SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Carrying Amounts and Classifications of Consolidated Assets (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Variable Interest Entity
Cash	$ 25,763	$ 30,577	$ 24,902
Trading account assets	423,189	334,114
Investments	507,145	526,582
Other assets	102,972	103,743
Total assets	2,423,675	2,416,676
Unconsolidated VIEs
Variable Interest Entity
Cash	0	0
Trading account assets	1,600	1,600
Investments	8,500	8,600
Total loans, net of allowance	43,500	44,200
Other assets	600	600
Total assets	$ 54,200	$ 55,000