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Other information about investments - Additional (Details) - EUR (€) € in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disclosure of detailed information about investments |  |
Non-controlling interest | € 471 | € 82
EniPower Group |  |
Disclosure of detailed information about investments |  |
Proportion of ownership interest in subsidiary (as a percent) | 51.00% |
Proportion of ownership interest in subsidiary held by non-controlling interests (as a percent) | 49.00% |
EniPower SpA |  |
Disclosure of detailed information about investments |  |
Proportion of ownership interest in subsidiary held by non-controlling interests (as a percent) | 49.00% |
Gains on disposals of subsidiary | € 542 |

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