v3.25.2
Financial Instruments (Derivatives Not Designated As Hedges) (Details) - USD ($)
$ in Millions
 12 Months Ended
Aug. 03, 2025
Jul. 28, 2024
Jul. 30, 2023
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of (Gain) or Loss Recognized in Earnings on Derivatives $ (22) $ 5 $ (31)
Foreign Exchange Contract [Member] | Cost Of Products Sold [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of (Gain) or Loss Recognized in Earnings on Derivatives (3) (1) 0
Commodity Derivative Contracts [Member] | Cost Of Products Sold [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of (Gain) or Loss Recognized in Earnings on Derivatives (10) 14 (27)
Equity Contract [Member] | General and Administrative Expense [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of (Gain) or Loss Recognized in Earnings on Derivatives $ (9) $ (8) $ (4)