Income Tax (Tables)

9 Months Ended

Sep. 30, 2024

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, 2024 and 2023 is as follows:

	For the Three Months Ended September 30,
	Con Edison				CECONY
(% of Pre-tax income)	2024		2023		2024		2023
STATUTORY TAX RATE
Federal	21	%	21	%	21	%	21	%
Changes in computed taxes resulting from:
State income tax, net of federal income taxes	5		8		5		5
Amortization of excess deferred federal income taxes	(7)		(6)		(7)		(7)
Cost of removal	1		1		1		1
Allowance for uncollectible accounts, net of COVID-19 assistance	(1)		(2)		(1)		(2)
Changes in state apportionments, net of federal income taxes	—		1		—		—
Other	—		(2)		(1)		(1)
Effective tax rate	19	%	21	%	18	%	17	%

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, 2024 and 2023 is as follows:

	For the Nine Months Ended September 30,
	Con Edison				CECONY
(% of Pre-tax income)	2024		2023		2024		2023
STATUTORY TAX RATE
Federal	21	%	21	%	21	%	21	%
Changes in computed taxes resulting from:
State income tax, net of federal income taxes	5		5		5		5
Cost of removal	2		1		2		2
Other plant-related items	(1)		—		—		(1)
Renewable energy credits	(1)		(1)		—		—
Amortization of excess deferred federal income taxes	(8)		(5)		(9)		(8)
Other	(1)		—		(1)		—
Impacts from the sale of the Clean Energy Businesses:
Changes in state apportionments, net of federal income taxes	—		(1)		—		—
Deferred unamortized ITC recognized on sale of subsidiary	—		(4)		—		—
Effective tax rate	17	%	16	%	18	%	19	%