SECURITIES BORROWED, LOANED AND SUBJECT TO REPURCHASE AGREEMENTS - Offsetting (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Securities purchased under agreements to resell
Gross amounts of recognized assets	$ 403,663	$ 367,594
Gross amounts offset on the Consolidated Balance Sheet	112,391	131,342
Net amounts of assets included on the Consolidated Balance Sheet	291,272	236,252
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	204,077	205,349
Net amounts	87,195	30,903
Deposits paid for securities borrowed
Gross amounts of recognized assets	88,817	107,041
Gross amounts offset on the Consolidated Balance Sheet	14,652	15,999
Net amounts of assets included on the Consolidated Balance Sheet	74,165	91,042
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	13,844	17,326
Net amounts	60,321	73,716
Total
Total	492,480	474,635
Gross amounts offset on the Consolidated Balance Sheet	127,043	147,341
Net amounts of assets included on the Consolidated Balance Sheet	365,437	327,294
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	217,921	222,675
Net amounts	147,516	104,619
Securities sold under agreements to repurchase
Gross amounts of recognized liabilities	296,218	305,597
Gross amounts offset on the Consolidated Balance Sheet	112,391	131,342
Net amounts of liabilities included on the Consolidated Balance Sheet	183,827	174,255
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	71,635	85,184
Net amounts	112,192	89,071
Deposits received for securities loaned
Gross amounts of recognized liabilities	33,269	33,029
Gross amounts offset on the Consolidated Balance Sheet	14,652	15,999
Net amounts of liabilities included on the Consolidated Balance Sheet	18,617	17,030
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	2,542	2,868
Net amounts	16,075	14,162
Total
Gross amounts of recognized liabilities	329,487	338,626
Gross amounts offset on the Consolidated Balance Sheet	127,043	147,341
Net amounts of liabilities included on the Consolidated Balance Sheet	202,444	191,285
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	74,177	88,052
Net amounts	$ 128,267	$ 103,233