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v3.26.1

Mergers, Acquisitions, and Divestitures - Narrative (Details) a in Thousands, $ in Millions |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
Apr. 30, 2026 USD ($) a | Jan. 30, 2026 shares | Mar. 31, 2026 USD ($) | Mar. 31, 2025 USD ($) | Dec. 31, 2025 USD ($)
Asset Acquisition [Line Items] |  |  |  |  |
Properties held for sale, net |  |  | $ 666 |  | $ 0
Income (loss) before income taxes |  |  | (410) | $ 232 |
South Texas Divestiture | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |
Properties held for sale, net |  |  | 666 |  |
Disposal Group, Including Discontinued Operation, Asset Retirement Obligation |  |  | 45 |  |
Income (loss) before income taxes |  |  | 46 | $ 44 |
South Texas Divestiture | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Subsequent Event |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |
Disposal Group, Including Discontinued Operation, Net Acres Divested | a | 61 |  |  |  |
Proceeds from Divestiture of Businesses | $ 900 |  |  |  |
Civitas Resources Merger |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |
Business Combination, Effective Date of Acquisition |  | Jan. 30, 2026 |  |  |
Business Combination, Voting Equity Interest Acquired, Percentage |  | 100.00% |  |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Entity Shares Issued Per Acquiree Share | shares |  | 1.45 |  |  |
Shares of common stock issued (in shares) | shares |  | 123,715,771 |  |  |
Business Combination, Acquisition-Related Cost, Expense |  |  | 17 |  |
Business Combination, Acquiree's Revenue since Acquisition Date, Actual |  |  | $ 736 |  |

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