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Aruba Disposition (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jun. 30, 2016 | Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Aruba Disposition (Textual) |  |  |  |  |
Asset impairment loss |  | $ 0 | $ 0 | $ 56 | $ 0
Tax benefit on disposition |  | $ (144) | $ (657) | (652) | $ (1,715)
Aruba Terminal [Member] |  |  |  |  |
Aruba Disposition (Textual) |  |  |  |  |
Asset impairment loss | $ 56 |  |  |  |
Refining [Member] | Aruba Disposition [Member] |  |  |  |  |
Aruba Disposition (Textual) |  |  |  |  |
Tax benefit on disposition |  |  |  | $ 42 |
Refining [Member] | Aruba Terminal [Member] |  |  |  |  |
Aruba Disposition (Textual) |  |  |  |  |
Asset impairment loss | $ 56 |  |  |  |

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