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Other Income and Expenses, Net - Other Income and Expense, Net (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Component of Operating Other Cost and Expense [Line Items]      
Other income and expenses, net $ 91 $ 109 $ 90
Research and development funding [Member]
      
Component of Operating Other Cost and Expense [Line Items]      
Other income and expenses, net 102 128 106
Phase-out and start-up costs [Member]
      
Component of Operating Other Cost and Expense [Line Items]      
Other income and expenses, net   (8) (15)
Exchange gain, net [Member]
      
Component of Operating Other Cost and Expense [Line Items]      
Other income and expenses, net 5 8 11
Patent costs [Member]
      
Component of Operating Other Cost and Expense [Line Items]      
Other income and expenses, net (20) (28) (12)
Gain on sale of non-current assets [Member]
      
Component of Operating Other Cost and Expense [Line Items]      
Other income and expenses, net 9 15 4
Other, net [Member]
      
Component of Operating Other Cost and Expense [Line Items]      
Other income and expenses, net $ (5) $ (6) $ (4)