Income Taxes (Income Tax Expense (Benefit)) (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
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| Income Tax Contingency [Line Items] | ||||
| Income tax (expense) benefit | $ (28) | $ (9) | $ (32) | $ (5) |
| Effective Income Tax Rate, Continuing Operations | 9.00% | 1.00% | 10.00% | 1.00% |
| Income Tax Uncertainties [Abstract] | ||||
| Unrecognized Tax Benefits | $ 53 | $ 53 | ||
| Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 12 | 12 | ||
| Unrecognized Tax Benefit Related to Deferred Tax Asset | 41 | 41 | ||
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | $ 11 | $ 11 | ||
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- Definition Unrecognized Tax Benefit Related to Deferred Tax Asset No definition available.
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. 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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