Income Taxes - Income (loss) from continuing operations before income tax benefit (expense) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Taxes
Domestic	$ (337)	$ (570)	$ (943)
International	(8)	3	21
Loss before income tax benefit (expense)	$ (345)	$ (567)	$ (922)

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