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Industry Segments (Tables) | 9 Months Ended
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Sep. 30, 2018
Segment Reporting [Abstract] |
Schedule of industry segments | The following tables present Occidental’s industry segments (in millions):
|  | Oil |  |  |  | Midstream |  | Corporate |  |
|  | and |  |  |  | and |  | and |  |
|  | Gas |  | Chemical |  | Marketing |  | Eliminations |  | Total
Three months ended September 30, 2018 |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 2,889 |  |  | $ | 1,185 |  |  | $ | 1,367 |  |  | $ | (225 | ) |  | $ | 5,216 |
Pre-tax operating profit (loss) |  | $ | 767 |  | (a) | $ | 321 |  |  | $ | 1,698 |  | (b) | $ | (207 | ) | (c) | $ | 2,579 |
Income taxes |  | — |  |  | — |  |  | — |  |  | (710 | ) | (d) | (710 | )
Net income (loss) |  | $ | 767 |  |  | $ | 321 |  |  | $ | 1,698 |  |  | $ | (917 | ) |  | $ | 1,869 |
Three months ended September 30, 2017 |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 1,865 |  |  | $ | 1,071 |  |  | $ | 266 |  |  | $ | (203 | ) |  | $ | 2,999 |
Pre-tax operating profit (loss) |  | $ | 220 |  |  | $ | 200 |  |  | $ | 4 |  |  | $ | (149 | ) | (c) | $ | 275 |
Income taxes |  | — |  |  | — |  |  | — |  |  | (85 | ) | (d) | (85 | )
Net income (loss) |  | $ | 220 |  |  | $ | 200 |  |  | $ | 4 |  |  | $ | (234 | ) |  | $ | 190 |
|  | Oil |  |  |  | Midstream |  | Corporate |  |
|  | and |  |  |  | and |  | and |  |
|  | Gas |  | Chemical |  | Marketing |  | Eliminations |  | Total
Nine months ended September 30, 2018 |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 7,874 |  |  | $ | 3,515 |  |  | $ | 2,359 |  |  | $ | (686 | ) |  | $ | 13,062 |
Pre-tax operating profit (loss) |  | $ | 2,297 |  | (a) | $ | 936 |  |  | $ | 2,127 |  | (b) | $ | (584 | ) | (c) | $ | 4,776 |
Income taxes |  | — |  |  | — |  |  | — |  |  | (1,351 | ) | (d) | (1,351 | )
Net income (loss) |  | $ | 2,297 |  |  | $ | 936 |  |  | $ | 2,127 |  |  | $ | (1,935 | ) |  | $ | 3,425 |
Nine months ended September 30, 2017 |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 5,607 |  |  | $ | 3,295 |  |  | $ | 747 |  |  | $ | (633 | ) |  | $ | 9,016 |
Pre-tax operating profit (loss) |  | $ | 1,067 |  | (e) | $ | 600 |  |  | $ | 76 |  | (f) | $ | (481 | ) | (c) | $ | 1,262 |
Income taxes |  | — |  |  | — |  |  | — |  |  | (448 | ) | (d) | (448 | )
Net income (loss) |  | $ | 1,067 |  |  | $ | 600 |  |  | $ | 76 |  |  | $ | (929 | ) |  | $ | 814 |
(a) Includes $196 million impairment related to proved properties and inventory in Qatar. (b) Includes $902 million gain on the sale of non-core domestic midstream assets. (c) Includes unallocated net interest expense, administration expense, environmental remediation and other items. (d) Includes all foreign and domestic income taxes from continuing operations. (e) Includes a gain on sale of domestic oil and gas assets, including South Texas, of $510 million. (f) Includes a non-cash fair value gain of $94 million on the Plains equity investment.

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599 + Details
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