CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (248)	$ (355)
Other comprehensive loss:
Foreign currency translation adjustments	0	2
Net unrealized gain on available-for-sale investments	0	1
Comprehensive loss	$ (248)	$ (352)