Income Taxes, Components of Income (Loss) Before Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Components of Income (Loss) Before Income Tax Expense (Benefit)
U.S. operations	$ 11,716	$ 1,023	$ (2,072)
Foreign operations	3,591	520	62
Income (loss) before income tax expense (benefit)	$ 15,307	$ 1,543	$ (2,010)