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ACQUISITIONS AND DIVESTITURES (Tables) | 6 Months Ended
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Jun. 30, 2025
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] |
Schedule of Pro Forma Information | The following summarizes the unaudited pro forma condensed financial information of Occidental as if the CrownRock Acquisition had occurred on January 1, 2024:
|  | Three months ended June 30, 2024 | Six months ended June 30, 2024
millions, except per-share amounts |
Revenues |  | $ | 7,470 |  | $ | 14,057 |
Net income attributable to common stockholders |  | $ | 1,176 |  | $ | 1,974 |
Net income attributable to common stockholders per share—basic |  | $ | 1.27 |  | $ | 2.14 |
Net income attributable to common stockholders per share—diluted |  | $ | 1.18 |  | $ | 2.00 |

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