Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions		12 Months Ended
		Jul. 28, 2024	Jul. 30, 2023	Jul. 31, 2022
Beginning Balance		$ 19	$ 12	$ 12
Charged to (Reduction in) Cost and Expense		113	124	137
Deductions		(117)	(117)	(137)
Ending Balance		15	19	12
Cash Discounts [Member]
Beginning Balance		6	5	6
Charged to (Reduction in) Cost and Expense		115	117	136
Deductions		(117)	(116)	(137)
Ending Balance		4	6	5
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Beginning Balance		10	4	2
Charged to (Reduction in) Cost and Expense		(2)	7	2
Deductions		0	(1)	0
Ending Balance		8	10	4
Sales Returns and Allowances [Member]
Beginning Balance	[1]	3	3	4
Charged to (Reduction in) Cost and Expense	[1]	0	0	(1)
Deductions	[1]	0	0	0
Ending Balance	[1]	3	3	3
Actual Returns		$ 109	$ 105	$ 110
Maximum [Member] | Sales Returns and Allowances [Member]
Percentage Of Actual Returns		2.00%	2.00%	2.00%

[1] The returns reserve is evaluated quarterly and adjusted accordingly. During each period, returns are charged to Net sales in the Consolidated Statements of Earnings as incurred. Actual returns were approximately $109 million in 2024, $105 million in 2023, and $110 million in 2022, or less than 2% of Net sales.