v3.26.1
Financial Instruments (Schedule Of Changes In Cash Flow Hedges In Other Comprehensive Income (Loss)) (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]        
OCI before tax accumulated derivative gain (loss) beginning of period $ (12) $ (8) $ (14) $ (11)
OCI before tax accumulated derivative gain (loss) end of period (11) (13) (11) (13)
Foreign Exchange Contract [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
OCI, before Reclassifications, before Tax, Attributable to Parent 0 (5) (1) (2)
Foreign Exchange Contract [Member] | Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold        
Derivative Instruments, Gain (Loss) [Line Items]        
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax 0 (1) 2 (2)
Interest Rate Contract [Member] | Location, Statement of Income, Balance [Axis]: us-gaap:InterestExpense        
Derivative Instruments, Gain (Loss) [Line Items]        
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax $ 1 $ 1 $ 2 $ 2