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Company Operations By Business Unit (Net Sales For The Company's Business Units) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Segment Reporting Information [Line Items]    
Net sales $ 675 $ 665
Research Business Unit [Member]
   
Segment Reporting Information [Line Items]    
Net sales 361 372
Applied Business Unit [Member]
   
Segment Reporting Information [Line Items]    
Net sales 159 153
SAFC Commercial Business Unit [Member]
   
Segment Reporting Information [Line Items]    
Net sales $ 155 $ 140