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Borrowings - Schedule of Short-Term Debt (Details) - USD ($) $ in Millions | Jan. 25, 2025 | Jul. 27, 2024
--- | --- | ---
Short-term Debt [Line Items] |  |
Short-term debt | $ 11,413 | $ 11,341
Senior Notes |  |
Short-term Debt [Line Items] |  |
Short-term debt | $ 496 | $ 488
Effective Rate | 5.66% | 6.66%
Commercial paper |  |
Short-term Debt [Line Items] |  |
Short-term debt | $ 10,916 | $ 10,853
Effective Rate | 4.75% | 5.43%
Current portion of other debt |  |
Short-term Debt [Line Items] |  |
Short-term debt | $ 1 | $ 0
Effective Rate | 1.13% | 0.00%

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