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Derivative Instruments - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Jul. 30, 2022
Jul. 31, 2021
Derivative [Line Items]    
Cash collateral provided $ 14  
Cash collateral received   $ 109
Net derivative asset $ 3  
Net derivative liability   $ 3
Cash flow hedges    
Derivative [Line Items]    
Derivative average remaining maturity 24 months  
Net investment hedges    
Derivative [Line Items]    
Derivative average remaining maturity 6 months