Acquisition Narrative (Details) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended		6 Months Ended		12 Months Ended
		Mar. 12, 2024	Aug. 07, 2023	Jan. 26, 2025	Jan. 28, 2024	Jan. 26, 2025	Jan. 28, 2024	Jul. 28, 2024
Business Acquistion [Line Items]
Goodwill				$ 4,988		$ 4,988		$ 5,077
Costs associated with acquisition	[1]			0	$ 10	0	$ 19
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		$ 1,116
Costs associated with acquisition					$ 10		$ 19
Revenue of Acquiree since Acquisition Date, Actual				313		623
Earnings / (Loss) of Acquiree since Acquisition Date, Actual				$ (9)		$ (12)
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						29 years

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