Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Plans (Details 1)

v2.4.0.8
Stock-Based Compensation Plans (Details 1) (Employee Stock Option [Member], USD $)
In Millions, except Per Share data, unless otherwise specified
 12 Months Ended
May 31, 2014
Employee Stock Option [Member]
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options outstanding, Beginning balance, Shares 8.0
Options outstanding, Beginning balance, Weighted-average exercise price per share $ 34.17
Options granted 0.9
Options granted, Weighted-average exercise price per share $ 38.52
Options exercised (3.4)
Options exercised, Weighted-average exercise price per share $ 35.51
Options forfeited 0
Options forfeited, Weighted-average exercise price per share $ 29.26
Options expired (0.1)
Options expired, Weighted-average exercise price per share $ 38.11
Options outstanding, Ending balance, Shares 5.4
Options outstanding, Ending balance, Weighted-average exercise price per share $ 34.00
Options outstanding, Ending balance, Weighted-average remaining contractual term 5 years 3 months
Options outstanding, Ending balance, Aggregate intrinsic value $ 38.7
Options exercisable, Ending balance, Shares 3.4
Options exercisable, Ending balance, Weighted-average exercise price per share $ 33.87
Options exercisable, Ending balance, Weighted-average remaining contractual term 3 years 7 months 18 days
Options exercisable, Ending balance, Aggregate intrinsic value $ 24.7