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Acquisitions and Divestitures - Additional Information (Details)
$ in Millions
6 Months Ended
Jan. 29, 2022
USD ($)
acquisition
Jan. 23, 2021
USD ($)
Business Acquisition [Line Items]    
Number of acquisitions | acquisition 2  
Acquired cash and cash equivalents $ 6  
General and administrative    
Business Acquisition [Line Items]    
Acquisition related costs $ 38 $ 10