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Balance Sheet Detail - Inventories (Details) - USD ($)
$ in Millions
Jan. 30, 2022
Oct. 31, 2021
Inventories    
Customer service spares $ 1,228 $ 1,251
Raw materials 1,351 1,136
Work-in-process 974 873
Finished goods 973 1,049
Inventories 4,526 4,309
Inventory at customer locations included in finished goods 62 58
Inventory, finished goods, evaluation inventory, net of reserves $ 375 $ 380