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Stock-Based Compensation (Details 2) (USD $)
In Millions
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Amounts recognized in the financial statements    
Stock-based compensation programs expense$ 38$ 57$ 210$ 228
Income tax benefits(12)(13)(68)(68)
Stock-based compensation expenses, net of tax2644142160
Cost of Sales
    
Amounts recognized in the financial statements    
Stock-based compensation programs expense562526
Selling, general and administrative expenses
    
Amounts recognized in the financial statements    
Stock-based compensation programs expense2845159174
Research, development and related expenses
    
Amounts recognized in the financial statements    
Stock-based compensation programs expense$ 5$ 6$ 26$ 28