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Restructuring and Other Items (Details 1) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Employee Severance [Member]
 
Restructuring Cost and Reserve [Line Items]  
Restructuring Charges $ 67
Restructuring Reserve 46
Restructuring Reserve, Settled with Cash (28)
Restructuring Reserve 85
Facility Closing [Member]
 
Restructuring Cost and Reserve [Line Items]  
Restructuring Charges 3
Restructuring Reserve 64
Restructuring Reserve, Settled with Cash (6)
Restructuring Reserve $ 61