Pension And Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2012

Components Of Net Periodic Benefit Cost

The following Pepco Holdings information is for the three months ended September 30, 2012 and 2011:

	Pension Benefits						Other Postretirement Benefits
	2012			2011			2012			2011
	(millions of dollars)
Service cost	$	8		$	10		$	2		$	1
Interest cost		27			27			9			10
Expected return on plan assets		(33	)		(32	)		(5	)		(5	)
Amortization of prior service cost (benefit)		1			—			(1	)		(1	)
Amortization of net actuarial loss		16			11			4			3
Net periodic benefit cost	$	19		$	16		$	9		$	8

The following Pepco Holdings information is for the nine months ended September 30, 2012 and 2011:

	Pension Benefits						Other Postretirement Benefits
	2012			2011			2012			2011
	(millions of dollars)
Service cost	$	26		$	27		$	6		$	4
Interest cost		80			80			26			28
Expected return on plan assets		(99	)		(96	)		(14	)		(14	)
Amortization of prior service cost (benefit)		2			(1	)		(3	)		(3	)
Amortization of net actuarial loss		48			35			11			9
Termination benefits		—			—			1			1
Net periodic benefit cost	$	57		$	45		$	27		$	25