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Assets held for sale and liabilities directly associated with assets held for sale (Details) - EUR (€) € in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Assets held for sale and liabilities directly associated with assets held for sale |  |
Assets held for sale | € 264 | € 263
Liabilities held for sale | 108 | € 124
Eni AEP Ltd, Eni Pakistan Ltd, Eni Pakistan (M) Ltd Srl and Eni New Energy Pakistan (Private) Ltd. [Member] |  |
Assets held for sale and liabilities directly associated with assets held for sale |  |
Assets held for sale | 211 |
Liabilities held for sale | 98 |
Assets held for sale, current | 72 |
Liabilities held for sale, current | 86 |
Gas Distribution Company of Thessaloniki Thessaly SA | Italgas Group |  |
Assets held for sale and liabilities directly associated with assets held for sale |  |
Assets held for sale | 165 |
Capital gain on disposal of investment | € 30 |
Assets held for sale | Eni Corridor Srl |  |
Assets held for sale and liabilities directly associated with assets held for sale |  |
Equity interest disposed (as a percent) | 49.90% |

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