Segment Information (Schedule Of Segment Reporting - Earnings Before Interest And Taxes) (Details) - USD ($) $ in Millions		3 Months Ended
		Nov. 01, 2020	Oct. 27, 2019
Segment Reporting Information [Line Items]
Earnings before interest and taxes		$ 461	$ 317
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		4	1
Net (gain) loss on sale of business		0	(104)
Meals & Beverages [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes		333	282
Snacks [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes		139	125
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	[1]	(10)	(87)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		4
Net (gain) loss on sale of business			(64)
Restructuring and Related Cost, Incurred Cost		(5)	(8)
Restructuring Charges [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	[2]	$ (1)	$ (3)

[1] Represents unallocated items. Pension benefit settlement adjustments are included in Corporate. There were settlement gains of $4 in the three-month period ended November 1, 2020. A loss of $64 on the sale of our European chips business was included in the three-month period ended October 27, 2019. Costs related to the cost savings initiatives were $5 and $8 in the three-month periods ended November 1, 2020, and October 27, 2019, respectively.

[2] See Note 7 for additional information.