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Restructuring Activities (Details)
$ in Millions
3 Months Ended 12 Months Ended
Apr. 30, 2016
USD ($)
position
Jan. 28, 2017
USD ($)
Restructuring Charges $ 35  
Payments for Restructuring   $ 16
Restructuring Reserve, Accrual Adjustment   4
Restructuring Reserve   $ 5
Home Office Employees [Member]    
Restructuring and Related Cost, Number of Positions Eliminated | position 200  
Cost of Goods Sold, Buying and Occupancy [Member]    
Restructuring Charges $ 11  
Selling, General and Administrative Expenses [Member]    
Severance Costs 24  
Non-cash Charge [Member]    
Restructuring Charges $ 10