INCOME TAXES - Components of Income Tax Provision (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current
Federal	$ 41	$ 407	$ 522
Non-U.S.	5,807	4,106	3,288
State	96	270	228
Total current income taxes	5,944	4,783	4,038
Deferred
Federal	(1,925)	(807)	1,059
Non-U.S.	(432)	353	8
State	(59)	(687)	346
Total deferred income taxes	(2,416)	(1,141)	1,413
Provision for income tax on continuing operations before non-controlling interests	3,528	3,642	5,451
Provision (benefit) for income taxes on:
Discontinued operations	0	(41)	0
Gains (losses) included in AOCI, but excluded from net income	557	(1,573)	(1,684)
Employee stock plans	(13)	(8)	(6)
Opening adjustment to Retained earnings	102	0	0
Opening adjustment to AOCI	12	0	0
Provision (benefit) for effect of securities transactions	51	14	169
Benefit for effect of other-than-temporary-impairment losses	$ (92)	$ (137)	$ (57)