Earnings (loss) per share (Details) - EUR (€) € / shares in Units, € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Earnings (loss) per share | |||
| Weighted average number of shares used for basic earnings per share | 3,024,753,353 | 3,167,006,396 | 3,303,766,512 |
| Potential shares to be issued for ILT incentive plan | 6,350,799 | 6,369,161 | 6,352,583 |
| Potential shares to be issued for Sustainability-linked bond | 56,975,836 | 56,975,836 | 17,014,702 |
| Weighted average number of shares used for diluted earnings per share | 3,088,079,988 | 3,230,351,393 | 3,327,133,797 |
| Profit (loss) attributable to Eni | € 2,608 | € 2,624 | € 4,771 |
| Remuneration of subordinated perpetual bonds net of tax effect | (237) | (132) | (109) |
| Eni's profit for basic earnings per share | 2,371 | 2,492 | 4,662 |
| Remuneration of Sustainability-linked bond net of tax effect | 31 | 31 | 9 |
| Eni's profit for diluted earnings per share | € 2,402 | € 2,523 | € 4,671 |
| Basic earnings per share | € 0.78 | € 0.79 | € 1.41 |
| Diluted earnings per share | € 0.78 | € 0.78 | € 1.4 |
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- Definition The adjustment to reconcile profit (loss) attributable to the parent entity to the numerator used in calculating earnings (loss) per share, resulting from remuneration on sustainability-linked bonds, net of tax. No definition available.
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- Definition The adjustment to reconcile profit (loss) attributable to the parent entity to the numerator used in calculating earnings (loss) per share, resulting from remuneration on subordinated perpetual bonds, net of tax. No definition available.
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- Definition The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The potential dilutive effect on the weighted average number of ordinary shares that relate to the assumed conversion of the entity's convertible instruments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The potential dilutive effect on the weighted average number of ordinary shares that relate to the assumed exercise of the entity's share options. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition The profit (loss) attributable to ordinary equity holders of the parent entity. [Refer: Profit (loss)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The profit (loss) attributable to ordinary equity holders of the parent entity, adjusted for the effects of all dilutive potential ordinary shares. [Refer: Profit (loss)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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