Accumulated Other Comprehensive Income (Loss) (Components Of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions		12 Months Ended
		Jul. 28, 2024	Jul. 30, 2023	Jul. 31, 2022	Aug. 01, 2021
Beginning Balance		$ (3)
Other comprehensive income (loss), after-tax		(14)	$ (5)	$ (3)
Ending Balance		(17)	(3)
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)	0	(1)
Accumulated Other Comprehensive Income Unamortized Pension And Post Retirement Tax (Benefit) Expense		1	1	1	$ 1
Accumulated Translation Adjustment [Member]
Beginning Balance	[1]	(1)	0	6
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		(9)	(1)	(6)
Other Comprehensive Income Reclassifications Current Period Net of Tax		0	0	0
Other comprehensive income (loss), after-tax		(9)	(1)	(6)
Ending Balance	[1]	(10)	(1)	0
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Beginning Balance	[2]	(4)	0	(4)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		(4)	4	14
Other Comprehensive Income Reclassifications Current Period Net of Tax		(1)	(8)	(10)
Other comprehensive income (loss), after-tax		(5)	(4)	4
Ending Balance	[2]	(9)	(4)	0
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Beginning Balance	[3]	2	2	3
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		0	0	0
Other Comprehensive Income Reclassifications Current Period Net of Tax		0	0	(1)
Other comprehensive income (loss), after-tax		0	0	(1)
Ending Balance	[3]	2	2	2
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance		(3)	2	5
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		(13)	3	8
Other Comprehensive Income Reclassifications Current Period Net of Tax		(1)	(8)	(11)
Other comprehensive income (loss), after-tax		(14)	(5)	(3)
Ending Balance		$ (17)	$ (3)	$ 2

[1] Included no tax as of July 28, 2024, July 30, 2023, July 31, 2022, and August 1, 2021.

[2] Included a tax benefit of $2 million as of July 28, 2024, and $1 million as of July 30, 2023, no tax as of July 31, 2022, and a tax benefit of $1 million as of August 1, 2021.

[3] Included tax expense of $1 million as of July 28, 2024, July 30, 2023, July 31, 2022, and August 1, 2021.