Accumulated Other Comprehensive Income (Components Of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions		3 Months Ended
		Nov. 01, 2015	Nov. 02, 2014	Aug. 02, 2015
Beginning Balance		$ (168)
Other comprehensive income (loss), after tax		(32)	$ (81)
Ending Balance		(200)
Accumulated Other Comprehensive Income Foreign Currency Translation Tax (Benefit) Expense		5		$ 6
Accumulated Other Comprehensive Income Cashflow Hedges Tax (Benefit) Expense		(8)		(5)
Accumulated Other Comprehensive Income Unamortized Pension And Post Retirement Tax (Benefit) Expense		(1)		$ (1)
Accumulated Translation Adjustment [Member]
Beginning Balance	[1]	(166)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		(25)
Other Comprehensive Income Reclassifications Current Period Net of Tax		0
Other comprehensive income (loss), after tax		(25)
Ending Balance	[1]	(191)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Beginning Balance	[2]	(5)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		(5)
Other Comprehensive Income Reclassifications Current Period Net of Tax		(2)
Other comprehensive income (loss), after tax		(7)
Ending Balance	[2]	(12)
Accumulated Defined Benefit Plans Adjustment [Member]
Beginning Balance	[3]	3
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		0
Other Comprehensive Income Reclassifications Current Period Net of Tax		0
Other comprehensive income (loss), after tax		0
Ending Balance	[3]	3
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance		(168)
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax		(30)
Other Comprehensive Income Reclassifications Current Period Net of Tax		(2)
Other comprehensive income (loss), after tax		(32)	$ (81)
Ending Balance		$ (200)

[1] Included a tax expense of $5 as of November 1, 2015, and $6 as of August 2, 2015.

[2] Included a tax benefit of $8 as of November 1, 2015, and $5 as of August 2, 2015.

[3] Included a tax expense of $1 as of November 1, 2015 and August 2, 2015.