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Spin-off of Distribution Business (Tables) | 12 Months Ended
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Dec. 31, 2015
Discontinued Operations and Disposal Groups [Abstract] |
Schedule of Selected Financial Information Reported as Discontinued Operations | The following table presents selected financial information, through May 30, 2014, regarding the results of operations of our distribution business, which is reported as discontinued operations (in millions):
|  | Years Ended December 31, |
|  | 2014 |  |  | 2013 |
Revenue from discontinued operations |  | $ | 1,701 |  |  | $ | 4,296 |
Income from discontinued operations before income taxes |  |  | 83 |  |  |  | 222 |
Income tax expense |  |  | 31 |  |  |  | 75 |
Income from discontinued operations |  | $ | 52 |  |  | $ | 147 |

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