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Income (expense) from investments - Additional information (Details) - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Other gain (loss) from investments |  |  |
Dividend income | € 351 | € 230 | € 150
Nigeria LNG Ltd |  |  |
Other gain (loss) from investments |  |  |
Dividend income | 247 | 144 | 113
Saudi European Petrochemical Co |  |  |
Other gain (loss) from investments |  |  |
Dividend income | 77 | € 54 | € 28
Var Energi ASA |  |  |
Other gain (loss) from investments |  |  |
Capital gains realized from listing on Stock Exchange | 448 |  |
Azule Energy Holdings Ltd |  |  |
Other gain (loss) from investments |  |  |
Capital gains from the fair value measurement of the business combination | 2,542 |  |
Realized exchange differences on translation from the business combination | € 764 |  |

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