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INVENTORIES (Tables)
12 Months Ended
Sep. 30, 2015
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventories are stated at the lower of cost (using FIFO or average methods) or market (determined on the basis of estimated realizable values) and are summarized as follows (in millions):
 
 
September 30,
 
2015
 
2014
Finished goods
$
133

 
$
146

Work in process
28

 
36

Raw materials, parts and supplies
177

 
197

Total
$
338

 
$
379