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Stock-Based Compensation - Schedule of Nonvested Share Activity (Details) - $ / shares
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity Instruments Other than Options, Forfeited in Period (46,753)    
Performance Units [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity Instruments Other than Options, Nonvested, Number, Beginning Balance 417,446    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted [1] 275,499    
Equity Instruments Other than Options, Vested in Period (191,918)    
Equity Instruments Other than Options, Forfeited in Period (46,753)    
Equity Instruments Other than Options, Nonvested, Number, Ending Balance 454,274 417,446  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Beginning Balance $ 42.44    
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value 35.86    
Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value 41.1    
Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value 39.85    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Ending Balance $ 39.28 $ 42.44  
Performance Units [Member] | Og and E [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity Instruments Other than Options, Nonvested, Number, Beginning Balance 120,331    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted [1] 275,499    
Equity Instruments Other than Options, Vested in Period (191,918)    
Equity Instruments Other than Options, Forfeited in Period (46,753)    
Equity Other Than Options, Employee Migration [2] 297,115    
Equity Instruments Other than Options, Nonvested, Number, Ending Balance 454,274 120,331  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Beginning Balance $ 42.49    
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value 35.86    
Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value 41.1    
Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value 39.85    
Equity Other Than Options, Employee Migration, Weighted Average Grant Date Fair Value 42.42    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Ending Balance $ 39.28 $ 42.49  
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity Instruments Other than Options, Nonvested, Number, Beginning Balance 223,146    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted 148,345 114,926 116,539
Equity Instruments Other than Options, Vested in Period (101,130)    
Equity Instruments Other than Options, Forfeited in Period (26,307)    
Equity Instruments Other than Options, Nonvested, Number, Ending Balance 244,054 223,146  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Beginning Balance $ 36.64    
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value 32.74 $ 37.52 $ 35.72
Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value 41.29    
Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value 35.13    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Ending Balance $ 34.81 $ 36.64  
Restricted Stock [Member] | Og and E [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity Instruments Other than Options, Nonvested, Number, Beginning Balance 64,244    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted 148,345 35,034 32,804
Equity Instruments Other than Options, Vested in Period (101,130)    
Equity Instruments Other than Options, Forfeited in Period (26,307)    
Equity Other Than Options, Employee Migration [2] 158,902    
Equity Instruments Other than Options, Nonvested, Number, Ending Balance 244,054 64,244  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Beginning Balance $ 36.68    
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value 32.74 $ 37.52 $ 35.72
Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value 41.29    
Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value 35.13    
Equity Other Than Options, Employee Migration, Weighted Average Grant Date Fair Value 36.62    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Ending Balance $ 34.81 $ 36.68  
[1] For performance units, this represents the target number of performance units granted. Actual number of performance units earned, if any, is dependent upon performance and may range from zero percent to 200 percent of the target.
[2] As a result of OGE Energy's exit of its former midstream business and becoming primarily an electric company, all employees are directly employed by OG&E beginning in 2024.