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Property And Equipment, Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2015	Nov. 01, 2014	Oct. 31, 2015	Nov. 01, 2014	Jan. 31, 2015
Property, Plant and Equipment [Line Items]
Property and Equipment, at Cost	$ 5,652	$ 5,462	$ 5,652	$ 5,462	$ 5,480
Accumulated Depreciation and Amortization	(3,302)	(3,181)	(3,302)	(3,181)	(3,203)
Property and Equipment, Net	2,350	2,281	2,350	2,281	$ 2,277
Depreciation	111	$ 108	335	$ 327
Sale Leaseback Transaction, Net Book Value	$ 177		177
Sale Leaseback Transaction, Gross Proceeds, Investing Activities			$ 178

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount of cash inflow before closing and deferred financing costs received by a seller-lessee in a sale-leaseback recognized in investing activities.

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The net book value of the asset(s) sold in connection with the sale of the property to another party and lease back to the seller.

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