Consolidated Statement Of Financial Position (Parentheticals) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Common stock, par value (in Dollars per share)	$ 2.50	$ 2.50
Common stock, shares authorized (in Shares)	950,000,000	950,000,000
Common stock, shares issued (in Shares)	391,292,760	391,292,760
Common stock, shares outstanding (in Shares)	272,373,920	271,379,883
Treasury stock, at cost (in Shares)	118,918,840	119,912,877