Employee Benefit Plans

6 Months Ended

Jun. 30, 2012

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Pension and Other Postretirement Benefits Disclosure [Text Block]

(7) Employee Benefit Plans

Net periodic benefit cost for the pension and other postretirement benefit plans included the following components (in millions):

	Three-Month Periods						Six-Month Periods
	Ended June 30,						Ended June 30,
	2012			2011			2012			2011
Pension:
Service cost	$	2		$	3		$	4		$	5
Interest cost	15			16			30			32
Expected return on plan assets	(18		)	(19		)	(37		)	(37		)
Net amortization	8			4			17			9
Net periodic benefit cost	$	7		$	4		$	14		$	9
Other postretirement:
Service cost	$	1		$	2		$	3		$	3
Interest cost	7			8			14			16
Expected return on plan assets	(7		)	(8		)	(15		)	(15		)
Net amortization	1			5			2			9
Net periodic benefit cost	$	2		$	7		$	4		$	13

Employer contributions to the pension and other postretirement benefit plans are expected to be $49 million and $9 million, respectively, during 2012. As of June 30, 2012, $36 million and $4 million of contributions had been made to the pension and other postretirement benefit plans, respectively.