XML 65 R54.htm IDEA: XBRL DOCUMENT v3.19.2
INVENTORY (Details) - USD ($)
$ in Millions
Jul. 31, 2019
Nov. 01, 2018
Oct. 31, 2018
Inventory, Net [Abstract]      
Finished goods $ 409   $ 386
Purchased parts and fabricated assemblies 251   252
Inventory $ 660 $ 628 $ 638