| (in thousands of euros) | Note | December 31, 2024 | December 31, 2023 | 
|---|---|---|---|
| EQUITY AND LIABILITIES | EQUITY AND LIABILITIESNote 
 | ||
| Share capital | Share capitalNote 
 | Share capitalDecember 31, 2024 101,725 | Share capitalDecember 31, 2023 101,725 | 
| Additional paid-in capital | Additional paid-in capitalNote 
 | Additional paid-in capitalDecember 31, 2024 2,189,370 | Additional paid-in capitalDecember 31, 2023 2,243,160 | 
| Statutory reserve | Statutory reserveNote 
 | Statutory reserveDecember 31, 2024 10,172 | Statutory reserveDecember 31, 2023 10,172 | 
| Retained earnings | Retained earningsNote 
 | Retained earningsDecember 31, 2024 11,289 | Retained earningsDecember 31, 2023 11,048 | 
| Equity before net income | Equity before net incomeNote 
 | Equity before net incomeDecember 31, 20242,312,556 | Equity before net incomeDecember 31, 20232,366,105 | 
| Net income for the year | Net income for the yearNote 
 | Net income for the yearDecember 31, 2024 1,895,446 | Net income for the yearDecember 31, 2023 799,821 | 
| Shareholders’ equity | Shareholders’ equityNote 14 | Shareholders’ equityDecember 31, 20244,208,002 | Shareholders’ equityDecember 31, 20233,165,926 | 
| Provisions for liabilities and charges | Provisions for liabilities and chargesNote 15 | Provisions for liabilities and chargesDecember 31, 20241,758 | Provisions for liabilities and chargesDecember 31, 20235,9891212 | 
| Bonds | BondsNote 16 | BondsDecember 31, 2024 – | BondsDecember 31, 2023 600,427 | 
| Bank borrowings and overdrafts | Bank borrowings and overdraftsNote 17 | Bank borrowings and overdraftsDecember 31, 2024 – | Bank borrowings and overdraftsDecember 31, 2023 – | 
| Other financial liabilities | Other financial liabilitiesNote 18 | Other financial liabilitiesDecember 31, 2024 1,738,419 | Other financial liabilitiesDecember 31, 2023 2,120,366 | 
| Trade payables | Trade payablesNote 
 | Trade payablesDecember 31, 2024 3,332 | Trade payablesDecember 31, 2023 3,875 | 
| Tax and social liabilities | Tax and social liabilitiesNote 
 | Tax and social liabilitiesDecember 31, 2024 17,061 | Tax and social liabilitiesDecember 31, 2023 11,853 | 
| Other payables | Other payablesNote 
 | Other payablesDecember 31, 2024 693 | Other payablesDecember 31, 2023 121,586 | 
| Liabilities | LiabilitiesNote 
 | LiabilitiesDecember 31, 20241,759,505 | LiabilitiesDecember 31, 20232,858,107 | 
| Deferred revenue | Deferred revenueNote 
 | Deferred revenueDecember 31, 2024 — | Deferred revenueDecember 31, 2023 — | 
| Unrealized currency translation gains | Unrealized currency translation gainsNote 
 | Unrealized currency translation gainsDecember 31, 2024 — | Unrealized currency translation gainsDecember 31, 2023 — | 
| Total equity and liabilities | Total equity and liabilitiesNote 
 | Total equity and liabilitiesDecember 31, 2024 5,969,265 | Total equity and liabilitiesDecember 31, 2023 6,030,022 |