Supplemental Financial Statement Data (Schedule of Balance Sheets) (Details) - USD ($) $ in Millions	Jan. 30, 2022	Aug. 01, 2021
Inventory, Net [Abstract]
Inventory, raw materials, containers and supplies	$ 402	$ 321
Inventory, finished products	509	612
Inventories	$ 911	$ 933

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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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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