v3.25.2
Goodwill - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2025
USD ($)
Jul. 31, 2025
USD ($)
reportingUnit
Oct. 31, 2024
USD ($)
Sep. 30, 2024
Goodwill        
Impairment $ 1,400      
Hypothetical decrease to fair value (as a percent) 0.10 0.10    
Goodwill $ 23,767 $ 23,767 $ 18,086  
Minimum        
Goodwill        
Hypothetical decrease to fair value (as a percent) 0 0    
Maximum        
Goodwill        
Hypothetical decrease to fair value (as a percent) 1.12 1.12    
Hybrid Cloud        
Goodwill        
Percentage of fair value in excess of carrying amount       0.00%
Server Reporting Unit        
Goodwill        
Percentage of fair value in excess of carrying amount 3.00% 3.00%    
Networking        
Goodwill        
Number of Reporting Units | reportingUnit   2    
Goodwill $ 9,951 $ 9,951 2,909  
Hybrid Cloud        
Goodwill        
Goodwill 3,478 3,478 4,839  
Hybrid Cloud | Hybrid Cloud Reporting Unit        
Goodwill        
Goodwill 3,500 3,500    
Server        
Goodwill        
Goodwill 10,194 10,194 $ 10,194  
Server | Server Reporting Unit        
Goodwill        
Goodwill $ 10,200 $ 10,200