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Shareholders' equity (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Share capital | € 4,005 | € 4,005
Retained earnings | 36,702 | 35,966
Cumulative currency translation differences | 6,605 | 4,818
Legal reserve | 959 | 959
Reserve for treasury shares | 581 | 581
Reserve related to the fair value of cash flow hedging derivatives net of the tax effect | (9) | 183
Reserve related to the defined benefit plans net of tax effect | (130) | (114)
Other comprehensive income on equity-accounted investments | 66 | 90
Other comprehensive income on ther investments | 15 |
Other reserves | 1,672 | 1,889
Treasury shares | (581) | (581)
Interim dividend | (1,513) | (1,441)
Net profit (loss) for the year | 4,126 | 3,374
Total Eni shareholders' equity | € 51,016 | 48,030
Miscellaneous other reserves [member] |  |
Other reserves |  | € 190

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