Balance Sheet and Other Details - Inventories (Details) - USD ($) $ in Millions	Jan. 24, 2026	Jul. 26, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Raw materials	$ 2,016	$ 1,744
Work in process	684	261
Finished goods	987	933
Service-related spares	227	220
Demonstration systems	6	6
Total	$ 3,920	$ 3,164

Inventory, Demonstration Systems, Net Of Reserves

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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- Definition

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date for elements of machinery or equipment held for the purpose of replacing similar parts in the course of repair or maintenance.

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- Definition

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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