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Inventories (Tables)
 6 Months Ended
Apr. 30, 2016
Inventory Disclosure [Abstract]  
Schedule of inventories
he following table presents the components of Inventories:
(in millions)
April 30,
2016
 
October 31,
2015
Finished products
$
859

 
$
837

Work in process
49

 
34

Raw materials
312

 
264

Total inventories, net
$
1,220

 
$
1,135