Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Tax Disclosure [Abstract]
Earnings before income taxes	$ 2,495	$ 304	$ 3,757	$ 272
Current income tax expense	252	19	355	14
Deferred income tax expense (benefit)	305	24	469	(219)
Total income tax expense (benefit)	$ 557	$ 43	$ 824	$ (205)