Consolidated Statements of Financial Position (Parentheticals) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Common stock, par value (in Dollars per share) (in Dollars per share) (in Dollars per share) (in Dollars per share) (in Dollars per share)	$ 5	$ 5
Common stock, shares authorized (in Shares) (in Shares)	750,000,000	750,000,000
Common stock, shares outstanding (in Shares) (in Shares)	117,855,075	117,044,803
Treasury shares (in Shares)	216,523	189,000