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CONSOLIDATED BALANCE SHEET (Parenthetical) (USD $)
In Millions, except Per Share data, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
CONSOLIDATED BALANCE SHEET    
Common stock, shares authorized 800.0us-gaap_CommonStockSharesAuthorized 800.0us-gaap_CommonStockSharesAuthorized
Common stock, par value per share (in dollars per share) $ 1.00us-gaap_CommonStockParOrStatedValuePerShare $ 1.00us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares outstanding 299.9us-gaap_CommonStockSharesOutstanding 301.1us-gaap_CommonStockSharesOutstanding