Income Taxes - Income Tax Paid (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Paid, by Individual Jurisdiction [Line Items]
Federal	$ 395	$ 288	$ 159
State	60	90	85
Total	628	488	402
United Kingdom
Income Tax Paid, by Individual Jurisdiction [Line Items]
Foreign	44	35	52
Other foreign jurisdictions
Income Tax Paid, by Individual Jurisdiction [Line Items]
Foreign	$ 129	$ 75	$ 106

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Amount, after income tax refund received, of cash paid to federal (national) tax jurisdiction for tax on income.

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Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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