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Income Taxes (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 01, 2014
Feb. 02, 2013
Income Tax Examination [Line Items]    
Gross unrecognized accrued interest and penalties $ 21 $ 18
Interest and penalty expense 3 1
Unrecognized tax benefits that would impact effective tax rate $ 88 $ 75