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Long-Term Debt (Tables) | 12 Months Ended
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Dec. 31, 2022
Debt Disclosure [Abstract] |
Long-Term Debt | Long-term debt consisted of the following:
|  | December 31, |  |  | December 31, |
|  | 2022 |  |  | 2021 |
Funding program loans from European Investment Bank ("EIB"): |  |  |  |  |  |  |  |
2.67% due 2028, floating interest rate at Euribor + 0.589% |  |  | 163 |  |  |  | 202 |
1.20% due 2029, floating interest rate at Euribor + 0.564% |  |  | 183 |  |  |  | 222 |
1.31% due 2031, floating interest rate at Euribor + 0.583% |  |  | 322 |  |  |  | 379 |
0.89% due 2031, floating interest rate at Euribor + 0.660% |  |  | 159 |  |  |  | 187 |
Credit Facility from Cassa Depositi e Prestiti SpA ("CDP") |  |  |  |  |  |  |  |
3.15% due 2027, floating interest rate at Euribor + 0.690% |  |  | 120 |  |  |  | 156 |
1.85% due 2027, floating interest rate at Euribor + 0.550% |  |  | 107 |  |  |  | — |
2.15% due 2027, floating interest rate at Euribor + 0.850% |  |  | 107 |  |  |  | — |
Dual tranche senior unsecured convertible bonds |  |  |  |  |  |  |  |
Zero-coupon, due 2025 (Tranche A) |  |  | 748 |  |  |  | 713 |
Zero-coupon, due 2027 (Tranche B) |  |  | 747 |  |  |  | 674 |
Finance leases: |  |  |  |  |  |  |  |
3.86% due 2027, fixed interest rate |  |  | 38 |  |  |  | — |
3.78% due 2042, fixed interest rate |  |  | 19 |  |  |  | — |
Other funding program loans: |  |  |  |  |  |  |  |
0.32% (weighted average), due 2023-2028, fixed interest rate |  |  | 4 |  |  |  | 6 |
Total long-term debt |  |  | 2,717 |  |  |  | 2,539 |
Less current portion |  |  | (175 | ) |  |  | (143 | )
Total long-term debt, less current portion |  |  | 2,542 |  |  |  | 2,396 |
Long-Term Debt Denominated by Currencies | Long-term debt is denominated in the following currencies:
|  | December 31, 2022 |  |  | December 31, 2021 |
U.S. dollar |  |  | 1,495 |  |  |  | 1,387 |
Euro |  |  | 1,222 |  |  |  | 1,152 |
Total |  |  | 2,717 |  |  |  | 2,539 |
Total Long-Term Debt Outstanding Maturities | Aggregate future maturities of total long-term debt (including current portion) at principal amount are as follows:
|  | December 31, |
|  | 2022 |
2023 |  |  | 175 |
2024 |  |  | 172 |
2025 |  |  | 922 |
2026 |  |  | 172 |
2027 |  |  | 908 |
Thereafter |  |  | 373 |
Total |  |  | 2,722 |

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