Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation (Stock Option Activity) (Details)

v2.4.0.6
Stock Based Compensation (Stock Option Activity) (Details) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Jan. 28, 2012
Share-based Compensation [Abstract]  
Outstanding, beginning of period, shares 38,101,300
Outstanding, beginning of period, weighted average exercise price $ 25.59
Granted, shares 4,874,900
Granted, weighted average exercise price $ 23.43
Canceled or forfeited, shares (1,532,700)
Canceled or forfeited, weighted average exercise price $ 26.90
Exercised, shares (7,038,200)
Exercised, weighted average exercise price $ 20.07
Outstanding, end of period, shares 34,405,300
Outstanding, end of period, weighted average exercise price $ 26.36
Exercisable, end of period, shares 23,381,300
Exercisable, end of period, weighted average exercise price $ 29.57
Exercisable, end of period, weighted average remaining contractual life (years) 4.1
Exercisable, end of period, aggregate intrinsic value $ 99
Options expected to vest, shares 9,701,100
Options expected to vest, weighted average exercise price $ 19.56
Options expected to vest, weighted average remaining contractual life (years) 8.1
Options expected to vest, aggregate intrinsic value $ 138