XML 72 R57.htm IDEA: XBRL DOCUMENT v3.25.3

Regulatory Matters - CECONY, Q&R New York and RECO Narrative (Details) - USD ($) $ in Millions	1 Months Ended			2 Months Ended
	Oct. 31, 2025	May 31, 2025	Mar. 31, 2025	Oct. 31, 2025	Aug. 31, 2025
RECO | New Jersey Board of Public Utilities
Public Utilities, General Disclosures [Line Items]
Defer incremental preparation costs					$ 5.0
Steam | CECONY
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount		$ 332.0
Electric | O&R
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount			$ 17.7
Electric | O&R | Year 1
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount			(13.1)
Electric | O&R | Year 2
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount			24.8
Electric | O&R | Year 3
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount			44.1
Electric | RECO | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount	$ 31.8			$ 6.6
Common equity ratio (percent)	50.04%
Return on common equity (as a percent)	10.30%
Gas | O&R
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount			10.4
Gas | O&R | Year 1
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount			3.6
Gas | O&R | Year 2
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount			18.0
Gas | O&R | Year 3
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount			$ 16.5

X

- Definition

Common Equity Ratio, Percentage

+ References

No definition available.

+ Details

Name:	ed_CommonEquityRatioPercentage
Namespace Prefix:	ed_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Carrying amount as of the balance sheet date of capitalized storm costs of a regulated entity that are expected to be recoverable through rate adjustments within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 980
-SubTopic 340
-Name Accounting Standards Codification
-Section 25
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477711/980-340-25-1

+ Details

Name:	us-gaap_DeferredStormAndPropertyReserveDeficiencyCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Percentage of public utility's approved return on equity.

+ References

No definition available.

+ Details

Name:	us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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

- 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_RocklandElectricCompanyRECOMember
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:	us-gaap_PublicUtilityAxis=ed_SteamMember
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_PublicUtilityAxis=us-gaap_ElectricTransmissionMember
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_LongTermContractForPurchaseOfElectricPowerAxis=ed_RatePlanforYear1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=ed_RatePlanforYear2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=ed_RatePlanforYear3Member
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:	us-gaap_PublicUtilityAxis=us-gaap_GasTransmissionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: