Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2015

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, 2015 and 2014 were as follows:

	For the Three Months Ended September 30,
	Con Edison		CECONY
(Millions of Dollars)	2015	2014	2015	2014
Service cost	$5	$5	$4	$4
Interest cost on accumulated other postretirement benefit obligation	13	15	11	13
Expected return on plan assets	(20)	(19)	(17)	(17)
Recognition of net actuarial loss	8	14	7	13
Recognition of prior service cost	(5)	(5)	(4)	(4)
TOTAL PERIODIC OTHER POSTRETIREMENT BENEFIT COST	$1	$10	$1	$9
Cost capitalized	(1)	(4)	(1)	(4)
Reconciliation to rate level	4	3	2	1
Cost charged to operating expenses	$4	$9	$2	$6

	For the Nine Months Ended September 30,
	Con Edison		CECONY
(Millions of Dollars)	2015	2014	2015	2014
Service cost	$15	$14	$11	$11
Interest cost on accumulated other postretirement benefit obligation	38	45	32	39
Expected return on plan assets	(59)	(58)	(51)	(51)
Recognition of net actuarial loss	24	43	21	38
Recognition of prior service cost	(15)	(14)	(10)	(11)
TOTAL PERIODIC OTHER POSTRETIREMENT BENEFIT COST	$3	$30	$3	$26
Cost capitalized	(2)	(11)	(2)	(10)
Reconciliation to rate level	12	8	5	2
Cost charged to operating expenses	$13	$27	$6	$18