INCOME TAXES - Schedule of Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
U.S.	$ 1,879	$ 1,245	$ 1,002
Non-U.S.	598	(104)	1,437
Total Current	2,477	1,141	2,439
Deferred:
U.S.	(1,255)	229	(113)
Non-U.S.	(138)	754	(811)
Total Deferred	(1,393)	983	(924)
Total Provision	$ 1,084	$ 2,124	$ 1,515