3.3. Other income and expenses
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| 2016 | 2015 | |
|---|---|---|
| Compensations, penalties, and fines received | 45 | 36 |
| Exchange differences related to operating activities | 128 | (94) |
| Valuation and realisation of derivative financial instruments | (165) | 43 |
| Change in inventory write-downs | 182 | (194) |
| Change in impairment losses on trade and other receivables | (20) | 37 |
| Change in provision for well decommissioning costs | (14) | 134 |
| Change in provision for certificates of origin and energy efficiency certificates | (112) | (184) |
| Change in other provisions | (2) | 18 |
| Other income and costs | (374) | (311) |
| Total other income and expenses | (332) | (515) |
