The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Goodwill And Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 30, 2023	May 01, 2022	Apr. 30, 2023	May 01, 2022	Jul. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 10	$ 10	$ 31	$ 31
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	41		41
Finite-Lived Intangible Assets, Amortization Expense, Year Two	41		41
Finite Lived Intangible Assets, Amortization Expense, Year Three	41		41
Finite Lived Intangible Assets, Amortization Expense, Year Four	41		41
Finite Lived Intangible Assets, Amortization Expense, Year Five	$ 41		$ 41
Trade names - Total carrying value with 10% or less excess fair value coverage [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)					$ 434
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	16 years		16 years