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Segment Information, Activity (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2017 USD ($) segments | Jun. 30, 2016 USD ($)
Segment Information for our Reportable Segments |  |  |  |  |  |  |
Operating revenues | [1] | $ 22,254 | $ 19,584 |  | $ 44,026 | $ 35,298 |
Cost of sales (excluding the lower of cost or market inventory valuation adjustment) |  | 19,609 | 17,120 |  | 39,037 | 30,627 |
Lower of cost or market inventory valuation adjustment |  | 0 | (454) |  | 0 | (747) |
Operating expenses |  | 1,097 | 1,001 |  | 2,214 | 2,031 |
General and administrative expenses |  | 178 | 159 |  | 368 | 315 |
Depreciation and amortization expense |  | 499 | 471 |  | 999 | 956 |
Asset impairment loss |  | 0 | 56 |  | 0 | 56 |
Total costs and expenses |  | 21,383 | 18,353 |  | 42,618 | 33,238 |
Operating income (loss) |  | 871 | 1,231 |  | $ 1,408 | 2,060 |
Disclosure of Entity's Reportable Segments (Textual) |  |  |  |  |  |  |
Number of reportable segments | segments |  |  |  |  | 3 |  |
Intersegment Eliminations [Member] |  |  |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |  |  |
Operating revenues |  | (138) | (132) |  | $ (304) | (245) |
Cost of sales (excluding the lower of cost or market inventory valuation adjustment) |  | (138) | (132) |  | (304) | (245) |
Corporate, Non-Segment [Member] |  |  |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |  |  |
Operating revenues |  | (138) | (132) |  | (304) | (245) |
Cost of sales (excluding the lower of cost or market inventory valuation adjustment) |  | (138) | (132) |  | (304) | (245) |
Operating expenses |  | (2) | 0 |  | (2) | 0 |
General and administrative expenses |  | 178 | 159 |  | 368 | 315 |
Depreciation and amortization expense |  | 14 | 11 |  | 26 | 23 |
Asset impairment loss |  |  | 0 |  |  | 0 |
Total costs and expenses |  | 52 | 38 |  | 88 | 93 |
Operating income (loss) |  | (190) | (170) |  | (392) | (338) |
Refining [Member] |  |  |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |  |  |
Operating revenues |  | 21,415 | 18,664 |  | 42,302 | 33,584 |
Cost of sales (excluding the lower of cost or market inventory valuation adjustment) |  | 18,899 | 16,322 |  | 37,540 | 29,121 |
Refining [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |  |  |
Operating revenues |  | 0 | 0 |  | 0 | 0 |
Cost of sales (excluding the lower of cost or market inventory valuation adjustment) |  | 138 | 132 |  | 304 | 245 |
Refining [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |  |  |
Operating revenues |  | 21,415 | 18,664 |  | 42,302 | 33,584 |
Cost of sales (excluding the lower of cost or market inventory valuation adjustment) |  | 19,037 | 16,454 |  | 37,844 | 29,366 |
Lower of cost or market inventory valuation adjustment |  |  | (434) |  |  | (697) |
Operating expenses |  | 965 | 878 |  | 1,949 | 1,785 |
General and administrative expenses |  | 0 | 0 |  | 0 | 0 |
Depreciation and amortization expense |  | 454 | 430 |  | 903 | 879 |
Asset impairment loss |  |  | 56 |  |  | 56 |
Total costs and expenses |  | 20,456 | 17,384 |  | 40,696 | 31,389 |
Operating income (loss) |  | 959 | 1,280 |  | 1,606 | 2,195 |
Ethanol [Member] |  |  |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |  |  |
Operating revenues |  | 839 | 920 |  | 1,724 | 1,714 |
Cost of sales (excluding the lower of cost or market inventory valuation adjustment) |  | 710 | 798 |  | 1,497 | 1,506 |
Ethanol [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |  |  |
Operating revenues |  | 28 | 45 |  | 88 | 79 |
Cost of sales (excluding the lower of cost or market inventory valuation adjustment) |  | 0 | 0 |  | 0 | 0 |
Ethanol [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |  |  |
Operating revenues |  | 867 | 965 |  | 1,812 | 1,793 |
Cost of sales (excluding the lower of cost or market inventory valuation adjustment) |  | 710 | 798 |  | 1,497 | 1,506 |
Lower of cost or market inventory valuation adjustment |  |  | (20) |  |  | (50) |
Operating expenses |  | 107 | 99 |  | 216 | 198 |
General and administrative expenses |  | 0 | 0 |  | 0 | 0 |
Depreciation and amortization expense |  | 19 | 19 |  | 46 | 31 |
Asset impairment loss |  |  | 0 |  |  | 0 |
Total costs and expenses |  | 836 | 896 |  | 1,759 | 1,685 |
Operating income (loss) |  | 31 | 69 |  | 53 | 108 |
VLP [Member] |  |  |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |  |  |
Operating revenues |  | 0 | 0 |  | 0 | 0 |
Cost of sales (excluding the lower of cost or market inventory valuation adjustment) |  | 0 | 0 |  | 0 | 0 |
VLP [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |  |  |
Operating revenues |  | 110 | 87 |  | 216 | 166 |
Cost of sales (excluding the lower of cost or market inventory valuation adjustment) |  | 0 | 0 |  | 0 | 0 |
VLP [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |  |  |
Operating revenues |  | 110 | 87 |  | 216 | 166 |
Cost of sales (excluding the lower of cost or market inventory valuation adjustment) |  | 0 | 0 |  | 0 | 0 |
Lower of cost or market inventory valuation adjustment |  |  | 0 |  |  | 0 |
Operating expenses |  | 27 | 24 | [2] | 51 | 48 | [2]
General and administrative expenses |  | 0 | 0 |  | 0 | 0 |
Depreciation and amortization expense |  | 12 | 11 | [2] | 24 | 23 | [2]
Asset impairment loss |  |  | 0 |  |  | 0 |
Total costs and expenses |  | 39 | 35 |  | 75 | 71 |
Operating income (loss) |  | $ 71 | $ 52 |  | $ 141 | $ 95 |
[1] | Includes excise taxes on sales by certain of our international operations of $1,384 million and $1,470 million for the three months ended June 30, 2017 and 2016, respectively, and $2,656 million and $2,865 million for the six months ended June 30, 2017 and 2016, respectively.
[2] | The VLP segment information for the three months ended June 30, 2016 has been retrospectively adjusted for VLP’s acquisitions that occurred subsequent to June 30, 2016.

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