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LEGAL PROCEEDINGS - Antitrust (Details)
$ in Millions
12 Months Ended
Jul. 26, 2021
USD ($)
Jul. 30, 2020
case
Jun. 30, 2021
case
Glumetza Antitrust Litigation      
Loss Contingencies [Line Items]      
Number of putative antitrust class actions filed   8  
Glumetza Antitrust Litigation | Pending Litigation      
Loss Contingencies [Line Items]      
Number of lawsuits pending     5
Glumetza Antitrust Litigation | Pending Litigation | Subsequent Event      
Loss Contingencies [Line Items]      
Settlement, agreed to pay | $ $ 300    
Glumetza Antitrust Litigation | Plaintiffs, Direct Purchasers      
Loss Contingencies [Line Items]      
Number of putative antitrust class actions filed   3  
Glumetza Antitrust Litigation, Non-Class Complaints      
Loss Contingencies [Line Items]      
Number of putative antitrust class actions filed   4  
Glumetza Antitrust Litigation, Non-Class Complaints | Plaintiffs, Direct Purchasers      
Loss Contingencies [Line Items]      
Number of putative antitrust class actions filed   3  
Generic Pricing Antitrust Litigation | Pending Litigation      
Loss Contingencies [Line Items]      
Number of lawsuits pending     2