Comprehensive Income (Components Of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Beginning Balance			$ 52	$ 59
Other Comprehensive Income (Loss), before Reclassifications, before Tax			(2)	(3)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax			(2)	(4)
Other Comprehensive Income (Loss), Tax			0	1
Total Other Comprehensive Income (Loss), Net of Tax	$ (1)	$ 4	(4)	(6)
Accumulated Other Comprehensive Income (Loss), Ending Balance	48	53	48	53
Accumulated Translation Adjustment [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Beginning Balance			52	57
Other Comprehensive Income (Loss), before Reclassifications, before Tax			(4)	(5)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax			0	0
Other Comprehensive Income (Loss), Tax			0	0
Total Other Comprehensive Income (Loss), Net of Tax			(4)	(5)
Accumulated Other Comprehensive Income (Loss), Ending Balance	48	52	48	52
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Beginning Balance			0	2
Other Comprehensive Income (Loss), before Reclassifications, before Tax			2	2
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax			(2)	(4)
Other Comprehensive Income (Loss), Tax			0	1
Total Other Comprehensive Income (Loss), Net of Tax			0	(1)
Accumulated Other Comprehensive Income (Loss), Ending Balance	$ 0	$ 1	$ 0	$ 1