Supplemental Financial Statement Data (Schedule of Balance Sheets) (Details) - USD ($) $ in Millions	Jan. 26, 2025	Jul. 28, 2024
Inventory, [Line Items]
Inventory, raw materials, containers and supplies	$ 438	$ 376
Inventory, finished products	850	1,010
Inventories	$ 1,288	$ 1,386

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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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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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