SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Asset Based Financing (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Variable Interest Entity
Total unconsolidated VIE assets	$ 409,476	$ 449,789
Maximum exposure to unconsolidated VIEs	79,619	70,414
Commercial and other real estate | Asset-based financing
Variable Interest Entity
Total unconsolidated VIE assets	42,869	43,236
Maximum exposure to unconsolidated VIEs	8,831	8,806
Corporate loans | Asset-based financing
Variable Interest Entity
Total unconsolidated VIE assets	27,903	23,120
Maximum exposure to unconsolidated VIEs	18,546	15,077
Other (including investment funds, airlines and shipping) | Asset-based financing
Variable Interest Entity
Total unconsolidated VIE assets	121,711	166,320
Maximum exposure to unconsolidated VIEs	$ 35,367	$ 27,986