XML 60 R37.htm IDEA: XBRL DOCUMENT v3.25.3
ASSET RETIREMENT OBLIGATIONS (Tables)
9 Months Ended
Sep. 30, 2025
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Changes to the ARO Balances
The following table summarizes the changes to the ARO balances as of September 30, 2025, and December 31, 2024.
FirstEnergy JCP&L
(In millions)
Balance, January 1, 2024
$209 $
Changes in timing and amount of estimated cash flows131 — 
Liabilities incurred95 — 
Liabilities settled (4)— 
Accretion24 
Balance, December 31, 2024
455 
Liabilities incurred— 
Liabilities settled (1)
(153)— 
Accretion20 — 
Balance, September 30, 2025
$323 $
(1) FirstEnergy amounts include the transfer of the McElroy’s Run CCR impoundment facility as well as the adjacent dry landfill and related remediation obligations to a subsidiary of IDA Power, LLC.