Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2016

Other Postretirement Benefits

Defined Benefit Plan Disclosure [Line Items]

Total Periodic Benefit Costs

The components of the Companies’ total periodic other postretirement benefit costs for the three and nine months ended September 30, 2016 and 2015 were as follows:

	For the Three Months Ended September 30,
	Con Edison		CECONY
(Millions of Dollars)	2016	2015	2016	2015
Service cost	$4	$5	$3	$4
Interest cost on accumulated other postretirement benefit obligation	12	13	10	11
Expected return on plan assets	(19)	(20)	(17)	(17)
Recognition of net actuarial loss	1	8	1	7
Recognition of prior service cost	(5)	(5)	(3)	(4)
TOTAL PERIODIC OTHER POSTRETIREMENT BENEFIT COST	$(7)	$1	$(6)	$1
Cost capitalized	2	(1)	2	(1)
Reconciliation to rate level	7	4	6	2
Cost charged to operating expenses	$2	$4	$2	$2

	For the Nine Months Ended September 30,
	Con Edison		CECONY
(Millions of Dollars)	2016	2015	2016	2015
Service cost	$13	$15	$10	$11
Interest cost on accumulated other postretirement benefit obligation	36	38	30	32
Expected return on plan assets	(58)	(59)	(50)	(51)
Recognition of net actuarial loss	4	24	2	21
Recognition of prior service cost	(15)	(15)	(11)	(10)
TOTAL PERIODIC OTHER POSTRETIREMENT BENEFIT COST	$(20)	$3	$(19)	$3
Cost capitalized	5	(2)	5	(2)
Reconciliation to rate level	20	12	19	5
Cost charged to operating expenses	$5	$13	$5	$6