Fundies. English
Segment disclosures
Company overviewFIRSTENERGY CORP
Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.
Revenue · Reported segment facts
108 dimension combinations 770 retained observations 20 reported periods Partial retained history
Counts describe retained dimensioned rows only. Periods and members can change across reports, and this view does not infer missing values or expected segment totals.
JERSEYCENTRALPOWERLIGHTCOMPANY · Operating Segments · Product And Service Other · Regulated Distribution
Legal Entity · Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 1000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1000000 | USD | 20250430 | Open filing evidence |
JERSEYCENTRALPOWERLIGHTCOMPANY · Operating Segments · Regulated Distribution
Legal Entity · Consolidation Items · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 548000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 452000000 | USD | 20250430 | Open filing evidence |
JERSEYCENTRALPOWERLIGHTCOMPANY · Operating Segments · Transmission
Legal Entity · Consolidation Items · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:TransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 61000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 52000000 | USD | 20250430 | Open filing evidence |
JERSEYCENTRALPOWERLIGHTCOMPANY · Operating Segments · Transmission Segment
Legal Entity · Consolidation Items · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:TransmissionSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 61000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 52000000 | USD | 20250430 | Open filing evidence |
Operating Segments · External Customers · Regulated Transmission
Consolidated Entities · Major Customers · Statement Business Segments
Source dimensions
srt:ConsolidatedEntitiesAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:ExternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 1863000000 | USD | 20230213 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 1608000000 | USD | 20230213 | Open filing evidence |
Operating Segments · JERSEYCENTRALPOWERLIGHTCOMPANY · Regulated Distribution
Consolidation Items · Legal Entity · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 666000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 2554000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 841000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1962000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 573000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 1121000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 566000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 2225000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 747000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 1728000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 529000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 981000000 | USD | 20250730 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1934000000 | USD | 20260218 | Open filing evidence |
Operating Segments · JERSEYCENTRALPOWERLIGHTCOMPANY · Transmission
Consolidation Items · Legal Entity · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;us-gaap:StatementBusinessSegmentsAxis=fe:TransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 259000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 67000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 191000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 63000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 124000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 242000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 57000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 175000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 66000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 118000000 | USD | 20250730 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 204000000 | USD | 20260218 | Open filing evidence |
Operating Segments · JERSEYCENTRALPOWERLIGHTCOMPANY · Transmission Segment
Consolidation Items · Legal Entity · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;us-gaap:StatementBusinessSegmentsAxis=fe:TransmissionSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 259000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 67000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 191000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 63000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 124000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 242000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 57000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 175000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 66000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 118000000 | USD | 20250730 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 204000000 | USD | 20260218 | Open filing evidence |
Operating Segments · ARP · JERSEYCENTRALPOWERLIGHTCOMPANY · Regulated Distribution
Consolidation Items · Major Customers · Legal Entity · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:ARPMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 0 | USD | 20260218 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 10000000 | USD | 20260218 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20260218 | Open filing evidence |
Operating Segments · External Customers · JERSEYCENTRALPOWERLIGHTCOMPANY · Regulated Distribution
Consolidation Items · Major Customers · Legal Entity · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:ExternalCustomersMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 2379000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 797000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1831000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 529000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 1034000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 2073000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 708000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 1613000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 491000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 905000000 | USD | 20250730 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1823000000 | USD | 20260218 | Open filing evidence |
Operating Segments · External Customers · JERSEYCENTRALPOWERLIGHTCOMPANY · Transmission
Consolidation Items · Major Customers · Legal Entity · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:ExternalCustomersMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;us-gaap:StatementBusinessSegmentsAxis=fe:TransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 259000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 67000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 191000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 63000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 124000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 242000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 57000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 175000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 66000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 118000000 | USD | 20250730 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 204000000 | USD | 20260218 | Open filing evidence |
Operating Segments · External Customers · Integrated
Consolidation Items · Major Customers · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:ExternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 1702000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 5678000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1651000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 4259000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1260000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2608000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1348000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 4871000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1451000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 3721000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 1176000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 2270000000 | USD | 20250730 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 4315000000 | USD | 20260218 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 955000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 1981000000 | USD | 20240730 | Open filing evidence |
Operating Segments · External Customers · Regulated Distribution
