Income Taxes (Components of Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Federal:
Current	$ (2)	$ (8)	$ (7)
Deferred	42	(17)	(4)
State:
Current	1	0	(1)
Deferred	18	2	0
Foreign:
Current	273	458	368
Deferred	$ (465)	$ (219)	$ (4)