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Restructuring and Other Items (Details 1) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Employee Severance [Member]
 
Restructuring Cost and Reserve [Line Items]  
Restructuring Reserve $ 46
Restructuring Charges 126
Restructuring Reserve, Settled with Cash (40)
Restructuring Reserve 132
Facility Closing [Member]
 
Restructuring Cost and Reserve [Line Items]  
Restructuring Reserve 64
Restructuring Charges 44
Restructuring Reserve, Settled with Cash (11)
Restructuring Reserve $ 97