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Inventories (Tables)
12 Months Ended
Sep. 30, 2011
Inventories [Abstract] 
Inventories
                 
    September 30,  
    2011     2010  
Raw materials and supplies
  $ 1,136     $ 899  
Work-in-process
    434       278  
Finished goods
    867       743  
 
           
FIFO inventories
    2,437       1,920  
LIFO reserve
    (121 )     (134 )
 
           
Inventories
  $ 2,316     $ 1,786