Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2012

Net Periodic Postretirement Benefit Costs

The components of the Companies’ net periodic postretirement benefit costs for the three and nine months ended September 30, 2012 and 2011 were as follows:

	For the Three Months Ended September 30,
	Con Edison						CECONY
(Millions of Dollars)	2012			2011			2012			2011
Service cost		$   6			$   7			$   5			$   5
Interest cost on accumulated other postretirement benefit obligation		18			20			16			18
Expected return on plan assets		(21	)		(22	)		(19	)		(21	)
Amortization of net actuarial loss		24			22			22			20
Amortization of prior service cost		(5	)		(3	)		(4	)		(3	)
Amortization of transition obligation		—			1			—			1
NET PERIODIC POSTRETIREMENT BENEFIT COST		$ 22			$ 25			$ 20			$ 20
Cost capitalized		(8	)		(9	)		(7	)		(7	)
Reconciliation to rate level		3			3			3			3
Cost charged to operating expenses		$ 17			$ 19			$ 16			$ 16

	For the Nine Months Ended September 30,
	Con Edison						CECONY
(Millions of Dollars)	2012			2011			2012			2011
Service cost		$ 20			$ 19			$ 15			$ 15
Interest cost on accumulated other postretirement benefit obligation		55			62			48			54
Expected return on plan assets		(64	)		(66	)		(56	)		(59	)
Amortization of net actuarial loss		73			66			65			60
Amortization of prior service cost		(16	)		(7	)		(13	)		(9	)
Amortization of transition obligation		1			3			1			3
NET PERIODIC POSTRETIREMENT BENEFIT COST		$ 69			$ 77			$ 60			$ 64
Cost capitalized		(24	)		(27	)		(20	)		(22	)
Reconciliation to rate level		15			12			12			10
Cost charged to operating expenses		$ 60			$ 62			$ 52			$ 52