Segment Information (Schedule Of Segment Reporting - Earnings Before Interest And Taxes) (Details) - USD ($) $ in Millions		3 Months Ended
		Oct. 27, 2019	Oct. 28, 2018
Segment Reporting Information [Line Items]
Earnings before interest and taxes		$ 317	$ 326
Gain (Loss) on Disposition of Business		(64)	0
Meals & Beverages [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes		282	290
Snacks [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes		125	125
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	[1]	(87)	(71)
Restructuring and Related Cost, Incurred Cost		(8)	(27)
Gain (Loss) on Disposition of Business		(64)
Restructuring Charges [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	[2]	$ (3)	$ (18)

[1] Represents unallocated items, including the loss on the sale of our European chips business of $64 in the three-month period ended October 27, 2019, and costs related to the cost savings initiatives of $8 and $27 in the three-month periods ended October 27, 2019, and October 28, 2018, respectively.

[2] See Note 7 for additional information.