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Income Taxes (Narrative) (Details) (USD $)
In Billions, unless otherwise specified |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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| Income Tax Disclosure [Abstract] | |||
| Effective income tax rate | 29.00% | 27.00% | 28.00% |
| Undistributed earnings of foreign subsidiaries | $ 2 | $ 2 | |
| X | ||||||||||
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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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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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