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VARIABLE INTEREST ENTITIES - Schedule of Tax Credit Investments Recognized in Income Tax Expense (Details) - Variable Interest Entity, Not Primary Beneficiary - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Variable Interest Entity [Line Items] |  |  |
Amortization of affordable housing tax credit investments | $ 264 | $ 237 | $ 169
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration] | Depreciation, amortization, and accretion, net | Depreciation, amortization, and accretion, net | Depreciation, amortization, and accretion, net
Investment Program Proportional Amortization Method Applied Income Tax Credit And Other Tax Benefit Amortization Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag | Amortization of affordable housing tax credit investments (1) | Amortization of affordable housing tax credit investments (1) | Amortization of affordable housing tax credit investments (1)
Tax credits from affordable housing tax credit investments | $ (263) | $ (231) | $ (157)
Other tax benefits from affordable housing tax credit investments | $ (73) | $ (56) | $ (29)
Investment Program Proportional Amortization Method Elected Income Tax Credit And Other Income Tax Benefit Before Amortization Statement Of Cash Flows Extensible Enumeration Not Disclosed Flag | Other tax benefits from affordable housing tax credit investments | Other tax benefits from affordable housing tax credit investments | Other tax benefits from affordable housing tax credit investments
InvestmentProgramProportionalAmortizationMethodElectedIncomeTaxCreditAndOtherIncomeTaxBenefitBeforeAmortizationStatementOfIncomeOrComprehensiveIncomeExtensibleEnumerationNotDisclosedFlag | Other tax benefits from affordable housing tax credit investments | Other tax benefits from affordable housing tax credit investments | Other tax benefits from affordable housing tax credit investments
Net income tax benefit from affordable housing tax credit investments | $ (72) | $ (50) | $ (17)

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