Net Loss Per Share - Computation of Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net loss (Numerator):
Net loss	$ (283)	$ (307)	$ (267)
Weighted-average shares (Denominator):
Weighted-average shares for basic EPS (in shares)	90.1	74.0	72.0
Weighted-average shares for diluted EPS (in shares)	90.1	74.0	72.0
Net loss per share, basic (in dollars per share)	$ (3.14)	$ (4.15)	$ (3.71)
Net loss per share, diluted (in dollars per share)	$ (3.14)	$ (4.15)	$ (3.71)