Intangible Assets
 3 Months Ended
Jan. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Intangible Assets
Gross Carrying
Amount		Accumulated
Amortization		Net Book
Value
(In millions)
As of January 30, 2022:   
Purchased technology$23,597 $(17,542)$6,055 
Customer contracts and related relationships8,335 (4,857)3,478 
Order backlog1,279 (1,085)194 
Trade names698 (316)382 
Other183 (75)108 
Intangible assets subject to amortization34,092 (23,875)10,217 
In-process research and development27 — 27 
Total$34,119 $(23,875)$10,244 
As of October 31, 2021:   
Purchased technology$23,932 $(17,148)$6,784 
Customer contracts and related relationships8,356 (4,533)3,823 
Order backlog2,579 (2,352)227 
Trade names787 (386)401 
Other239 (127)112 
Intangible assets subject to amortization35,893 (24,546)11,347 
In-process research and development27 — 27 
Total$35,920 $(24,546)$11,374 
Based on the amount of intangible assets subject to amortization at January 30, 2022, the expected amortization expense for each of the next five years and thereafter was as follows:
Fiscal Year:Expected Amortization Expense
(In millions)
2022 (remainder)$3,235 
20233,237 
20242,367 
2025659 
2026323 
Thereafter396 
Total$10,217 
The weighted-average remaining amortization periods by intangible asset category were as follows:
Amortizable intangible assets:January 30,
2022
(In years)
Purchased technology4
Customer contracts and related relationships3
Order backlog1
Trade names8
Other9