CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Receivables, allowance for doubtful accounts	$ 53.2	$ 62.6
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, Authorized	2,000,000	2,000,000
Preferred stock, Issued	0	0
Common stock, par value	$ 1.25	$ 1.25
Common stock, Authorized	500,000,000	500,000,000
Common stock, Issued	243,000,000	243,000,000
Treasury stock, shares	62,600,000	64,500,000