Employee Benefit Plans (Tables)

6 Months Ended

Jun. 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 June 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	—			—			(6		)	(1		)
Recognized net actuarial loss (gain)	36			14			6			(3		)
Special termination benefits	—			—			104			—
Net periodic cost	$	92		$	75		$	140		$	32
Six Months Ended June 30
Service cost	$	—		$	—		$	29		$	26
Interest cost	464			484			82			90
Expected return on plan assets	(352		)	(362		)	(38		)	(45		)
Amortization of prior service benefit	—			—			(9		)	(1		)
Recognized net actuarial loss (gain)	72			28			12			(6		)
Special termination benefits	—			—			104			—
Net periodic cost	$	184		$	150		$	180		$	64