Income Taxes - Income (Loss) before Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
U.S.	$ (325)	$ 41	$ (102)
Foreign	(352)	358	615
Income (Loss) before Income Taxes	$ (677)	$ 399	$ 513