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Investments - Additional information (Details) - EUR (€) € in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Investments |  |  |
Additions and subscriptions | € 1,213 | € 1,607 |
Share of loss of equity-accounted investments | 281 | 285 |
Deduction for dividends | € 2,000 | 1,194 |
Percentage of reasonable changes in cost of capital | 1.00% |  |
Other investments | € 1,256 | 1,202 | € 1,294
Share of profit of equity-accounted investments | 1,622 | 2,163 |
Change in the scope of consolidation | (211) | (1,827) |
Other changes | € 607 | 6,220 |
North Field East project (NFE) |  |  |
Investments |  |  |
Proportion of ownership interest acquired | 3.125% |  |
Nigeria LNG Ltd |  |  |
Investments |  |  |
Other investments | € 642 | 668 |
Saudi European Petrochemical Co |  |  |
Investments |  |  |
Other investments | 121 | 108 |
Darwin LNG Pty Ltd |  |  |
Investments |  |  |
Other investments | € 78 | € 71 |
QatarEnergy LNG NFE (5) [member] | North Field East project (NFE) |  |  |
Investments |  |  |
Proportion of ownership interest acquired | 12.50% |  |
Novamont group |  |  |
Investments |  |  |
Change in the scope of consolidation | € 227 |  |
Snam Group [Member] | SeaCorridor Srl |  |  |
Investments |  |  |
Proportion of ownership interest in joint venture |  | 50.10% |
Equity interest disposed (as a percent) | 49.90% |  |
Associates | QatarEnergy LNG NFE (5) [member] |  |  |
Investments |  |  |
Additions and subscriptions | € 154 |  |
Proportion of ownership interest acquired | 25.00% |  |
Associates | Abu Dhabi Oil Refining Co (Takreer) |  |  |
Investments |  |  |
Deduction for dividends | € 277 |  |
Share of profit of equity-accounted investments | 296 |  |
Associates | Var Energi ASA |  |  |
Investments |  |  |
Deduction for dividends | 640 |  |
Share of profit of equity-accounted investments | 356 |  |
Difference amount between market capitalization of investee and book value of corresponding fraction of net equity | 4,058 |  |
Associates | ADNOC Global Trading Ltd |  |  |
Investments |  |  |
Deduction for dividends | 129 |  |
Share of profit of equity-accounted investments | 120 |  |
Associates | Coral FLNG SA |  |  |
Investments |  |  |
Share of loss of equity-accounted investments | € 40 |  |
Joint ventures | SeaCorridor Srl |  |  |
Investments |  |  |
Proportion of ownership interest in joint venture | 50.10% |  |
Deduction for dividends | € 95 |  |
Share of profit of equity-accounted investments | 49 |  |
Other changes | 580 |  |
Capital gains from the fair value measurement of the business combination | 414 |  |
Joint ventures | Saipem SpA |  |  |
Investments |  |  |
Share of profit of equity-accounted investments | 56 |  |
Difference amount between market capitalization of investee and book value of corresponding fraction of net equity | 193 |  |
Joint ventures | Mozambique Rovuma Venture SpA |  |  |
Investments |  |  |
Share of profit of equity-accounted investments | € 47 |  |
Joint ventures | Doggerbank Offshore Wind Farm Project 3 Holdco Ltd |  |  |
Investments |  |  |
Proportion of ownership interest acquired | 20.00% |  |
Joint ventures | Vårgrønn AS |  |  |
Investments |  |  |
Additions and subscriptions | € 42 |  |
Share of loss of equity-accounted investments | € 50 |  |
Proportion of ownership interest in joint venture | 65.00% |  |
Joint ventures | Azule Energy Holdings Ltd |  |  |
Investments |  |  |
Deduction for dividends | € 829 |  |
Share of profit of equity-accounted investments | 653 |  |
Joint ventures | St. Bernard Renewables Llc |  |  |
Investments |  |  |
Additions and subscriptions | € 882 |  |
Proportion of ownership interest acquired | 50.00% |  |
Share of loss of equity-accounted investments | € 42 |  |

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