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Restructuring Initiatives - Schedule of Restructuring-Related Liabilities (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Restructuring Reserve [Roll Forward]      
Charges during period $ 138 $ 0 $ 0
Restructuring 2015      
Restructuring Reserve [Roll Forward]      
Beginning balance 0    
Charges during period 138    
Paid or otherwise settled (135)    
Ending balance 3 0  
Severance | Restructuring 2015      
Restructuring Reserve [Roll Forward]      
Beginning balance 0    
Charges during period 128    
Paid or otherwise settled (125)    
Ending balance 3 0  
Pension and Other | Restructuring 2015      
Restructuring Reserve [Roll Forward]      
Beginning balance 0    
Charges during period 10    
Paid or otherwise settled (10)    
Ending balance $ 0 $ 0