Taxes on Earnings Schedule Of Provision Of Income Taxes On Earnings Of Continuing Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 28, 2024	Jul. 30, 2023	Jul. 31, 2022
Income Tax Disclosure [Abstract]
Current Federal Tax Expense (Benefit)	$ 190	$ 229	$ 160
Current State and Local Tax Expense (Benefit)	41	39	22
Current Foreign Tax Expense (Benefit)	6	7	15
Current Income Tax Expense (Benefit)	237	275	197
Deferred Federal Income Tax Expense (Benefit)	(37)	(8)	29
Deferred State and Local Income Tax Expense (Benefit)	(9)	2	(6)
Deferred Foreign Income Tax Expense (Benefit)	(1)	1	(2)
Deferred Income Tax Expense (Benefit)	(47)	(5)	21
Income Tax Expense (Benefit)	$ 190	$ 270	$ 218