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Goodwill and Intangible Assets (Tables)
9 Months Ended
Jul. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Intangible Assets by Major Class
Gross Carrying
Amount
Accumulated
Amortization
Net Book
Value
(In millions)
As of July 31, 2022:   
Purchased technology$21,792 $(17,065)$4,727 
Customer contracts and related relationships8,347 (5,510)2,837 
Order backlog1,288 (1,152)136 
Trade names700 (353)347 
Other183 (85)98 
Intangible assets subject to amortization32,310 (24,165)8,145 
In-process research and development29 — 29 
Total$32,339 $(24,165)$8,174 
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 
Finite-lived Intangible Assets Remaining Amortization Expense Based on the amount of intangible assets subject to amortization as of July 31, 2022, the expected amortization expense was as follows:
Fiscal Year:Expected Amortization Expense
(In millions)
2022 (remainder)$1,067 
20233,254 
20242,387 
2025680 
2026343 
Thereafter414 
Total$8,145 
Finite-lived Intangible Assets Remaining Weighted Average Amortization Period The weighted-average remaining amortization periods by intangible asset category were as follows:
Amortizable intangible assets:July 31,
2022
(In years)
Purchased technology4
Customer contracts and related relationships2
Order backlog1
Trade names8
Other9