Restructuring Charges and Cost Savings Initiatives (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended		12 Months Ended
	Jan. 31, 2021	Jan. 30, 2022	Jan. 31, 2021	Jul. 31, 2022
Restructuring Cost and Reserve [Line Items]
Purchases of plant assets		$ 129	$ 132
2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Purchases of plant assets		$ 427
2015 and Snyder's-Lance Initiatives [Member] | Meals & Beverages [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Allocation		31.00%
2015 and Snyder's-Lance Initiatives [Member] | Snacks [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Allocation		45.00%
2015 and Snyder's-Lance Initiatives [Member] | Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Allocation		24.00%
2015 and Snyder's-Lance Initiatives [Member] | Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Purchases of plant assets				$ 445
2015 and Snyder's-Lance Initiatives [Member] | Severance Pay And Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost		$ 225
2015 and Snyder's-Lance Initiatives [Member] | Asset Impairment Accelerated Depreciation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost		85
2015 and Snyder's-Lance Initiatives [Member] | Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost		715
Effect on Future Cash Flows, Amount		615
2015 and Snyder's-Lance Initiatives [Member] | Minimum [Member] | Implementation Costs and Other Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost		405
2015 and Snyder's-Lance Initiatives [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost		725
Effect on Future Cash Flows, Amount		625
2015 and Snyder's-Lance Initiatives [Member] | Maximum [Member] | Implementation Costs and Other Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost		$ 415
Snyder's- Lance Cost Transformation Program and Integration
Restructuring Cost and Reserve [Line Items]
Deferred Income Tax Expense (Benefit)	$ 19