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Goodwill And Other Intangible Assets (Tables)
6 Months Ended
Mar. 31, 2012
Goodwill And Other Intangible Assets [Abstract]  
Schedule Of Goodwill Balances

Reporting Unit

   (Dollars in millions)  

Rubber Blacks

   $ 27  

Fumed Metal Oxides

     11  

Security Materials

     2  
  

 

 

 

Total goodwill

   $ 40