| Cover | 3 Months Ended |
| Mar. 31, 2024 | |
| Cover [Abstract] | |
| Document Type | 6-K |
| Entity Registrant Name | VALNEVA SE |
| Entity Central Index Key | 0001836564 |
| Amendment Flag | false |
| Document Fiscal Year Focus | 2024 |
| Document Fiscal Period Focus | Q1 |
| Current Fiscal Year End Date | --12-31 |
| Document Period End Date | Mar. 31, 2024 |
| Unaudited Interim Condensed Consolidated Statements of Income (Loss) - EUR (€) € in Thousands | 3 Months Ended | |
| Mar. 31, 2024 | Mar. 31, 2023 | |
| Profit or loss [abstract] | ||
| Product sales | € 32,149 | € 32,100 |
| Other revenues | 604 | 1,408 |
| REVENUES | 32,753 | 33,508 |
| Cost of goods and services | (22,160) | (20,480) |
| Research and development expenses | (13,131) | (14,065) |
| Marketing and distribution expenses | (11,333) | (8,986) |
| General and administrative expenses | (11,670) | (10,038) |
| Gain from sale of Priority Review Voucher, net | 90,833 | 0 |
| Other income and expenses, net | 2,917 | 3,488 |
| OPERATING PROFIT/(LOSS) | 68,208 | (16,574) |
| Finance income | 266 | 253 |
| Finance expenses | (7,045) | (5,096) |
| Foreign exchange gain/(loss), net | (2,512) | 3,170 |
| PROFIT/(LOSS) BEFORE INCOME TAX | 58,918 | (18,247) |
| Income tax benefit/(expense) | (8) | 120 |
| PROFIT/(LOSS) FOR THE PERIOD | € 58,909 | € (18,127) |
| Earnings/(losses) per share for profit/(loss) for the period attributable to the equity holders of the Company (expressed in € per share) | ||
| Basic earnings (losses) per share for profit/(loss) for the period attributable to the equity holders of the Company (in euro per share) | € 0.42 | € (0.13) |
| Diluted earnings (losses) per share for profit/(loss) for the period attributable to the equity holders of the Company (in euro per share) | € 0.41 | € (0.13) |
| Unaudited Interim Condensed Consolidated Statements of Comprehensive Income (Loss) - EUR (€) € in Thousands | 3 Months Ended | |
| Mar. 31, 2024 | Mar. 31, 2023 | |
| Statement of comprehensive income [abstract] | ||
| PROFIT/(LOSS) FOR THE PERIOD | € 58,909 | € (18,127) |
| Items that may be reclassified to profit or loss | ||
| Currency translation differences | (57) | 1,628 |
| Other comprehensive income/(loss) for the period, net of tax | (57) | 1,628 |
| TOTAL COMPREHENSIVE INCOME/(LOSS) FOR THE PERIOD | € 58,853 | € (16,500) |
| Unaudited Interim Condensed Consolidated Statement of Financial Position - EUR (€) € in Thousands | Mar. 31, 2024 | Dec. 31, 2023 |
| ASSETS | ||
| Non-current assets | € 196,588 | € 197,238 |
| Intangible assets | 24,853 | 25,567 |
| Right of use assets | 19,267 | 20,392 |
| Property, plant and equipment | 136,696 | 136,198 |
| Deferred tax assets | 7,006 | 6,592 |
| Other non-current assets | 8,766 | 8,490 |
| Current assets | 306,241 | 262,824 |
| Inventories | 48,585 | 44,466 |
| Trade receivables | 27,285 | 41,645 |
| Other current assets | 53,732 | 50,633 |
| Cash and cash equivalents | 176,640 | 126,080 |
| TOTAL ASSETS | 502,829 | 460,062 |
| EQUITY | ||
| Share capital | 20,892 | 20,837 |
| Share premium | 593,948 | 594,003 |
| Other reserves | 67,162 | 65,088 |
| Retained earnings/(Accumulated deficit) | (551,682) | (450,253) |
| Profit/(Loss) for the period | 58,909 | (101,429) |
| TOTAL EQUITY | 189,230 | 128,247 |
| LIABILITIES | ||
| Non-current liabilities | 197,515 | 172,952 |
| Borrowings | 159,035 | 132,768 |
| Lease liabilities | 27,547 | 29,090 |
| Refund liabilities | 6,350 | 6,303 |
| Provisions | 810 | 1,074 |
