Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

The following table shows the components of net periodic cost:

	Pension Benefits						Other Postretirement and Postemployment Benefits
(in millions)	2012			2011			2012			2011
Three Months Ended September 30
Service cost	$	—		$	—		$	14		$	13
Interest cost	232			242			41			45
Expected return on plan assets	(176		)	(181		)	(19		)	(22		)
Amortization of prior service benefit	—			—			(7		)	(1		)
Recognized net actuarial loss (gain)	36			14			6			(3		)
Special termination benefits	—			—			6			—
Net periodic cost	$	92		$	75		$	41		$	32
Nine Months Ended September 30
Service cost	$	—		$	—		$	43		$	39
Interest cost	696			726			123			135
Expected return on plan assets	(528		)	(543		)	(57		)	(67		)
Amortization of prior service benefit	—			—			(16		)	(2		)
Recognized net actuarial loss (gain)	108			42			18			(9		)
Special termination benefits	—			—			110			—
Net periodic cost	$	276		$	225		$	221		$	96