Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ 197	$ 114	$ 486	$ (3,361)
OTHER COMPREHENSIVE INCOME (LOSS)
Foreign currency translation adjustments, net of $(21), $22, $(2) and $24 tax	41	(110)	(179)	(115)
Other comprehensive income (loss), net of tax	41	(110)	(179)	(115)
COMPREHENSIVE INCOME (LOSS)	$ 238	$ 4	$ 307	$ (3,476)