Income Taxes (Provision For Income Taxes From Continuing Operations) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Expense (Benefit), Continuing Operations, by Jurisdiction [Abstract]
Federal U.S., current	$ 183	$ (321)	$ 453
Non-U.S., current	1,134	580	800
State and local, current	163	72	35
Federal U.S., deferred	(156)	530	(297)
Non-U.S., deferred	(23)	(16)	(128)
State and local, deferred	(50)	4	10
Income tax provision	$ 1,251	$ 849	$ 873