v3.26.1
TRANSACTIONS WITH AFFILIATES (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Related Party Transaction [Line Items]        
Revenues [1] $ 3,678 $ 3,380 $ 7,880 $ 7,145
Other operating expenses 1,165 995 2,625 2,029
Interest expense 337 299 663 587
JCP&L        
Related Party Transaction [Line Items]        
Revenues 659 592 1,325 1,158
Other operating expenses [2] 194 137 418 282
JCP&L | Related Party        
Related Party Transaction [Line Items]        
Revenues 1 1 1 1
Other operating expenses 25 26 57 59
Interest expense 3 2 5 3
Operating expenses capitalized 19 17 41 38
JCP&L | FESC support services | Related Party        
Related Party Transaction [Line Items]        
Other operating expenses 40 42 85 92
JCP&L | Other affiliate support services | Related Party        
Related Party Transaction [Line Items]        
Other operating expenses $ 4 $ 1 $ 13 $ 5
[1] Includes excise and gross receipts tax collections of $105 million and $100 million during the three months ended June 30, 2026, and 2025, respectively, and $238 million and $223 million during the six months ended June 30, 2026, and 2025, respectively.
[2] Includes affiliated operating expenses of $25 million and $26 million for the three months ended June 30, 2026, and 2025, respectively, and $57 million and $59 million for the six months ended June 30, 2026, and 2025, respectively.