Restructuring Charges and Cost Savings Initiatives (Schedule Of Restructuring Charges Associated With Each Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		114 Months Ended
	Apr. 27, 2025	Apr. 28, 2024	Apr. 27, 2025	Apr. 28, 2024	Jul. 28, 2024
Corporate Segment and Other Operating Segment [Member]
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs	$ 25	$ 23	$ 74	$ 68
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		$ 15		$ 64	895
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	73		73
Other Restructuring Costs	21		73
2025 Initiatives | Meals & Beverages [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	51		51
Other Restructuring Costs	14		51
2025 Initiatives | Snacks [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	10		10
Other Restructuring Costs	5		10
2025 Initiatives | Corporate Segment and Other Operating Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	12		12
Other Restructuring Costs	$ 2		$ 12