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) (USD $)
In Millions, except Per Share data, unless otherwise specified
12 Months Ended
May 31, 2013
April 2004 Grant [Member]
 
Broad-based stock option grants  
Options granted 1.7
Options granted, Weighted-average exercise price per share $ 37.72
Options outstanding, Ending balance, Shares 0.6
October 2006 Grant [Member]
 
Broad-based stock option grants  
Options granted 2.0
Options granted, Weighted-average exercise price per share $ 37.32
Options outstanding, Ending balance, Shares 1.0