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Long-Term Debt - Long-Term Debt (Detail) - USD ($) $ in Millions | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Debt Instrument [Line Items] |  |
Total long-term debt | $ 1,451 | $ 1,612
Less current portion | (117) | (191)
Total long-term debt, less current portion | 1,334 | 1,421
0.38% due 2016, floating interest rate at Libor + 0.052% [Member] |  |
Debt Instrument [Line Items] |  |
Funding program loans from European Investment Bank |  | 19
1.10% due 2016, floating interest rate at Libor + 0.477% [Member] |  |
Debt Instrument [Line Items] |  |
Funding program loans from European Investment Bank |  | 26
1.01% due 2016, floating interest rate at Libor + 0.373% [Member] |  |
Debt Instrument [Line Items] |  |
Funding program loans from European Investment Bank |  | 29
2.08% due 2020, floating interest rate at Libor + 1.199% [Member] |  |
Debt Instrument [Line Items] |  |
Funding program loans from European Investment Bank | 50 | 63
2.00% due 2020, floating interest rate at Libor + 1.056% [Member] |  |
Debt Instrument [Line Items] |  |
Funding program loans from European Investment Bank | 110 | 138
0.60% due 2020, floating interest rate at Euribor + 0.917% [Member] |  |
Debt Instrument [Line Items] |  |
Funding program loans from European Investment Bank | 53 | 68
1.79% due 2021, floating interest rate at Libor + 0.525% [Member] |  |
Debt Instrument [Line Items] |  |
Funding program loans from European Investment Bank | 150 | 180
1.86% due 2021, floating interest rate at Libor + 0.572% [Member] |  |
Debt Instrument [Line Items] |  |
Funding program loans from European Investment Bank | 144 | 173
Zero Coupon due 2019 (Tranche A) [Member] | Senior Unsecured Convertible Bonds [Member] |  |
Debt Instrument [Line Items] |  |
Senior unsecured convertible bonds | 564 | 550
1.0% due 2021 (Tranche B) [Member] | Senior Unsecured Convertible Bonds [Member] |  |
Debt Instrument [Line Items] |  |
Senior unsecured convertible bonds | 362 | 354
0.32% (weighted average), due 2017-2023, fixed interest rate [Member] |  |
Debt Instrument [Line Items] |  |
Other Loans Payable | 14 | 4
1.95% (weighted average), due 2017, fixed interest rate [Member] |  |
Debt Instrument [Line Items] |  |
Other Loans Payable | 1 | 4
0.82% (weighted average), due 2018, fixed interest rate [Member] |  |
Debt Instrument [Line Items] |  |
Other Loans Payable | 1 | 1
0.87% (weighted average), due 2020, fixed interest rate [Member] |  |
Debt Instrument [Line Items] |  |
Other Loans Payable | 2 | 2
20.80% (weighted average), due 2020, fixed interest rate [Member] |  |
Debt Instrument [Line Items] |  |
Capital Lease | $ 0 | $ 1

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