Accumulated Other Comprehensive Income (Loss) (Components Of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions		12 Months Ended
		Jul. 31, 2022	Aug. 01, 2021	Aug. 02, 2020		Jul. 28, 2019
Beginning Balance		$ 5
Other comprehensive income (loss), after tax		(3)	$ 11	$ 189
Ending Balance		2	5
Accumulated Other Comprehensive Income Foreign Currency Translation Tax (Benefit) Expense		0	0	0		$ 4
Accumulated Other Comprehensive Income Cashflow Hedges Tax (Benefit) Expense		0	(1)	(1)		(2)
Accumulated Other Comprehensive Income Unamortized Pension And Post Retirement Tax (Benefit) Expense		1	1	2		$ 8
Accumulated Translation Adjustment [Member]
Beginning Balance	[1]	6	(10)	(218)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		(6)	16	(2)
Other Comprehensive Income Reclassifications Current Period Net of Tax		0	0	210	[2]
Other comprehensive income (loss), after tax		(6)	16	208
Ending Balance	[1]	0	6	(10)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Beginning Balance	[3]	(4)	(7)	(9)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		14	(4)	2
Other Comprehensive Income Reclassifications Current Period Net of Tax		(10)	7	0	[2]
Other comprehensive income (loss), after tax		4	3	2
Ending Balance	[3]	0	(4)	(7)
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Beginning Balance	[4]	3	7	29
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		0	0	0
Other Comprehensive Income Reclassifications Current Period Net of Tax		(1)	(4)	(22)	[2]
Other comprehensive income (loss), after tax		(1)	(4)	(22)
Ending Balance	[4]	2	3	7
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance		5	(10)	(198)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		8	12	0
Other Comprehensive Income Reclassifications Current Period Net of Tax		(11)	3	188	[2]
Other comprehensive income (loss), after tax		(3)	15	188
Ending Balance		$ 2	$ 5	$ (10)

[1] Included no tax as of July 31, 2022, August 1, 2021, and August 2, 2020, and a tax expense of $4 million as of July 28, 2019.

[2] Reflects the reclassification from sale of businesses. See Note 3 for additional information.

[3] Included no tax as of July 31, 2022, and a tax benefit of $1 million as of August 1, 2021 and August 2, 2020, and $2 million as of July 28, 2019.

[4] Included a tax expense of $1 million as of July 31, 2022 and August 1, 2021, $2 million as of August 2, 2020, and $8 million as of July 28, 2019.