Accumulated Other Comprehensive Income (Loss) (Components Of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions		3 Months Ended
		Oct. 27, 2024	Oct. 29, 2023	Jul. 28, 2024	Jul. 30, 2023
Beginning Balance		$ (17)
Other comprehensive income (loss), after-tax		4	$ (3)
Ending Balance		(13)
Accumulated Other Comprehensive Income Foreign Currency Translation Tax (Benefit) Expense		0	0	$ 0	$ 0
Accumulated Other Comprehensive Income Cashflow Hedges Tax (Benefit) Expense		(2)	1	(2)	(1)
Accumulated Other Comprehensive Income Unamortized Pension And Post Retirement Tax (Benefit) Expense		3	1	$ 1	$ 1
Accumulated Translation Adjustment [Member]
Beginning Balance	[1]	(10)	(1)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		(2)	(9)
Other Comprehensive Income Reclassifications Current Period Net of Tax		0	0
Other comprehensive income (loss), after-tax		(2)	(9)
Ending Balance	[1]	(12)	(10)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Beginning Balance	[2]	(9)	(4)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		0	6
Other Comprehensive Income Reclassifications Current Period Net of Tax		1	0
Other comprehensive income (loss), after-tax		1	6
Ending Balance	[2]	(8)	2
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Beginning Balance	[3]	2	2
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		5	0
Other Comprehensive Income Reclassifications Current Period Net of Tax		0	0
Other comprehensive income (loss), after-tax		5	0
Ending Balance	[3]	7	2
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance		(17)	(3)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		3	(3)
Other Comprehensive Income Reclassifications Current Period Net of Tax		1	0
Other comprehensive income (loss), after-tax		4	(3)
Ending Balance		$ (13)	$ (6)

[1] Included no tax as of October 27, 2024, July 28, 2024, October 29, 2023 and July 30, 2023.

[2] Included a tax benefit of $2 million as of October 27, 2024 and July 28, 2024, tax expense of $1 million as of October 29, 2023 and a tax benefit of $1 million as of July 30, 2023.

[3] Included tax expense of $3 million as of October 27, 2024, and $1 million as of July 28, 2024, October 29, 2023 and July 30, 2023.