Condensed Consolidated Balance Sheets Parentheticals (USD $)	Mar. 31, 2015	Dec. 31, 2014
Common Stock, Par or Stated Value Per Share	$ 1.00	$ 1.00
Common Stock, Shares Authorized	800,000,000us-gaap_CommonStockSharesAuthorized	800,000,000us-gaap_CommonStockSharesAuthorized
Common Stock, Shares, Issued	288,900,000us-gaap_CommonStockSharesIssued	288,700,000us-gaap_CommonStockSharesIssued
Preferred Stock, Par or Stated Value Per Share	$ 1.00	$ 1.00
Preferred Stock, Shares Authorized	10,000,000us-gaap_PreferredStockSharesAuthorized	10,000,000us-gaap_PreferredStockSharesAuthorized
Preferred Stock, Shares Issued	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Preferred Stock, Shares Outstanding	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Treasury Stock, Shares	20,200,000us-gaap_TreasuryStockShares	19,500,000us-gaap_TreasuryStockShares

Face amount or stated value per share of common stock.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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