Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Earnings (loss) before income taxes	$ 1,262	$ (32)
Current income tax expense (benefit)	103	(5)
Deferred income tax expense (benefit)	164	(243)
Total income tax expense (benefit)	$ 267	$ (248)