Consolidated Statements of Comprehensive Loss - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Net loss	$ (353)	$ (283)	$ (307)
Other comprehensive income	0	0	7
Comprehensive loss	$ (353)	$ (283)	$ (300)