Property and Equipment, Net (Details) (USD $)	3 Months Ended
Apr. 28, 2012	Apr. 30, 2011	Jan. 28, 2012
Property and equipment, net
Property and equipment, Total	$ 2,766,092,000		$ 2,655,219,000
Accumulated depreciation and amortization	(1,499,217,000)		(1,457,948,000)
Property and equipment, net	1,266,875,000		1,197,271,000
Property and Equipment, Net (Textuals) [Abstract]
Store related assets measured at fair value			13,100,000
Asset Impairment Charges	0	0
Construction Project Assets [Member]
Property and equipment, net
Property and equipment, Total	$ 56,100,000		$ 47,500,000

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

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- Definition

Gross amount, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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