SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Asset Based Financing (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Variable Interest Entity
Total unconsolidated VIE assets	$ 398,658	$ 449,789
Maximum exposure to unconsolidated VIEs	72,197	70,414
Commercial and other real estate | Asset-backed securities
Variable Interest Entity
Total unconsolidated VIE assets	42,651	43,236
Maximum exposure to unconsolidated VIEs	9,250	8,806
Corporate loans | Asset-backed securities
Variable Interest Entity
Total unconsolidated VIE assets	21,846	23,120
Maximum exposure to unconsolidated VIEs	15,116	15,077
Other (including investment funds, airlines and shipping) | Asset-backed securities
Variable Interest Entity
Total unconsolidated VIE assets	115,633	166,320
Maximum exposure to unconsolidated VIEs	30,949	27,986
Asset-backed securities
Variable Interest Entity
Total unconsolidated VIE assets	180,130	232,676
Maximum exposure to unconsolidated VIEs	$ 55,315	$ 51,869