Income Tax (Tables)

6 Months Ended

Jun. 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 June 30, 2023 and 2022 is as follows:

	For the Three Months Ended June 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	2		7		5		5
Amortization of excess deferred federal income taxes	(17)		(17)		(18)		(27)
Cost of removal	4		3		4		4
Other plant-related items	(1)		(1)		(1)		(2)
Renewable energy credits	(1)		(4)		—		—
Allowance for uncollectible accounts, net of COVID-19 assistance	—		(2)		—		(3)
Injuries and damages reserve	1		—		1		1
Reserve for uncertain tax positions	—		2		—		—
Remeasurement of deferred income taxes	4		—		4		—
Research and development credits	(1)		(3)		(1)		(4)
Other	—		—		—		(1)
Effective tax rate	12	%	6	%	15	%	(6)	%

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, 2023 and 2022 is as follows:

	For the Six Months Ended June 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	4		6		5		5
Taxes attributable to non-controlling interest	—		1		—		—
Cost of removal	1		1		2		2
Other plant-related items	—		(1)		(1)		(1)
Renewable energy credits	—		(2)		—		—
Amortization of excess deferred federal income taxes	(5)		(9)		(8)		(12)
Reserve for uncertain tax positions	—		1		—		—
Remeasurement of deferred income taxes	1		—		1		—
Research and development credits	—		(1)		(1)		(1)
Impacts from the sale of Clean Energy Businesses:
Deferred unamortized ITC recognized on sale of subsidiary	(6)		—		—		—
Gain on sale of subsidiary	(2)		—		—		—
Effective tax rate	14	%	17	%	19	%	14	%