XML 109 R92.htm IDEA: XBRL DOCUMENT v3.23.2
Investments - Additional Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Jul. 29, 2023
Jul. 30, 2022
Schedule of Investments [Line Items]    
Marketable equity securities $ 431 $ 241
Net unrealized gain (loss) on marketable securities 36 (38)
Net gain (loss) on non-marketable equity securities measured using the measurement alternative (8) 32
Investments in privately held companies 1,800  
Funding commitments 300  
Variable Interest Entity, Not Primary Beneficiary    
Schedule of Investments [Line Items]    
Investments in privately held companies 1,000  
Net Asset Value (NAV) | Private equity funds    
Schedule of Investments [Line Items]    
Non-marketable equity securities included in other assets $ 900 $ 1,100