INCOME TAXES - Total Provision for Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current income taxes:
Federal	$ (38)	$ (14)	$ 363
State	(8)	(30)	41
Foreign	641	435	31
Total current income taxes	595	391	435
Deferred income taxes:
Federal	(1,010)	(257)	(1,123)
State	0	0	(51)
Foreign	(170)	(576)	(271)
Total deferred income taxes	(1,180)	(833)	(1,445)
Total	$ (585)	$ (442)	$ (1,010)