Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation (Narrative) (Details)

v3.7.0.1
Stock Based Compensation (Narrative) (Details)
shares in Millions, $ in Millions
12 Months Ended
Jan. 28, 2017
USD ($)
yr
shares
Number of Company equity plans prior to 2009 2
Number of years stock and stock option grant plans are active 10
Shares available for additional grants under the Company's equity plan | shares 16
Evaluation period of performance-based restricted stock plan for senior executives 3
Restricted Stock and Time-Based Restricted Stock Unit Awards [Member] | Minimum [Member]  
Number of years of service required to vest in stock based compensation plans 1
Restricted Stock and Time-Based Restricted Stock Unit Awards [Member] | Maximum [Member]  
Number of years of service required to vest in stock based compensation plans 4
Restricted Stock Units [Member]  
Unrecognized compensation costs related to nonvested restricted stock awards | $ $ 21
Unrecognized compensation costs related to nonvested restricted stock awards 1 year 4 months 24 days
Employee Stock Options [Member]  
Number of years of service required to vest in stock based compensation plans 4
Unrecognized compensation costs related to nonvested restricted stock awards | $ $ 63
Unrecognized compensation costs related to nonvested restricted stock awards 1 year 8 months 12 days
2009 Omnibus Incentive Compensation Plan [Member]  
Common Stock Shares Authorized to be issued under stock compensation plan | shares 51
CMD Committee Performance-Based Restricted Stock Plan [Member]  
Evaluation period of performance-based restricted stock plan for senior executives 3
CMD Committee Performance-Based Restricted Stock Plan [Member] | Minimum [Member]  
Percentage range of shares received by grant recipient based on target shares granted 0.00%
Number of companies in executive peer group for compensation plans
CMD Committee Performance-Based Restricted Stock Plan [Member] | Maximum [Member]  
Percentage range of shares received by grant recipient based on target shares granted 150.00%
Number of companies in executive peer group for compensation plans 12