v3.26.1
Investments - Additional Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Jul. 25, 2026
Jul. 26, 2025
Jul. 27, 2024
Schedule of Investments [Line Items]      
Marketable equity securities $ 361 $ 383  
Net unrealized gain (loss) on marketable securities (7) 108 $ 71
Non-marketable equity securities included in other assets 4,030 1,921  
Other income (loss), net 1,245 (68) $ (306)
Variable Interest Entity, Not Primary Beneficiary      
Schedule of Investments [Line Items]      
Noncontrolling interest 354 162  
Total carrying value of our non-marketable equity securities 1,100    
Restricted equity securities      
Schedule of Investments [Line Items]      
Net unrealized gain (loss) on marketable securities (320)    
Non-marketable equity securities included in other assets $ 731 $ 0