Employee Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2012

Employee Retirement Plans [Abstract]

Net periodic pension cost for defined-benefit pension plans

	Three Months ended March 31,
	2012					2011
	Qualified			Non-Qualified		Qualified			Non-Qualified
Service cost	$	2		$	—	$	1		$	—
Interest cost		10			2		11			2
Expected return on plan assets		(8	)		—		(8	)		—
Amortization of net loss		3			—		2			—
Net periodic pension cost	$	7		$	2	$	6		$	2