Restructuring Charges and Cost Savings Initiatives (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Jan. 30, 2022	Jan. 31, 2021	Jul. 30, 2023	Jul. 31, 2022	Aug. 01, 2021
Restructuring Cost and Reserve [Line Items]
Deferred Income Tax Expense (Benefit)			$ (5)	$ 21	$ 137
2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Payments To Acquire Property, Plant, and Equipment - Incurred to Date			467
Payments To Acquire Property, Plant, and Equipment- Expected Payments			$ 620
2015 and Snyder's-Lance Initiatives [Member] | Meals & Beverages [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Allocation			32.00%
2015 and Snyder's-Lance Initiatives [Member] | Snacks [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Allocation			43.00%
2015 and Snyder's-Lance Initiatives [Member] | Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Allocation			25.00%
Snyder's-Lance Cost Transformation Program and Integration
Restructuring Cost and Reserve [Line Items]
Deferred Income Tax Expense (Benefit)	$ 19	$ 19
Asset Impairment Accelerated Depreciation [Member] | 2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			$ 140
Minimum [Member] | 2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			885
Minimum [Member] | Severance Pay And Benefits [Member] | 2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			245
Minimum [Member] | Implementation Costs and Other Related Costs [Member] | 2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			500
Minimum [Member] | Cash Expenditures | 2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			705
Maximum [Member] | 2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			905
Maximum [Member] | Severance Pay And Benefits [Member] | 2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			250
Maximum [Member] | Implementation Costs and Other Related Costs [Member] | 2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			515
Maximum [Member] | Cash Expenditures | 2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			$ 725