Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Equity Award Programs	Common Stock	Common Stock Equity Award Programs	Common stock and additional paid-in capital	Common stock and additional paid-in capital Equity Award Programs	Accumulated deficit	Accumulated other comprehensive loss
Beginning balance, shares at Dec. 31, 2022			72.9
Beginning balance at Dec. 31, 2022	$ 657				$ 1,206		$ (542)	$ (7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)				0.2
Issuance of common stock		$ 1				$ 1
Stock-based compensation	19				19
Other comprehensive income (loss)	3							3
Net loss	(80)						(80)
Ending balance, shares at Mar. 31, 2023			73.1
Ending balance at Mar. 31, 2023	$ 600				1,226		(622)	(4)
Beginning balance, shares at Dec. 31, 2023	75.5		75.5
Beginning balance at Dec. 31, 2023	$ 462				1,311		(849)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)			15.2	0.2
Issuance of common stock	228	$ 2			228	$ 2
Stock-based compensation	20				20
Other comprehensive income (loss)	(1)							(1)
Net loss	$ (4)						(4)
Ending balance, shares at Mar. 31, 2024	90.9		90.9
Ending balance at Mar. 31, 2024	$ 707				$ 1,561		$ (853)	$ (1)