Fair Value Measurements, Nonrecurring (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Apr. 27, 2025	Apr. 28, 2024	Apr. 27, 2025	Apr. 28, 2024	Mar. 23, 2025	Dec. 22, 2024	Jul. 28, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment charges	[1]	$ 150	$ 0	$ 176	$ 0
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]		Other expenses / (income)	Other expenses / (income)	Other expenses / (income)	Other expenses / (income)
Trademarks - Allied Brands
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment charges				$ 15
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]				Other expenses / (income)
Trademarks - Late July
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment charges				$ 11
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]				Other expenses / (income)
Trademarks - Snyder's of Hanover [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment charges				$ 150
Indefinite-lived Intangible Assets (Excluding Goodwill)		$ 470		$ 470				$ 620
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]				Other expenses / (income)
Fair Value, Nonrecurring | Trademarks - Allied Brands
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)							$ 28
Fair Value, Nonrecurring | Trademarks - Late July
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)							$ 47
Fair Value, Nonrecurring | Trademarks - Snyder's of Hanover [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)						$ 470

[1] See Note 6 for additional information.