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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, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Income Tax Disclosure [Abstract] | |||
| Deferred income tax liability, net of current | $ 9 | $ 42 | $ (86) |
| Discontinued Operation, Tax Effect of Discontinued Operation | 0 | 0 | 59 |
| Intraperiod tax allocation expense (benefit) included in OCI | $ (9) | $ (45) | $ 27 |
| X | ||||||||||
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- Definition
Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The sum of income tax expense or benefit for the period that has been allocated among continuing operations, discontinued operations, extraordinary items, other comprehensive income, and items charged or credited directly to shareholders' equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tax effect of other comprehensive income (loss) attributable to both parent entity and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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