Employee Benefit Plans

9 Months Ended

Sep. 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						Nine-Month Periods
	Ended September 30,						Ended September 30,
	2012			2011			2012			2011
Pension:
Service cost	$	2		$	2		$	6		$	7
Interest cost	15			16			45			48
Expected return on plan assets	(19		)	(19		)	(56		)	(56		)
Net amortization	9			6			26			15
Net periodic benefit cost	$	7		$	5		$	21		$	14
Other postretirement:
Service cost	$	2		$	2		$	5		$	5
Interest cost	7			7			21			23
Expected return on plan assets	(7		)	(8		)	(22		)	(23		)
Net amortization	1			5			3			14
Net periodic benefit cost	$	3		$	6		$	7		$	19

Employer contributions to the pension and other postretirement benefit plans are expected to be $49 million and $9 million, respectively, during 2012. As of September 30, 2012, $48 million and $4 million of contributions had been made to the pension and other postretirement benefit plans, respectively.