| 2017年 12月31日 | 2018年 12月31日 | 2019年 12月31日 | 2020年 12月31日 |
|---|
| Cash and cash equivalents | 480 | 286 | 178 | 452 |
|---|
| Trade and other receivables | 78 | 81 | 75 | 73 |
|---|
| Inventories | 169 | 138 | 163 | 176 |
|---|
| Current assets | 738 | 515 | 436 | 766 |
|---|
| Restricted cash | - | 13 | 3 | 2 |
|---|
| Other assets | - | - | - | 3 |
|---|
| Goodwill | 93 | 93 | 93 | 93 |
|---|
| Assets held for sale | 5,090 | 4,629 | 4,649 | 4,899 |
|---|
| Trade and other current payables | 111 | 141 | 139 | 179 |
|---|
| Current lease liabilities | - | - | 10 | 11 |
|---|
| Asset retirement obligations current | 3 | 1 | 2 | 5 |
|---|
| Liabilities associated with assets held for sale | - | - | 4 | - |
|---|
| Current liabilities | 114 | 142 | 222 | 262 |
|---|
| Debt | 594 | 596 | 413 | 434 |
|---|
| Lease liabilities | - | - | 15 | 15 |
|---|
| Employee benefit plan obligations | 14 | 14 | 18 | 22 |
|---|
| Asset retirement obligations | - | - | 94 | 107 |
|---|
| Deferred tax liabilities | 549 | 430 | 413 | 403 |
|---|
| Total liabilities | 1,367 | 1,282 | 1,175 | 1,243 |
|---|
| Share capital | 3,008 | 3,008 | 3,055 | 3,145 |
|---|
| Treasury stock | 11 | 10 | 9 | 11 |
|---|
| Contributed surplus | 2,617 | 2,621 | 2,627 | 2,638 |
|---|
| Accumulated other comprehensive income | -21 | -24 | -29 | -30 |
|---|
| Deficit | -1,949 | -2,310 | -2,230 | -2,125 |
|---|
| Total equity attributable to shareholders of the Company | 3,644 | 3,284 | 3,415 | 3,616 |
|---|
| Non-controlling interests | 80 | 63 | 59 | 41 |
|---|
| Total equity | 3,723 | 3,347 | 3,474 | 3,656 |
|---|
| Total liabilities and equity | 5,090 | 4,629 | 4,649 | 4,899 |
|---|