v3.25.2
FINANCING ACTIVITIES - Schedule of Short-term Debt (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Short-Term Debt [Line Items]    
Short-term – Securitized Debt of Receivables $ 900.0 $ 900.0
Interest Rate 4.57% 4.73%
Commercial Paper $ 600.0 $ 1,618.3
Total Short-term Debt 1,501.6 2,523.8
SWEPCo    
Short-Term Debt [Line Items]    
Notes Payable 1.6 5.5
Total Short-term Debt $ 1.6 $ 5.5
Commercial Paper    
Short-Term Debt [Line Items]    
Weighted-Average Interest Rate 4.62% 4.70%
Notes Payable | SWEPCo    
Short-Term Debt [Line Items]    
Weighted-Average Interest Rate 6.68% 6.69%