Sales and Division Results for Reportable Segments (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 27, 2012		Oct. 29, 2011
Segment Reporting Information [Line Items]
Sales	$ 1,524	$ 1,394	$ 4,469		$ 4,121
Restructuring charge					(1)	[1]
Division profit	184	131	527		391
Less: Corporate expense, net	28	25	76		76
Operating profit	156	106	451		315
Other income			1	[2]	1	[2]
Interest expense, net	1	1	3		4
Income before income taxes	155	105	449		312
Athletic Stores
Segment Reporting Information [Line Items]
Sales	1,375	1,268	4,060		3,773
Operating results before restructuring income	166	119	480		360
Direct-to-Customers
Segment Reporting Information [Line Items]
Sales	149	126	409		348
Operating results before restructuring income	$ 18	$ 12	$ 47		$ 32

[1] During the first quarter of 2011, the Company increased its 1993 Repositioning and 1991 Restructuring reserve by $1 million for repairs necessary to one of the locations comprising this reserve. This amount is included in selling, general and administrative expenses in the Condensed Consolidated Statement of Operations.

[2] Other income includes non-operating items, such as: gains from insurance recoveries; discounts/premiums paid on the repurchase and retirement of bonds; royalty income; and the changes in fair value, premiums paid, and realized gains associated with foreign currency option contracts. Other income for the thirty-nine weeks ended October 27, 2012 primarily represents royalty income, partially offset by a premium paid on the repurchase and retirement of bonds. Other income for the thirty-nine weeks ended October 29, 2011 primarily represents lease termination gains related to the sale of leasehold interests and royalty income.