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Revenue - Schedule of Internal Risk Ratings for Contract Assets (Details) - USD ($) $ in Millions | Oct. 26, 2024 | Jul. 27, 2024
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Contract asset, gross | $ 2,914 | $ 2,794
1 to 4 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Contract asset, gross | 1,244 | 1,266
5 to 6 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Contract asset, gross | 1,599 | 1,456
7 and Higher |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Contract asset, gross | $ 71 | $ 72

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