SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Carrying Amounts and Classifications of Consolidated Assets (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Variable Interest Entity
Cash	$ 26,502	$ 27,515	$ 28,906
Trading account assets	358,260	331,945
Investments	508,016	512,822
Total loans, net of allowance	629,651	651,312
Increase in other assets	132,809	125,879
Total assets	2,381,064	2,291,413
Unconsolidated VIEs
Variable Interest Entity
Cash	0	0
Trading account assets	1,600	1,400
Investments	8,700	8,800
Total loans, net of allowance	40,000	35,400
Increase in other assets	600	800
Total assets	$ 50,900	$ 46,400