| Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 |
|---|
| Profit (loss) before income taxes | -124 | 59 | 109 | -504 | -1,031 | -453 |
|---|
| Depreciation | 15 | 15 | 19 | 24 | 122 | 163 |
|---|
| Increase (decrease) in allowance for doubtful accounts | 1 | -2 | - | - | 0 | -0 |
|---|
| Interest and dividend income | -0 | -0 | -0 | -0 | -0 | -0 |
|---|
| Interest expenses | 6 | 6 | 5 | 4 | 7 | 8 |
|---|
| Loss (gain) on sale and retirement of property, plant and equipment | - | - | -2 | 0 | 1 | - |
|---|
| Loss (gain) on sale of businesses | - | - | - | - | -132 | - |
|---|
| Decrease (increase) in trade receivables | -89 | -66 | -59 | -35 | -78 | -93 |
|---|
| Increase (decrease) in accounts payable - other | - | - | - | - | 74 | -55 |
|---|
| Increase/decrease in consumption taxes payable/consumption taxes refund receivable | - | - | 31 | -114 | 40 | 122 |
|---|
| Other, net | - | -2 | 15 | 61 | 12 | -8 |
|---|
| Subtotal | -90 | 27 | 137 | -484 | -988 | -315 |
|---|
| Interest and dividends received | 0 | 0 | 0 | 0 | 0 | 0 |
|---|
| Interest paid | -6 | -6 | -5 | -8 | -7 | -9 |
|---|
| Income taxes paid | -1 | -1 | -1 | -1 | -5 | -7 |
|---|
| Net cash provided by (used in) operating activities | -97 | 21 | 130 | -493 | -1,001 | -331 |
|---|
| Payments into time deposits | -3 | -1 | -1 | -1 | -0 | - |
|---|
| Proceeds from withdrawal of time deposits | 2 | 4 | 40 | - | 6 | - |
|---|
| Purchase of property, plant and equipment | - | -17 | -31 | -28 | -258 | -13 |
|---|
| Proceeds from sale of property, plant and equipment | - | - | 7 | 0 | 0 | - |
|---|
| Purchase of intangible assets | - | - | - | -334 | -450 | -69 |
|---|
| Payments for asset retirement obligations | - | - | - | - | -17 | - |
|---|
| Payments of leasehold and guarantee deposits | - | - | -2 | -248 | -2 | -3 |
|---|
| Proceeds from refund of leasehold and guarantee deposits | - | - | - | - | 13 | 0 |
|---|
| Proceeds from sale of businesses | - | - | - | - | 200 | - |
|---|
| Other, net | -0 | -3 | 0 | 0 | - | 0 |
|---|
| Net cash provided by (used in) investing activities | -0 | -17 | 13 | -610 | -509 | -85 |
|---|
| Net increase (decrease) in short-term borrowings | - | - | 3 | - | - | 150 |
|---|
| Repayments of long-term borrowings | -67 | -42 | -106 | -88 | -65 | -94 |
|---|
| Proceeds from long-term borrowings | - | - | 100 | - | 330 | - |
|---|
| Proceeds from issuance of shares resulting from exercise of share acquisition rights | - | - | - | 65 | 99 | 164 |
|---|
| Purchase of treasury shares | - | - | -41 | -0 | -0 | -0 |
|---|
| Repayments of lease liabilities | - | - | - | - | -2 | -3 |
|---|
| Net cash provided by (used in) financing activities | 262 | -6 | -44 | 4,830 | 363 | 218 |
|---|
| Net increase (decrease) in cash and cash equivalents | 164 | -3 | 99 | 3,726 | -1,146 | -199 |
|---|