Sales and Long-Lived Asset Information by Geographic Area (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Jan. 31, 2015	Nov. 01, 2014	Aug. 02, 2014	May 03, 2014	Feb. 01, 2014	Nov. 02, 2013	Aug. 03, 2013	May 04, 2013	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Segment Reporting Information [Line Items]
Sales	$ 1,911	$ 1,731	$ 1,641	$ 1,868	$ 1,791	$ 1,622	$ 1,454	$ 1,638	$ 7,151	$ 6,505	$ 6,182
Long-lived assets	620				590				620	590	490
United States
Segment Reporting Information [Line Items]
Sales									4,976	4,567	4,495
Long-lived assets	446				394				446	394	321
International
Segment Reporting Information [Line Items]
Sales									2,175	1,938	1,687
Long-lived assets	$ 174				$ 196				$ 174	$ 196	$ 169