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
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Amortization of affordable housing tax credit investments	$ 237	$ 169	$ 60
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	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	$ (231)	$ (157)	$ (60)
Other tax benefits from affordable housing tax credit investments	$ (56)	$ (29)	$ (17)
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
Investment Program Proportional Amortization Method Elected Income Tax Credit And Other Income Tax Benefit Before Amortization Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed	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	$ (50)	$ (17)	$ (17)