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Income Taxes (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2012
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Sep. 30, 2011
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| Income Taxes (Textual) [Abstract] | ||||
| Income tax provision | $ 28 | $ 5 | $ 75 | $ 72 |
| Effective tax rate | 27.80% | 6.30% | 25.20% | 24.00% |
| Likelihood of uncertain tax positions | greater than 50% | |||
| Tax benefit | 50.00% | |||
| Unrecognized tax benefits | $ 7 | $ 7 | ||
| Interest accrued for unrecognized tax benefits | less than $1 million | |||
| Period for unrecognized tax benefit significant change | 12 months | |||
| X | ||||||||||
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- Definition
A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Interest accrued for unrecognized tax benefits. No definition available.
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- Definition
Period for unrecognized tax benefit significant change. No definition available.
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- Definition
Unrecognized Tax Benefits Recognition Description. No definition available.
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- Definition
Unrecognized tax benefits recognition probability percentage. No definition available.
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