Income Tax (Tables)

9 Months Ended

Sep. 30, 2023

Income Tax Disclosure [Abstract]

Schedule of Income Tax Reconciliation

Reconciliation of the difference between income tax expense and the amount computed by applying the prevailing statutory income tax rate to income before income taxes for the three months ended September 30, 2023 and 2022 is as follows:

	For the Three Months Ended September 30,
	Con Edison				CECONY
(% of Pre-tax income)	2023		2022		2023		2022
STATUTORY TAX RATE
Federal	21	%	21	%	21	%	21	%
Changes in computed taxes resulting from:
State income tax, net of federal income tax benefit	8		6		5		5
Amortization of excess deferred federal income taxes	(6)		(6)		(7)		(7)
Cost of removal	1		1		1		1
Renewable energy credits	—		(1)		—		—
Allowance for uncollectible accounts, net of COVID-19 assistance	(2)		—		(2)		1
Impacts from the sale of the Clean Energy Businesses:
State taxes on sale of subsidiary, net of federal income tax benefit	1		—		—		—
Other	(2)		—		(1)		(1)
Effective tax rate	21	%	21	%	17	%	20	%

Reconciliation of the difference between income tax expense and the amount computed by applying the prevailing statutory income tax rate to income before income taxes for the nine months ended September 30, 2023 and 2022 is as follows:

	For the Nine Months Ended September 30,
	Con Edison				CECONY
(% of Pre-tax income)	2023		2022		2023		2022
STATUTORY TAX RATE
Federal	21	%	21	%	21	%	21	%
Changes in computed taxes resulting from:
State income tax, net of federal income tax benefit	5		6		5		5
Taxes attributable to non-controlling interest	—		1		—		—
Cost of removal	1		1		2		2
Other plant-related items	—		—		(1)		(1)
Renewable energy credits	(1)		(2)		—		—
Amortization of excess deferred federal income taxes	(5)		(8)		(8)		(10)
Impacts from the sale of the Clean Energy Businesses:
Changes in state apportionments, net of federal income taxes	(1)		—		—		—
Deferred unamortized investment tax credit recognized on sale of subsidiary	(4)		—		—		—
Other	—		—		—		—
Effective tax rate	16	%	19	%	19	%	17	%