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Stockholders' Equity (Performance Shares and Restricted Stock, Narrative) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Jan. 28, 2023
Jan. 29, 2022
Jan. 30, 2021
2017 Equity Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available for new restricted stock awards (in shares) 8.9    
Restricted stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unamortized compensation expense $ 183.2 $ 181.8  
Weighted average remaining period of unrecognized compensation expense 1 year 9 months 18 days 1 year 9 months 18 days  
Intrinsic value per share, end of period (in dollars per share) $ 119.48    
Intrinsic value, end of period $ 471.1    
Treasury stock shares acquired (in shares) 0.5 0.5 0.5
Treasury stock, number of shares held (in shares) 15.3 14.8  
Restricted stock | 2017 Equity Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available for new restricted stock awards (in shares) 8.9 9.3 10.2
Restricted stock | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock vesting period 3 years    
Restricted stock | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock vesting period 5 years    
Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock vesting period 3 years