| Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Cash and cash equivalents | 520 | 1,179 | 137 | 263 | 282 |
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| Short-term investments | - | - | 1,046 | 734 | 568 |
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| Total cash, cash equivalents and short-term investments | - | - | 1,182 | 998 | 851 |
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| Accounts Receivable, after Allowance for Credit Loss, Current | 4 | 51 | 33 | 10 | 19 |
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| Inventories | 32 | 39 | 58 | 95 | 108 |
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| Income taxes receivable | - | - | 2 | - | 24 |
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| Grants Receivable, Current | - | - | - | 19 | 20 |
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| Prepaid expenses and other current assets | 6 | 8 | 19 | 9 | 10 |
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| Total current assets | 561 | 1,277 | 1,294 | 1,131 | 1,031 |
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| Property, plant and equipment, net | 502 | 611 | 936 | 1,158 | 1,251 |
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| Operating lease right-of-use assets | - | - | - | 10 | 9 |
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| Inventories | - | - | 6 | 13 | 19 |
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| Intangible assets, net | - | - | - | 9 | 7 |
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| Other non-current assets | 1 | 1 | 2 | 5 | 16 |
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| Total non-current assets | 513 | 613 | 944 | 1,205 | 1,302 |
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| Total assets | 1,074 | 1,890 | 2,238 | 2,336 | 2,334 |
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| Accounts Payable, Current | - | - | - | 28 | 24 |
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| Accrued liabilities | - | - | - | 74 | 65 |
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| Deferred revenue | - | - | - | - | 57 |
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| Other current liabilities | 2 | 4 | 4 | 7 | 19 |
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| Total current liabilities | 43 | 60 | 97 | 109 | 164 |
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| Long-term debt, net | - | - | 678 | 682 | 909 |
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| Deferred revenue | - | - | - | - | 43 |
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| Operating lease liabilities | - | - | - | 7 | 6 |
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| Deferred government grant | - | - | - | 17 | 20 |
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| Deferred investment tax credit | - | - | - | - | 26 |
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| Deferred income taxes | 87 | 105 | 122 | 131 | 85 |
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| Other non-current liabilities | 2 | 7 | 5 | 3 | 26 |
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| Total non-current liabilities | 177 | 821 | 828 | 862 | 1,115 |
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| Total liabilities | 220 | 881 | 925 | 971 | 1,279 |
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| Common Stock, Value, Issued | 0 | 0 | 0 | 0 | 0 |
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| Additional paid-in capital | 916 | 936 | 951 | 980 | 961 |
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| Retained earnings | -63 | 72 | 361 | 386 | 320 |
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| Accumulated other comprehensive income | - | - | 0 | 0 | 0 |
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| Treasury stock, at cost, 15,249,782 and 0 shares, respectively | - | - | - | - | 227 |
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| Total stockholders’ equity | 854 | 1,009 | 1,313 | 1,366 | 1,055 |
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| Total liabilities and stockholders’ equity | 1,074 | 1,890 | 2,238 | 2,336 | 2,334 |
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