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INDUSTRY SEGMENTS AND GEOGRAPHIC AREAS (Tables) | 12 Months Ended
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Dec. 31, 2020
Segment Reporting [Abstract] |
Schedule of industry segments |
| Oil and gas |  | Chemical |  | Midstream and marketing |  | Corporate and eliminations |  | Total
Year ended December 31, 2020 |  |  |  |  |  |  |  |  |
Net sales | $ | 13,066 |  |  | $ | 3,733 |  |  | $ | 1,768 |  |  | $ | (758) |  |  | $ | 17,809 |
Income (loss) from continuing operations before income taxes | $ | (9,632) |  | (a) | $ | 664 |  |  | $ | (4,175) |  | (b) | $ | (2,562) |  | (c) | $ | (15,705) |
Income tax benefit | — |  |  | — |  |  | — |  |  | 2,172 |  | (d) | 2,172 |
Income (loss) from continuing operations | $ | (9,632) |  |  | $ | 664 |  |  | $ | (4,175) |  |  | $ | (390) |  |  | $ | (13,533) |
Investments in unconsolidated entities | $ | 168 |  |  | $ | 645 |  |  | $ | 2,437 |  |  | $ | — |  |  | $ | 3,250 |
Property, plant and equipment additions (e) | $ | 2,279 |  |  | $ | 261 |  |  | $ | 50 |  |  | $ | 29 |  |  | $ | 2,619 |
Depreciation, depletion and amortization | $ | 7,414 |  |  | $ | 356 |  |  | $ | 312 |  |  | $ | 15 |  |  | $ | 8,097 |
Total assets | $ | 62,931 |  |  | $ | 4,326 |  |  | $ | 9,856 |  |  | $ | 2,951 |  |  | $ | 80,064 |
Year ended December 31, 2019 |  |  |  |  |  |  |  |  |
Net sales | $ | 13,941 |  |  | $ | 4,102 |  |  | $ | 4,132 |  |  | $ | (1,264) |  |  | $ | 20,911 |
Income (loss) from continuing operations before income taxes | $ | 2,520 |  | (a) | $ | 799 |  |  | $ | 241 |  | (b) | $ | (3,206) |  | (c) | $ | 354 |
Income tax expense | — |  |  | — |  |  | — |  |  | (861) |  | (d) | (861) |
Income (loss) from continuing operations | $ | 2,520 |  |  | $ | 799 |  |  | $ | 241 |  |  | $ | (4,067) |  |  | $ | (507) |
Investments in unconsolidated entities | $ | 181 |  |  | $ | 689 |  |  | $ | 5,519 |  |  | $ | — |  |  | $ | 6,389 |
Property, plant and equipment additions (e) | $ | 5,571 |  |  | $ | 272 |  |  | $ | 475 |  |  | $ | 135 |  |  | $ | 6,453 |
Depreciation, depletion and amortization | $ | 5,153 |  |  | $ | 368 |  |  | $ | 563 |  |  | $ | 56 |  |  | $ | 6,140 |
Total assets | $ | 80,093 |  |  | $ | 4,361 |  |  | $ | 14,915 |  |  | $ | 7,821 |  |  | $ | 107,190 |
Year ended December 31, 2018 |  |  |  |  |  |  |  |  |
Net sales | $ | 10,441 |  |  | $ | 4,657 |  |  | $ | 3,656 |  |  | $ | (930) |  |  | $ | 17,824 |
Income (loss) from continuing operations before income taxes | $ | 2,442 |  | (a) | $ | 1,159 |  |  | $ | 2,802 |  | (b) | $ | (795) |  |  | $ | 5,608 |
Income tax expense | — |  |  | — |  |  | — |  |  | (1,477) |  | (d) | (1,477) |
Income (loss) from continuing operations | $ | 2,442 |  |  | $ | 1,159 |  |  | $ | 2,802 |  |  | $ | (2,272) |  |  | $ | 4,131 |
Investments in unconsolidated entities | $ | — |  |  | $ | 733 |  |  | $ | 947 |  |  | $ | — |  |  | $ | 1,680 |
Property, plant and equipment additions (e) | $ | 4,443 |  |  | $ | 277 |  |  | $ | 221 |  |  | $ | 79 |  |  | $ | 5,020 |
Depreciation, depletion and amortization | $ | 3,254 |  |  | $ | 354 |  |  | $ | 331 |  |  | $ | 38 |  |  | $ | 3,977 |
Total assets | $ | 24,874 |  |  | $ | 4,359 |  |  | $ | 9,392 |  |  | $ | 3,534 |  |  | $ | 42,159 |
(a)The 2020 amount included $7.1 billion related to asset impairments and net asset sale losses of $1.6 billion, partially offset by a $1.1 billion gain on the oil and gas collars and calls. The 2019 amount included a net gain on sale of $475 million related to Occidental’s joint venture with Ecopetrol in the Midland Basin and sale of real estate assets, a $285 million impairment charge associated with domestic undeveloped leases that were set to expire in the near-term, where Occidental had no plans to pursue exploration activities, and a $39 million charge related to Occidental’s mutually agreed early termination of its Qatar ISSD contract. The 2018 amount included $416 million for the impairment of proved oil properties and inventory in Qatar ISND and ISSD due to the decline in oil prices. (b)The 2020 amount included $2.7 billion of other-than-temporary impairment of WES equity investment and $1.4 billion of impairments related to the write-off of goodwill and a $236 million loss from an equity investment related to WES' write-off of its goodwill. The 2019 amount included a $1 billion charge as a result of recording Occidental’s investment in WES at fair value as of December 31, 2019 upon the loss of control, a $114 million gain on the sale of an equity investment in Plains and a $30 million mark-to-market gain on an interest rate swap for WES. The 2018 amount included pre-tax asset sale gains of $907 million on the sale of non-core domestic midstream assets. (c)The 2020 amount included $339 million in expenses related to Anadarko Acquisition-related costs and a $428 million loss on interest rate swaps. The 2019 amount included corporate transactions related to the Acquisition including charges of $1.0 billion related to employee severance and related costs, $401 million related to crucial seismic data and $213 million for bank, legal and consulting fees. There were no significant corporate transactions and events affecting 2018 results. The tax effect of these pre-tax adjustments was a $1.9 billion benefit in 2020, a $245 million benefit in 2019, and $198 million expense in 2018. (d)Included all foreign and domestic income taxes from continuing operations. (e)Included capital expenditures and capitalized interest, but excluded acquisition and disposition of assets.
Net sales and property, plant and equipment, net by geographic areas |
millions |  | Property, plant and equipment, net
For the years ended December 31, |  | 2020 |  | 2019 |  | 2018
United States |  | $ | 59,016 |  |  | $ | 72,808 |  |  | $ | 23,594 |
International |  |  |  |  |  |
United Arab Emirates |  | 3,737 |  |  | 3,886 |  |  | 4,051 |
Oman |  | 1,901 |  |  | 2,115 |  |  | 2,048 |
Algeria |  | 664 |  |  | 1,761 |  |  | — |
Colombia |  | — |  |  | 1,010 |  |  | 927 |
Qatar |  | 510 |  |  | 563 |  |  | 741 |
Other International |  | 61 |  |  | 87 |  |  | 76 |
Total International |  | 6,873 |  |  | 9,422 |  |  | 7,843 |
Total |  | $ | 65,889 |  |  | $ | 82,230 |  |  | $ | 31,437 |

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