v3.26.3
Financial Instruments (Schedule Of Changes In Cash Flow Hedges In Other Comprehensive Income (Loss)) (Details) - USD ($)
$ in Millions
 12 Months Ended
Aug. 02, 2026
Aug. 03, 2025
Jul. 28, 2024
Derivative Instruments, Gain (Loss) [Line Items]      
OCI before tax accumulated derivative gain (loss) beginning of period $ (14) $ (11) $ (5)
OCI before tax accumulated derivative gain (loss) end of period (4) (14) (11)
Foreign Exchange Contract [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
OCI, before Reclassifications, before Tax, Attributable to Parent 5 (3) 6
Foreign Exchange Contract [Member] | Derivative Instruments, Gain (Loss) by Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold      
Derivative Instruments, Gain (Loss) [Line Items]      
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax 3 (3) (3)
Interest Rate Contract [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
OCI, before Reclassifications, before Tax, Attributable to Parent 0 0 (11)
Interest Rate Contract [Member] | Derivative Instruments, Gain (Loss) by Income Statement Location [Axis]: us-gaap:InterestExpense      
Derivative Instruments, Gain (Loss) [Line Items]      
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax $ 2 $ 3 $ 2