Income Taxes - Income Before Income Tax (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Loss before income taxes
U.S.	$ (212)	$ (400)	$ (230)
Non-U.S.	(157)	(112)	(291)
Loss before income taxes	$ (369)	$ (512)	$ (521)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details