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Contract With Customer, Receivable, Expected Amount

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

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- Definition

Revenue From Contracts With Customer, Late Payment Charges And Fees

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

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- Definition

Suspension Period Of Residential Terminations

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- 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.

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- Definition

Amount of allowance for credit loss on accounts receivable, classified as current.

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Amount of direct write-downs of accounts receivable charged against the allowance.

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- Definition

The carrying amount of deferred costs.

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- Definition

Amount of government assistance recognized.

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Duration of government assistance transaction, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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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.

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Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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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				25 Months Ended	34 Months Ended
	Jan. 31, 2023	Jun. 30, 2022	Jan. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2022	Dec. 31, 2022	Nov. 30, 2021	Jan. 01, 2021
Public Utilities, General Disclosures [Line Items]
Reserve adjustments					$ 5.0	$ 169.0	$ 78.0
Accounts receivable - customers, allowance for uncollectible accounts					$ 322.0	317.0			$ 322.0
Government Assistance Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag					Government
CECONY
Public Utilities, General Disclosures [Line Items]
Reserve adjustments					$ 10.0	166.0	74.0
Accounts receivable - customers, allowance for uncollectible accounts					314.0	304.0			314.0
CECONY \| Subsidiaries \| COVID-19 Arrears Assistance Program
Public Utilities, General Disclosures [Line Items]
Government assistance		$ 164.5			359.9
Government assistance, transaction duration (in years)		4 years
CECONY \| Subsidiaries \| COVID-19 Arrears Assistance Program \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Government assistance	$ 388.7
Government assistance, transaction duration (in years)	10 years
O&R \| Subsidiaries \| COVID-19 Arrears Assistance Program
Public Utilities, General Disclosures [Line Items]
Government assistance		$ 1.6			6.1
Government assistance, transaction duration (in years)		1 year
O&R \| Subsidiaries \| COVID-19 Arrears Assistance Program \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Government assistance	$ 2.9
Government assistance, transaction duration (in years)	1 year
COVID-19
Public Utilities, General Disclosures [Line Items]
Deferred costs					0.5				0.5
COVID-19 \| Electric \| Subsidiaries \| Scenario, Forecast
Public Utilities, General Disclosures [Line Items]
Late payment charges and fees				$ 19.0
COVID-19 \| Gas \| Subsidiaries \| Scenario, Forecast
Public Utilities, General Disclosures [Line Items]
Late payment charges and fees				$ 4.0
COVID-19 \| CECONY
Public Utilities, General Disclosures [Line Items]
Reserve adjustments					249.0
Allowance for credit loss, write-off									3.0
COVID-19 \| CECONY \| Subsidiaries
Public Utilities, General Disclosures [Line Items]
Reserve for customer arrearages										$ 7.0
COVID-19 \| CECONY \| Electric \| Subsidiaries
Public Utilities, General Disclosures [Line Items]
Late payment charges and fees					43.0
COVID-19 \| CECONY \| Gas \| Subsidiaries
Public Utilities, General Disclosures [Line Items]
Late payment charges and fees					7.0
COVID-19 \| CECONY \| Electric and Gas Transmission Projects \| Subsidiaries
Public Utilities, General Disclosures [Line Items]
Accounts receivable, before allowance for credit loss, current					164.5				164.5
Accounts receivable - customers, allowance for uncollectible accounts					108.4				108.4
Income tax rate reconciliation, tax credit					80.0
COVID-19 \| O&R
Public Utilities, General Disclosures [Line Items]
Reserve adjustments					3.0
Allowance for credit loss, write-off									0.0
COVID-19 \| O&R \| Electric \| Subsidiaries
Public Utilities, General Disclosures [Line Items]
Late payment charges and fees							$ 1.7
COVID-19 \| O&R \| Gas \| Subsidiaries
Public Utilities, General Disclosures [Line Items]
Late payment charges and fees						2.4
COVID-19 \| O&R \| Electric and Gas Transmission Projects \| Subsidiaries
Public Utilities, General Disclosures [Line Items]
Accounts receivable, before allowance for credit loss, current					1.6				1.6
Accounts receivable - customers, allowance for uncollectible accounts					3.2				3.2
Income tax rate reconciliation, tax credit					$ 1.3
COVID-19 \| Consolidated Edison Company of New York, Inc. And Orange And Rockland Utilities, Inc. \| 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 Utilities, Inc. \| Electric and Gas Transmission Projects \| Subsidiaries
Public Utilities, General Disclosures [Line Items]
Allowance for credit loss, write-off								$ 11.0	$ 46.0
Suspension period of residential terminations (in years)					30 days
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