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Income Taxes (Source of Income (Loss) Before Income Taxes) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Sources of Income (Loss) Before Income Taxes |  |  |
Income from continuing operations before income taxes | $ 1,568 | $ 1,979 | $ 1,221
Income (loss) from discontinued operations before income taxes | 15 | (525) | 0
Income before income tax | $ 1,583 | $ 1,454 | $ 1,221

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- Definition The portion of earnings or loss from continuing and discontinuing operations before income taxes less the amount attributable to noncontrolling interest. + References No definition available. + Details
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- Definition Sum of operating profit and nonoperating income or expense before income taxes less the amount attributable to noncontrolling interest. + References No definition available. + Details
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- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
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- Definition The portion of earnings or loss from discontinuing operations before income taxes less the amount attributable to noncontrolling interest. + References No definition available. + Details
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