Income Taxes (Significant Components Of Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current
Federal	$ 96	$ 541	$ 327
State	25	53	5
Foreign	171	127	146
Deferred
Federal	(55)	(645)	18
State	(16)	(6)	28
Foreign	24	(63)	10
Total Income Taxes	$ 245	$ 7	$ 534

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

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