CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (541)	$ (1,028)	$ (3,687)
Other comprehensive loss, net of tax:
Foreign currency translation	0	(1)	0
Net losses on hedging instruments:
Net losses arising during the period	(4)	0	0
Reclassification adjustment for net losses included in net loss	1	0	0
Net loss on hedging instruments	(3)	0	0
Total other comprehensive loss, net of tax	(3)	(1)	0
Total comprehensive loss	$ (544)	$ (1,029)	$ (3,687)