Pension Benefits (Tables)

9 Months Ended

Sep. 30, 2025

Retirement Benefits [Abstract]

Schedule of Total Periodic Benefit Costs

The components of the Companies’ total periodic benefit credit for the three and nine months ended September 30, 2025 and 2024 were as follows:

	For the Three Months Ended September 30,
	Con Edison		CECONY
(Millions of Dollars)	2025	2024	2025	2024
Service cost – including administrative expenses	$41	$44	$39	$42
Interest cost on projected benefit obligation	169	160	159	151
Expected return on plan assets	(279)	(282)	(266)	(269)
Recognition of net actuarial gain	(66)	(1)	(63)	(2)
Recognition of prior service credit	(4)	(4)	(5)	(5)
TOTAL PERIODIC BENEFIT CREDIT	$(139)	$(83)	$(136)	$(83)
Cost capitalized	(25)	(22)	(24)	(21)
Reconciliation to rate level	(12)	12	(12)	10
Total credit recognized	$(176)	$(93)	$(172)	$(94)

	For the Nine Months Ended September 30,
	Con Edison		CECONY
(Millions of Dollars)	2025	2024	2025	2024
Service cost – including administrative expenses	$125	$133	$118	$126
Interest cost on projected benefit obligation	507	481	477	453
Expected return on plan assets	(837)	(846)	(799)	(807)
Recognition of net actuarial gain	(199)	(4)	(189)	(5)
Recognition of prior service credit	(13)	(13)	(15)	(15)
TOTAL PERIODIC BENEFIT CREDIT	$(417)	$(249)	$(408)	$(248)
Cost capitalized	(70)	(68)	(67)	(65)
Reconciliation to rate level	(41)	39	(42)	31
Total credit recognized	$(528)	$(278)	$(517)	$(282)

The components of the Companies’ total periodic other postretirement benefit credit for the three and nine months ended September 30, 2025 and 2024 were as follows:

	For the Three Months Ended September 30,
	Con Edison		CECONY
(Millions of Dollars)	2025	2024	2025	2024
Service cost - including administrative expenses	$3	$3	$2	$3
Interest cost on projected other postretirement benefit obligation	12	12	10	10
Expected return on plan assets	(17)	(17)	(13)	(14)
Recognition of net actuarial gain	(7)	(5)	(4)	(4)
TOTAL PERIODIC OTHER POSTRETIREMENT CREDIT	$(9)	$(7)	$(5)	$(5)
Cost capitalized	(1)	(2)	(1)	(1)
Reconciliation to rate level	3	4	2	3
Total credit recognized	$(7)	$(5)	$(4)	$(3)

	For the Nine Months Ended September 30,
	Con Edison		CECONY
(Millions of Dollars)	2025	2024	2025	2024
Service cost - including administrative expenses	$8	$9	$7	$8
Interest cost on projected other postretirement benefit obligation	36	35	31	30
Expected return on plan assets	(50)	(51)	(40)	(41)
Recognition of net actuarial gain	(20)	(14)	(13)	(11)
Recognition of prior service credit	(1)	(1)	—	—
TOTAL PERIODIC OTHER POSTRETIREMENT CREDIT	$(27)	$(22)	$(15)	$(14)
Cost capitalized	(4)	(4)	(3)	(4)
Reconciliation to rate level	9	12	6	10
Total credit recognized	$(22)	$(14)	$(12)	$(8)