CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,233)	$ (288)	$ (2,227)	$ (665)
Other comprehensive (loss) income	0	0	0	0
Comprehensive loss	$ (1,233)	$ (288)	$ (2,227)	$ (665)