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REVENUE (Tables) | 12 Months Ended
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Dec. 31, 2020
Revenue from Contract with Customer [Abstract] |
Schedule of reconciliation of revenue from customers to total net sales | The following table reconciles revenue from customers to total net sales for the years ended December 31:
millions |  | 2020 |  | 2019
Revenue from customers |  | $ | 17,130 |  |  | $ | 19,192 |
All other revenues (a) |  | 679 |  |  | 1,719 |
Net sales |  | $ | 17,809 |  |  | $ | 20,911 |
(a)Included net marketing derivatives, oil collars and calls and chemical exchange contracts.
Schedule of revenue from customers by segment, product, and geographical area |
millions |  | United States |  | Middle East |  | Latin America |  | Other International |  | Eliminations |  | Total
Year ended December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |
Oil and gas |  |  |  |  |  |  |  |  |  |  |  |
Oil |  | $ | 7,485 |  |  | $ | 1,949 |  |  | $ | 454 |  |  | $ | — |  |  | $ | — |  |  | $ | 9,888 |
NGL |  | 838 |  |  | 217 |  |  | — |  |  | — |  |  | — |  |  | 1,055 |
Gas |  | 660 |  |  | 313 |  |  | 13 |  |  | — |  |  | — |  |  | 986 |
Other |  | 65 |  |  | 1 |  |  | — |  |  | — |  |  | — |  |  | 66 |
Segment total |  | $ | 9,048 |  |  | $ | 2,480 |  |  | $ | 467 |  |  | $ | — |  |  | $ | — |  |  | $ | 11,995 |
Chemical |  | $ | 3,524 |  |  | $ | — |  |  | $ | 137 |  |  | $ | 65 |  |  | $ | — |  |  | $ | 3,726 |
Midstream and marketing |  |  |  |  |  |  |  |  |  |  |  |
Gas processing |  | $ | 350 |  |  | $ | 294 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 644 |
Marketing |  | 1,144 |  |  | — |  |  | — |  |  | 278 |  |  | — |  |  | 1,422 |
Power and other |  | 101 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 101 |
Segment total |  | $ | 1,595 |  |  | $ | 294 |  |  | $ | — |  |  | $ | 278 |  |  | $ | — |  |  | $ | 2,167 |
Eliminations |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (758) |  |  | $ | (758) |
Consolidated |  | $ | 14,167 |  |  | $ | 2,774 |  |  | $ | 604 |  |  | $ | 343 |  |  | $ | (758) |  |  | $ | 17,130 |
Year ended December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |
Oil and gas |  |  |  |  |  |  |  |  |  |  |  |
Oil |  | $ | 8,411 |  |  | $ | 3,256 |  |  | $ | 683 |  |  | $ | — |  |  | $ | — |  |  | $ | 12,350 |
NGL |  | 658 |  |  | 283 |  |  | — |  |  | — |  |  | — |  |  | 941 |
Gas |  | 424 |  |  | 319 |  |  | 20 |  |  | — |  |  | — |  |  | 763 |
Other |  | (1) |  |  | (5) |  |  | — |  |  | — |  |  | — |  |  | (6) |
Segment total |  | $ | 9,492 |  |  | $ | 3,853 |  |  | $ | 703 |  |  | $ | — |  |  | $ | — |  |  | $ | 14,048 |
Chemical |  | $ | 3,858 |  |  | $ | — |  |  | $ | 155 |  |  | $ | 67 |  |  | $ | — |  |  | $ | 4,080 |
Midstream and marketing (a) |  |  |  |  |  |  |  |  |  |  |  |
Gas processing and CO 2 |  | $ | 395 |  |  | $ | 351 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 746 |
Marketing |  | 436 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 436 |
WES - Gas processing |  | 1,110 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,110 |
Power and other |  | 36 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 36 |
Segment total |  | $ | 1,977 |  |  | $ | 351 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,328 |
Eliminations |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (1,264) |  |  | $ | (1,264) |
Consolidated |  | $ | 15,327 |  |  | $ | 4,204 |  |  | $ | 858 |  |  | $ | 67 |  |  | $ | (1,264) |  |  | $ | 19,192 |
(a)The midstream and marketing segment included revenues from customers from WES from the date of the Acquisition to December 31, 2019. See Note 1 - Summary of Significant Accounting Policies for more information.
Transaction price allocated to remaining performance obligations |

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