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. 26, 2025	Jan. 28, 2024	Jan. 26, 2025	Jan. 28, 2024	Jul. 28, 2024
Corporate Segment and Other Operating Segment [Member]
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs	$ 20	$ 34	$ 49	$ 45
2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date					$ 895
Other Restructuring Costs		$ 36		$ 49
2015 and Snyder's-Lance Initiatives [Member] | Meals & Beverages [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date					288
2015 and Snyder's-Lance Initiatives [Member] | Snacks [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date					383
2015 and Snyder's-Lance Initiatives [Member] | Corporate Segment and Other Operating Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date					$ 224
2025 Initiatives
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	52		52
Other Restructuring Costs	25		52
2025 Initiatives | Meals & Beverages [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	37		37
Other Restructuring Costs	16		37
2025 Initiatives | Snacks [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	5		5
Other Restructuring Costs	2		5
2025 Initiatives | Corporate Segment and Other Operating Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	10		10
Other Restructuring Costs	$ 7		$ 10