Restructuring Charges and Cost Savings Initiatives (Schedule Of Restructuring Charges Associated With Each Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 30, 2022	Jan. 31, 2021	Jan. 30, 2022	Jan. 31, 2021
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 5	$ 4	$ 9	$ 9
2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	703		703
Restructuring and Related Cost, Incurred Cost	5	$ 22	9	$ 28
2015 and Snyder's-Lance Initiatives [Member] | Meals & Beverages [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	225		225
Restructuring and Related Cost, Incurred Cost	1		2
2015 and Snyder's-Lance Initiatives [Member] | Snacks [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	306		306
Restructuring and Related Cost, Incurred Cost	4		7
2015 and Snyder's-Lance Initiatives [Member] | Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	172		172
Restructuring and Related Cost, Incurred Cost	$ 0		$ 0