Income Taxes, Components of Income (Loss) Before Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Components of Income Before Income Tax Expense
U.S. operations	$ 899	$ 2,685	$ 9,335
Foreign operations	2,106	1,013	2,433
Income before income tax expense	$ 3,005	$ 3,698	$ 11,768