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Note 8: Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2011
Notes to Condensed Consolidated Financial Statements [Abstract] 
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Text Block]
(Dollars in millions) Balance Sheet Asset Location September 30, 2011 December 31, 2010
          
Derivatives designated as hedging instruments:        
 Foreign Exchange Contracts Other assets, current $ 38 $ 73
 Foreign Exchange Contracts Other assets   1   24
       39   97
          
Derivatives not designated as hedging instruments:        
 Foreign Exchange Contracts Other assets, current   58   31
 Foreign Exchange Contracts Other assets   4   5
       62   36
          
Total Asset Derivative Contracts    $ 101 $ 133
          
   Balance Sheet Liability Location      
Derivatives designated as hedging instruments:        
 Foreign Exchange Contracts Accrued liabilities $ 62 $ 16
 Foreign Exchange Contracts Other long-term liabilities   46   1
       108   17
          
Derivatives not designated as hedging instruments:        
 Foreign Exchange Contracts Accrued liabilities   74   33
 Foreign Exchange Contracts Other long-term liabilities   1   3
       75   36
          
Total Liability Derivative Contracts    $ 183 $ 53
Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Text Block]
    Quarter Ended September 30, Nine Months Ended September 30,
(Dollars in millions) 2011 2010 2011 2010
(Loss) gain recorded in Accumulated other comprehensive loss $ (125) $ 63 $ (25) $ 44
Gain reclassified from Accumulated other comprehensive loss into Product sales (effective portion) $ 17 $ 35 $ 93 $ 76
               
Schedule of Foreign Exchange Contracts Not Designated as Hedges, Gain (Loss) In Statement of Financial Performance [TextBlock]
    Quarter Ended September 30, Nine Months Ended September 30,
(Dollars in millions)  2011  2010  2011  2010
(Loss) gain recognized in Other income (expense), net  $ (51) $ 107 $ (23) $ 131
               
Fair Value, Measurement Inputs, Disclosure [Text Block]
(Dollars in millions) Total Carrying Value at September 30, 2011 Quoted price in active markets (Level 1) Significant other observable inputs (Level 2) Unobservable inputs (Level 3)
Available-for-sale securities $ 808 $ 808 $ - $ -
Derivative assets   101   -   101   -
Derivative liabilities   183   -   183   -
             
(Dollars in millions) Total Carrying Value at December 31, 2010 Quoted price in active markets (Level 1) Significant other observable inputs (Level 2) Unobservable inputs (Level 3)
Available-for-sale securities $ 829 $ 829 $ - $ -
Derivative assets   133   -   133   -
Derivative liabilities   53   -   53   -
Fair Value, by Balance Sheet Grouping [Text Block]
   September 30, 2011 December 31, 2010
(Dollars in millions) Carrying Amount Fair Value Carrying Amount Fair Value
Long-term receivables $ 276 $ 265 $ 300 $ 276
Customer financing notes receivable   335   326   376   346
Long-term debt (excluding capitalized leases)   (10,079)   (12,045)   (10,117)   (11,500)