Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2021

Retirement Benefits [Abstract]

Total Periodic Benefit Costs

The components of the Companies’ total periodic benefit cost for the three and nine months ended September 30, 2021 and 2020 were as follows:

	For the Three Months Ended September 30,
	Con Edison		CECONY
(Millions of Dollars)	2021	2020	2021	2020
Service cost – including administrative expenses	$85	$73	$80	$69
Interest cost on projected benefit obligation	118	137	111	129
Expected return on plan assets	(274)	(258)	(260)	(245)
Recognition of net actuarial loss	197	175	187	165
Recognition of prior service credit	(4)	(4)	(5)	(5)
TOTAL PERIODIC BENEFIT COST	$122	$123	$113	$113
Cost capitalized	(41)	(34)	(39)	(32)
Reconciliation to rate level	(54)	(62)	(52)	(59)
Total expense recognized	$27	$27	$22	$22

	For the Nine Months Ended September 30,
	Con Edison		CECONY
(Millions of Dollars)	2021	2020	2021	2020
Service cost – including administrative expenses	$257	$220	$241	$206
Interest cost on projected benefit obligation	353	412	332	387
Expected return on plan assets	(822)	(775)	(779)	(735)
Recognition of net actuarial loss	590	524	559	496
Recognition of prior service credit	(12)	(12)	(15)	(15)
TOTAL PERIODIC BENEFIT COST	$366	$369	$338	$339
Cost capitalized	(120)	(98)	(113)	(93)
Reconciliation to rate level	(165)	(188)	(158)	(179)
Total expense recognized	$81	$83	$67	$67

The components of the Companies’ total periodic other postretirement benefit cost/(credit) for the three and nine months ended September 30, 2021 and 2020 were as follows:

	For the Three Months Ended September 30,
	Con Edison		CECONY
(Millions of Dollars)	2021	2020	2021	2020
Service cost - including administrative expenses	$2	$5	$1	$4
Interest cost on projected other postretirement benefit obligation	7	9	6	8
Expected return on plan assets	(17)	(16)	(14)	(14)
Recognition of net actuarial loss	4	3	3	3
Recognition of prior service credit	—	(1)	—	—
TOTAL PERIODIC OTHER POSTRETIREMENT BENEFIT COST	$(4)	$—	$(4)	$1
Cost capitalized	(3)	(2)	(3)	(2)
Reconciliation to rate level	7	2	6	—
Total credit recognized	$—	$—	$(1)	$(1)

	For the Nine Months Ended September 30,
	Con Edison		CECONY
(Millions of Dollars)	2021	2020	2021	2020
Service cost - including administrative expenses	$15	$16	$11	$12
Interest cost on projected other postretirement benefit obligation	23	28	19	23
Expected return on plan assets	(51)	(49)	(41)	(41)
Recognition of net actuarial loss	17	34	13	32
Recognition of prior service credit	(2)	(3)	(1)	(1)
TOTAL PERIODIC OTHER POSTRETIREMENT BENEFIT COST	$2	$26	$1	$25
Cost capitalized	(9)	(7)	(7)	(5)
Reconciliation to rate level	7	(19)	2	(24)
Total credit recognized	$—	$—	$(4)	$(4)