Other Income - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 28, 2012		Jan. 29, 2011		Jan. 30, 2010
Component of Other Income, Nonoperating [Line Items]
Other income	$ 4	[1]	$ 4	[1]	$ 3	[1]
Lease Termination
Component of Other Income, Nonoperating [Line Items]
Other income	2
Money Market Funds
Component of Other Income, Nonoperating [Line Items]
Other income			2
Insurance Settlement
Component of Other Income, Nonoperating [Line Items]
Insurance recoveries, bond and royalties	1				4
Foreign Exchange Option
Component of Other Income, Nonoperating [Line Items]
Other income					$ 1

[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.