v3.26.1
Balance Sheet and Other Details - Remaining Performance Obligations (Details) - USD ($)
$ in Millions
Jul. 25, 2026
Jul. 26, 2025
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Remaining performance obligation $ 46,734 $ 43,533
Deferred revenue 29,781 28,779
Unbilled contract revenue    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Remaining performance obligation $ 16,953 14,754
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-07-27    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Remaining performance obligation   21,723
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-07-27 | Minimum    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Period for amount to be recognized as revenue 1 year  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-07-27 | Maximum    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Period for amount to be recognized as revenue 3 years  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-26    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Remaining performance obligation $ 22,776 21,810
Period for amount to be recognized as revenue 12 months  
Revenue performance obligation percentage 49.00%  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-07-24    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Remaining performance obligation $ 23,958  
Revenue performance obligation percentage 39.00%  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-07-24 | Minimum    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Period for amount to be recognized as revenue 1 year  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-07-24 | Maximum    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Period for amount to be recognized as revenue 3 years  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-07-29    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Period for amount to be recognized as revenue  
Revenue performance obligation percentage 12.00%  
Product    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Remaining performance obligation $ 23,436 21,572
Deferred revenue 13,817 13,490
Services    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Remaining performance obligation 23,298 21,961
Deferred revenue $ 15,964 $ 15,289