XML 94 R3.htm IDEA: XBRL DOCUMENT v2.4.0.8
Consolidated Balance Sheets (Parenthetical) (USD $)
In Millions, except Share data, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 43.0 $ 45.3
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 50,000,000 50,000,000
Preferred stock, shares issued (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 750,000,000 750,000,000
Common stock, shares issued (in shares) 410,100,000 405,200,000
Treasury stock, shares (in shares) 48,200,000 44,100,000