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Inventories
9 Months Ended
Jul. 31, 2011
Inventory Disclosure [Abstract]  
Inventories
Inventories


 
 
As of
 
 
July 31,

2011
 
October 31,

2010
(in millions)
 
 
 
 
Finished products
 
$
896


 
$
893


Work in process
 
187


 
202


Raw materials
 
648


 
473


Total inventories
 
$
1,731


 
$
1,568