Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

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Consolidated Balance Sheets (Parenthetical) (USD $)
In Millions, except Per Share data
May 31, 2011
May 31, 2010
Stockholders' equity    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 600.0 600.0
Common stock, shares issued 362.1 361.5
Common stock, shares outstanding 362.1 361.5