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Discontinued Operations Income Statement (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Expenses |  |  |  |
Net income from discontinued operations | $ 1 | $ 821 | $ 7 | $ 861
Tempo Business | Discontinued Operations, Disposed of by Sale |  |  |  |
Revenue |  |  |  |
Total revenue | 0 | 171 | 0 | 698
Expenses |  |  |  |
Total operating expenses | 0 | 156 | 3 | 626
Income (loss) from discontinued operations before income taxes | 0 | 26 | (3) | 83
Income tax expense (benefit) | 0 | 3 | (1) | 20
Income (loss) from discontinued operations excluding gain, net of tax | 0 | 23 | (2) | 63
Gain on sale of discontinued operations, net of tax | 1 | 798 | 9 | 798
Net income from discontinued operations | $ 1 | $ 821 | $ 7 | $ 861

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