Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net income (loss)	$ 3	$ 21	$ (269)	$ 63
Other comprehensive income (loss)
Foreign currency translation adjustments	5	(8)	(8)	(3)
Hedge accounting adjustments, net of tax	1	0	(5)	(6)
Total other comprehensive income (loss), net of tax	6	(8)	(13)	(9)
Comprehensive income (loss)	$ 9	$ 13	$ (282)	$ 54