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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)

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- Definition Other income and expenses, net. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration