Pension And Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2011

Pension And Other Postretirement Benefits

Components Of Net Periodic Benefit Cost

The following Pepco Holdings information is for the three months ended September 30, 2011 and 2010:

	Pension Benefits						Other  Postretirement Benefits
	2011			2010			2011			2010
	(millions of dollars)
Service cost	$	10		$	8		$	1		$	1
Interest cost		27			28			10			10
Expected return on plan assets		(32	)		(30	)		(5	)		(4	)
Amortization of prior service cost		—			—			(1	)		(1	)
Amortization of net actuarial loss		11			11			3			3
Net periodic benefit cost	$	16		$	17		$	8		$	9

The following Pepco Holdings information is for the nine months ended September 30, 2011 and 2010:

	Pension Benefits						Other  Postretirement Benefits
	2011			2010			2011			2010
	(millions of dollars)
Service cost	$	27		$	26		$	4		$	4
Interest cost		80			83			28			29
Expected return on plan assets		(96	)		(88	)		(14	)		(12	)
Amortization of prior service cost		(1	)		—			(3	)		(3	)
Amortization of net actuarial loss		35			32			9			9
Plan amendment		—			1			—			—
Termination benefits		—			—			1			5
Net periodic benefit cost	$	45		$	54		$	25		$	32