SECURITIES BORROWED, LOANED AND SUBJECT TO REPURCHASE AGREEMENTS - Offsetting (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Securities purchased under agreements to resell
Gross amounts of recognized assets	$ 485,998	$ 403,663
Gross amounts offset on the Consolidated Balance Sheet	219,046	112,391
Net amounts of assets included on the Consolidated Balance Sheet	266,952	291,272
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	242,215	204,077
Net amounts	24,737	87,195
Deposits paid for securities borrowed
Gross amounts of recognized assets	86,876	88,817
Gross amounts offset on the Consolidated Balance Sheet	16,699	14,652
Net amounts of assets included on the Consolidated Balance Sheet	70,177	74,165
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	12,418	13,844
Net amounts	57,759	60,321
Total
Gross amounts of recognized assets	572,874	492,480
Gross amounts offset on the Consolidated Balance Sheet	235,745	127,043
Net amounts of assets included on the Consolidated Balance Sheet	337,129	365,437
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	254,633	217,921
Net amounts	82,496	147,516
Securities sold under agreements to repurchase
Gross amounts of recognized liabilities	466,340	296,218
Gross amounts offset on the Consolidated Balance Sheet	219,046	112,391
Net amounts of liabilities included on the Consolidated Balance Sheet	247,294	183,827
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	151,953	71,635
Net amounts	95,341	112,192
Deposits received for securities loaned
Gross amounts of recognized liabilities	29,440	33,269
Gross amounts offset on the Consolidated Balance Sheet	16,699	14,652
Net amounts of liabilities included on the Consolidated Balance Sheet	12,741	18,617
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	1,893	2,542
Net amounts	10,848	16,075
Total
Gross amounts of recognized liabilities	495,780	329,487
Gross amounts offset on the Consolidated Balance Sheet	235,745	127,043
Net amounts of liabilities included on the Consolidated Balance Sheet	260,035	202,444
Amounts not offset on the Consolidated Balance Sheet but eligible for offsetting upon counterparty default	153,846	74,177
Net amounts	$ 106,189	$ 128,267

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