Employee Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2011

Employee Retirement Plans

Defined Benefit Pension And Postretirement Health Care And Life Insurance Plans

	Pension benefits								Postretirement benefits
	Three months ended September 30,				Nine months ended September 30,				Three months ended September 30,				Nine months ended September 30,
	2011		2010		2011		2010		2011		2010		2011		2010
Service cost	$	13	$	11	$	40	$	34	$	3	$	2	$	11	$	9
Interest cost		39		39		116		116		12		13		36		38
Expected return on plan assets		(41)		(42)		(122)		(126)
Amortization of net loss		20		12		57		37		4		3		13		12
Amortization of prior service cost		2		2		6		7		(1)		(1)		(4)		(5)
Total pension and postretirement benefit expense	$	33	$	22	$	97	$	68	$	18	$	17	$	56	$	54