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TRANSACTIONS WITH AFFILIATES (Tables) | 9 Months Ended
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Sep. 30, 2025
Related Party Transactions [Abstract] |
Schedule of Transactions with Affiliated Companies | The affiliated company transactions for JCP&L for the three and nine months ended September 30, 2025 and 2024, respectively, are as follows:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
|  | (In millions)
Revenues |  | $ | — |  |  | $ | — |  |  | $ | 1 |  |  | $ | 1 |
Expenses: |  |  |  |  |  |  |  |
FESC support services (1) |  | 43 |  |  | 42 |  |  | 135 |  |  | 126 |
Other affiliate support services (1) |  | 3 |  |  | 14 |  |  | 8 |  |  | 22 |
Interest income |  | 1 |  |  | — |  |  | 1 |  |  | — |
Interest expense |  | 3 |  |  | 5 |  |  | 6 |  |  | 15 |
(1) Includes amounts capitalized of $19 million and $17 million for the three months ended September 30, 2025 and 2024, respectively, and $57 million and $52 million for the nine months ended September 30, 2025 and 2024, respectively.

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1 + Details
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