Employee Benefits

3 Months Ended

Mar. 31, 2012

Employee Benefits

Employee Benefits

(6) Employee Benefits

        Net periodic pension benefit (income) expense included the following components:

	Pension Plan
	Successor			Predecessor
	Three Months Ended March 31, 2012			Three Months Ended March 31, 2011
	(Dollars in millions)
Service cost	$	15			14
Interest cost		97			104
Expected return on plan assets		(144	)		(133	)
Recognized prior service cost		—			(6	)
Recognized net actuarial loss		—			31
Net periodic pension benefit (income) expense	$	(32	)		10

        Net periodic post-retirement benefit expense included the following components:

	Post-Retirement Benefit Plan
	Successor			Predecessor
	Three Months Ended March 31, 2012			Three Months Ended March 31, 2011
	(Dollars in millions)
Service cost	$	2			2
Interest cost		37			41
Expected return on plan assets		(10	)		(13	)
Recognized prior service cost		—			(24	)
Recognized net actuarial loss		—			10
Net periodic post-retirement benefit expense	$	29			16

        We report net periodic pension benefit (income) expense and net periodic post-retirement benefit expense in cost of services and products and selling, general and administrative expenses on our consolidated statements of operations.