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Equity Investments and Other (Details)
$ in Millions
 3 Months Ended 12 Months Ended
Jul. 30, 2016
USD ($)
May 02, 2015
USD ($)
Jan. 28, 2017
USD ($)
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Jan. 30, 2016
USD ($)
Jan. 31, 2015
USD ($)
Return of Capital     $ 108 $ 0 $ 0
Equity Method Investment, Realized Gain (Loss) on Disposal     0 78 0
Proceeds from Equity Method Investments, Return of Capital and Other $ 124        
Gain (Loss) on Equity Method Investment Dividends Or Distributions (108)   108 0 $ 0
Gain (Loss) on Equity Method Investment Dividends or Distributions, Net of Tax $ 70        
Third Party Sourcing Business [Member]          
Equity Method Investment, Net Sales Proceeds   $ 85      
Equity Method Investment, Realized Gain (Loss) on Disposal   78      
Equity Method Investment, Realized Gain (Loss) on Disposal Net of Tax   $ 69      
Easton Investment [Member]          
Equity method investment carrying value     $ 79 $ 86  
Acres Of Land | a     1,300