PRINCIPAL TRANSACTIONS (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Principal transactions revenue
Principal transactions revenue	$ 2,528	$ 4,525	$ 6,467	$ 9,115
Interest rate risks
Principal transactions revenue
Principal transactions revenue	594	1,418	1,974	2,688
Foreign exchange risks
Principal transactions revenue
Principal transactions revenue	1,334	1,672	2,827	3,419
Equity risks
Principal transactions revenue
Principal transactions revenue	205	345	839	1,276
Commodity and other risks
Principal transactions revenue
Principal transactions revenue	469	612	967	1,063
Credit products and risks
Principal transactions revenue
Principal transactions revenue	$ (74)	$ 478	$ (140)	$ 669