VARIABLE INTEREST ENTITIES - Schedule of Schedule of Affordable Housing, Historic And New Market Tax Credit Partnerships (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Tax credit investments included in other assets	$ 95	$ 81
Unfunded tax credit investments	$ 79	$ 62