Accumulated Other Comprehensive Income (Loss) (Components Of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions		3 Months Ended
		Nov. 01, 2020	Oct. 27, 2019		Aug. 02, 2020	Jul. 28, 2019
Beginning Balance		$ (10)
Other comprehensive income (loss), after tax		(1)	$ 73
Ending Balance		(9)
Accumulated Other Comprehensive Income Foreign Currency Translation Tax (Benefit) Expense		0	4		$ 0	$ 4
Accumulated Other Comprehensive Income Cashflow Hedges Tax (Benefit) Expense		(2)	(1)		(1)	(2)
Accumulated Other Comprehensive Income Unamortized Pension And Post Retirement Tax (Benefit) Expense		2	7		$ 2	$ 8
Accumulated Translation Adjustment [Member]
Beginning Balance	[1]	(10)	(218)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		2	(5)
Other Comprehensive Income Reclassifications Current Period Net of Tax		0	82	[2]
Other comprehensive income (loss), after tax		2	77
Ending Balance	[1]	(8)	(141)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Beginning Balance	[3]	(7)	(9)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		0	0
Other Comprehensive Income Reclassifications Current Period Net of Tax		0	1	[2]
Other comprehensive income (loss), after tax		0	1
Ending Balance	[3]	(7)	(8)
Accumulated Defined Benefit Plans Adjustment [Member]
Beginning Balance	[4]	7	29
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		0	0
Other Comprehensive Income Reclassifications Current Period Net of Tax		(1)	(6)	[2]
Other comprehensive income (loss), after tax		(1)	(6)
Ending Balance	[4]	6	23
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance		(10)	(198)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		2	(5)
Other Comprehensive Income Reclassifications Current Period Net of Tax		(1)	77	[2]
Other comprehensive income (loss), after tax		1	72
Ending Balance		$ (9)	$ (126)

[1] Included no tax as of November 1, 2020, and August 2, 2020, and tax expense of $4 as of October 27, 2019, and July 28, 2019.

[2] Reflects amounts reclassified from sale of businesses. See Note 3 for additional information.

[3] Included a tax benefit of $2 as of November 1, 2020, $1 as of August 2, 2020, and October 27, 2019, and $2 as of July 28, 2019.

[4] Included tax expense of $2 as of November 1, 2020, $2 as of August 2, 2020, $7 as of October 27, 2019, and $8 as of July 28, 2019.