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Consolidated Balance Sheet (Parenthetical) (Unaudited) (USD $)
In Millions, except Per Share data, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Stockholders' equity:    
Common Stock, Shares Authorized 960 960
Common Stock, Par or Stated Value Per Share $ 1 $ 1
Common Stock, Shares Issued 782 718
Treasury Stock, Shares 35 35