Benefit Plans

6 Months Ended

Jun. 30, 2011

Compensation and Retirement Disclosure [Abstract]

Pension and Other Postretirement Benefits Disclosure [Text Block]

Benefit Plans

The components of net periodic cost (benefit) are presented in the following table.

Net Periodic Cost (Benefit)

Periods ended June 30	Three Months						Six Months
(In millions)	2011			2010			2011			2010
Pension cost
Service cost	$	3		$	4		$	7		$	8
Interest cost on projected benefit obligation	36			36			73			74
Expected return on plan assets	(43		)	(40		)	(86		)	(81		)
Amortization of net actuarial loss	6			6			12			12
Net periodic pension cost	$	2		$	6		$	6		$	13
Postretirement benefit
Service cost	$	—		$	—		$	—		$	1
Interest cost on projected benefit obligation	1			2			2			4
Amortization of prior service credit	(4		)	(4		)	(9		)	(8		)
Amortization of net actuarial (gain) loss	(1		)	1			—			1
Net periodic postretirement benefit	$	(4	)	$	(1	)	$	(7	)	$	(2	)