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- Definition

Contract With Customer, Receivable, Expected Amount

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- Definition

Government Assistance Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag

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- Definition

Public Utilities, Property, Plant And Equipment, Base Rate, Amount Of Cost Recovery

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- Definition

Revenue From Contracts With Customer, Late Payment Charges And Fees, Reserve

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- Definition

Amount of government assistance recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 832
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483507/832-10-50-3

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- 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
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-12

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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.

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Regulatory Matters - COVID-19 Regulatory Matters (Details) - USD ($) $ in Millions	1 Months Ended		12 Months Ended
	Nov. 30, 2021	Jan. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2021
CECONY \| Electric \| NYSPSC
Public Utilities, General Disclosures [Line Items]
Amount of cost recovery	$ 43.0				$ 62.0
CECONY \| Gas \| NYSPSC
Public Utilities, General Disclosures [Line Items]
Amount of cost recovery	$ 7.0				11.0
O&R \| NYSPSC
Public Utilities, General Disclosures [Line Items]
Amount of cost recovery					$ 2.0	$ 1.7
Subsidiaries \| CECONY \| COVID-19 Arrears Assistance Program
Public Utilities, General Disclosures [Line Items]
Government Assistance Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag				credits
Government assistance			$ 352.3	$ 359.9
Subsidiaries \| O&R \| COVID-19 Arrears Assistance Program
Public Utilities, General Disclosures [Line Items]
Government Assistance Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag				credits
Government assistance			2.9	$ 6.1
Subsidiaries \| COVID-19 \| CECONY \| Electric and Gas Transmission Projects
Public Utilities, General Disclosures [Line Items]
Government assistance			13.2	164.5
Income tax rate reconciliation, tax credit			11.5	80.0
Subsidiaries \| COVID-19 \| CECONY \| Electric and Gas Transmission Projects \| COVID-19 Arrears Phase 1 Assistance Program
Public Utilities, General Disclosures [Line Items]
Government assistance				108.4
Subsidiaries \| COVID-19 \| CECONY \| Electric and Gas Transmission Projects \| COVID-19 Arrears Phase 2 Assistance Program
Public Utilities, General Disclosures [Line Items]
Government assistance			327.6
Subsidiaries \| COVID-19 \| O&R \| Electric and Gas Transmission Projects
Public Utilities, General Disclosures [Line Items]
Government assistance				1.6
Income tax rate reconciliation, tax credit			0.7	1.3
Subsidiaries \| COVID-19 \| O&R \| Electric and Gas Transmission Projects \| COVID-19 Arrears Phase 1 Assistance Program
Public Utilities, General Disclosures [Line Items]
Government assistance			0.1	3.2
Subsidiaries \| COVID-19 \| O&R \| Electric and Gas Transmission Projects \| COVID-19 Arrears Phase 2 Assistance Program
Public Utilities, General Disclosures [Line Items]
Government assistance			$ 2.1
Subsidiaries \| COVID-19 \| Consolidated Edison Company of New York, Inc. And Orange And Rockland Utilities, Inc.
Public Utilities, General Disclosures [Line Items]
Reserve for customer arrearages				$ 7.0
Summer Cooling Credit Program \| Subsidiaries \| Residential Customers \| COVID-19 \| CECONY
Public Utilities, General Disclosures [Line Items]
Expected deferred revenue							$ 63.4
Cost of the program, recovery period		5 years