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Inventories
9 Months Ended
Jul. 31, 2012
Inventory Disclosure [Abstract]  
Inventories
Inventories
The components of inventories are as follows:
 
As of
(in millions)
July 31,
2012
 
October 31,
2011
Finished products
$
958

 
$
873

Work in process
203

 
174

Raw materials
716

 
667

Total inventories
$
1,877

 
$
1,714