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Inventories (Tables)
 3 Months Ended
Jan. 31, 2016
Inventory Disclosure [Abstract]  
Schedule of inventories
he following table presents the components of Inventories:
(in millions)
January 31,
2016
 
October 31,
2015
Finished products
$
891

 
$
837

Work in process
69

 
34

Raw materials
309

 
264

Total inventories, net
$
1,269

 
$
1,135