310000927628cof:NetDerivativeAssetsLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2024-12-310000927628cof:NetDerivativeAssetsLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-01-012025-03-310000927628cof:NetDerivativeAssetsLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-03-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-01-012026-03-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-01-012025-03-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputYieldMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputYieldMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDefaultRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDefaultRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLossSeverityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLossSeverityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputYieldMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMember2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMember2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDefaultRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMember2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLossSeverityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMember2026-03-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputYieldMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2026-03-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputYieldMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2026-03-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputYieldMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMember2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputLifeofReceivablesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputLifeofReceivablesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDefaultRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDefaultRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLossSeverityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLossSeverityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputSwapRatesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputSwapRatesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2026-03-310000927628us-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputSwapRatesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMember2026-03-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputYieldMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputYieldMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDefaultRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDefaultRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLossSeverityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLossSeverityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputYieldMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMember2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMember2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDefaultRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMember2025-12-310000927628us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLossSeverityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMember2025-12-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputYieldMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2025-12-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputYieldMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2025-12-310000927628us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputYieldMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputLifeofReceivablesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputLifeofReceivablesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDefaultRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDefaultRateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLossSeverityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLossSeverityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputSwapRatesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputSwapRatesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMember2025-12-310000927628us-gaap:FairValueMeasurementsRecurringMembercof:MeasurementInputSwapRatesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMember2025-12-310000927628us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2026-03-310000927628us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel3Member2026-03-310000927628us-gaap:FairValueMeasurementsNonrecurringMember2026-03-310000927628us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2025-12-310000927628us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel3Member2025-12-310000927628us-gaap:FairValueMeasurementsNonrecurringMember2025-12-310000927628us-gaap:FairValueInputsLevel3Membercof:AppraisalValueMembersrt:MinimumMembercof:NonRecoverableRateMember2026-03-310000927628us-gaap:FairValueInputsLevel3Membercof:AppraisalValueMembersrt:MaximumMembercof:NonRecoverableRateMember2026-03-310000927628us-gaap:FairValueInputsLevel3Membercof:AppraisalValueMembersrt:WeightedAverageMembercof:NonRecoverableRateMember2026-03-310000927628us-gaap:FairValueInputsLevel3Membercof:AppraisalValueMembersrt:MinimumMembercof:NonRecoverableRateMember2025-12-310000927628us-gaap:FairValueInputsLevel3Membercof:AppraisalValueMembersrt:MaximumMembercof:NonRecoverableRateMember2025-12-310000927628us-gaap:FairValueInputsLevel3Membercof:AppraisalValueMembersrt:WeightedAverageMembercof:NonRecoverableRateMember2025-12-310000927628us-gaap:FairValueMeasurementsNonrecurringMember2026-01-012026-03-310000927628us-gaap:FairValueMeasurementsNonrecurringMember2025-01-012025-03-310000927628us-gaap:CarryingReportedAmountFairValueDisclosureMember2026-03-310000927628us-gaap:EstimateOfFairValueFairValueDisclosureMember2026-03-310000927628us-gaap:FairValueInputsLevel1Member2026-03-310000927628us-gaap:FairValueInputsLevel2Member2026-03-310000927628us-gaap:FairValueInputsLevel3Member2026-03-310000927628us-gaap:CarryingReportedAmountFairValueDisclosureMember2025-12-310000927628us-gaap:EstimateOfFairValueFairValueDisclosureMember2025-12-310000927628us-gaap:FairValueInputsLevel1Member2025-12-310000927628us-gaap:FairValueInputsLevel2Member2025-12-310000927628us-gaap:FairValueInputsLevel3Member2025-12-310000927628srt:MinimumMembercof:CommercialBankingSegmentMember2026-01-012026-03-310000927628srt:MaximumMembercof:CommercialBankingSegmentMember2026-01-012026-03-310000927628us-gaap:CorporateNonSegmentMember2026-01-012026-03-310000927628us-gaap:CorporateNonSegmentMember2026-03-310000927628us-gaap:OperatingSegmentsMembercof:CreditCardSegmentMember2025-01-012025-03-310000927628us-gaap:OperatingSegmentsMembercof:ConsumerBankingSegmentMember2025-01-012025-03-310000927628us-gaap:OperatingSegmentsMembercof:CommercialBankingSegmentMember2025-01-012025-03-310000927628us-gaap:CorporateNonSegmentMember2025-01-012025-03-310000927628us-gaap:OperatingSegmentsMembercof:CreditCardSegmentMember2025-03-310000927628us-gaap:OperatingSegmentsMembercof:ConsumerBankingSegmentMember2025-03-310000927628us-gaap:OperatingSegmentsMembercof:CommercialBankingSegmentMember2025-03-310000927628us-gaap:CorporateNonSegmentMember2025-03-310000927628us-gaap:OperatingSegmentsMembercof:InterchangeFeesContractsMembercof:CreditCardSegmentMember2026-01-012026-03-310000927628us-gaap:OperatingSegmentsMembercof:InterchangeFeesContractsMembercof:ConsumerBankingSegmentMember2026-01-012026-03-310000927628us-gaap:OperatingSegmentsMembercof:InterchangeFeesContractsMembercof:CommercialBankingSegmentMember2026-01-012026-03-310000927628us-gaap:CorporateNonSegmentMembercof:InterchangeFeesContractsMember2026-01-012026-03-310000927628cof:InterchangeFeesContractsMember2026-01-012026-03-310000927628us-gaap:OperatingSegmentsMembercof:ServiceChargesAndOtherCustomerFeesContractsMembercof:CreditCardSegmentMember2026-01-012026-03-310000927628us-gaap:OperatingSegmentsMembercof:ServiceChargesAndOtherCustomerFeesContractsMembercof:ConsumerBankingSegmentMember2026-01-012026-03-310000927628us-gaap:OperatingSegmentsMembercof:ServiceChargesAndOtherCustomerFeesContractsMembercof:CommercialBankingSegmentMember2026-01-012026-03-310000927628us-gaap:CorporateNonSegmentMembercof:ServiceChargesAndOtherCustomerFeesContractsMember2026-01-012026-03-310000927628cof:ServiceChargesAndOtherCustomerFeesContractsMember2026-01-012026-03-310000927628us-gaap:OperatingSegmentsMembercof:OtherContractRevenueMembercof:CreditCardSegmentMember2026-01-012026-03-310000927628us-gaap:OperatingSegmentsMembercof:OtherContractRevenueMembercof:ConsumerBankingSegmentMember2026-01-012026-03-310000927628us-gaap:OperatingSegmentsMembercof:OtherContractRevenueMembercof:CommercialBankingSegmentMember2026-01-012026-03-310000927628us-gaap:CorporateNonSegmentMembercof:OtherContractRevenueMember2026-01-012026-03-310000927628cof:OtherContractRevenueMember2026-01-012026-03-310000927628us-gaap:OperatingSegmentsMembercof:InterchangeFeesContractsMembercof:CreditCardSegmentMember2025-01-012025-03-310000927628us-gaap:OperatingSegmentsMembercof:InterchangeFeesContractsMembercof:ConsumerBankingSegmentMember2025-01-012025-03-310000927628us-gaap:OperatingSegmentsMembercof:InterchangeFeesContractsMembercof:CommercialBankingSegmentMember2025-01-012025-03-310000927628us-gaap:CorporateNonSegmentMembercof:InterchangeFeesContractsMember2025-01-012025-03-310000927628cof:InterchangeFeesContractsMember2025-01-012025-03-310000927628us-gaap:OperatingSegmentsMembercof:ServiceChargesAndOtherCustomerFeesContractsMembercof:CreditCardSegmentMember2025-01-012025-03-310000927628us-gaap:OperatingSegmentsMembercof:ServiceChargesAndOtherCustomerFeesContractsMembercof:ConsumerBankingSegmentMember2025-01-012025-03-310000927628us-gaap:OperatingSegmentsMembercof:ServiceChargesAndOtherCustomerFeesContractsMembercof:CommercialBankingSegmentMember2025-01-012025-03-310000927628us-gaap:CorporateNonSegmentMembercof:ServiceChargesAndOtherCustomerFeesContractsMember2025-01-012025-03-310000927628cof:ServiceChargesAndOtherCustomerFeesContractsMember2025-01-012025-03-310000927628us-gaap:OperatingSegmentsMembercof:OtherContractRevenueMembercof:CreditCardSegmentMember2025-01-012025-03-310000927628us-gaap:OperatingSegmentsMembercof:OtherContractRevenueMembercof:ConsumerBankingSegmentMember2025-01-012025-03-310000927628us-gaap:OperatingSegmentsMembercof:OtherContractRevenueMembercof:CommercialBankingSegmentMember2025-01-012025-03-310000927628us-gaap:CorporateNonSegmentMembercof:OtherContractRevenueMember2025-01-012025-03-310000927628cof:OtherContractRevenueMember2025-01-012025-03-310000927628cof:OtherPortfolioSegmentsExcludingCreditCardMember2026-03-310000927628cof:OtherPortfolioSegmentsExcludingCreditCardMember2025-12-310000927628us-gaap:LetterOfCreditMember2026-03-310000927628us-gaap:LetterOfCreditMember2025-12-310000927628cof:LossSharingAgreementMember2026-03-310000927628cof:LossSharingAgreementMember2025-12-310000927628cof:DiscoverCardProductMisclassificationMember2025-07-302025-07-300000927628cof:SavingsAccountAndRelatedAttorneyGeneralLitigationMember2026-03-310000927628cof:FDICSpecialAssessmentMember2025-11-170000927628cof:MatthewW.CooperMember2026-01-012026-03-310000927628cof:MatthewW.CooperMember2026-03-310000927628cof:KaitlinHaggertyMember2026-01-012026-03-310000927628cof:KaitlinHaggertyMember2026-03-310000927628cof:AnnFritzHackettMember2026-01-012026-03-310000927628cof:AnnFritzHackettMember2026-03-310000927628cof:SanjivYajnikMember2026-01-012026-03-310000927628cof:SanjivYajnikMember2026-03-31