CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - 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 (loss) income	$ (925)	$ 37	$ (1,201)	$ 94
Foreign currency translation adjustments	1	0	1	0
Change in fair market value of interest rate swaps, net of tax	14	0	14	0
Other comprehensive income, net of tax	15	0	15	0
Comprehensive (loss) income	(910)	37	(1,186)	94
Comprehensive income attributable to noncontrolling interests	(1)	0	(1)	0
Comprehensive (loss) income	$ (911)	$ 37	$ (1,187)	$ 94