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Quarterly Financial Data (Unaudited) (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Jul. 30, 2016
Apr. 30, 2016
May 02, 2015
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Restructuring Charges       $ 35        
Restructuring Charges, Net of Tax       $ 21        
Gain (Loss) on Equity Method Investment Dividends Or Distributions           $ 20 $ 112 $ 0
Gain (Loss) on Extinguishment of Debt           (45) (36) 0
Tax Adjustments, Settlements, and Unusual Provisions   $ 42            
Equity Method Investment, Realized Gain (Loss) on Disposal           $ 0 $ 0 $ 78
Unusual or Infrequent Item, or Both, Tax Effect $ 92              
Easton Town Center Investment [Member]                
Gain (Loss) on Equity Method Investment Dividends Or Distributions     $ 108          
Gain (Loss) on Equity Method Investment Dividends or Distributions, Net of Tax     70          
Third Party Sourcing Business [Member]                
Equity Method Investment, Realized Gain (Loss) on Disposal         $ 78      
Equity Method Investment, Realized Gain (Loss) on Disposal Net of Tax         $ 69      
Fixed Rate 8.50% Notes Due June 2019 [Member]                
Gain (Loss) on Extinguishment of Debt (45)              
Extinguishment of Debt, Gain (Loss), Net of Tax $ (29)              
Fixed Rate 6.90% Notes Due July 2017 [Member]                
Gain (Loss) on Extinguishment of Debt     (36)          
Extinguishment of Debt, Gain (Loss), Net of Tax     $ (22)