Consolidation Items · Major Customers · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:ExternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 1981000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 7508000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 2010000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 5602000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1665000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 3592000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1927000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 6824000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1806000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 5202000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 1640000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 3396000000 | USD | 20250730 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 6813000000 | USD | 20260218 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 2370000000 | USD | 20220726 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 4902000000 | USD | 20220726 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 2532000000 | USD | 20220421 | Open filing evidence |
Operating Segments · External Customers · Regulated Transmission
Consolidation Items · Major Customers · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:ExternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 509000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 1886000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 483000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1420000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 451000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 937000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 486000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 1768000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 470000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 1367000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 463000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 897000000 | USD | 20250730 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1731000000 | USD | 20260218 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 432000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 828000000 | USD | 20240730 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 451000000 | USD | 20220421 | Open filing evidence |
Operating Segments · Internal Customers · JERSEYCENTRALPOWERLIGHTCOMPANY · Regulated Distribution
Consolidation Items · Major Customers · Legal Entity · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:InternalCustomersMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 175000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 44000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 131000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 44000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 87000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 152000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 39000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 115000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 38000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 76000000 | USD | 20250730 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 111000000 | USD | 20260218 | Open filing evidence |
Operating Segments · Internal Customers · JERSEYCENTRALPOWERLIGHTCOMPANY · Transmission
Consolidation Items · Major Customers · Legal Entity · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:InternalCustomersMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;us-gaap:StatementBusinessSegmentsAxis=fe:TransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 0 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 0 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 0 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20250730 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20260218 | Open filing evidence |
Operating Segments · Internal Customers · Integrated
Consolidation Items · Major Customers · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:InternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 1000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 5000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 2000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 4000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 5000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 4000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 2000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 3000000 | USD | 20250730 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 5000000 | USD | 20260218 | Open filing evidence |
Operating Segments · Internal Customers · Regulated Distribution
Consolidation Items · Major Customers · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:InternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 9000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 39000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 10000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 29000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 10000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 19000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 9000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 39000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 11000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 30000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 8000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 19000000 | USD | 20250730 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 41000000 | USD | 20260218 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 58000000 | USD | 20230801 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 115000000 | USD | 20230801 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 56000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 113000000 | USD | 20230801 | Open filing evidence |
Operating Segments · Internal Customers · Regulated Transmission
Consolidation Items · Major Customers · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:InternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 7000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 19000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 5000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 15000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 5000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 10000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 5000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 19000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 5000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 14000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 5000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 9000000 | USD | 20250730 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 17000000 | USD | 20260218 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 1000000 | USD | 20230801 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 2000000 | USD | 20230801 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 1000000 | USD | 20230427 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 1000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 3000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 2000000 | USD | 20230427 | Open filing evidence |
Operating Segments · Alternative Revenue Program · ARP · JERSEYCENTRALPOWERLIGHTCOMPANY · Integrated Segment
Consolidation Items · Product Or Service · Major Customers · Legal Entity · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fe:AlternativeRevenueProgramMember;srt:MajorCustomersAxis=fe:ARPMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 13000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 0 | USD | 20260428 | Open filing evidence |
Operating Segments · Alternative Revenue Program · ARP · Integrated Segment
Consolidation Items · Product Or Service · Major Customers · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fe:AlternativeRevenueProgramMember;srt:MajorCustomersAxis=fe:ARPMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 0 | USD | 20260218 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 0 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 10000000 | USD | 20260218 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20260218 | Open filing evidence |
Operating Segments · Product And Service Other · JERSEYCENTRALPOWERLIGHTCOMPANY · Regulated Distribution
Consolidation Items · Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 1000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 4000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 3000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 4000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 2000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 1000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 2000000 | USD | 20250730 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 3000000 | USD | 20260218 | Open filing evidence |
Operating Segments · Product And Service Other · Integrated Segment
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 161000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 57000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 11000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 28000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 2000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 17000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 15000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 42000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 15000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 31000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 8000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 16000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 8000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 35000000 | USD | 20260218 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 7000000 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 27000000 | USD | 20241029 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 28000000 | USD | 20250227 | Open filing evidence |
Operating Segments · Product And Service Other · Regulated Distribution
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 22000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 82000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 20000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 63000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 20000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 43000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 23000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 80000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 19000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 59000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 19000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 40000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 21000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 75000000 | USD | 20260218 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 18000000 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 55000000 | USD | 20241029 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 72000000 | USD | 20250227 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 23000000 | USD | 20220726 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 54000000 | USD | 20220726 | Open filing evidence |
Operating Segments · Product And Service Other · Regulated Transmission
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-03-31 | 1000000 | USD | 20230427 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 2000000 | USD | 20230427 | Open filing evidence |
Operating Segments · Product And Service Other · Stand Alone Transmission Segment
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=fe:StandAloneTransmissionSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 7000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 19000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 5000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 15000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 5000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 10000000 | USD | 20250730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 5000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 19000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 5000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 14000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 5000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 9000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 4000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 17000000 | USD | 20260218 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 5000000 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 13000000 | USD | 20241029 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 16000000 | USD | 20250227 | Open filing evidence |
Operating Segments · Integrated
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 1434000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 3137000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 1703000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 5683000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1653000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 4263000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1261000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2610000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1349000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 4876000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1452000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 3725000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 1178000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 2273000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1095000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 4320000000 | USD | 20260218 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 1266000000 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 3250000000 | USD | 20241029 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 956000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 1984000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 1028000000 | USD | 20240425 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 4470000000 | USD | 20250227 | Open filing evidence |
Operating Segments · Integrated Segment
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 1434000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 3137000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 1703000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 5683000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1653000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 4263000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1261000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2610000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1349000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 4876000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1452000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 3725000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 1178000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 2273000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1095000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 4320000000 | USD | 20260218 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 1266000000 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 3250000000 | USD | 20241029 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 956000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 1984000000 | USD | 20240730 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 4470000000 | USD | 20250227 | Open filing evidence |
Operating Segments · Integrated Segment · Product And Service Other
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 8000000 | USD | 20240730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 16000000 | USD | 20240730 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 10000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 20000000 | USD | 20240730 | Open filing evidence |
Operating Segments · Regulated Distribution
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 1714000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 3704000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 1990000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 7547000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 2020000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 5631000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1675000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 3611000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1936000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 6863000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1817000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 5232000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 1648000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 3415000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1767000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 6854000000 | USD | 20260218 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 1795000000 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 5239000000 | USD | 20241029 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 2542000000 | USD | 20230801 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 5368000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 6425000000 | USD | 20250227 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 3023000000 | USD | 20221025 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 8038000000 | USD | 20221025 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 2426000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 5015000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 2589000000 | USD | 20220421 | Open filing evidence |
Operating Segments · Regulated Transmission
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 544000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 1060000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 516000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 1905000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 488000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1435000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 456000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 947000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 491000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 1787000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 475000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 1381000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 468000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 906000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 438000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1748000000 | USD | 20260218 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 439000000 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1275000000 | USD | 20241029 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 436000000 Restated | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 836000000 Restated | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 461000000 | USD | 20230427 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 1597000000 | USD | 20250227 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 503000000 | USD | 20221025 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 1397000000 | USD | 20221025 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 441000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 894000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 453000000 | USD | 20230427 | Open filing evidence |
Operating Segments · Regulated Transmission · External Customers
Consolidation Items · Statement Business Segments · Major Customers
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:MajorCustomersAxis=fe:ExternalCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-04-01 – 2022-06-30 | 440000000 | USD | 20220726 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 891000000 | USD | 20220726 | Open filing evidence |
Operating Segments · Regulated Transmission · Internal Customers
Consolidation Items · Statement Business Segments · Major Customers
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:MajorCustomersAxis=fe:InternalCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-04-01 – 2022-06-30 | 1000000 | USD | 20220726 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 3000000 | USD | 20220726 | Open filing evidence |
Operating Segments · Regulated Transmission · Product And Service Other
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-04-01 – 2022-06-30 | 1000000 | USD | 20220726 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 3000000 | USD | 20220726 | Open filing evidence |
Operating Segments · Stand Alone Transmission Segment
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:StandAloneTransmissionSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 544000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 1060000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 516000000 | USD | 20260428 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 1905000000 | USD | 20260218 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 488000000 | USD | 20251028 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1435000000 | USD | 20251028 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 456000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 947000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 491000000 | USD | 20260428 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 1787000000 | USD | 20260218 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 475000000 | USD | 20251028 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 1381000000 | USD | 20251028 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 468000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 906000000 | USD | 20250730 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 438000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1748000000 | USD | 20260218 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 439000000 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1275000000 | USD | 20241029 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 436000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 836000000 | USD | 20240730 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 1597000000 | USD | 20250227 | Open filing evidence |
Operating Segments · Stand Alone Transmission Segment · Product And Service Other
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:StandAloneTransmissionSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 5000000 | USD | 20240730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 9000000 | USD | 20240730 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 4000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 8000000 | USD | 20240730 | Open filing evidence |
ARP · Operating Segments · Product And Service Other · Integrated Segment
Major Customers · Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=fe:ARPMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-12-31 | 10000000 | USD | 20250227 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20250227 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 0 | USD | 20250227 | Open filing evidence |
ARP · Integrated Segment · JERSEYCENTRALPOWERLIGHTCOMPANY · Alternative Revenue Program · Operating Segments
Major Customers · Statement Business Segments · Legal Entity · Product Or Service · Consolidation Items
Source dimensions
srt:MajorCustomersAxis=fe:ARPMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedSegmentMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;srt:ProductOrServiceAxis=fe:AlternativeRevenueProgramMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 13000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-04-01 – 2026-06-30 | 0 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 13000000 | USD | 20260728 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20260728 | Open filing evidence |
ARP · Integrated Segment · Alternative Revenue Program · Operating Segments
Major Customers · Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
srt:MajorCustomersAxis=fe:ARPMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedSegmentMember;srt:ProductOrServiceAxis=fe:AlternativeRevenueProgramMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 13000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
External Customers · JERSEYCENTRALPOWERLIGHTCOMPANY · Operating Segments · Regulated Distribution
Major Customers · Legal Entity · Consolidation Items · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=fe:ExternalCustomersMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 505000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 414000000 | USD | 20250430 | Open filing evidence |
External Customers · JERSEYCENTRALPOWERLIGHTCOMPANY · Operating Segments · Transmission
Major Customers · Legal Entity · Consolidation Items · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=fe:ExternalCustomersMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:TransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 61000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 52000000 | USD | 20250430 | Open filing evidence |
External Customers · Operating Segments · Integrated
Major Customers · Consolidation Items · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=fe:ExternalCustomersMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 1348000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 4871000000 | USD | 20250227 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1451000000 | USD | 20241029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 3721000000 | USD | 20241029 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1094000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 4315000000 | USD | 20250227 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 1266000000 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 3247000000 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 1026000000 | USD | 20240425 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 4465000000 | USD | 20250227 | Open filing evidence |
External Customers · Operating Segments · Regulated Distribution
Major Customers · Consolidation Items · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=fe:ExternalCustomersMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 1927000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 6824000000 | USD | 20250227 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1806000000 | USD | 20241029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 5202000000 | USD | 20241029 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1756000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 6813000000 | USD | 20250227 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 1786000000 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 5209000000 | USD | 20241029 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 2484000000 | USD | 20230801 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 5253000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 6386000000 | USD | 20250227 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 2965000000 | USD | 20221025 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 7867000000 | USD | 20221025 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 2370000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 4902000000 | USD | 20230801 | Open filing evidence |
External Customers · Operating Segments · Regulated Transmission
Major Customers · Consolidation Items · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=fe:ExternalCustomersMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 486000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 1768000000 | USD | 20250227 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 470000000 | USD | 20241029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 1367000000 | USD | 20241029 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 434000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1731000000 | USD | 20250227 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 434000000 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1262000000 | USD | 20241029 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 519000000 | USD | 20230801 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 979000000 | USD | 20230801 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 460000000 | USD | 20230427 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 1581000000 | USD | 20250227 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 503000000 | USD | 20221025 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 1394000000 | USD | 20221025 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 440000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 891000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 451000000 | USD | 20230427 | Open filing evidence |
External Customers · Integrated · Operating Segments
Major Customers · Statement Business Segments · Consolidation Items
Source dimensions
srt:MajorCustomersAxis=fe:ExternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 1809000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 4944000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-04-01 – 2026-06-30 | 1433000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 3135000000 | USD | 20260728 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1651000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 4259000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1260000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2608000000 | USD | 20260728 | Open filing evidence |
External Customers · Regulated Distribution · Operating Segments
Major Customers · Statement Business Segments · Consolidation Items
Source dimensions
srt:MajorCustomersAxis=fe:ExternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 2244000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 5929000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-04-01 – 2026-06-30 | 1704000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 3685000000 | USD | 20260728 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 2010000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 5602000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1665000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 3592000000 | USD | 20260728 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 10810000000 | USD | 20240213 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 10569000000 | USD | 20240213 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 9510000000 | USD | 20240213 | Open filing evidence |
External Customers · Regulated Transmission · Operating Segments
Major Customers · Statement Business Segments · Consolidation Items
Source dimensions
srt:MajorCustomersAxis=fe:ExternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 496000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 1542000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-04-01 – 2026-06-30 | 537000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 1046000000 | USD | 20260728 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 483000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1420000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 451000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 937000000 | USD | 20260728 | Open filing evidence |
Internal Customers · JERSEYCENTRALPOWERLIGHTCOMPANY · Operating Segments · Regulated Distribution
Major Customers · Legal Entity · Consolidation Items · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=fe:InternalCustomersMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 43000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 38000000 | USD | 20250430 | Open filing evidence |
Internal Customers · JERSEYCENTRALPOWERLIGHTCOMPANY · Operating Segments · Transmission
Major Customers · Legal Entity · Consolidation Items · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=fe:InternalCustomersMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:TransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 0 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 0 | USD | 20250430 | Open filing evidence |
Internal Customers · Operating Segments · Integrated
Major Customers · Consolidation Items · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=fe:InternalCustomersMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 1000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 5000000 | USD | 20250227 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1000000 | USD | 20241029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 4000000 | USD | 20241029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 2000000 | USD | 20240730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 3000000 | USD | 20240730 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 5000000 | USD | 20250227 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 0 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 3000000 | USD | 20241029 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 1000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 3000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 2000000 | USD | 20240425 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 5000000 | USD | 20250227 | Open filing evidence |
Internal Customers · Operating Segments · Regulated Distribution
Major Customers · Consolidation Items · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=fe:InternalCustomersMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 9000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 39000000 | USD | 20250227 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 11000000 | USD | 20241029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 30000000 | USD | 20241029 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 11000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 41000000 | USD | 20250227 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 9000000 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 30000000 | USD | 20241029 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 39000000 | USD | 20250227 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 58000000 | USD | 20221025 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 171000000 | USD | 20221025 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 57000000 | USD | 20220421 | Open filing evidence |
Internal Customers · Operating Segments · Regulated Transmission
Major Customers · Consolidation Items · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=fe:InternalCustomersMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 5000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 19000000 | USD | 20250227 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 5000000 | USD | 20241029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 14000000 | USD | 20241029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 5000000 | USD | 20240730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 9000000 | USD | 20240730 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 4000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 17000000 | USD | 20250227 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 5000000 | USD | 20241029 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 13000000 | USD | 20241029 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 4000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 8000000 | USD | 20240730 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 16000000 | USD | 20250227 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 0 | USD | 20221025 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 3000000 | USD | 20221025 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 2000000 | USD | 20220421 | Open filing evidence |
Internal Customers · Integrated · Operating Segments
Major Customers · Statement Business Segments · Consolidation Items
Source dimensions
srt:MajorCustomersAxis=fe:InternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 1000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 3000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-04-01 – 2026-06-30 | 1000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 2000000 | USD | 20260728 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 2000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 4000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2000000 | USD | 20260728 | Open filing evidence |
Internal Customers · Regulated Distribution · Operating Segments
Major Customers · Statement Business Segments · Consolidated Entities
Source dimensions
srt:MajorCustomersAxis=fe:InternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ConsolidatedEntitiesAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 201000000 | USD | 20220216 | Open filing evidence |
Internal Customers · Regulated Distribution · Operating Segments
Major Customers · Statement Business Segments · Consolidation Items
Source dimensions
srt:MajorCustomersAxis=fe:InternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 9000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 28000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-04-01 – 2026-06-30 | 10000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 19000000 | USD | 20260728 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 10000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 29000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 10000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 19000000 | USD | 20260728 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 8000000 | USD | 20240730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 19000000 | USD | 20240730 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 11000000 | USD | 20240425 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 228000000 | USD | 20240213 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 11000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 21000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 10000000 | USD | 20240425 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 232000000 | USD | 20240213 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 201000000 | USD | 20240213 | Open filing evidence |
Internal Customers · Regulated Transmission · Operating Segments
Major Customers · Statement Business Segments · Consolidated Entities
Source dimensions
srt:MajorCustomersAxis=fe:InternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:ConsolidatedEntitiesAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 10000000 | USD | 20220216 | Open filing evidence |
Internal Customers · Regulated Transmission · Operating Segments
Major Customers · Statement Business Segments · Consolidation Items
Source dimensions
srt:MajorCustomersAxis=fe:InternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 5000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 19000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-04-01 – 2026-06-30 | 7000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 14000000 | USD | 20260728 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 5000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 15000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 5000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 10000000 | USD | 20260728 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 4000000 | USD | 20240425 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 5000000 | USD | 20240213 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 4000000 | USD | 20240425 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 5000000 | USD | 20240213 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 10000000 | USD | 20240213 | Open filing evidence |
Rate Base2023 · Integrated
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=fe:RateBase2023Member;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-09-30 | 8700000000 | USD | 20241029 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 8700000000 | USD | 20240730 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 8700000000 | USD | 20240425 | Open filing evidence |
Rate Base2023 · Regulated Distribution
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=fe:RateBase2023Member;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-09-30 | 10900000000 | USD | 20241029 | Open filing evidence |
Rate Base2023 · Regulated Transmission
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=fe:RateBase2023Member;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-09-30 | 7700000000 | USD | 20241029 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 7700000000 | USD | 20240730 | Open filing evidence |
Alternative Revenue Program · Operating Segments · Regulated Distribution
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=fe:AlternativeRevenueProgramMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-07-01 – 2022-09-30 | 0 | USD | 20221025 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 0 | USD | 20221025 | Open filing evidence |
Alternative Revenue Program · ARP · Integrated Segment · Operating Segments
Product Or Service · Major Customers · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=fe:AlternativeRevenueProgramMember;srt:MajorCustomersAxis=fe:ARPMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 0 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 13000000 | USD | 20260728 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20260728 | Open filing evidence |
Alternative Revenue Program · Regulated Distribution · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=fe:AlternativeRevenueProgramMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 0 | USD | 20240213 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 0 | USD | 20240213 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | -27000000 | USD | 20240213 | Open filing evidence |
Retail Generation · Other Customers · Regulated Distribution
Product Or Service · Major Customers · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=fe:RetailGenerationMember;srt:MajorCustomersAxis=fe:OtherCustomersMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 75000000 | USD | 20220216 | Open filing evidence |
Retail Generation · Regulated Distribution
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=fe:RetailGenerationMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 9163000000 | USD | 20220216 | Open filing evidence |
Retail Generation · Regulated Distribution · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=fe:RetailGenerationMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 3730000000 | USD | 20220216 | Open filing evidence |
Retail Generation · Regulated Distribution · Commercial Customers
Product Or Service · Statement Business Segments · Major Customers
Source dimensions
srt:ProductOrServiceAxis=fe:RetailGenerationMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:MajorCustomersAxis=fe:CommercialCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 2284000000 | USD | 20220216 | Open filing evidence |
Retail Generation · Regulated Distribution · Industrial Customers
Product Or Service · Statement Business Segments · Major Customers
Source dimensions
srt:ProductOrServiceAxis=fe:RetailGenerationMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:MajorCustomersAxis=fe:IndustrialCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 1091000000 | USD | 20220216 | Open filing evidence |
Retail Generation · Regulated Distribution · Residential Customers
Product Or Service · Statement Business Segments · Major Customers
Source dimensions
srt:ProductOrServiceAxis=fe:RetailGenerationMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:MajorCustomersAxis=fe:ResidentialCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 5713000000 | USD | 20220216 | Open filing evidence |
Retail Generation · Regulated Transmission · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=fe:RetailGenerationMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 0 | USD | 20220216 | Open filing evidence |
Transmission Services · Regulated Distribution · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=fe:TransmissionServicesMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 0 | USD | 20220216 | Open filing evidence |
Product And Service Other · Operating Segments · Regulated Distribution
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 28000000 | USD | 20230801 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 58000000 | USD | 20230801 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 24000000 | USD | 20221025 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 78000000 | USD | 20221025 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 23000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 54000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 31000000 | USD | 20220421 | Open filing evidence |
Product And Service Other · Operating Segments · Regulated Transmission
