v3.26.3
Financial Instruments (Derivatives Not Designated As Hedges) (Details) - USD ($)
$ in Millions
 12 Months Ended
Aug. 02, 2026
Aug. 03, 2025
Jul. 28, 2024
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of (Gain) or Loss Recognized in Earnings on Derivatives $ (27) $ (22) $ 5
Foreign Exchange Contract [Member] | Derivative Instruments, Gain (Loss) by Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of (Gain) or Loss Recognized in Earnings on Derivatives 4 (3) (1)
Commodity Derivative Contracts [Member] | Derivative Instruments, Gain (Loss) by Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of (Gain) or Loss Recognized in Earnings on Derivatives (18) (10) 14
Equity Contract [Member] | Derivative Instruments, Gain (Loss) by Income Statement Location [Axis]: us-gaap:GeneralAndAdministrativeExpense      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of (Gain) or Loss Recognized in Earnings on Derivatives $ (13) $ (9) $ (8)