| Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 |
|---|
| Cash and deposits | - | 658 | 847 | 2,234 | 2,658 | 3,187 |
|---|
| Accounts receivable - trade | - | 39 | 95 | 89 | 111 | 166 |
|---|
| Inventories | - | - | - | 0 | 1 | 0 |
|---|
| Advance payments to suppliers | - | 13 | 3 | 2 | 11 | 18 |
|---|
| Prepaid expenses | - | 10 | 24 | 37 | 47 | 61 |
|---|
| Other | - | 3 | 1 | 2 | 0 | 3 |
|---|
| Current assets | - | 723 | 971 | 2,363 | 2,828 | 3,435 |
|---|
| Buildings | - | 4 | 81 | 89 | 89 | 161 |
|---|
| Accumulated depreciation | - | -0 | -4 | -10 | -16 | -28 |
|---|
| Buildings, net | - | 4 | 77 | 79 | 72 | 134 |
|---|
| Tools, furniture and fixtures | - | - | 10 | 11 | 23 | 45 |
|---|
| Accumulated depreciation | - | - | -1 | -3 | -7 | -19 |
|---|
| Tools, furniture and fixtures, net | - | - | 9 | 8 | 16 | 26 |
|---|
| Property, plant and equipment | - | 4 | 85 | 87 | 89 | 160 |
|---|
| Software | - | 0 | 75 | 121 | 96 | 275 |
|---|
| Software in progress | - | 35 | 3 | 25 | 117 | 6 |
|---|
| Intangible assets | - | 38 | 78 | 146 | 214 | 281 |
|---|
| Investment securities | - | - | - | - | 9 | 68 |
|---|
| Long-term prepaid expenses | - | - | - | - | - | 1 |
|---|
| Deferred tax assets | - | 8 | 26 | 21 | 51 | 50 |
|---|
| Leasehold and guarantee deposits | - | 109 | 133 | 128 | 126 | 196 |
|---|
| Investments and other assets | - | 121 | 159 | 150 | 186 | 315 |
|---|
| Non-current assets | - | 163 | 323 | 383 | 489 | 755 |
|---|
| Assets | - | 886 | 1,294 | 2,746 | 3,316 | 4,190 |
|---|
| Accounts payable - trade | - | 25 | 39 | 61 | 58 | 42 |
|---|
| Short-term borrowings | - | 50 | 60 | - | - | 100 |
|---|
| Current portion of long-term borrowings | - | 210 | 225 | 52 | 32 | - |
|---|
| Accounts payable - other | - | 45 | 57 | 98 | 178 | 144 |
|---|
| Accrued expenses | - | 7 | 16 | 18 | 27 | 34 |
|---|
| Income taxes payable | - | 11 | 12 | 131 | 136 | 193 |
|---|
| Contract liabilities | - | - | - | - | 356 | 507 |
|---|
| Deposits received | - | 11 | 20 | 15 | 11 | 16 |
|---|
| Provision for bonuses | - | 0 | 0 | 2 | 11 | 8 |
|---|
| Other | - | 11 | 23 | 79 | 73 | 91 |
|---|
| Current liabilities | - | 533 | 638 | 666 | 882 | 1,134 |
|---|
| Long-term borrowings | - | 303 | 537 | 231 | 139 | - |
|---|
| Non-current liabilities | - | 303 | 537 | 231 | 139 | - |
|---|
| Liabilities | - | 836 | 1,175 | 897 | 1,021 | 1,134 |
|---|
| Share capital | - | 1 | 1 | 732 | 10 | 43 |
|---|
| Legal capital surplus | - | - | - | 731 | 731 | 765 |
|---|
| Other capital surplus | - | - | - | - | 722 | 722 |
|---|
| Capital surplus | - | - | - | 731 | 1,453 | 1,487 |
|---|
| Retained earnings brought forward | - | 49 | 118 | 386 | 832 | 1,526 |
|---|
| Retained earnings | - | 49 | 118 | 386 | 832 | 1,526 |
|---|
| Treasury shares | - | - | - | -0 | -0 | -0 |
|---|
| Shareholders' equity | - | 50 | 119 | 1,849 | 2,295 | 3,056 |
|---|
| Valuation difference on available-for-sale securities | - | - | - | - | - | 0 |
|---|
| Valuation and translation adjustments | - | - | - | - | - | 0 |
|---|
| Net assets | 51 | 50 | 119 | 1,849 | 2,295 | 3,056 |
|---|
| Liabilities and net assets | - | 886 | 1,294 | 2,746 | 3,316 | 4,190 |
|---|