XML 51 R35.htm IDEA: XBRL DOCUMENT
v3.25.0.1

ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Income | The changes in AOCI for the years ended December 31, 2024, 2023 and 2022, for FirstEnergy are shown in the following table:
|  | 2024 |  | 2023 |  | 2022
|  | (In millions)
Gains & Losses on Cash Flow Hedges(1) |  |  |  |  |  |
AOCI Balance, January 1, |  | $ | 2 |  |  | $ | — |  |  | $ | (7) |
Amounts reclassified from AOCI |  | 3 |  |  | 2 |  |  | 9 |
Income tax on other comprehensive income |  | 1 |  |  | — |  |  | 2 |
Other comprehensive income, net of tax |  | 2 |  |  | 2 |  |  | 7 |
AOCI Balance, December 31, |  | $ | 4 |  |  | $ | 2 |  |  | $ | — |
Defined Benefit Pension & OPEB Plans(2)(3) |  |  |  |  |  |
AOCI Balance, January 1, |  | $ | (19) |  |  | $ | (14) |  |  | $ | (8) |
Amounts reclassified from AOCI |  | 1 |  |  | (6) |  |  | (9) |
Income tax benefits on other comprehensive loss |  | — |  |  | (1) |  |  | (3) |
Other comprehensive loss, net of tax |  | 1 |  |  | (5) |  |  | (6) |
AOCI Balance, December 31, |  | $ | (18) |  |  | $ | (19) |  |  | $ | (14) |
Total FirstEnergy Corp. AOCI |  |  |  |  |  |
AOCI Balance, January 1, |  | $ | (17) |  |  | $ | (14) |  |  | $ | (15) |
Other comprehensive income (loss), net of tax |  | 3 |  |  | (3) |  |  | 1 |
AOCI Balance, December 31, |  | $ | (14) |  |  | $ | (17) |  |  | $ | (14) |
(1) Relates to previous cash flow hedges used to hedge fixed rate long-term debt securities prior to their issuance. Amounts reclassified from AOCI affects Interest expense line item in Consolidated Statements of Income. (2) Amortization of prior service costs are reported within Miscellaneous income, net within Other Income (Expense) on FirstEnergy’s Consolidated Statements of Income. Components are included in the computation of net periodic cost (credits), see Note 5, "Pension and Other Postemployment Benefits," for additional details. (3) Income tax (benefits) on other comprehensive income (loss) affects Income taxes line item in Consolidated Statements of Income.

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration