Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Mar. 31, 2026	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2026	Jun. 30, 2025
Income Taxes
Income tax expense	$ 2		$ (45)		$ (47)	$ (119)
(Loss) income before income tax (expense) benefit	$ (386)		$ (246)		$ (998)	$ (900)
Effective income tax rate		(0.50%)		17.50%	4.70%	13.00%
Statutory federal income tax rate		21.00%		21.00%	21.00%	21.00%

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

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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+ Details