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Derivative Instruments Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type (Details) (USD $)
In Millions, unless otherwise specified
Aug. 03, 2013
Feb. 02, 2013
Jul. 28, 2012
Derivatives, Fair Value [Line Items]      
Cross-currency Cash Flow Hedges $ 43 $ 59 $ 53
Other Assets [Member]
     
Derivatives, Fair Value [Line Items]      
Interest Rate Fair Value Hedge Asset at Fair Value 1 0 0
Other Long-term Liabilities [Member]
     
Derivatives, Fair Value [Line Items]      
Cross-currency Cash Flow Hedges $ 43 $ 59 $ 53