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Additional Financial Statement Information Additional Financial Statement Information (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Additional Financial Statement Information [Abstract]      
Cash Equivalents And Short Term Investments Impairment Charge $ 0 $ 0 $ 0
Depreciation 554 586 639
Interest Costs Capitalized 6 4 0
Other Asset Impairment Charges 8 16 8
Other Deferred Cost, Amortization Expense 4 4 5
Activity Related to Asset Retirement Obligations $ 0 $ 0