Employee Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2012

Employee Retirement Plans [Abstract]

Net periodic pension cost for defined-benefit pension plans

	Three Months Ended June 30,
	2012					2011
	Qualified			Non-Qualified		Qualified			Non-Qualified
Service cost	$	1		$	—	$	—		$	—
Interest cost		10			1		11			2
Expected return on plan assets		(9	)		—		(8	)		—
Amortization of net loss		4			1		3			—
Net periodic pension cost	$	6		$	2		6			2

	Six Months Ended June 30,
	2012					2011
	Qualified			Non-Qualified		Qualified			Non-Qualified
Service cost	$	3		$	—	$	1		$	—
Interest cost		20			3		22			4
Expected return on plan assets		(17	)		—		(16	)		—
Amortization of net loss		7			1		5			—
Net periodic pension cost	$	13		$	4	$	12		$	4