Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Current Tax Provision, Federal	$ 1,724	$ 387	$ 324
Current Tax Provision, State	126	60	45
Current Tax Provision, Foreign	513	427	305
Current Income Tax Expense Benefit	2,363	874	674
Future Tax Provision, Federal	(1,399)	(26)	(264)
Future Tax Provision, State	(166)	41	258
Future Tax Provision, Foreign	(98)	(103)	(93)
Deferred income tax benefit	(1,663)	(88)	(99)
Effective income tax rate	$ 700	$ 786	$ 575