SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Carrying Amounts and Classifications of Consolidated Assets (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Variable Interest Entity
Cash	$ 22,782	$ 27,342	$ 30,577
Trading account assets	442,747	411,756
Total investments	476,657	519,085
Other assets	102,206	95,963
Total assets	2,352,945	2,411,834	$ 2,417,000
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity
Cash	0	0
Trading account assets	3,400	1,900
Total investments	5,600	8,300
Total loans, net of allowance	58,400	51,800
Other assets	600	600
Total assets	$ 68,000	$ 62,600