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Revenues and Segment Information, Disaggregation of Revenue by Product (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Revenue by Segment |  |  |
Revenues | [1] | $ 24,263 | $ 26,439
Corporate, Reconciling Items And Eliminations [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | (105) | (91)
Corporate [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | 0 | 1
Corporate - Other Revenues [Member] | Corporate [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | 0 | 1
Refining [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | 23,218 | 25,453
Refining [Member] | Operating Segments [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | 23,220 | 25,457
Refining [Member] | Gasoline and Blendstocks [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | 9,374 | 10,629
Refining [Member] | Distillates [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | 11,917 | 12,550
Refining [Member] | Other Product Revenues [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | 1,927 | 2,274
Ethanol [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | 793 | 877
Ethanol [Member] | Operating Segments [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | 845 | 923
Ethanol [Member] | Ethanol [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | 620 | 701
Ethanol [Member] | Distillers Grains [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | 173 | 176
Renewable Diesel [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | 252 | 108
Renewable Diesel [Member] | Operating Segments [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | 303 | 150
Renewable Diesel [Member] | Renewable Diesel [Member] |  |  |
Revenue by Segment |  |  |
Revenues |  | $ 252 | $ 108
[1] | Includes excise taxes on sales by certain of our international operations of $1,330 million and $1,464 million for the three months ended March 31, 2019 and 2018, respectively.

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