Stock-based Compensation (Summary of Stock-based Compensation Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 28, 2024		Jul. 30, 2023	Jul. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total pre-tax stock-based compensation expense	$ 99	[1]	$ 63	$ 59
Tax-related benefits	13		$ 12	$ 10
Sovos Brands Acquisition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Payment Arrangement, Accelerated Cost	26
Sovos Brands Acquisition | Replacement Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Payment Arrangement, Accelerated Cost	$ 26

[1] Includes $26 million of expense related to accelerated vesting of certain Replacement units in 2024.