Business Combinations and Asset Acquisitions (Details) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended		9 Months Ended
		Mar. 12, 2024	Aug. 07, 2023	Apr. 28, 2024	Apr. 30, 2023	Apr. 28, 2024	Apr. 30, 2023	Jul. 30, 2023
Business Acquistion [Line Items]
Goodwill				$ 5,072		$ 5,072		$ 3,965
Costs associated with acquisition	[1]			16	$ 0	$ 35	$ 0
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life						19 years
Sovos Brands Acquisition
Business Acquistion [Line Items]
Business Acquisition, Date of Acquisition Agreement			Aug. 07, 2023
Business Acquisition, Share Price			$ 23.00
Business Acquisition, Effective Date of Acquisition		Mar. 12, 2024
Total consideration		$ 2,899
Goodwill		$ 1,110
Costs associated with acquisition				95		$ 114
Revenue of Acquiree since Acquisition Date, Actual				166
Earnings / (Loss) of Acquiree since Acquisition Date, Actual				(75)
Sovos Brands Acquisition | Delayed Draw Term Loan Due 2024
Business Acquistion [Line Items]
Proceeds from Lines of Credit						$ 2,000
Sovos Brands Acquisition | Weighted Average
Business Acquistion [Line Items]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life						27 years
Other Nonoperating Income (Expense) | Sovos Brands Acquisition
Business Acquistion [Line Items]
Costs associated with acquisition				16		$ 35
Interest Expense [Member] | Sovos Brands Acquisition | Delayed Draw Term Loan Due 2024
Business Acquistion [Line Items]
Costs associated with acquisition				2
Cost Of Products Sold [Member] | Sovos Brands Acquisition
Business Acquistion [Line Items]
Costs associated with acquisition				18
Cost Of Products Sold [Member] | Sovos Brands Acquisition | Fair Value Adjustment to Inventory
Business Acquistion [Line Items]
Costs associated with acquisition				17
Selling and Marketing Expense [Member] | Sovos Brands Acquisition
Business Acquistion [Line Items]
Costs associated with acquisition				2
General and Administrative Expense [Member] | Sovos Brands Acquisition
Business Acquistion [Line Items]
Costs associated with acquisition				39
Research and Development Expense [Member] | Sovos Brands Acquisition
Business Acquistion [Line Items]
Costs associated with acquisition				2
Restructuring Charges [Member] | Sovos Brands Acquisition
Business Acquistion [Line Items]
Costs associated with acquisition				$ 16

[1] Related to the acquisition of Sovos Brands. See Note 3 for additional information.