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Shareholders' equity (Details) - EUR (€) € in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Shareholders' equity |  |
Share capital | € 4,005 | € 4,005
Retained earnings | 37,436 | 36,702
Cumulative currency translation differences | 7,209 | 6,605
Legal reserve | 959 | 959
Reserve for treasury shares | 981 | 581
Reserve related to the fair value of cash flow hedging derivatives net of the tax effect | (465) | (9)
Reserve related to the defined benefit plans net of tax effect | (173) | (130)
Other comprehensive income on equity-accounted investments | 60 | 66
Other comprehensive income on other investments | 12 | 15
Other reserves | 190 | 190
Treasury shares | (981) | (581)
Interim dividend | (1,542) | (1,513)
Net profit (loss) for the year | 148 | 4,126
Total Eni shareholders' equity | € 47,839 | € 51,016

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- Definition A component of equity representing the reserve for the redemption of the entity's own shares. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard -URIDate 2019-03-27 + Details
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