SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Asset Based Financing (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Variable Interest Entity
Total unconsolidated VIE assets	$ 387,129	$ 449,789
Maximum exposure to unconsolidated VIEs	69,934	70,414
Commercial and other real estate | Asset-based financing
Variable Interest Entity
Total unconsolidated VIE assets	44,631	43,236
Maximum exposure to unconsolidated VIEs	9,175	8,806
Corporate loans | Asset-based financing
Variable Interest Entity
Total unconsolidated VIE assets	24,257	23,120
Maximum exposure to unconsolidated VIEs	15,332	15,077
Other (including investment funds, airlines and shipping) | Asset-based financing
Variable Interest Entity
Total unconsolidated VIE assets	99,237	166,320
Maximum exposure to unconsolidated VIEs	27,481	27,986
Asset-based financing
Variable Interest Entity
Total unconsolidated VIE assets	168,125	232,676
Maximum exposure to unconsolidated VIEs	$ 51,988	$ 51,869