Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation (Stock Option Activity) (Details)

v3.7.0.1
Stock Based Compensation (Stock Option Activity) (Details)
$ / shares in Units, $ in Millions
12 Months Ended
Jan. 28, 2017
USD ($)
$ / shares
shares
Share-based Compensation [Abstract]  
Outstanding, beginning of period, shares | shares 18,829,800
Outstanding, beginning of period, weighted average exercise price | $ / shares $ 41.92
Granted, shares | shares 3,886,800
Granted, weighted average exercise price | $ / shares $ 42.97
Canceled or forfeited, shares | shares (1,116,600)
Canceled or forfeited, weighted average exercise price | $ / shares $ 51.33
Exercised, shares | shares (1,122,100)
Exercised, weighted average exercise price | $ / shares $ 31.30
Outstanding, end of period, shares | shares 20,477,900
Outstanding, end of period, weighted average exercise price | $ / shares $ 42.18
Exercisable, end of period, shares | shares 12,541,500
Exercisable, end of period, weighted average exercise price | $ / shares $ 36.48
Exercisable, end of period, weighted average remaining contractual life (years) 4 years 1 month 6 days
Exercisable, end of period, aggregate intrinsic value | $ $ 46
Options expected to vest, shares | shares 6,657,500
Options expected to vest, weighted average exercise price | $ / shares $ 51.07
Options expected to vest, weighted average remaining contractual life (years) 8 years 3 months 18 days
Options expected to vest, aggregate intrinsic value | $ $ 0