Selected Financial Information By Reportable Segment And Reconciliations Of Operating Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Segment Reporting Information [Line Items]
Operating income	$ 425	$ 334	$ 820	$ 720
Stores Reportable Segment
Segment Reporting Information [Line Items]
Operating income	342	277	640	581
Direct Reportable Segment
Segment Reporting Information [Line Items]
Operating income	$ 83	$ 57	$ 180	$ 139