Goodwill, Trade Names And Other Intangible Assets, Net (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011	Jan. 28, 2012
Goodwill Trade Names And Other Intangible Assets Net
Indefinite-Lived Trade Names	$ 486	$ 584	$ 486	$ 584	$ 486
Intangible assets with finite lives	8	14	8	14	9
Amortization of Intangible Assets	0	1	1	2
Estimated future amortization expense for the remainder of 2012			1
Estimated future annual amortization expense in 2013	3		3
Estimated future annual amortization expense in 2014	2		2
Estimated future annual amortization expense in 2015	$ 2		$ 2