(Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
U.S. federal	$ 124	$ 271	$ 227
U.S. state and local	35	29	37
Non-U.S.	77	122	165
Current tax provision (benefit), total	236	422	429
U.S. federal	(6)	44	12
U.S. state and local	1	(23)	50
Non-U.S.	14	191	(46)
Deferred income tax provision (benefit), net	9	212	16
Income tax provision (benefit)	$ 245	$ 634	$ 445