Income Taxes (Significant Components Of Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current
Federal	$ 37	$ 96	$ 541
State	11	25	53
Foreign	181	171	127
Deferred
Federal	47	(55)	(645)
State	1	(16)	(6)
Foreign	(68)	24	(63)
Total Income Taxes	$ 209	$ 245	$ 7

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

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