Sales and Division Operating Results for Reportable Segments (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended										3 Months Ended		12 Months Ended
	Apr. 30, 2011	Jan. 28, 2012		Jan. 29, 2011		Jan. 30, 2010		Jan. 29, 2011 Money Market Funds	Jan. 30, 2010 Athletic Stores	Jan. 30, 2010 Direct-to-Customers	Jan. 30, 2010 Direct-to-Customers Software Development	Jan. 28, 2012 CCS Trade Names	Jan. 29, 2011 CCS Trade Names	Jan. 28, 2012 CCS Trade Names	Jan. 29, 2011 CCS Trade Names
Segment Reporting Information [Line Items]
Non-cash impairment charges						$ 36			$ 32	$ 4
Impairment charges excluding goodwill		5		10							4	5	10	5	10
Increase in repositioning and restructuring reserve	1
Reorganization charge						5
Other income		$ 4	[1]	$ 4	[1]	$ 3	[1]	$ 2

[1] Other income includes non-operating items, such as gains from insurance recoveries, gains on the repurchase and retirement of bonds, royalty income, the changes in fair value, premiums paid and realized gains associated with foreign currency option contracts. Included in the year ended January 29, 2011 is a $2 million gain to reflect the Company's settlement of its investment in the Reserve International Liquidity Fund.