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Equity (Details) - EUR (€) € in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Equity |  |
Share capital | € 4,005 | € 4,005
Retained earnings | 32,988 | 23,455
Cumulative currency translation differences | 5,238 | 7,564
Other reserves and equity instruments: |  |
Perpetual subordinated bonds | 5,000 | 5,000
Legal reserve | 959 | 959
Reserve for treasury shares | 2,333 | 2,937
Reserve for OCI on cash flow hedging derivatives net of tax effect | 36 | (342)
Reserve for OCI on defined benefit plans net of tax effect | (88) | (58)
Reserve for OCI on equity-accounted investments | 98 | 46
Reserve for OCI on other investments valued at fair value | 98 | 53
Reserve for convertible bond issue | 79 |
Other reserves |  | 190
Treasury shares | (2,333) | (2,937)
Profit for the year | 4,771 | 13,887
Equity attributable to equity holders of Eni | € 53,184 | € 54,759

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