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Income Taxes (Schedule Of Income Tax (Provisions) Benefits Attributable To Income From Continuing Operations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 Rate	Mar. 31, 2013 Rate
Income Tax Disclosure [Abstract]
Current Income Tax Expense (Benefit)	$ 12	$ 6
Deferred income taxes	41	44
Income tax provision (benefit)	53	50
Effective Tax Rate	26.00%	37.00%
Statutory Tax Rate	35.00%	35.00%
Unrecognized tax benefit recognized in period	$ 21

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

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