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Share-Based Compensation (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
May 05, 2018
Nov. 03, 2018
Oct. 28, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Proceeds from exercise of stock options   $ 4 $ 12
Stock Option Plans [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Fair value of options vested   8 $ 8
Proceeds from exercise of stock options   4  
Tax benefit realized from options exercised   1  
Restricted Stock and Units [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost   $ 33  
Share-based compensation arrangement by share-based payment award, non-option equity instruments, outstanding, number   878,319 361,137
Fair value of awards   $ 7 $ 14
Awards vesting period description   Generally, awards fully vest after the passage of time, typically three years. However, RSU awards made in connection with the Company's performance-based long-term incentive program are earned after the attainment of certain performance metrics and vest after the passage of time.  
Awards granted [1]   683,000  
Performance Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Awards granted 400,000    
Performance Shares [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share Based Compensation Arrangement By Share Based Payment Award, Target Percentage of Equity Awards Earned Over Performance Period   200.00%  
Performance Shares [Member] | Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share Based Compensation Arrangement By Share Based Payment Award, Target Percentage of Equity Awards Earned Over Performance Period   0.00%  
Nonvested Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost   $ 5  
Unrecognized compensation cost related to nonvested stock options, weighted-average period expected to be recognized   1 year 4 months 24 days  
[1] Approximately 0.4 million performance-based RSUs were granted during the first quarter of 2018 and are included as granted in the table above. The number of performance-based RSUs that are ultimately earned may vary from 0% to 200% of target depending on the achievement relative to the Company's predefined financial performance targets