XML 106 R91.htm IDEA: XBRL DOCUMENT
v3.22.4

COMMITMENTS, GUARANTEES AND CONTINGENCIES - Schedule of Guarantor Obligations (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($)
Guarantor Obligations [Line Items] |
Potential additional collateral obligations | $ 380
Percent of face amount of debt | 100.00%
Curing period | 30 days
Utilities and Transmission Companies |
Guarantor Obligations [Line Items] |
Potential additional collateral obligations | $ 131
FE |
Guarantor Obligations [Line Items] |
Potential additional collateral obligations | 249
Upon Further Downgrade |
Guarantor Obligations [Line Items] |
Potential additional collateral obligations | 70
Upon Further Downgrade | Utilities and Transmission Companies |
Guarantor Obligations [Line Items] |
Potential additional collateral obligations | 70
Upon Further Downgrade | FE |
Guarantor Obligations [Line Items] |
Potential additional collateral obligations | 0
Surety Bond |
Guarantor Obligations [Line Items] |
Potential additional collateral obligations | $ 310
Percent of face amount of debt | 60.00%
Capped portion of surety bond obligations | $ 39
Surety Bond | Utilities and Transmission Companies |
Guarantor Obligations [Line Items] |
Potential additional collateral obligations | 61
Surety Bond | FE |
Guarantor Obligations [Line Items] |
Potential additional collateral obligations | $ 249

X
- Definition Guarantor Obligations, Capped Portion of Surety Bond Obligations + References No definition available. + Details
Name: | fe_GuarantorObligationsCappedPortionOfSuretyBondObligations
Namespace Prefix: | fe_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Guarantor Obligations, Curing Period + References No definition available. + Details
Name: | fe_GuarantorObligationsCuringPeriod
Namespace Prefix: | fe_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Guarantor Obligations, Maximum Contractual Obligations, Percent of Face Amount of Debt + References No definition available. + Details
Name: | fe_GuarantorObligationsMaximumContractualObligationsPercentOfFaceAmountOfDebt
Namespace Prefix: | fe_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_GuaranteeObligationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248 + Details
Name: | us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_GuaranteeObligationsByNatureAxis=fe_UponFurtherDowngradeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_SuretyBondMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |