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Income Taxes (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
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Mar. 31, 2013
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Mar. 31, 2012
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| Operating Loss Carryforwards [Line Items] | ||
| Income tax expense | $ 279 | $ 96 |
| Effective tax rate | 30.00% | 24.00% |
| Federal statutory income tax rate | 35.00% | 35.00% |
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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 domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems. 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 pretax Income or Loss from continuing operations; income tax expense or benefit may include interest and penalties on tax uncertainties based on the entity's accounting policy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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