XML 159 R131.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Electricity and Gas Purchase Agreements - Summary of Estimated Capacity and Other Fixed Payments (Details) $ in Millions | Dec. 31, 2024 USD ($)
--- | ---
Long-term Contract for Purchase of Electric Power [Line Items] |
2025 |
2026 |
2027 |
2028 |
2029 |
All Years Thereafter |
Electricity power purchase agreements |
Long-term Contract for Purchase of Electric Power [Line Items] |
2025 | 234
2026 | 131
2027 | 60
2028 | 49
2029 | 44
All Years Thereafter | 302
Natural gas |
Long-term Contract for Purchase of Electric Power [Line Items] |
2025 | 383
2026 | 11
2027 | 8
2028 | 0
2029 | 0
All Years Thereafter | 0
Gas transportation and storage |
Long-term Contract for Purchase of Electric Power [Line Items] |
2025 | 510
2026 | 497
2027 | 450
2028 | 376
2029 | 212
All Years Thereafter | 2,390
CECONY |
Long-term Contract for Purchase of Electric Power [Line Items] |
2025 |
2026 |
2027 |
2028 |
2029 |
All Years Thereafter |
CECONY | Electricity power purchase agreements |
Long-term Contract for Purchase of Electric Power [Line Items] |
2025 | 230
2026 | 128
2027 | 59
2028 | 49
2029 | 44
All Years Thereafter | 302
CECONY | Natural gas |
Long-term Contract for Purchase of Electric Power [Line Items] |
2025 | 331
2026 | 10
2027 | 7
2028 | 0
2029 | 0
All Years Thereafter | 0
CECONY | Gas transportation and storage |
Long-term Contract for Purchase of Electric Power [Line Items] |
2025 | 445
2026 | 434
2027 | 394
2028 | 329
2029 | 185
All Years Thereafter | $ 2,083

X
- Definition Amount of contractual obligation to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueAfterFifthYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueInFifthYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueInFourthYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueInNextTwelveMonths
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueInSecondYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueInThirdYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.D) -SubTopic 10 -Topic 980 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480114/980-10-S99-1 + Details
Name: | us-gaap_LongTermContractForPurchaseOfElectricPowerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ed_AgreementAxis=ed_ElectricityPowerPurchaseAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ed_AgreementAxis=ed_NaturalGasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ed_AgreementAxis=ed_GasTransportationAndStorageMember
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: |