DERIVATIVES - Schedule of Derivative Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Derivative Assets
Total derivative assets	$ 1,839	$ 1,509
Less: Gross amounts offset in the Consolidated Balance Sheets	(623)	(235)
Less: Cash collateral applied	(374)	(58)
Total net derivative fair values presented in the Consolidated Balance Sheets	842	1,216
Derivative Liabilities
Derivative Liabilities	3,111	922
Less: Gross amounts offset in the Consolidated Balance Sheets	(623)	(235)
Less: Cash collateral applied	(579)	(490)
Total net derivative fair values presented in the Consolidated Balance Sheets	1,909	197
Derivatives not designated as hedging instruments:
Derivative Assets
Total derivative assets	1,823	1,497
Derivative Liabilities
Derivative Liabilities	3,058	920
Interest rate contracts
Derivative Assets
Total derivative assets	347	692
Derivative Liabilities
Derivative Liabilities	1,632	176
Interest rate contracts | Derivatives designated as hedging instruments:
Derivatives, Fair Value [Line Items]
Notional amount	42,250	23,450
Derivative Assets
Total derivative assets	16	12
Derivative Liabilities
Derivative Liabilities	53	2
Interest rate contracts | Derivatives not designated as hedging instruments:
Derivatives, Fair Value [Line Items]
Notional amount	174,384	142,987
Derivative Assets
Total derivative assets	331	680
Derivative Liabilities
Derivative Liabilities	1,579	174
Commodities contracts
Derivative Assets
Total derivative assets	953	508
Derivative Liabilities
Derivative Liabilities	942	505
Commodities contracts | Derivatives not designated as hedging instruments:
Derivatives, Fair Value [Line Items]
Notional amount	1,103	514
Derivative Assets
Total derivative assets	953	508
Derivative Liabilities
Derivative Liabilities	942	505
Foreign exchange contracts
Derivative Assets
Total derivative assets	527	263
Derivative Liabilities
Derivative Liabilities	519	231
Foreign exchange contracts | Derivatives not designated as hedging instruments:
Derivatives, Fair Value [Line Items]
Notional amount	29,475	21,336
Derivative Assets
Total derivative assets	527	263
Derivative Liabilities
Derivative Liabilities	519	231
TBA contracts
Derivative Assets
Total derivative assets	7	8
Derivative Liabilities
Derivative Liabilities	14	8
TBA contracts | Derivatives not designated as hedging instruments:
Derivatives, Fair Value [Line Items]
Notional amount	2,370	7,776
Derivative Assets
Total derivative assets	7	8
Derivative Liabilities
Derivative Liabilities	14	8
Other contracts
Derivative Assets
Total derivative assets	5	38
Derivative Liabilities
Derivative Liabilities	4	2
Other contracts | Derivatives not designated as hedging instruments:
Derivatives, Fair Value [Line Items]
Notional amount	913	3,555
Derivative Assets
Total derivative assets	5	38
Derivative Liabilities
Derivative Liabilities	$ 4	$ 2