Restructuring Charges and Cost Savings Initiatives (Schedule Of Restructuring Activity And Related Reserves) (Details) - USD ($) $ in Millions		12 Months Ended
		Jul. 30, 2023		Jul. 31, 2022		Aug. 01, 2021
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Noncurrent		$ 7		$ 0
2015 and Snyder's-Lance Initiatives [Member]
Restructuring Reserve [Roll Forward]
Other Restructuring Costs		66		31		$ 53
2015 and Snyder's-Lance Initiatives [Member] | Severance Pay And Benefits [Member]
Restructuring Reserve [Roll Forward]
Accrued Balance at beginning of period		7		7	[1]
Restructuring and Related Cost, Incurred Cost		13		5
Cash Payments		(7)		(5)
Accrued Balance at end of period		13	[2]	7		7	[1]
Restructuring Reserve, Noncurrent		7				$ 1
2015 and Snyder's-Lance Initiatives [Member] | Other Cost Savings Implementation Costs [Member]
Restructuring Reserve [Roll Forward]
Other Restructuring Costs	[3]	26		26
2015 and Snyder's-Lance Initiatives [Member] | Asset Impairment Accelerated Depreciation [Member]
Restructuring Reserve [Roll Forward]
Other Restructuring Costs		24		0
2015 and Snyder's-Lance Initiatives [Member] | Other Non Cash Exit Costs [Member]
Restructuring Reserve [Roll Forward]
Other Restructuring Costs	[4]	$ 3		$ 0

[1] Includes $1 million of severance pay and benefits recorded in Other liabilities in the Consolidated Balance Sheet.

[2] Includes $7 million of severance pay and benefits recorded in Other liabilities in the Consolidated Balance Sheet.

[3] Includes other costs recognized as incurred that are not reflected in the restructuring reserves in the Consolidated Balance Sheets. The costs are included in Administrative expenses, Cost of products sold, Marketing and selling expenses and Research and development expenses in the Consolidated Statements of Earnings.

[4] Includes non-cash costs that are not reflected in the restructuring reserves in the Consolidated Balance Sheets.