Property And Equipment, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 30, 2016	Aug. 01, 2015	Jul. 30, 2016	Aug. 01, 2015	Jan. 30, 2016
Property, Plant and Equipment [Line Items]
Property and Equipment, at Cost	$ 5,991	$ 5,565	$ 5,991	$ 5,565	$ 5,639
Accumulated Depreciation and Amortization	(3,405)	(3,290)	(3,405)	(3,290)	(3,309)
Property and Equipment, Net	2,586	2,275	2,586	2,275	$ 2,330
Depreciation	$ 124	$ 113	$ 245	$ 224