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Revenue (Tables) | 3 Months Ended
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Mar. 31, 2021
Revenue from Contract with Customer [Abstract] |
Schedule of reconciliation of revenue from customers to total net sales | The following table shows a reconciliation of revenue from customers to total net sales for the three months ended March 31, 2021 and 2020:
|  | Three months ended March 31,
millions |  | 2021 |  | 2020
Revenue from customers |  | $ | 5,184 |  |  | $ | 5,250 |
All other revenues (a) |  | 109 |  |  | 1,363 |
Net sales |  | $ | 5,293 |  |  | $ | 6,613 |
(a) Includes net marketing derivatives, natural gas collars, oil collars and calls and chemical exchange contracts.
Schedule of revenue from customers by segment, product, and geographical area | Excluding net marketing revenue, midstream and marketing segment revenues are shown by the location of sale.
millions |  | United States |  | International |  | Eliminations |  | Total
Three months ended March 31, 2021 |  |  |  |  |  |  |  |
Oil and gas |  |  |  |  |  |  |  |
Oil |  | $ | 2,464 |  |  | $ | 549 |  |  | $ | — |  |  | $ | 3,013 |
NGL |  | 384 |  |  | 52 |  |  | — |  |  | 436 |
Gas |  | 253 |  |  | 64 |  |  | — |  |  | 317 |
Other |  | (31) |  |  | — |  |  | — |  |  | (31) |
Segment total |  | $ | 3,070 |  |  | $ | 665 |  |  | $ | — |  |  | $ | 3,735 |
Chemical |  | $ | 1,037 |  |  | $ | 50 |  |  | $ | — |  |  | $ | 1,087 |
Midstream and marketing |  |  |  |  |  |  |  |
Gas processing |  | $ | 101 |  |  | $ | 84 |  |  | $ | — |  |  | $ | 185 |
Marketing |  | 438 |  |  | 47 |  |  | — |  |  | 485 |
Power and other |  | (42) |  |  | — |  |  | — |  |  | (42) |
Segment total |  | $ | 497 |  |  | $ | 131 |  |  | $ | — |  |  | $ | 628 |
Eliminations |  | $ | — |  |  | $ | — |  |  | $ | (266) |  |  | $ | (266) |
Consolidated |  | $ | 4,604 |  |  | $ | 846 |  |  | $ | (266) |  |  | $ | 5,184 |
millions |  | United States |  | International |  | Eliminations |  | Total
Three months ended March 31, 2020 |  |  |  |  |  |  |  |
Oil and gas |  |  |  |  |  |  |  |
Oil |  | $ | 2,755 |  |  | $ | 789 |  |  | $ | — |  |  | $ | 3,544 |
NGL |  | 213 |  |  | 65 |  |  | — |  |  | 278 |
Gas |  | 183 |  |  | 85 |  |  | — |  |  | 268 |
Other |  | 11 |  |  | — |  |  | — |  |  | 11 |
Segment total |  | $ | 3,162 |  |  | $ | 939 |  |  | $ | — |  |  | $ | 4,101 |
Chemical |  | $ | 910 |  |  | $ | 51 |  |  | $ | — |  |  | $ | 961 |
Midstream and marketing |  |  |  |  |  |  |  |
Gas processing |  | $ | 105 |  |  | $ | 71 |  |  | $ | — |  |  | $ | 176 |
Marketing |  | 246 |  |  | (51) |  |  | — |  |  | 195 |
Power and other |  | 16 |  |  | — |  |  | — |  |  | 16 |
Segment total |  | $ | 367 |  |  | $ | 20 |  |  | $ | — |  |  | $ | 387 |
Eliminations |  | $ | — |  |  | $ | — |  |  | $ | (199) |  |  | $ | (199) |
Consolidated |  | $ | 4,439 |  |  | $ | 1,010 |  |  | $ | (199) |  |  | $ | 5,250 |

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