Condensed Consolidated Statement of Financial Position (Unaudited) (Parentheticals) (USD $)	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Common stock, par value (in Dollars per share)	$ 5	$ 5	$ 5
Common stock, shares authorized	750,000,000	750,000,000	750,000,000
Common stock, shares outstanding	118,123,770	117,855,075	117,282,844
Treasury shares, number of shares	216,523	216,523	213,341