Income Taxes (Significant Components Of Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current
Federal	$ (164)	$ 37	$ 96
State	4	11	25
Foreign	186	181	171
Deferred
Federal	41	47	(55)
State	(10)	1	(16)
Foreign	44	(68)	24
Total Income Taxes	$ 101	$ 209	$ 245

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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