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BENEFIT PLANS - Multiemployer Pension Plans, Additional Information (Details)
$ in Millions
12 Months Ended
Jul. 31, 2021
USD ($)
plan
Aug. 01, 2020
USD ($)
Defined Benefit Plan Disclosure [Line Items]    
Number of multiemployer plans, withdrawal | plan 13  
Multiemployer pension plan withdrawal liability   $ 11
Multiemployer pension plan, payment period 20 years  
Other long-term liabilities    
Defined Benefit Plan Disclosure [Line Items]    
Multiemployer pension plan withdrawal liability $ 110 $ 52
Retail Multiemployer Pension Plans    
Defined Benefit Plan Disclosure [Line Items]    
Number of multiemployer plans, withdrawal | plan 3  
Multi-employer pension plan withdrawal charges $ 63