XML 38 R30.htm IDEA: XBRL DOCUMENT
v3.26.1

Stock Based Compensation (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2026
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 six months ended June 30, 2026 and 2025 related to performance units and restricted stock units for the Registrants' employees.
|  | Three Months Ended |  |  | Six Months Ended |
OGE Energy and OG&E |  | June 30, |  |  | June 30, |
(In millions) |  | 2026 |  |  | 2025 |  |  | 2026 |  |  | 2025 |
Performance units |  | $ | 2.6 |  |  | $ | 2.5 |  |  | $ | 5.2 |  |  | $ | 4.6 |
Restricted stock units |  |  | 1.3 |  |  |  | 1.1 |  |  |  | 2.5 |  |  |  | 2.0 |
Total compensation expense |  | $ | 3.9 |  |  | $ | 3.6 |  |  | $ | 7.7 |  |  | $ | 6.6 |
Income tax benefit |  | $ | 1.0 |  |  | $ | 0.9 |  |  | $ | 1.9 |  |  | $ | 1.6 |

X
- Definition Stock-Based Compensation [Abstract] + References No definition available. + Details
Name: | oge_StockBasedCompensationAbstract
Namespace Prefix: | oge_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration