XML 103 R88.htm IDEA: XBRL DOCUMENT
v3.22.4

REGULATORY MATTERS - Ohio (Details) - Ohio - PUCO meter in Thousands, $ in Thousands |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jul. 15, 2022 USD ($) meter circuit | Nov. 01, 2021 USD ($) | Jun. 01, 2016 USD ($) | Dec. 31, 2021 USD ($) | Sep. 13, 2021 requirement | Aug. 06, 2021 USD ($)
Regulatory Matters [Line Items] |  |  |  |  |  |
Proposed reduction in power plants carbon pollution (percent) |  |  | 90.00% |  |  |
DCR Rider |  |  |  |  |  |
Regulatory Matters [Line Items] |  |  |  |  |  |
Revenue cap for Rider for years 3-6 |  |  | $ 20,000 |  |  |
Revenue cap for Rider for years 6-8 |  |  | 15,000 |  |  |
Ohio Stipulation |  |  |  |  |  |
Regulatory Matters [Line Items] |  |  |  |  |  |
Rate refunds |  | $ 210,000 |  |  |  |
Rate refund in 2022 |  | 80,000 |  |  |  |
Rate refund in 2023 |  | 60,000 |  |  |  |
Rate refund in 2024 |  | 45,000 |  |  |  |
Rate refund in 2025 |  | 25,000 |  |  |  |
Ohio Stipulation | Regulated Distribution |  |  |  |  |  |
Regulatory Matters [Line Items] |  |  |  |  |  |
Pre-tax charges |  |  |  | $ 96,000 |  |
Energy Conservation, Economic Development and Job Retention |  |  |  |  |  |
Regulatory Matters [Line Items] |  |  |  |  |  |
Contribution amount |  |  | $ 51,000 |  |  |
Ohio Companies | Rider Delivery Capital Recovery Audit Report |  |  |  |  |  |
Regulatory Matters [Line Items] |  |  |  |  |  |
Refund to customer of pole attachment rates |  |  |  |  |  | $ 15
Number of minor non-compliance with requirements | requirement |  |  |  |  | 8 |
Number of requirements were in compliance | requirement |  |  |  |  | 23 |
Ohio Companies | SEET 2017-2019 Cases |  |  |  |  |  |
Regulatory Matters [Line Items] |  |  |  |  |  |
Rate refunds |  | $ 96,000 |  |  |  |
Ohio Companies | Phase Two of Grid Modernization Plan |  |  |  |  |  |
Regulatory Matters [Line Items] |  |  |  |  |  |
Numbers of additional meters to be installed | meter | 700 |  |  |  |  |
Number of circuits additional automation equipment to be installed on | circuit | 240 |  |  |  |  |
Number of circuits additional voltage regulating equipment to be installed on | circuit | 220 |  |  |  |  |
Period of grid modernization plan | 4 years |  |  |  |  |
Requested amount of capital investments | $ 626,000 |  |  |  |  |
Requested amount of operations and maintenance expenses | $ 144,000 |  |  |  |  |

X
- Definition Annual Revenue Cap for Rider For Years Six Through Eight + References No definition available. + Details
Name: | fe_AnnualRevenueCapforRiderForYearsSixThroughEight
Namespace Prefix: | fe_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Annual Revenue Cap for Rider For Years Three Through Six + References No definition available. + Details
Name: | fe_AnnualRevenueCapforRiderForYearsThreeThroughSix
Namespace Prefix: | fe_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Loss Contingency, Refund to Customer, Pole Attachment Rates + References No definition available. + Details
Name: | fe_LossContingencyRefundToCustomerPoleAttachmentRates
Namespace Prefix: | fe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Proposed Action, Reduction in Power Plants Carbon Pollution, Percentage + References No definition available. + Details
Name: | fe_ProposedActionReductioninPowerPlantsCarbonPollutionPercentage
Namespace Prefix: | fe_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Public Utilities, Contribution Amount + References No definition available. + Details
Name: | fe_PublicUtilitiesContributionAmount
Namespace Prefix: | fe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Public Utilities, Grid Modernization Plan, Additional Automation Equipment On Circuits + References No definition available. + Details
Name: | fe_PublicUtilitiesGridModernizationPlanAdditionalAutomationEquipmentOnCircuits
Namespace Prefix: | fe_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Public Utilities, Grid Modernization Plan, Additional Numbers Of Meters To Be Installed + References No definition available. + Details
Name: | fe_PublicUtilitiesGridModernizationPlanAdditionalNumbersOfMetersToBeInstalled
