Severance, Exit Costs and Asset Impairments(Tables)

12 Months Ended

Dec. 31, 2011

Severance And Exit Costs [Abstract]

Schedule of Severance and Exit Costs

			2011 Activity
	December 31, 2010		Net Expense (Benefit)			Cash Payments and Other			December 31, 2011
	(in millions)
Exit costs	$	87	$	—		$	(29	)	$	58
Severance costs	7		28			(14		)	21
	$	94	$	28		$	(43	)	$	79
			2010 Activity
	December 31, 2009		Net Expense			Cash Payments and Other			December 31, 2010
	(in millions)
Exit costs	$	89	$	25		$	(27	)	$	87
Severance costs	110		(17		)	(86		)	7
	$	199	$	8		$	(113	)	$	94
			2009 Activity
	December 31, 2008		Net Expense			Cash Payments and Other			December 31, 2009
	(in millions)
Exit costs	$	113	$	38		$	(62	)	$	89
Severance costs	90		362			(342		)	110
	$	203	$	400		$	(404	)	$	199