| Deferred tax liabilities | 3,704 | 3,638 |
| Other liabilities | 70 | 79 |
| Current liabilities | 116,085 | 158,863 |
| Borrowings | 22,413 | 44,079 |
| Trade payables and accruals | 33,506 | 44,303 |
| Income tax liability | 746 | 632 |
| Tax and Employee-related liabilities | 17,271 | 16,209 |
| Lease liabilities | 2,676 | 2,879 |
| Contract liabilities | 5,291 | 5,697 |
| Refund liabilities | 24,258 | 33,637 |
| Provisions | 9,553 | 10,835 |
| Other liabilities | 371 | 592 |
| TOTAL LIABILITIES | 313,600 | 331,815 |
| TOTAL EQUITY AND LIABILITIES | € 502,829 | € 460,062 |
| Unaudited Interim Condensed Consolidated Statement of Cash Flows - EUR (€) € in Thousands | 3 Months Ended | |
| Mar. 31, 2024 | Mar. 31, 2023 | |
| CASH FLOWS FROM OPERATING ACTIVITIES | ||
| Profit/(Loss) for the period | € 58,909 | € (18,127) |
| Gain from sale of Priority Review Voucher, net | (90,833) | 0 |
| Adjustments for non-cash transactions | 15,072 | 8,438 |
| Changes in non-current operating assets and liabilities | (529) | (269) |
| Changes in working capital | (10,923) | (13,935) |
| Cash generated/(used) in operations | (28,303) | (23,893) |
| Income tax paid | (129) | (433) |
| NET CASH GENERATED FROM/(USED IN) OPERATING ACTIVITIES | (28,432) | (24,326) |
| CASH FLOWS FROM INVESTING ACTIVITIES | ||
| Purchases of property, plant and equipment | (4,498) | (3,846) |
| Proceeds from sale of property, plant and equipment | 146 | 33 |
| Purchases of intangible assets | (34) | 0 |
| Proceeds from sale of Priority Review Voucher | 90,833 | 0 |
| Interest received | 266 | 253 |
| NET CASH GENERATED FROM/(USED IN) INVESTING ACTIVITIES | 86,713 | (3,561) |
| CASH FLOWS FROM FINANCING ACTIVITIES | ||
| Proceeds/(payments) from issuance of common stock, net of costs of equity transactions | 0 | (194) |
| Proceeds from borrowings, net of transaction costs | (944) | 0 |
| Payment of lease liabilities | (677) | (933) |
| Interest paid | (5,836) | (2,689) |
| NET CASH GENERATED FROM/(USED IN) FINANCING ACTIVITIES | (7,457) | (3,816) |
| NET CHANGE IN CASH AND CASH EQUIVALENTS | 50,824 | (31,703) |
| Cash and cash equivalents at beginning of the year | 126,080 | 286,532 |
| Exchange gains/(losses) on cash | (264) | (344) |
| CASH AND CASH EQUIVALENTS AT END OF THE PERIOD | € 176,640 | € 254,485 |
| Unaudited Interim Condensed Consolidated Statement of Changes in Equity - EUR (€) € in Thousands | Total | Share capital | Share premium | Other reserves | Retained earnings/ (Accumulated deficit) | Profit/(loss) for the period |
| Equity, beginning balance at Dec. 31, 2022 | € 219,797 | € 20,755 | € 594,043 | € 55,252 | € (306,974) | € (143,279) |
| Total comprehensive income/(loss) | (16,500) | 1,628 | (18,127) | |||
| Income appropriation | 0 | (143,279) | 143,279 | |||
| Share-based compensation expense: | ||||||
| Value of services | 1,489 | 1,489 | ||||
| Exercises | (3) | (3) | ||||
| Equity, ending balance at Mar. 31, 2023 | 204,783 | 20,752 | 594,043 | 58,369 | (450,253) | (18,127) |
| Equity, beginning balance at Dec. 31, 2023 | 128,247 | 20,837 | 594,003 | 65,088 | (450,253) | (101,429) |
| Total comprehensive income/(loss) | 58,853 | (57) | 58,909 | |||
| Income appropriation | 0 | (101,429) | 101,429 | |||
| Share-based compensation expense: | ||||||
| Value of services | 2,130 | 2,130 | ||||
| Exercises | 0 | 55 | (55) | |||
| Equity, ending balance at Mar. 31, 2024 | € 189,230 | € 20,892 | € 593,948 | € 67,162 | € (551,682) | € 58,909 |
