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Balance Sheet Detail - Inventories (Details) - USD ($)
$ in Millions
May 02, 2021
Oct. 25, 2020
Inventories    
Customer service spares $ 1,279 $ 1,270
Raw materials 908 870
Work-in-process 737 624
Finished goods 1,129 1,140
Inventories 4,053 3,904
Inventory at customer locations included in finished goods 17 16
Inventory, finished goods, evaluation inventory, net of reserves $ 416 $ 416