Namespace Prefix: | fe_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Public Utilities, Grid Modernization Plan, Additional Voltage Regulating Equipment On Circuits + References No definition available. + Details
Name: | fe_PublicUtilitiesGridModernizationPlanAdditionalVoltageRegulatingEquipmentOnCircuits
Namespace Prefix: | fe_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Public Utilities, Grid Modernization Plan, Period + References No definition available. + Details
Name: | fe_PublicUtilitiesGridModernizationPlanPeriod
Namespace Prefix: | fe_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Public Utilities, Requested Rate Increase, Amount of Capital Investments + References No definition available. + Details
Name: | fe_PublicUtilitiesRequestedRateIncreaseAmountOfCapitalInvestments
Namespace Prefix: | fe_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Public Utilities, Requested Rate Increase, Amount of Operations and Maintenance Expenses + References No definition available. + Details
Name: | fe_PublicUtilitiesRequestedRateIncreaseAmountOfOperationsAndMaintenanceExpenses
Namespace Prefix: | fe_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Public Utilities, Requested Rate Refund, Amount + References No definition available. + Details
Name: | fe_PublicUtilitiesRequestedRateRefundAmount
Namespace Prefix: | fe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Public Utilities, Requested Rate Refund, Next Twelve Months, Amount + References No definition available. + Details
Name: | fe_PublicUtilitiesRequestedRateRefundNextTwelveMonthsAmount
Namespace Prefix: | fe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Public Utilities, Requested Rate Refund, Year Four, Amount + References No definition available. + Details
Name: | fe_PublicUtilitiesRequestedRateRefundYearFourAmount
Namespace Prefix: | fe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Public Utilities, Requested Rate Refund, Year Three, Amount + References No definition available. + Details
Name: | fe_PublicUtilitiesRequestedRateRefundYearThreeAmount
Namespace Prefix: | fe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Public Utilities, Requested Rate Refund, Year Two, Amount + References No definition available. + Details
Name: | fe_PublicUtilitiesRequestedRateRefundYearTwoAmount
Namespace Prefix: | fe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Public Utilities, Separation Requirements, Number of Minor Non-Compliance with Requirements + References No definition available. + Details
Name: | fe_PublicUtilitiesSeparationRequirementsNumberOfMinorNonComplianceWithRequirements
Namespace Prefix: | fe_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Public Utilities, Separation Requirements, Number of Requirements Were in Compliance + References No definition available. + Details
Name: | fe_PublicUtilitiesSeparationRequirementsNumberOfRequirementsWereInCompliance
Namespace Prefix: | fe_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Regulatory matters. + References No definition available. + Details
Name: | fe_RegulatoryMattersLineItems
Namespace Prefix: | fe_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126905981&loc=d3e2420-110228 + Details
Name: | us-gaap_AssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_OH
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryAgencyAxis=fe_PublicUtilitiesCommissionOfOhioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilitiesRegulatoryProceedingAxis=fe_DeliveryCapitalRecoveryRiderMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilitiesRegulatoryProceedingAxis=fe_OhioStipulationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=fe_RegulatedDistributionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fe_RegulatoryMattersSecondaryAxis=fe_EnergyConservationEconomicDevelopmentandJobRetentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=fe_CEIOEandTEMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilitiesRegulatoryProceedingAxis=fe_RiderDeliveryCapitalRecoveryAuditReportMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilitiesRegulatoryProceedingAxis=fe_SEET20172019CasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilitiesRegulatoryProceedingAxis=fe_PhaseTwoOfGridModernizationPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |