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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Income Taxes [Line Items]      
Statutory federal tax rate 21.00% 21.00% 21.00%
State income taxes, net of federal income tax benefit (1.30%) (1.00%) 0.90%
Stock-based compensation 0.10% 0.00% 0.10%
Executive compensation limitation 0.20% 0.10% 0.10%
Amortization of net unfunded deferred taxes (7.00%) (3.20%) (2.10%)
Federal renewable energy credit [1] 0.00% 0.00% (2.00%)
Remeasurement of state deferred taxes due to Energy Transfer merger 0.00% 0.00% (1.10%)
Remeasurement of state deferred tax liabilities 0.00% (0.60%) (0.60%)
401(k) dividends (0.30%) (0.20%) (0.20%)
Other (0.80%) (0.40%) 0.00%
Effective income tax rate 11.90% 15.70% 16.10%
Og and E [Member]      
Income Taxes [Line Items]      
Statutory federal tax rate 21.00% 21.00% 21.00%
State income taxes, net of federal income tax benefit 0.30% (0.40%) (1.40%)
Stock-based compensation 0.00% 0.00% 0.00%
Executive compensation limitation 0.00% 0.00% 0.00%
Amortization of net unfunded deferred taxes (6.70%) (5.00%) (4.60%)
Federal renewable energy credit [1] 0.00% 0.00% (4.40%)
Remeasurement of state deferred taxes due to Energy Transfer merger 0.00% 0.00% 0.00%
Remeasurement of state deferred tax liabilities 0.00% 0.00% 0.00%
401(k) dividends 0.00% 0.00% 0.00%
Other (0.70%) (0.80%) (0.20%)
Effective income tax rate 13.90% 14.80% 10.40%
[1] Represents credits primarily associated with the production from OG&E's wind farms.