Restructuring Charges and Cost Savings Initiatives (Schedule Of Restructuring Charges Associated With Each Reportable Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 01, 2021	Aug. 02, 2020	Jul. 28, 2019
Corporate and Other
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 32	$ 60	$ 90
2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	694
Restructuring and Related Cost, Incurred Cost	53	$ 69	$ 121
2015 and Snyder's-Lance Initiatives [Member] | Meals & Beverages [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	223
Restructuring and Related Cost, Incurred Cost	3
2015 and Snyder's-Lance Initiatives [Member] | Snacks [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	299
Restructuring and Related Cost, Incurred Cost	48
2015 and Snyder's-Lance Initiatives [Member] | Corporate and Other
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	172
Restructuring and Related Cost, Incurred Cost	$ 2