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Revenue from Contracts with Customers 1 (Details) - USD ($)
$ in Millions
 3 Months Ended
Jan. 31, 2021
Feb. 02, 2020
Disaggregation of Revenue [Line Items]    
Total net revenue $ 6,655 $ 5,858
Americas    
Disaggregation of Revenue [Line Items]    
Total net revenue 1,394 1,539
Asia Pacific    
Disaggregation of Revenue [Line Items]    
Total net revenue 4,511 3,620
Europe, the Middle East and Africa    
Disaggregation of Revenue [Line Items]    
Total net revenue 750 699
Products    
Disaggregation of Revenue [Line Items]    
Total net revenue 5,081 4,204
Products | Americas    
Disaggregation of Revenue [Line Items]    
Total net revenue 390 440
Products | Asia Pacific    
Disaggregation of Revenue [Line Items]    
Total net revenue 4,320 3,451
Products | Europe, the Middle East and Africa    
Disaggregation of Revenue [Line Items]    
Total net revenue 371 313
Subscriptions and services    
Disaggregation of Revenue [Line Items]    
Total net revenue [1] 1,574 1,654
Subscriptions and services | Americas    
Disaggregation of Revenue [Line Items]    
Total net revenue [1] 1,004 1,099
Subscriptions and services | Asia Pacific    
Disaggregation of Revenue [Line Items]    
Total net revenue [1] 191 169
Subscriptions and services | Europe, the Middle East and Africa    
Disaggregation of Revenue [Line Items]    
Total net revenue [1] $ 379 $ 386
[1] a) Subscriptions and services predominantly includes software licenses with termination for convenience clauses.