Segment Information (Schedule Of Segment Reporting - Net Sales) (Details) - USD ($) $ in Millions	3 Months Ended
Oct. 31, 2021	Nov. 01, 2020
Segment Reporting Information [Line Items]
Net sales	$ 2,236	$ 2,340
Meals & Beverages [Member]
Segment Reporting Information [Line Items]
Net sales	1,266	1,363
Snacks [Member]
Segment Reporting Information [Line Items]
Net sales	$ 970	$ 977

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details