Accumulated Other Comprehensive Income (Loss) (Components Of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions		3 Months Ended
		Oct. 31, 2021	Nov. 01, 2020	Aug. 01, 2021	Aug. 02, 2020
Beginning Balance		$ 5
Other comprehensive income (loss), after-tax		2	$ (1)
Ending Balance		7
Accumulated Other Comprehensive Income Foreign Currency Translation Tax (Benefit) Expense		0	0	$ 0	$ 0
Accumulated Other Comprehensive Income Cashflow Hedges Tax (Benefit) Expense		0	(2)	(1)	(1)
Accumulated Other Comprehensive Income Unamortized Pension And Post Retirement Tax (Benefit) Expense		1	2	$ 1	$ 2
Accumulated Translation Adjustment [Member]
Beginning Balance	[1]	6	(10)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		0	2
Other Comprehensive Income Reclassifications Current Period Net of Tax		0	0
Other comprehensive income (loss), after-tax		0	2
Ending Balance	[1]	6	(8)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Beginning Balance	[2]	(4)	(7)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		2	0
Other Comprehensive Income Reclassifications Current Period Net of Tax		0	0
Other comprehensive income (loss), after-tax		2	0
Ending Balance	[2]	(2)	(7)
Accumulated Defined Benefit Plans Adjustment [Member]
Beginning Balance	[3]	3	7
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		0	0
Other Comprehensive Income Reclassifications Current Period Net of Tax		0	(1)
Other comprehensive income (loss), after-tax		0	(1)
Ending Balance	[3]	3	6
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance		5	(10)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		2	2
Other Comprehensive Income Reclassifications Current Period Net of Tax		0	(1)
Other comprehensive income (loss), after-tax		2	1
Ending Balance		$ 7	$ (9)

[1] Included no tax as of October 31, 2021, August 1, 2021, November 1, 2020 and August 2, 2020.

[2] Included no tax as of October 31, 2021, a tax benefit of $1 as of August 1, 2021, $2 as of November 1, 2020, and $1 as of August 2, 2020.

[3] Included tax expense of $1 as of October 31, 2021, and as of August 1, 2021, and $2 as of November 1, 2020, and as of August 2, 2020.