v3.26.1
Financial Instruments (Derivatives Not Designated As Hedges) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
May 03, 2026
Apr. 27, 2025
May 03, 2026
Apr. 27, 2025
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of (Gain) or Loss Recognized in Earnings on Derivatives $ (14) $ 11 $ (32) $ (14)
Foreign Exchange Contract [Member] | Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of (Gain) or Loss Recognized in Earnings on Derivatives 1 (3) 3 (4)
Commodity Derivative Contracts [Member] | Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of (Gain) or Loss Recognized in Earnings on Derivatives (12) 10 (24) (8)
Equity Contracts [Member] | Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of (Gain) or Loss Recognized in Earnings on Derivatives $ (3) $ 4 $ (11) $ (2)