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Inventories (Tables)
 3 Months Ended
Jan. 31, 2017
Inventory Disclosure [Abstract]  
Schedule of inventories
he following table presents the components of Inventories in our Consolidated Balance Sheets:
(in millions)
January 31,
2017
 
October 31,
2016
Finished products
$
628

 
$
678

Work in process
111

 
46

Raw materials
283

 
220

Total inventories, net
$
1,022

 
$
944