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Goodwill and Intangible Assets (Intangible Assets) (Details) - USD ($)
$ in Millions
Aug. 01, 2021
Nov. 01, 2020
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross $ 36,148 $ 36,136
Accumulated amortization (23,448) (19,379)
Finite-lived intangible assets, net book value 12,700 16,757
Intangible assets, gross 36,167 36,161
Intangible assets, net book value 12,719 16,782
In-process research and development    
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]    
In-process research and development 19 25
Purchased technology    
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross 24,132 24,119
Accumulated amortization (16,498) (13,925)
Finite-lived intangible assets, net book value 7,634 10,194
Customer contracts and related relationships    
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross 8,392 8,389
Accumulated amortization (4,218) (3,179)
Finite-lived intangible assets, net book value 4,174 5,210
Order backlog    
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross 2,579 2,579
Accumulated amortization (2,223) (1,836)
Finite-lived intangible assets, net book value 356 743
Trade names    
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross 797 797
Accumulated amortization (378) (322)
Finite-lived intangible assets, net book value 419 475
Other    
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross 248 252
Accumulated amortization (131) (117)
Finite-lived intangible assets, net book value $ 117 $ 135