INVESTMENT SECURITIES - Schedule of Cash Flows Associated Investment Securities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Purchases of investment securities	$ (7,132)	$ (5,163)
Dispositions and maturities of investment securities	6,168	4,176
Net (purchases) dispositions of insurance investment securities	$ (963)	$ (986)	$ (876)