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Long-Term Debt - Additional Information (Detail) In Millions, unless otherwise specified | 12 Months Ended |  |  |  | 12 Months Ended |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2013 USD ($) | Dec. 31, 2012 USD ($) | Dec. 31, 2011 USD ($) | Dec. 31, 2013 Medium Term Credit Facilities [Member] USD ($) | Dec. 31, 2013 R & D project in France [Member] USD ($) | Dec. 31, 2013 R & D project in France [Member] EUR (€) | Dec. 31, 2013 R & D projects in Italy [Member] USD ($) | Dec. 31, 2013 R & D projects in Italy [Member] EUR (€) | Dec. 31, 2013 Multi Currency Loan to Support our Industrial and R&D Programs [Member] USD ($) | Dec. 31, 2013 Multi Currency Loan to Support our Industrial and R&D Programs [Member] EUR (€) | Mar. 31, 2013 Multi Currency Loan to Support our Industrial and R&D Programs [Member] EUR (€) | Mar. 12, 2013 Multi Currency Loan to Support our Industrial and R&D Programs [Member] USD ($) | Dec. 31, 2013 European Investment Bank [Member] CreditFacility | Dec. 31, 2013 0.58%, due 2013, floating interest rate at Euribor + 0.40% [Member] | Mar. 31, 2006 0.58%, due 2013, floating interest rate at Euribor + 0.40% [Member] EUR (€) | Dec. 31, 2011 Credit Facilities [Member] EUR (€) Bonds | Dec. 31, 2010 Credit Facilities [Member] EUR (€) Bonds
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Zero coupon unsubordinated convertible bonds, Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 500 |  |
Issue price as percentage of principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 99.873% |  |
Senior bonds, note maturity date |  |  |  |  |  |  |  |  |  |  |  |  |  | Mar. 17, 2013 |  |  |
Coupon rate of Note |  |  |  |  |  |  |  |  |  |  |  |  |  | Three-month Euribor plus 0.40% |  |  |
Number of bonds repurchased |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 76,000 | 74,000
Cash consideration | 166 | 109 | 108 |  |  |  |  |  |  |  |  |  |  |  |  | 107 | 98
Unutilized committed medium term credit facilities |  |  |  | 730 |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit outstanding amount |  |  |  |  |  | 245 |  | 250 |  | 350 | 350 |  |  |  |  |  |
Number of long-term amortizing credit facilities |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  |  |  |
Amount outstanding |  |  |  |  | 97 |  | 163 |  | 401 |  |  |  |  |  |  |  |
Line of credit amount withdrawn |  |  |  |  | $ 341 |  | $ 380 |  | $ 321 | € 100 |  | $ 471 |  |  |  |  |

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- Definition Credit Facility Amount Outstanding + References No definition available. + Details
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- Definition Number Of Debt Instruments Repurchased + References No definition available. + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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