Income Taxes - Income Tax Expense (Benefit) Table (Detail) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
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| Income Tax Disclosure [Abstract] | ||||
| Current income tax expense (benefit) | $ (522) | $ 103 | $ 240 | $ 148 |
| Deferred income tax expense (benefit) | 484 | (417) | (181) | (845) |
| Total income tax expense (benefit) | (38) | (314) | 59 | (697) |
| Income (loss) before income taxes | $ (372) | $ (925) | $ (550) | $ (2,306) |
| Effective tax rate | 10.00% | 34.00% | (11.00%) | 30.00% |
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- Definition Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount 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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