| **Income Taxes (Details) - USD ($) $ in Millions** | 3 Months Ended |
|----------------------------------------------------|----------------|
||
| **Income Tax Examination [Line Items]**            |           |   |
| Current                                            | $ 12           | $ 20 |
| Deferred                                           |           | (186) |
| Total Income Tax Provision (Benefit)               | $ 12           | $ (166) |
| Effective Tax Rate                                 | 20.30%         | 36.60% |
| US                                                 |           |   |
| **Income Tax Examination [Line Items]**            |           |   |
| Income Tax Examination, Year under Examination     | 2013           |   |
| Equatorial Guinea                                  |           |   |
| **Income Tax Examination [Line Items]**            |           |   |
| Income Tax Examination, Year under Examination     | 2011           |   |
| Israel                                             |           |   |
| **Income Tax Examination [Line Items]**            |           |   |
| Income Tax Examination, Year under Examination     | 2015           |   |

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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
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| - Definition
Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
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Tax year being audited in the income tax examination, in CCYY format.
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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
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