Restructuring Charges and Cost Savings Initiatives (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Oct. 27, 2024	Oct. 29, 2023	Jul. 28, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 6	$ 2
Corporate Segment and Other Operating Segment [Member]
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs	29	11
2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		2
Other Restructuring Costs		$ 13
Restructuring and Related Cost, Cost Incurred to Date			$ 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
2015 and Snyder's-Lance Initiatives [Member] | Severance Pay And Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date			253
2015 and Snyder's-Lance Initiatives [Member] | Asset Impairment Accelerated Depreciation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date			134
2015 and Snyder's-Lance Initiatives [Member] | Implementation Costs and Other Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date			508
2015 and Snyder's-Lance Initiatives [Member] | Cash Expenditures [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date			720
Other Cost Savings Implementation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	115
Other Cost Savings Implementation Costs [Member] | Marketing and Selling Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs	8
Restructuring and Related Cost, Cost Incurred to Date	13
Sovos Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 21
2025 Initiatives
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	190
Payments to Acquire Property, Plant and Equipment - Expected Payments	215
Payments to Acquire Property, Plant, and Equipment - Incurred to Date	18
Restructuring charges	6
Other Restructuring Costs	27
Restructuring and Related Cost, Cost Incurred to Date	$ 27
2025 Initiatives | Meals & Beverages [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Allocation	72.00%
Restructuring and Related Cost, Cost Incurred to Date	$ 21
2025 Initiatives | Snacks [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Allocation	12.00%
Restructuring and Related Cost, Cost Incurred to Date	$ 3
2025 Initiatives | Corporate Segment and Other Operating Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Allocation	16.00%
Restructuring and Related Cost, Cost Incurred to Date	$ 3
2025 Initiatives | Severance Pay And Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	20
Restructuring and Related Cost, Cost Incurred to Date	6
2025 Initiatives | Asset Impairment Accelerated Depreciation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	50
Other Restructuring Costs	9
Restructuring and Related Cost, Cost Incurred to Date	9
2025 Initiatives | Implementation Costs and Other Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	120
Restructuring and Related Cost, Cost Incurred to Date	12
2025 Initiatives | Cash Expenditures [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 135