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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
Apr. 30, 2023
May 01, 2022
Apr. 30, 2023
May 01, 2022
Corporate        
Restructuring Cost and Reserve [Line Items]        
Restructuring and Related Cost, Incurred Cost $ 27 $ 6 $ 35 $ 15
2015 and Snyder's-Lance Initiatives [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring and Related Cost, Cost Incurred to Date 775   775  
Restructuring and Related Cost, Incurred Cost 33 $ 6 50 $ 15
2015 and Snyder's-Lance Initiatives [Member] | Meals & Beverages [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring and Related Cost, Cost Incurred to Date 244   244  
Restructuring and Related Cost, Incurred Cost 19   19  
2015 and Snyder's-Lance Initiatives [Member] | Snacks [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring and Related Cost, Cost Incurred to Date 340   340  
Restructuring and Related Cost, Incurred Cost 9   19  
2015 and Snyder's-Lance Initiatives [Member] | Corporate        
Restructuring Cost and Reserve [Line Items]        
Restructuring and Related Cost, Cost Incurred to Date 191   191  
Restructuring and Related Cost, Incurred Cost $ 5   $ 12