Income Taxes (Schedule of Income before Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Income, United States	$ 4,061	$ 3,498	$ (2,762)
Income, Foreign	1,966	1,433	409
Income from continuing operations before income taxes	$ 6,027	$ 4,931	$ (2,353)