XML 74 R60.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Regulatory Matters - COVID-19 Regulatory Matters (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 13 Months Ended | 25 Months Ended | 31 Months Ended | 33 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2022 | Jan. 31, 2021 | Sep. 30, 2022 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2023 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2022 | Mar. 31, 2022 | Sep. 30, 2022 | Sep. 30, 2022 | Nov. 30, 2021 | Jan. 01, 2021
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserve adjustments |  |  |  | $ (12.0) | $ 165.0 |  |  |  |  |  |  |  |  |
Accounts receivable - customers, allowance for uncollectible accounts |  |  | $ 305.0 | 305.0 |  |  | $ 317.0 |  |  |  | $ 305.0 | $ 305.0 |  |
Accounts receivable |  |  | 2,095.0 | 2,095.0 |  |  | 1,943.0 |  |  |  | 2,095.0 | 2,095.0 |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserve adjustments |  |  |  | (7.0) | $ 162.0 |  |  |  |  |  |  |  |  |
Accounts receivable - customers, allowance for uncollectible accounts |  |  | 297.0 | 297.0 |  |  | 304.0 |  |  |  | 297.0 | 297.0 |  |
Accounts receivable |  |  | 1,982.0 | 1,982.0 |  |  | 1,841.0 |  |  |  | 1,982.0 | 1,982.0 |  |
CECONY | Subsidiaries | COVID-19 Arrears Assistance Program |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credits issued from government assistance | $ 164.5 |  | 265.8 | 315.1 |  |  |  |  |  |  |  |  |  |
Eligible credit recovery period | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |
O&R | Subsidiaries | COVID-19 Arrears Assistance Program |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credits issued from government assistance | $ 1.6 |  | 4.7 | 5.5 |  |  |  |  |  |  |  |  |  |
Eligible credit recovery period | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |
COVID-19 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred costs |  |  | 0.4 | 0.4 |  |  |  |  |  |  | 0.4 | 0.4 |  |
COVID-19 | Consolidated Edison Company of New York, Inc. And Orange And Rockland | Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserve for customer arrearages |  |  |  |  |  |  | 7.0 |  |  |  |  |  |  |
COVID-19 | Consolidated Edison Company of New York, Inc. And Orange And Rockland | Electric and Gas Transmission Projects | Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Write off |  |  |  |  |  |  |  |  |  | $ 11.0 |  |  |  |
COVID-19 | CECONY | Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserve for customer arrearages |  |  |  |  |  |  |  |  |  |  |  |  | $ 7.0 |
COVID-19 | CECONY | Electric and Gas Transmission Projects | Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserve adjustments |  |  |  |  |  |  |  |  |  |  |  | 232.0 |  |
Write off |  |  |  |  |  |  |  |  |  |  | 19.0 |  |  |
Account receivable, before allowance for credit loss |  |  | 148.4 | 148.4 |  |  |  |  |  |  | 148.4 | 148.4 |  |
Accounts receivable - customers, allowance for uncollectible accounts |  |  | 89.6 | 89.6 |  |  |  |  |  |  | 89.6 | 89.6 |  |
Tax credit |  |  | 20.9 | 70.1 |  |  |  |  |  |  |  |  |  |
Accounts receivable |  |  | 2,279.0 | 2,279.0 |  |  |  |  |  |  | 2,279.0 | 2,279.0 |  |
COVID-19 | CECONY | Gas | Subsidiaries | Scenario, Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Late payment charges and fees |  |  |  |  |  | $ 4.0 |  |  | $ 7.0 |  |  |  |  |
COVID-19 | CECONY | Electric | Subsidiaries | Scenario, Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Late payment charges and fees |  |  |  |  |  | $ 19.0 |  |  | $ 43.0 |  |  |  |  |
COVID-19 | O&R | Electric and Gas Transmission Projects | Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Account receivable, before allowance for credit loss |  |  | 1.6 | 1.6 |  |  |  |  |  |  | 1.6 | 1.6 |  |
Accounts receivable - customers, allowance for uncollectible accounts |  |  | 2.7 | 2.7 |  |  |  |  |  |  | 2.7 | 2.7 |  |
Tax credit |  |  | 0.4 | 1.2 |  |  |  |  |  |  |  |  |  |
Accounts receivable |  |  | $ 109.0 | $ 109.0 |  |  |  |  |  |  | 109.0 | 109.0 |  |
COVID-19 | O&R | Gas | Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Late payment charges and fees |  |  |  |  |  |  | $ 2.4 |  |  |  |  |  |  |
Reserve adjustments |  |  |  |  |  |  |  |  |  |  |  | $ 3.0 |  |
Write off |  |  |  |  |  |  |  |  |  |  | $ 1.0 |  |  |
COVID-19 | O&R | Electric | Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Late payment charges and fees |  |  |  |  |  |  |  | $ 1.7 |  |  |  |  |  |
Summer Cooling Credit Program | Residential Customers | COVID-19 | CECONY | Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected deferred revenue |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 63.4
Cost of the program, recovery period |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Contract With Customer, Cost Of Program, Recovery Period + References No definition available. + Details
Name: | ed_ContractWithCustomerCostOfProgramRecoveryPeriod
Namespace Prefix: | ed_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contract With Customer, Receivable, Expected Amount + References No definition available. + Details
Name: | ed_ContractWithCustomerReceivableExpectedAmount
Namespace Prefix: | ed_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Revenue From Contracts With Customer, Late Payment Charges And Fees + References No definition available. + Details
Name: | ed_RevenueFromContractsWithCustomerLatePaymentChargesAndFees
Namespace Prefix: | ed_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Revenue From Contracts With Customer, Late Payment Charges And Fees, Reserve + References No definition available. + Details
Name: | ed_RevenueFromContractsWithCustomerLatePaymentChargesAndFeesReserve
Namespace Prefix: | ed_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4531-111522 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_AccountsReceivableGrossCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4531-111522 + Details
Name: | us-gaap_AccountsReceivableNetCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of direct write-downs of accounts receivable charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
Name: | us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 Amount of government assistance recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 832 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=128342832&loc=SL128342943-244231 + Details
Name: | us-gaap_GovernmentAssistanceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Duration of government assistance transaction, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 832 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=128342832&loc=SL128342950-244231 + Details
Name: | us-gaap_GovernmentAssistanceTransactionDuration
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
Name: | us-gaap_IncomeTaxReconciliationTaxCredits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(5)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
Name: | us-gaap_ProvisionForDoubtfulAccounts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
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_GovernmentAssistanceTypeAxis=ed_COVID19ArrearsAssistanceProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=ed_COVID19Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
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: |

X
- Details
Name: | ed_ProgramAxis=ed_SummerCoolingCreditProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=ed_ResidentialCustomersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |