Other Postretirement Benefits (Tables) (Other Postretirement Benefits [Member])

3 Months Ended

Mar. 31, 2014

Other Postretirement Benefits [Member]

Net Periodic Postretirement Benefit Costs

The components of the Companies’ net periodic postretirement benefit costs for the three months ended March 31, 2014 and 2013 were as follows:

	Con Edison						CECONY
(Millions of Dollars)	2014			2013			2014			2013
Service cost	$	5		$	6		$	4		$	5
Interest cost on accumulated other postretirement benefit obligation		15			14			13			12
Expected return on plan assets		(19	)		(19	)		(17	)		(17	)
Recognition of net actuarial loss		14			16			13			14
Recognition of prior service cost		(5	)		(7	)		(4	)		(6	)
NET PERIODIC POSTRETIREMENT BENEFIT COST	$	10		$	10		$	9		$	8
Cost capitalized		(4	)		(3	)		(3	)		(2	)
Reconciliation to rate level		3			12			—			11
Cost charged to operating expenses	$	9		$	19		$	6		$	17