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Equity Investments and Other (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 01, 2014
Aug. 02, 2014
Aug. 03, 2013
Easton Investment [Member]
     
Schedule of Equity Method Investments [Line Items]      
Acres Of Land   1,300  
Easton Investment Carrying Value included in Other Assets $ 105 $ 100 $ 75
Third Party Sourcing Business [Member]
     
Schedule of Equity Method Investments [Line Items]      
Proceeds from Distributions from Equity Method Investments 64    
Equity Method Investment Carrying Value included in Other Assets 3 5 53
Easton Gateway Investment [Domain]
     
Schedule of Equity Method Investments [Line Items]      
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets   35  
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount   45  
Guarantor Obligations, Maximum Exposure, Undiscounted   $ 10