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

9 Months Ended

Sep. 30, 2013

Other Postretirement Benefits [Member]

Net Periodic Postretirement Benefit Costs

The components of the Companies’ net periodic postretirement benefit costs for the three and nine months ended September 30, 2013 and 2012 were as follows:

	For the Three Months Ended September 30,
	Con Edison						CECONY
(Millions of Dollars)	2013			2012			2013			2012
Service cost		$   6			$   6			$   5			$   5
Interest cost on accumulated other postretirement benefit obligation		13			18			12			16
Expected return on plan assets		(19	)		(21	)		(17	)		(19	)
Recognition of net actuarial loss		16			24			14			22
Recognition of prior service cost		(7	)		(5	)		(6	)		(4	)
NET PERIODIC POSTRETIREMENT BENEFIT COST		$   9			$ 22			$   8			$ 20
Cost capitalized		(3	)		(8	)		(3	)		(7	)
Reconciliation to rate level		14			3			12			3
Cost charged to operating expenses		$ 20			$ 17			$ 17			$ 16

	For the Nine Months Ended September 30,
	Con Edison						CECONY
(Millions of Dollars)	2013			2012			2013			2012
Service cost		$ 18			$  20			$ 14			$ 15
Interest cost on accumulated other postretirement benefit obligation		40			55			34			48
Expected return on plan assets		(58	)		(64	)		(51	)		(56	)
Recognition of net actuarial loss		48			73			43			65
Recognition of prior service cost		(20	)		(16	)		(17	)		(13	)
Recognition of transition obligation		—			1			—			1
NET PERIODIC POSTRETIREMENT BENEFIT COST		$ 28			$  69			$ 23			$ 60
Cost capitalized		(10	)		(24	)		(9	)		(20	)
Reconciliation to rate level		43			15			37			12
Cost charged to operating expenses		$ 61			$  60			$ 51			$ 52