DERIVATIVES - Net Investment Hedges (Details) - Net Investment Hedging - CTA - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivative gain (losses)
(Loss) gain recognized in OCI, effective portion, net	$ (1,400)	$ 370	$ 855
Pretax loss reclassified from AOCI into earnings	$ 36