XML 117 R91.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Regulatory Matters - RECO Narrative (Details) - USD ($) $ in Thousands |  |  |  | 1 Months Ended |
--- | --- | --- | --- | --- | ---
Aug. 30, 2022 | Jan. 01, 2022 | Dec. 31, 2021 | Jan. 31, 2024 | Dec. 31, 2022 | Dec. 31, 2023
RECO |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |
Deferred costs |  |  |  |  |  | $ 4,800
RECO | New Jersey Board of Public Utilities |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |
Investment plan |  |  |  |  | $ 47,800 |
Investment plan, term (in years) |  |  |  |  | 5 years |
CECONY |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |
Deferred costs |  |  |  |  |  | $ 3,000
CECONY | Infrastructure Investment and Jobs Act (IIJA) | Subsequent Event |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |
Investment plan |  |  |  | $ 100,000 |  |
O&R And RECO | Infrastructure Investment and Jobs Act (IIJA) | Subsequent Event |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |
Investment plan |  |  |  | 100,000 |  |
CECONY, O&R And RECO | Infrastructure Investment and Jobs Act (IIJA) | Subsequent Event |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |
Investment plan |  |  |  | $ 60,000 |  |
Electric | RECO |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |
Requested rate increase (decrease), amount | $ 18,200 |  | $ 16,900 |  |  |
Electric | RECO | New Jersey Board of Public Utilities |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |
Requested rate increase (decrease), amount |  | $ 9,650 |  |  |  |

X
- Definition Public Utilities, Infrastructure Investment Plan + References No definition available. + Details
Name: | ed_PublicUtilitiesInfrastructureInvestmentPlan
Namespace Prefix: | ed_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Public Utilities, Infrastructure Investment Plan, Period + References No definition available. + Details
Name: | ed_PublicUtilitiesInfrastructureInvestmentPlanPeriod
Namespace Prefix: | ed_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The carrying amount of deferred costs. + References No definition available. + Details
Name: | us-gaap_DeferredCostsCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_PublicUtilitiesGeneralDisclosuresLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of public utility's requested rate increase (decrease) with regulatory agency. + References No definition available. + Details
Name: | us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

X
- Details
Name: | dei_LegalEntityAxis=ed_ConsolidatedEdisonCompanyofNewYorkInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_PublicUtilityAxis=us-gaap_ElectricTransmissionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |