v3.25.1
TRANSACTIONS WITH AFFILIATES - Schedule of Transactions with Affiliated Companies (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Related Party Transaction [Line Items]    
Total revenues [1] $ 3,765 $ 3,287
Other operating expenses 1,034 1,006
Interest expense 288 305
JERSEY CENTRAL POWER & LIGHT COMPANY    
Related Party Transaction [Line Items]    
Total revenues 566 466
Other operating expenses [2] 145 187
Related Party | JERSEY CENTRAL POWER & LIGHT COMPANY    
Related Party Transaction [Line Items]    
Total revenues 0 0
Other operating expenses 54 46
Interest income 0 0
Interest expense 1 4
FESC support services | Related Party | JERSEY CENTRAL POWER & LIGHT COMPANY    
Related Party Transaction [Line Items]    
Other operating expenses 50 43
Other affiliate support services | Related Party | JERSEY CENTRAL POWER & LIGHT COMPANY    
Related Party Transaction [Line Items]    
Other operating expenses $ 4 $ 4
[1] Includes excise and gross receipts tax collections of $123 million and $115 million during the three months ended March 31, 2025 and 2024, respectively.
[2] During the three months ended March 31, 2025 and 2024, $54 million and $46 million, respectively, of affiliated operating expenses were incurred, a portion of which is capitalized.