PRINCIPAL TRANSACTIONS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Principal transactions revenue
Principal transactions revenue	$ 3,008	$ 2,625	$ 9,475	$ 11,740
Interest rate risks
Principal transactions revenue
Principal transactions revenue	955	458	2,926	3,143
Foreign exchange risks
Principal transactions revenue
Principal transactions revenue	1,295	1,555	4,125	4,978
Equity risks
Principal transactions revenue
Principal transactions revenue	308	411	1,147	1,687
Commodity and other risks
Principal transactions revenue
Principal transactions revenue	475	404	1,443	1,466
Credit products and risks
Principal transactions revenue
Principal transactions revenue	$ (25)	$ (203)	$ (166)	$ 466