| As at December 31, 2021 | As at December 31, 2020 | |
| OTHER NON-CURRENT LIABILITIES | ||
| Liabilities related to a contract | 132 | 64 |
| Estimated liabilities due to Voluntary Leave Programs | 1 | 1 |
| TOTAL OTHER NON-CURRENT LIABILITIES | 133 | 65 |
24.1 Other non-current non-financial liabilities