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REVENUE (Tables) | 12 Months Ended
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Dec. 31, 2019
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 |  | 2019 |  |  | 2018 |
Revenue from customers |  | $ | 18,674 |  |  | $ | 15,560 |
All other revenues (a) |  | 1,719 |  |  | 2,264 |
Net sales |  | $ | 20,393 |  |  | $ | 17,824 |
(a) Included net marketing derivatives, oil collars and calls and chemical exchange contracts.
Schedule of revenue from customers by segment, product, and geographical area | The following table presents Occidental’s revenue from customers by segment, product and geographical area. The oil and gas segment typically sells its oil, gas and NGL at the lease or concession area. Chemical revenues are shown by geographic area based on the location of the sale. Marketing and midstream revenues are shown by the location of sale.
millions |  | United States |  |  | Middle East |  |  | Latin America |  |  | Other International |  |  | Eliminations |  |  | Total |
Year ended December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |
Oil and Gas |  |  |  |  |  |  |  |  |  |  |  |
Oil |  | $ | 8,411 |  |  | $ | 2,758 |  |  | $ | 683 |  |  | $ | — |  |  | $ | — |  |  | $ | 11,852 |
NGL |  | 658 |  |  | 263 |  |  | — |  |  | — |  |  | — |  |  | 921 |
Gas |  | 424 |  |  | 319 |  |  | 20 |  |  | — |  |  | — |  |  | 763 |
Other |  | (1 | ) |  | (5 | ) |  | — |  |  | — |  |  | — |  |  | (6 | )
Segment total |  | $ | 9,492 |  |  | $ | 3,335 |  |  | $ | 703 |  |  | $ | — |  |  | $ | — |  |  | $ | 13,530 |
Chemical |  | $ | 3,858 |  |  | $ | — |  |  | $ | 155 |  |  | $ | 67 |  |  | $ | — |  |  | $ | 4,080 |
Marketing and Midstream (a) |  |  |  |  |  |  |  |  |  |  |  |
Gas processing |  | $ | 395 |  |  | $ | 351 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 746 |
WES - Gas processing and pipeline |  | 1,110 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,110 |
Power and other |  | 472 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 472 |
Segment total |  | $ | 1,977 |  |  | $ | 351 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,328 |
Eliminations |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (1,264 | ) |  | $ | (1,264 | )
Consolidated |  | $ | 15,327 |  |  | $ | 3,686 |  |  | $ | 858 |  |  | $ | 67 |  |  | $ | (1,264 | ) |  | $ | 18,674 |
Year ended December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Oil and Gas |  |  |  |  |  |  |  |  |  |  |  |
Oil |  | $ | 5,125 |  |  | $ | 3,405 |  |  | $ | 715 |  |  | $ | — |  |  | $ | — |  |  | $ | 9,245 |
NGL |  | 430 |  |  | 261 |  |  | — |  |  | — |  |  | — |  |  | 691 |
Gas |  | 185 |  |  | 294 |  |  | 16 |  |  | — |  |  | — |  |  | 495 |
Other |  | 7 |  |  | 3 |  |  | — |  |  | — |  |  | — |  |  | 10 |
Segment total |  | $ | 5,747 |  |  | $ | 3,963 |  |  | $ | 731 |  |  | $ | — |  |  | $ | — |  |  | $ | 10,441 |
Chemical |  | $ | 4,363 |  |  | $ | — |  |  | $ | 205 |  |  | $ | 80 |  |  | $ | — |  |  | $ | 4,648 |
Marketing and Midstream |  |  |  |  |  |  |  |  |  |  |  |
Gas processing |  | $ | 557 |  |  | $ | 425 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 982 |
Pipelines |  | 311 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 311 |
Power and other |  | 108 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 108 |
Segment total |  | $ | 976 |  |  | $ | 425 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,401 |
Eliminations |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (930 | ) |  | $ | (930 | )
Consolidated |  | $ | 11,086 |  |  | $ | 4,388 |  |  | $ | 936 |  |  | $ | 80 |  |  | $ | (930 | ) |  | $ | 15,560 |
(a) The marketing and midstream 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
Transaction price allocated to remaining performance obligations | Revenue expected to be recognized from certain performance obligations that are unsatisfied as of December 31, 2019, is reflected in the table below. Occidental applies the optional exemptions in Topic 606 and does not disclose consideration for remaining performance obligations with an original expected duration of one year or less or for variable consideration related to unsatisfied performance obligations. As a result, the following table represents a small portion of Occidental’s expected future consolidated revenues, as future revenue from the sale of most products and services is dependent on future production or variable customer volume and variable commodity prices for that volume:
millions | Total |
2020 | $ | 103 |
2021 | 103 |
2022 | 7 |
2023 | 7 |
2024 | 7 |
Thereafter | 53 |
Total | $ | 280 |

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