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Stock-Based Compensation (Details 2) (USD $)
In Millions
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Amounts recognized in the financial statements        
Stock-based compensation programs expense $ 56 $ 59 $ 172 $ 171
Income tax benefits (15) (19) (56) (55)
Stock-based compensation expenses, net of tax 41 40 116 116
Cost of Sales
       
Amounts recognized in the financial statements        
Stock-based compensation programs expense 6 6 20 20
Selling, general and administrative expenses
       
Amounts recognized in the financial statements        
Stock-based compensation programs expense 44 47 131 129
Research, development and related expenses
       
Amounts recognized in the financial statements        
Stock-based compensation programs expense $ 6 $ 6 $ 21 $ 22