Segments and Geographic Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013 item	Jul. 28, 2012	Feb. 02, 2013
Segments and Geographic Information
Number of reportable segments			1
Sales and assets by country
Net sales	$ 904	$ 892	$ 1,897	$ 1,870
Total Assets	1,645	1,703	1,645	1,703	1,555
United States
Sales and assets by country
Net sales	819	812	1,717	1,703
Total Assets	1,522	1,586	1,522	1,586	1,446
Canada
Sales and assets by country
Net sales	85	80	180	167
Total Assets	$ 123	$ 117	$ 123	$ 117	$ 109