Income Taxes (Balance Sheet Accounts) (Details) (USD $) In Millions, unless otherwise specified	Jan. 29, 2012	Jan. 30, 2011
Income Taxes [Line Items]
Net Deferred Tax Assets	$ 136	$ 297
Other Current Assets [Member]
Income Taxes [Line Items]
Net Deferred Tax Assets	454	553
Other Assets [Member]
Income Taxes [Line Items]
Net Deferred Tax Assets	25	21
Other Accrued Expenses [Member]
Income Taxes [Line Items]
Net Deferred Tax Assets	(3)	(5)
Deferred Income Taxes [Member]
Income Taxes [Line Items]
Net Deferred Tax Assets	$ (340)	$ (272)

- Definition

For entities that net deferred tax assets and tax liabilities, represents the unclassified net amount of deferred tax assets and liabilities as of the balance sheet date, which result from applying the applicable enacted tax rate to net temporary differences and carryforwards pertaining to assets or liabilities. A temporary difference is a difference between the tax basis of an asset or liability and its carrying amount in the financial statements prepared in accordance with generally accepted accounting principles that will reverse in ensuing periods.

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