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Restructuring Initiatives - Schedule of Restructuring Costs (Details) - USD ($)
$ in Millions
 12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Restructuring Cost and Reserve [Line Items]      
Restructuring costs $ 138 $ 0 $ 0
Restructuring 2015      
Restructuring Cost and Reserve [Line Items]      
Restructuring costs 138    
Restructuring 2015 | SG&A      
Restructuring Cost and Reserve [Line Items]      
Restructuring costs 138    
Severance | Restructuring 2015      
Restructuring Cost and Reserve [Line Items]      
Restructuring costs 128    
Severance | Restructuring 2015 | SG&A      
Restructuring Cost and Reserve [Line Items]      
Restructuring costs 128    
Pension and other | Restructuring 2015      
Restructuring Cost and Reserve [Line Items]      
Restructuring costs 10    
Pension and other | Restructuring 2015 | SG&A      
Restructuring Cost and Reserve [Line Items]      
Restructuring costs $ 10