Condensed Consolidated Statements of Financial Position (Unaudited) (Parentheticals) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Common stock, par value (in Dollars per share)	$ 5	$ 5
Common stock, shares authorized	750,000,000us-gaap_CommonStockSharesAuthorized	750,000,000us-gaap_CommonStockSharesAuthorized	750,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares outstanding	119,927,459us-gaap_CommonStockSharesOutstanding	119,647,149us-gaap_CommonStockSharesOutstanding	119,247,421us-gaap_CommonStockSharesOutstanding
Treasury shares, shares	216,523us-gaap_TreasuryStockShares	216,523us-gaap_TreasuryStockShares	216,523us-gaap_TreasuryStockShares

Face amount or stated value per share of common stock.

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