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Costs Associated with Rationalization Programs (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Restructuring and Related Activities [Abstract]        
New Charges $ 27 $ 46 $ 43 $ 57
Reversals (1) 0 (2) (2)
Rationalizations $ 26 $ 46 $ 41 $ 55