Segment Information (Schedule Of Segment Reporting - Earnings Before Interest And Taxes) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jan. 30, 2022	Jan. 31, 2021	Jan. 30, 2022	Jan. 31, 2021
Segment Reporting Information [Line Items]
Earnings before interest and taxes		$ 323	$ 401	$ 699	$ 862
Meals & Beverages [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes		213	262	493	599
Snacks [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes		121	140	249	275
Corporate
Segment Reporting Information [Line Items]
Earnings before interest and taxes	[1]	(11)	17	(43)	7
Defined Benefit Plan, Actuarial Gain (Loss)		10	30	4	34
Restructuring and Related Cost, Incurred Cost		(5)	(4)	(9)	(9)
Unrealized Gain (Loss) on Commodity Contracts			11	(3)	17
Corporate | Restructuring Charges [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	[2]	$ 0	$ (18)	$ 0	$ (19)

[1] Represents unallocated items. There were pension actuarial gains of $10 million and $4 million in the three- and six-month periods ended January 30, 2022, and pension actuarial gains of $30 million and $34 million in the three- and six-month periods ended January 31, 2021, respectively. Costs related to the cost savings initiatives were $5 million and $9 million in the three- and six-month periods ended January 30, 2022, and $4 million and $9 million in the three- and six-month periods ended January 31, 2021, respectively. Unrealized mark-to-market adjustments on outstanding undesignated commodity hedges were losses of $3 million in the six-month period ended January 30, 2022, and gains of $11 million and $17 million in the three- and six-month periods ended January 31, 2021, respectively.

[2] See Note 6 for additional information.