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 2000000 | USD | 20230801 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 3000000 | USD | 20230801 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 1000000 | USD | 20221025 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 4000000 | USD | 20221025 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 1000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 3000000 | USD | 20230801 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 2000000 | USD | 20220421 | Open filing evidence |
Product And Service Other · Integrated Segment · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 45000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 206000000 | USD | 20260728 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 2000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 17000000 | USD | 20260728 | Open filing evidence |
Product And Service Other · Regulated Distribution · JERSEYCENTRALPOWERLIGHTCOMPANY · Operating Segments
Product Or Service · Statement Business Segments · Legal Entity · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 1000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 2000000 | USD | 20260728 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2000000 | USD | 20260728 | Open filing evidence |
Product And Service Other · Regulated Distribution · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 17000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 39000000 | USD | 20260728 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 20000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 43000000 | USD | 20260728 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 111000000 | USD | 20240213 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 101000000 | USD | 20240213 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 94000000 | USD | 20240213 | Open filing evidence |
Product And Service Other · Regulated Transmission · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 5000000 | USD | 20240213 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 1000000 | USD | 20231026 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 4000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 5000000 | USD | 20240213 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 1000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 4000000 | USD | 20231026 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 10000000 | USD | 20240213 | Open filing evidence |
Product And Service Other · Stand Alone Transmission Segment · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=fe:StandAloneTransmissionSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 7000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 14000000 | USD | 20260728 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 5000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 10000000 | USD | 20260728 | Open filing evidence |
Integrated · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 1810000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 4947000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1653000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 4263000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
Integrated Segment · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 1810000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 4947000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1653000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 4263000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1095000000 | USD | 20240425 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 1028000000 | USD | 20240425 | Open filing evidence |
Integrated Segment · Product And Service Other · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:IntegratedSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 25000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 231000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 11000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 28000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 8000000 | USD | 20240425 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 10000000 | USD | 20240425 | Open filing evidence |
Regulated Distribution · First Energy Pennsylvania Electric Company · Operating Segments
Statement Business Segments · Legal Entity · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;dei:LegalEntityAxis=fe:FirstEnergyPennsylvaniaElectricCompanyMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 1264000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 3579000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1139000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 3209000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
Regulated Distribution · First Energy Pennsylvania Electric Company · Product And Service Other · Operating Segments
Statement Business Segments · Legal Entity · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;dei:LegalEntityAxis=fe:FirstEnergyPennsylvaniaElectricCompanyMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 9000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 28000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 9000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 30000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
Regulated Distribution · JERSEYCENTRALPOWERLIGHTCOMPANY · Operating Segments
Statement Business Segments · Legal Entity · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 886000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 2211000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-04-01 – 2026-06-30 | 659000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 1325000000 | USD | 20260728 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 864000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 2022000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 592000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 1158000000 | USD | 20260728 | Open filing evidence |
Regulated Distribution · JERSEYCENTRALPOWERLIGHTCOMPANY · Product And Service Other · Operating Segments
Statement Business Segments · Legal Entity · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;dei:LegalEntityAxis=fe:JERSEYCENTRALPOWERLIGHTCOMPANYMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 1000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 3000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 3000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
Regulated Distribution · Operating Segments
Statement Business Segments · Consolidated Entities
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ConsolidatedEntitiesAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 9711000000 | USD | 20220216 | Open filing evidence |
Regulated Distribution · Operating Segments · External Customers
Statement Business Segments · Consolidated Entities · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ConsolidatedEntitiesAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:ExternalCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 10569000000 | USD | 20230213 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 9510000000 | USD | 20230213 | Open filing evidence |
Regulated Distribution · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 2253000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 5957000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 2020000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 5631000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 1648000000 | USD | 20240730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 3415000000 | USD | 20240730 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1767000000 | USD | 20240425 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 11038000000 | USD | 20240213 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 3034000000 | USD | 20231026 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 8402000000 | USD | 20231026 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 1627000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 3444000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 1817000000 Restated | USD | 20240425 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 10801000000 | USD | 20240213 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 3023000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 8038000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 2589000000 | USD | 20230427 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 9711000000 Restated | USD | 20240213 | Open filing evidence |
Regulated Distribution · Operating Segments · External Customers
Statement Business Segments · Consolidation Items · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:ExternalCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 1640000000 | USD | 20240730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 3396000000 | USD | 20240730 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 2978000000 | USD | 20231026 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 8231000000 | USD | 20231026 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 1616000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 3423000000 | USD | 20240730 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 2965000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 7867000000 | USD | 20231026 | Open filing evidence |
