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Stock Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2025
Stock-Based Compensation [Abstract] |
Schedule of Pre-tax Compensation Expense and Related Income Tax Benefit | The following table presents the Registrants' pre-tax compensation expense and related income tax benefit for the three and nine months ended September 30, 2025 and 2024 related to performance units and restricted stock units for the Registrants' employees.
|  | OGE Energy |  |  | OG&E |
|  | Three Months Ended |  |  | Nine Months Ended |  |  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |  |  | September 30, |  |  | September 30, |
(In millions) |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Performance units |  | $ | 2.4 |  |  | $ | 1.4 |  |  | $ | 7.0 |  |  | $ | 5.8 |  |  | $ | 2.4 |  |  | $ | 1.4 |  |  | $ | 7.0 |  |  | $ | 5.8 |
Restricted stock units |  |  | 1.1 |  |  |  | 0.7 |  |  |  | 3.1 |  |  |  | 2.8 |  |  |  | 1.1 |  |  |  | 0.7 |  |  |  | 3.1 |  |  |  | 2.8 |
Total compensation expense |  | $ | 3.5 |  |  | $ | 2.1 |  |  | $ | 10.1 |  |  | $ | 8.6 |  |  | $ | 3.5 |  |  | $ | 2.1 |  |  | $ | 10.1 |  |  | $ | 8.6 |
Income tax benefit |  | $ | 0.8 |  |  | $ | 0.5 |  |  | $ | 2.4 |  |  | $ | 2.1 |  |  | $ | 0.8 |  |  | $ | 0.5 |  |  | $ | 2.4 |  |  | $ | 2.1 |

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- Definition Stock-Based Compensation [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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