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Inventories
 12 Months Ended
Oct. 31, 2019
Inventory Disclosure [Abstract]  
Inventories Inventories
The following table presents the components of Inventories in our Consolidated Balance Sheets:
 
As of October 31,
(in millions)
2019
 
2018
Finished products
$
640

 
$
671

Work in process
21

 
118

Raw materials
250

 
321

Total inventories, net
$
911

 
$
1,110