SECURITIES BORROWED, LOANED AND SUBJECT TO REPURCHASE AGREEMENTS - Offsetting (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Securities purchased under agreements to resell
Gross amounts of recognized assets	$ 514,179	$ 515,533
Gross amounts offset on the Consolidated Balance Sheet	273,081	248,214
Net amounts of assets included on the Consolidated Balance Sheet	241,098	267,319
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	224,659	244,783
Net amounts	16,439	22,536
Deposits paid for securities borrowed
Gross amounts of recognized assets	97,780	97,881
Gross amounts offset on the Consolidated Balance Sheet	20,875	19,473
Net amounts of assets included on the Consolidated Balance Sheet	76,905	78,408
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	23,825	25,433
Net amounts	53,080	52,975
Total
Gross amounts of recognized assets	611,959	613,414
Gross amounts offset on the Consolidated Balance Sheet	293,956	267,687
Net amounts of assets included on the Consolidated Balance Sheet		345,727
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	248,484	270,216
Net amounts	69,519	75,511
Securities sold under agreements to repurchase
Gross amounts of recognized liabilities	564,959	513,172
Gross amounts offset on the Consolidated Balance Sheet	273,081	248,214
Net amounts of liabilities included on the Consolidated Balance Sheet	291,878	264,958
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	215,296	181,794
Net amounts	76,582	83,164
Deposits received for securities loaned
Gross amounts of recognized liabilities	34,203	32,622
Gross amounts offset on the Consolidated Balance Sheet	20,875	19,473
Net amounts of liabilities included on the Consolidated Balance Sheet	13,328	13,149
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	6,693	2,441
Net amounts	6,635	10,708
Total
Gross amounts of recognized liabilities		545,794
Gross amounts offset on the Consolidated Balance Sheet	293,956	267,687
Net amounts of liabilities included on the Consolidated Balance Sheet	305,206	278,107
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	221,989	184,235
Net amounts	$ 83,217	$ 93,872

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