INCOME TAX (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
U.S. Federal	$ 415	$ 475	$ 8
U.S. State	146	79	43
Non-U.S.	886	768	1,099
Current tax expense	1,447	1,322	1,150
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
U.S. Federal	173	234	332
U.S. State	37	39	63
Non-U.S.	(32)	(448)	(216)
Deferred tax expense	178	(175)	179
Tax expense	1,625	1,147	1,329
Income before taxes
U.S.	3,955	3,318	4,178
Non-U.S.	3,280	2,694	3,381
Income before taxes	$ 7,235	$ 6,012	$ 7,559