v3.25.1

Research and Development incentives receivables - Maturities (Details) - EUR (€) € in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | € 132,729 | € 141,252
France |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | 19,456 |
Belgium |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | 113,273 |
Later than one year and not later than two years [member] |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | 33,358 |
Later than one year and not later than two years [member] | France |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | 11,911 |
Later than one year and not later than two years [member] | Belgium |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | 21,447 |
Later than two years and not later than three years [member] |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | 27,062 |
Later than two years and not later than three years [member] | France |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | 5,974 |
Later than two years and not later than three years [member] | Belgium |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | 21,088 |
Later than three years and not later than four years [member] |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | 20,684 |
Later than three years and not later than four years [member] | France |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | 1,571 |
Later than three years and not later than four years [member] | Belgium |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | 19,113 |
Later than four years and not later than five years [member] |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | 17,884 |
Later than four years and not later than five years [member] | Belgium |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | 17,884 |
Later than five years and not later than ten years [member] |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | 33,741 |
Later than five years and not later than ten years [member] | Belgium |  |
Disclosure of financial assets [line items] |  |
Total non-current R&D incentives receivables-discounted value | € 33,741 |

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