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Equity (Details) - EUR (€) € in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Equity |  |
Share capital | € 4,005 | € 4,005
Retained earnings | 34,043 | 35,894
Cumulative currency translation differences | 3,895 | 7,209
Perpetual subordinated bonds | 3,000 |
Legal reserve | 959 | 959
Reserve for treasury shares | 581 | 981
Reserve for OCI on cash flow hedging derivatives net of the tax effect | (5) | (465)
Reserve for OCI on defined benefit plans net of tax effect | (165) | (173)
Reserve for OCI on equity-accounted investments | 92 | 60
Reserve for OCI on other investments valued at fair value | 36 | 12
Other reserves | 190 | 190
Treasury shares | (581) | (981)
Net profit (loss) for the year | (8,635) | 148
Equity attributable to equity holders of Eni | € 37,415 | € 47,839

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