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Financial Instruments (Schedule Of Changes In Cash Flow Hedges In Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Aug. 03, 2025 | Jul. 28, 2024 | Jul. 30, 2023
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
OCI before tax accumulated derivative gain (loss) beginning of period | $ (11) | $ (5) | $ 0
OCI before tax accumulated derivative gain (loss) end of period | (14) | (11) | (5)
Foreign Exchange Contract [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
OCI, before Reclassifications, before Tax, Attributable to Parent | (3) | 6 | 5
Foreign Exchange Contract [Member] | Cost Of Products Sold [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | (3) | (3) | (8)
Interest Rate Contract [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
OCI, before Reclassifications, before Tax, Attributable to Parent | 0 | (11) | 0
Interest Rate Contract [Member] | Interest Expense [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | 3 | 2 | 1
Commodity Derivative Contracts [Member] | Cost Of Products Sold [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | $ 0 | $ 0 | $ (3)

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