Income Tax (Tables)

6 Months Ended

Jun. 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 June 30, 2024 and 2023 is as follows:

	For the Three Months Ended June 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	1		2		4		5
Amortization of excess deferred federal income taxes	(27)		(17)		(27)		(18)
Cost of removal	4		4		4		4
Other plant-related items	(4)		(1)		(2)		(1)
Renewable energy credits	—		(1)		—		—
Injuries and damages reserve	—		1		—		1
Remeasurement of deferred NYS income taxes, net of federal income taxes	—		4		—		4
Research and development credits	—		(1)		(1)		(1)
Other	—		—		1		—
Effective tax rate	(5	%)	12	%	—		15	%

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 six months ended June 30, 2024 and 2023 is as follows:

	For the Six Months Ended June 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		4		5		5
Cost of removal	—		1		2		2
Other plant-related items	(1)		—		(1)		(1)
Amortization of excess deferred federal income taxes	(9)		(5)		(9)		(8)
Remeasurement of deferred NYS income taxes, net of federal income taxes	—		1		—		1
Research and development credits	—		—		(1)		(1)
Deferred unamortized ITC recognized on sale of subsidiary	—		(6)		—		—
Gain on sale of subsidiary	—		(2)		—		—
Effective tax rate	16	%	14	%	17	%	19	%