Stock-Based Compensation (Details) - USD ($) shares in Millions, $ in Millions |
Jan. 30, 2026 |
Jun. 30, 2026 |
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| 2025 SM Equity Incentive Compensation Plan | ||
| Share-based Compensation Arrangement by Share-based Payment Award | ||
| Shares available for grant (in shares) | 3.0 | |
| 2024 Civitas Long Term Incentive Plan | ||
| Share-based Compensation Arrangement by Share-based Payment Award | ||
| Shares available for grant (in shares) | 3.8 | |
| Restricted Stock Units (RSUs) | Civitas Resources Merger | ||
| Share-based Compensation Arrangement by Share-based Payment Award | ||
| Shares issued in conversion | 2.5 | |
| Aggregate fair value | $ 49 | |
| Unrecognized stock based compensation expense | $ 20 |
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- Definition Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value No definition available.
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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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