Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v2.4.0.8
Consolidated Balance Sheets (Parenthetical) (USD $)
In Millions, except Per Share data, unless otherwise specified
May 31, 2013
May 31, 2012
Statement of Financial Position [Abstract]    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 600.0 600.0
Common stock, shares issued 365.4 362.6
Common stock, shares outstanding 365.4 362.6