INCOME TAXES (Income Tax expense (benefit)) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current
International	$ 915	$ 887	$ 756
U.S. Federal	22	45	1,327
U.S. State	34	55	7
Total	971	987	2,090
Deferred
International	(12)	(3)	(10)
U.S. Federal	166	(107)	(57)
U.S. State	(32)	(40)	35
Total	122	(150)	(32)
Total
International	903	884	746
U.S. Federal	188	(62)	1,270
U.S. State	2	15	42
Income tax expense	$ 1,093	$ 837	$ 2,058