Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Income Tax Disclosure [Abstract]
Effective income tax rate reconciliation (as percent)	(0.90%)	(153.30%)	(5.60%)	(123.90%)
Income tax expense	$ 9	$ 460	$ 59	$ 529
Valuation allowance		$ 478		$ 537

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

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+ Details