LEGAL PROCEEDINGS - Antitrust (Details) $ in Millions		12 Months Ended
	Jul. 26, 2021 USD ($)	Jul. 30, 2020 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]
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