XML 182 R154.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Derivative Instruments and Hedging Activities - Realized and Unrealized Gains or Losses on Commodity Derivatives (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred gains (losses) | $ (90) | $ (332)
Total deferred or recognized gains (losses) |  | (780)
Net deferred gains/(losses) | (185) | (1,112)
Pre-tax gains (losses) recognized in income |  |
Total pre-tax gains (losses) recognized in income | $ 0 | $ 26
Gas purchased for resale (b) |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Operating costs | Operating costs
Pre-tax gains (losses) recognized in income |  |
Total pre-tax gains (losses) recognized in income | $ 0 | $ 4
Non-utility |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | TOTAL OPERATING REVENUES | TOTAL OPERATING REVENUES
Pre-tax gains (losses) recognized in income |  |
Total pre-tax gains (losses) recognized in income | $ 0 | $ 17
Other interest expense (b) |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other interest expense (income) | Other interest expense (income)
Pre-tax gains (losses) recognized in income |  |
Total pre-tax gains (losses) recognized in income |  | $ 5
Interest Expense |  |
Pre-tax gains (losses) recognized in income |  |
Total pre-tax gains (losses) recognized in income | $ 0 |
Regulatory Liabilities Current |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred gains (losses) | (49) | (236)
Total deferred or recognized gains (losses) | (95) |
Regulatory Liabilities Non Current |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred gains (losses) | (41) | (96)
Regulatory Assets Current |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred or recognized gains (losses) | 166 | (85)
Recoverable energy costs |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred or recognized gains (losses) | (318) | (563)
Deferred Derivative Losses, Noncurrent |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred or recognized gains (losses) | 57 | (132)
CECONY |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred gains (losses) |  | (297)
Net deferred gains/(losses) | (171) | (1,028)
Pre-tax gains (losses) recognized in income |  |
Total pre-tax gains (losses) recognized in income | $ 0 | $ 0
CECONY | Gas purchased for resale (b) |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Operating costs | Operating costs
Pre-tax gains (losses) recognized in income |  |
Total pre-tax gains (losses) recognized in income |  | $ 0
CECONY | Non-utility |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | TOTAL OPERATING REVENUES | TOTAL OPERATING REVENUES
Pre-tax gains (losses) recognized in income |  |
Total pre-tax gains (losses) recognized in income |  | $ 0
CECONY | Other interest expense (b) |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other interest expense (income) | Other interest expense (income)
CECONY | Interest Expense |  |
Pre-tax gains (losses) recognized in income |  |
Total pre-tax gains (losses) recognized in income |  | $ 0
CECONY | Subsidiaries |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred gains (losses) | $ (92) |
CECONY | Subsidiaries | Gas purchased for resale (b) |  |
Pre-tax gains (losses) recognized in income |  |
Total pre-tax gains (losses) recognized in income | 0 |
CECONY | Subsidiaries | Non-utility |  |
Pre-tax gains (losses) recognized in income |  |
Total pre-tax gains (losses) recognized in income | 0 |
CECONY | Subsidiaries | Interest Expense |  |
Pre-tax gains (losses) recognized in income |  |
Total pre-tax gains (losses) recognized in income | 0 |
CECONY | Regulatory Liabilities Current |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred gains (losses) |  | (216)
Total deferred or recognized gains (losses) |  | (731)
CECONY | Regulatory Liabilities Current | Subsidiaries |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred gains (losses) | (49) |
Total deferred or recognized gains (losses) | (79) |
CECONY | Regulatory Liabilities Non Current |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred gains (losses) |  | (81)
CECONY | Regulatory Liabilities Non Current | Subsidiaries |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred gains (losses) | (43) |
CECONY | Regulatory Assets Current |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred or recognized gains (losses) |  | (76)
CECONY | Regulatory Assets Current | Subsidiaries |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred or recognized gains (losses) | 161 |
CECONY | Recoverable energy costs |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred or recognized gains (losses) |  | (533)
CECONY | Recoverable energy costs | Subsidiaries |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred or recognized gains (losses) | (294) |
CECONY | Deferred Derivative Losses, Noncurrent |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred or recognized gains (losses) |  | $ (122)
CECONY | Deferred Derivative Losses, Noncurrent | Subsidiaries |  |
Pre-tax gains (losses) deferred in accordance with accounting rules for regulated operations: |  |
Total deferred or recognized gains (losses) | $ 54 |

X
- Definition Deferred Derivative Gains Losses + References No definition available. + Details
Name: | ed_DeferredDerivativeGainsLosses
Namespace Prefix: | ed_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Deferred gain/(loss), liability + References No definition available. + Details
Name: | ed_DeferredGainLossLiability
Namespace Prefix: | ed_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Derivative Assets Liabilities At Fair Value By Balance Sheet Classification [Abstract] + References No definition available. + Details
Name: | ed_DerivativeAssetsLiabilitiesAtFairValueByBalanceSheetClassificationAbstract
Namespace Prefix: | ed_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net deferred gain/(loss) + References No definition available. + Details
Name: | ed_NetDeferredGainLoss
Namespace Prefix: | ed_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Pretax Effects Of Derivative Instruments On Consolidated Statements Of Operations [Abstract] + References No definition available. + Details
Name: | ed_PretaxEffectsOfDerivativeInstrumentsOnConsolidatedStatementsOfOperationsAbstract
Namespace Prefix: | ed_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + Details
Name: | us-gaap_DerivativeGainLossOnDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + Details
Name: | us-gaap_DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=ed_GasPurchasedForResaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=ed_NonUtilityProductsAndServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=ed_InterestExpenseIncomeOtherNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_InterestExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementOfFinancialPositionLocationActivityAccrualAxis=ed_RegulatoryLiabilitiesCurrentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementOfFinancialPositionLocationActivityAccrualAxis=ed_RegulatoryLiabilitiesNonCurrentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementOfFinancialPositionLocationActivityAccrualAxis=ed_RegulatoryAssetsCurrentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementOfFinancialPositionLocationActivityAccrualAxis=ed_RecoverableEnergyCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementOfFinancialPositionLocationActivityAccrualAxis=ed_RegulatoryAssetsNonCurrentMember
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: | srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |