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Consolidated Condensed Balance Sheets (Unaudited) (Parentheticals) (USD $)
In Millions, except Per Share data, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Allowance for Doubtful Accounts Receivable, Current $ 82 $ 73
Property, Accumulated Depreciation 6,162 6,278
Other Intangibles, Accumulated Amortization $ 252 $ 237
Stockholders' Equity, Number of Shares, Par Value and Other Disclosures [Abstract]    
Common stock, par value $ 1 $ 1
Common stock, shares authorized 250 250
Common stock, shares issued 110 109
Common stock, shares outstanding 78 77
Treasury Stock 32 32