Supplemental Financial Statement Data (Schedule of Statement of Earnings) (Details) - USD ($) $ in Millions		12 Months Ended
		Jul. 28, 2024	Jul. 30, 2023	Jul. 31, 2022
Amortization of Intangible Assets	[1]	$ 73	$ 48	$ 41
Net periodic benefit income other than the service cost		26	(35)	(23)
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	[2]	129	0	0
Gain (Loss) on Disposition of Business	[3]	0	13	0
Costs Associated with Acquisition	[4]	35	5	0
Transition service fees		(2)	(1)	0
Other		0	2	3
Other expenses / (income)		261	32	21
Advertising Expense	[5]	350	365	314
Interest Costs Incurred		259	192	191
Interest Costs Capitalized Adjustment		(10)	(4)	(2)
Interest Expense	[6]	249	188	189
Accelerated Amortization of Intangible Assets		27	7
Loss on extinguishment of debt		$ 0	$ 0	$ 4
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]		Other expenses / (income)	Other expenses / (income)	Other expenses / (income)
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]		Other expenses / (income)	Other expenses / (income)	Other expenses / (income)
Interest Expense [Member]
Loss on extinguishment of debt				$ 4
Loss on Extinguishment of Debt, before Write off of Debt Issuance Cost				$ 3
Other Nonoperating Income (Expense)
Accelerated Amortization of Intangible Assets		$ 27	$ 7

[1] Includes accelerated amortization expense related to customer relationship intangible assets of $27 million and $7 million in 2024 and 2023, respectively.

[2] See Note 6 for additional information.

[3] In 2023, we recognized a loss of $13 million on the sale of our Emerald nuts business. See Note 4 for additional information.

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

[5] Included in Marketing and selling expenses.

[6] In 2022, we recognized a loss of $4 million (including $3 million of premium and other costs) on the extinguishment of debt. See Note 13 for additional information.