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Income Taxes (Schedule of Income Tax Expense (Benefit) Intraperiod Tax Allocation) (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Continuing Operations [Member]
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| Income Tax [Line Items] | |||
| Deferred income tax liability, net of current | $ 1 | $ 9 | $ 42 |
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Other Comprehensive Income (Loss) [Member]
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| Income Tax [Line Items] | |||
| Deferred income tax liability, net of current | $ (1) | $ (9) | $ (45) |