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Inventories (Tables)
 3 Months Ended
Jan. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of inventories
The following table presents the components of Inventories in our Consolidated Balance Sheets:
(in millions)
January 31,
2019
 
October 31,
2018
Finished products
$
739

 
$
671

Work in process
163

 
118

Raw materials
309

 
321

Total inventories, net
$
1,211

 
$
1,110