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Shareholders' Equity Shareholders' Equity Narrative (Details) - USD ($)
shares in Millions, $ in Millions
12 Months Ended
Feb. 02, 2019
Feb. 03, 2018
Jan. 28, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 22.5    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 15.2    
Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Term 10 years    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years    
Time-Based Share Awards [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Payment Award, Award Vesting Period, Minimum 3 years    
Share-based Payment Award, Award Vesting Period, Maximum 3 years    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Annual Vesting Percentage 33.00%    
Employee Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date 5.00%    
Stock Issued During Period, Shares, Employee Stock Purchase Plans 0.1 0.1 0.2
Employee Stock Purchase Plan Amount Accumulated by Plan Participants $ 3 $ 3