Regulated Distribution · Operating Segments · Internal Customers
Statement Business Segments · Consolidation Items · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:InternalCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-03-31 | 57000000 | USD | 20230427 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 57000000 | USD | 20230427 | Open filing evidence |
Regulated Distribution · Operating Segments · Other Services
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fe:OtherServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 119000000 | USD | 20220216 | Open filing evidence |
Regulated Distribution · Operating Segments · Product And Service Other
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 19000000 | USD | 20240730 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 40000000 | USD | 20240730 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 18000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 37000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 30000000 | USD | 20230427 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 31000000 | USD | 20230427 | Open filing evidence |
Regulated Distribution · External Customers · Operating Segments
Statement Business Segments · Major Customers · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:MajorCustomersAxis=fe:ExternalCustomersMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 1756000000 | USD | 20240425 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 1807000000 Restated | USD | 20240425 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 2532000000 | USD | 20230427 | Open filing evidence |
Regulated Distribution · Internal Customers · Operating Segments
Statement Business Segments · Major Customers · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:MajorCustomersAxis=fe:InternalCustomersMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 56000000 | USD | 20231026 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 171000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 232000000 | USD | 20230213 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 58000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 171000000 | USD | 20231026 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 201000000 | USD | 20230213 | Open filing evidence |
Regulated Distribution · Rate Base2023
Statement Business Segments · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:MajorCustomersAxis=fe:RateBase2023Member| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-06-30 | 10900000000 | USD | 20240730 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 10900000000 | USD | 20240425 | Open filing evidence |
Regulated Distribution · Distribution Services · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ProductOrServiceAxis=fe:DistributionServicesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 5433000000 | USD | 20220216 | Open filing evidence |
Regulated Distribution · Wholesale Sales · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ProductOrServiceAxis=fe:WholesaleSalesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 362000000 | USD | 20220216 | Open filing evidence |
Regulated Distribution · Product And Service Other · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedDistributionMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 17000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 56000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 20000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 63000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 21000000 | USD | 20240425 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 25000000 | USD | 20231026 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 83000000 | USD | 20231026 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 19000000 | USD | 20240425 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 101000000 | USD | 20230213 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 24000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 78000000 | USD | 20231026 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 94000000 | USD | 20230213 | Open filing evidence |
Regulated Transmission
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 1608000000 | USD | 20220216 | Open filing evidence |
Regulated Transmission · Operating Segments
Statement Business Segments · Consolidated Entities
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:ConsolidatedEntitiesAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 1618000000 | USD | 20220216 | Open filing evidence |
Regulated Transmission · Operating Segments · External Customers
Statement Business Segments · Consolidated Entities · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:ConsolidatedEntitiesAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:ExternalCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 1608000000 | USD | 20220216 | Open filing evidence |
Regulated Transmission · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 501000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 1561000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 488000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1435000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 438000000 | USD | 20240425 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 2054000000 | USD | 20240213 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 509000000 | USD | 20231026 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1490000000 | USD | 20231026 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 400000000 | USD | 20240425 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 1868000000 | USD | 20240213 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 503000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 1397000000 | USD | 20231026 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 1618000000 Restated | USD | 20240213 | Open filing evidence |
Regulated Transmission · Operating Segments · External Customers
Statement Business Segments · Consolidation Items · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=fe:ExternalCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 508000000 | USD | 20231026 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1487000000 | USD | 20231026 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 503000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 1394000000 | USD | 20231026 | Open filing evidence |
Regulated Transmission · External Customers · Operating Segments
Statement Business Segments · Major Customers · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:MajorCustomersAxis=fe:ExternalCustomersMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 434000000 | USD | 20240425 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 2049000000 | USD | 20240213 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 396000000 | USD | 20240425 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 1863000000 | USD | 20240213 | Open filing evidence |
Regulated Transmission · Internal Customers · Operating Segments
Statement Business Segments · Major Customers · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:MajorCustomersAxis=fe:InternalCustomersMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 1000000 | USD | 20231026 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 3000000 | USD | 20231026 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 0 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 3000000 | USD | 20231026 | Open filing evidence |
Regulated Transmission · Rate Base2023
Statement Business Segments · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:RegulatedTransmissionMember;srt:MajorCustomersAxis=fe:RateBase2023Member| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 7700000000 | USD | 20240425 | Open filing evidence |
Stand Alone Transmission Segment · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:StandAloneTransmissionSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 501000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 1561000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 488000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1435000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 438000000 | USD | 20240425 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 400000000 | USD | 20240425 | Open filing evidence |
Stand Alone Transmission Segment · Product And Service Other · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=fe:StandAloneTransmissionSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 5000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 19000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 5000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 15000000 | USD | 2026-10-28 · 20:35:21.000Z | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 4000000 | USD | 20240425 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 4000000 | USD | 20240425 | Open filing evidence |