PRINCIPAL TRANSACTIONS (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Principal transactions revenue
Principal transactions revenue	$ 4,525	$ 2,304	$ 9,115	$ 6,217
Interest rate risks
Principal transactions revenue
Principal transactions revenue	1,450	530	2,920	1,964
Foreign exchange risks
Principal transactions revenue
Principal transactions revenue	1,639	965	3,187	1,927
Equity risks
Principal transactions revenue
Principal transactions revenue	345	358	1,276	1,203
Commodity and other risks
Principal transactions revenue
Principal transactions revenue	612	393	1,063	593
Credit products and risks
Principal transactions revenue
Principal transactions revenue	$ 479	$ 58	$ 669	$ 530