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Other Gains / (Losses) - Net (Tables) | 12 Months Ended
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Dec. 31, 2017
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Summary of Other Gains/(Losses) Net |
(in millions of Euros) |  | Notes |  | Year ended December 31, 2017 |  |  | Year ended December 31, 2016 |  |  | Year ended December 31, 2015 |
Realized gains/( losses) on derivatives(A) |  | 22 |  |  | — |  |  |  | (62 | ) |  |  | (93 | )
Unrealized gains / (losses) on derivatives at fair value through profit and loss—net (A) |  | 3 |  |  | 57 |  |  |  | 71 |  |  |  | (20 | )
Unrealized exchange (losses) /gains from the remeasurement of monetary assets and liabilities—net |  | 3 |  |  | (4 | ) |  |  | 3 |  |  |  | (3 | )
Gains / (losses) on pension plan amendments |  | 23 |  |  | 20 |  |  |  | — |  |  |  | (5 | )
Losses on disposal |  |  |  |  | (3 | ) |  |  | (10 | ) |  |  | (5 | )
Wise purchase price adjustment (B) |  | 3 |  |  | — |  |  |  | 20 |  |  |  | — |
Wise acquisition costs |  |  |  |  | — |  |  |  | — |  |  |  | (5 | )
Other |  |  |  |  | — |  |  |  | (1 | ) |  |  | — |
Total other gains / (losses)—net |  |  |  |  | 70 |  |  |  | 21 |  |  |  | (131 | )
(A) | Realized gains/(losses) are related to derivatives entered into with the purpose of mitigating exposure to volatility in foreign currency and commodity price. Unrealized gains and losses are related to derivatives that do not qualify for hedge accounting.
(B) | The contractual price adjustment relating to the acquisition of Wise Metals Intermediate Holdings was finalized in 2016. We received a cash payment of €21 million and recorded €20 million gain net of costs.

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