Income Taxes (Schedule of Earnings (Loss) from Continuing Operations Before Tax by Jurisdiction) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
U.S.	$ 202	$ 1,530	$ 252
International	2,046	721	736
Earnings (loss) from continuing operations before tax	$ 2,248	$ 2,251	$ 988