v3.26.1
Investments - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Apr. 25, 2026
Apr. 26, 2025
Apr. 25, 2026
Apr. 26, 2025
Jul. 26, 2025
Schedule of Investments [Line Items]          
Marketable equity securities $ 377   $ 377   $ 383
Net unrealized gain (loss) on marketable securities 26 $ (35) 21 $ (6)  
Equity interests held in certain private equity funds 2,946   2,946   1,921
Restricted equity securities          
Schedule of Investments [Line Items]          
Net unrealized gain (loss) on marketable securities (31)   (31)    
Equity interests held in certain private equity funds 379   379   0
Variable Interest Entity, Not Primary Beneficiary          
Schedule of Investments [Line Items]          
NCI equity 271   271   $ 162
Investments in privately held companies $ 900   $ 900