SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Asset Based Financing (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Variable Interest Entity
Total unconsolidated VIE assets	$ 446,546	$ 441,575
Maximum exposure to unconsolidated VIEs	68,064	63,818
Commercial and other real estate | Asset-based financing
Variable Interest Entity
Total unconsolidated VIE assets	42,600	32,932
Maximum exposure to unconsolidated VIEs	8,802	7,461
Corporate loans | Asset-based financing
Variable Interest Entity
Total unconsolidated VIE assets	23,656	18,257
Maximum exposure to unconsolidated VIEs	15,139	12,581
Other (including investment funds, airlines and shipping) | Asset-based financing
Variable Interest Entity
Total unconsolidated VIE assets	171,295	184,358
Maximum exposure to unconsolidated VIEs	24,837	25,528
Asset-based financing
Variable Interest Entity
Total unconsolidated VIE assets	237,551	235,547
Maximum exposure to unconsolidated VIEs	$ 48,778	$ 45,570