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REVENUE (Tables) | 12 Months Ended
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Dec. 31, 2021
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 |  | 2021 |  | 2020 |  | 2019
Revenue from customers |  | $ | 25,959 |  |  | $ | 17,130 |  |  | $ | 19,192 |
All other revenues (a) |  | (3) |  |  | 679 |  |  | 1,719 |
Net sales |  | $ | 25,956 |  |  | $ | 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 | The table below presents Occidental's revenue from customers by segment, product and geographical area. The oil and gas segment typically sells its oil, NGL and gas at the lease or concession area. Chemical segment revenues are shown by geographic area based on the location of the sale. Excluding net marketing revenue, midstream and marketing segment revenues are shown by the location of sale.
millions |  | United States |  | International |  | Eliminations |  | Total
Year ended December 31, 2021 |  |  |  |  |  |  |  |
Oil and gas |  |  |  |  |  |  |  |
Oil |  | $ | 12,072 |  |  | $ | 2,844 |  |  | $ | — |  |  | $ | 14,916 |
NGL |  | 2,203 |  |  | 325 |  |  | — |  |  | 2,528 |
Gas |  | 1,524 |  |  | 291 |  |  | — |  |  | 1,815 |
Other |  | 24 |  |  | 2 |  |  | — |  |  | 26 |
Segment total |  | $ | 15,823 |  |  | $ | 3,462 |  |  | $ | — |  |  | $ | 19,285 |
Chemical |  | $ | 4,995 |  |  | $ | 248 |  |  | $ | — |  |  | $ | 5,243 |
Midstream and marketing |  | $ | 1,969 |  |  | $ | 556 |  |  | $ | — |  |  | $ | 2,525 |
Eliminations |  | $ | — |  |  | $ | — |  |  | $ | (1,094) |  |  | $ | (1,094) |
Consolidated |  | $ | 22,787 |  |  | $ | 4,266 |  |  | $ | (1,094) |  |  | $ | 25,959 |
Year ended December 31, 2020 |  |  |  |  |  |  |  |
Oil and gas |  |  |  |  |  |  |  |
Oil |  | $ | 7,485 |  |  | $ | 2,403 |  |  | $ | — |  |  | $ | 9,888 |
NGL |  | 838 |  |  | 217 |  |  | — |  |  | 1,055 |
Gas |  | 660 |  |  | 326 |  |  | — |  |  | 986 |
Other |  | 65 |  |  | 1 |  |  | — |  |  | 66 |
Segment total |  | $ | 9,048 |  |  | $ | 2,947 |  |  | $ | — |  |  | $ | 11,995 |
Chemical |  | $ | 3,524 |  |  | $ | 202 |  |  | $ | — |  |  | $ | 3,726 |
Midstream and marketing |  | $ | 1,595 |  |  | $ | 572 |  |  | $ | — |  |  | $ | 2,167 |
Eliminations |  | $ | — |  |  | $ | — |  |  | $ | (758) |  |  | $ | (758) |
Consolidated |  | $ | 14,167 |  |  | $ | 3,721 |  |  | $ | (758) |  |  | $ | 17,130 |
Year ended December 31, 2019 |  |  |  |  |  |  |  |
Oil and gas |  |  |  |  |  |  |  |
Oil |  | $ | 8,411 |  |  | $ | 3,939 |  |  | $ | — |  |  | $ | 12,350 |
NGL |  | 658 |  |  | 283 |  |  | — |  |  | 941 |
Gas |  | 424 |  |  | 339 |  |  | — |  |  | 763 |
Other |  | (1) |  |  | (5) |  |  | — |  |  | (6) |
Segment total |  | $ | 9,492 |  |  | $ | 4,556 |  |  | $ | — |  |  | $ | 14,048 |
Chemical |  | $ | 3,858 |  |  | $ | 222 |  |  | $ | — |  |  | $ | 4,080 |
Midstream and marketing (a) |  | $ | 1,977 |  |  | $ | 351 |  |  | $ | — |  |  | $ | 2,328 |
Eliminations |  | $ | — |  |  | $ | — |  |  | $ | (1,264) |  |  | $ | (1,264) |
Consolidated |  | $ | 15,327 |  |  | $ | 5,129 |  |  | $ | (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.

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