| Cover | 9 Months Ended |
| Sep. 30, 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 | Q3 |
| Current Fiscal Year End Date | --12-31 |
| Document Period End Date | Sep. 30, 2024 |
| Unaudited Interim Condensed Consolidated Statements of Income (Loss) - EUR (€) € in Thousands | 9 Months Ended | |
| Sep. 30, 2024 | Sep. 30, 2023 | |
| Profit or loss [abstract] | ||
| Product sales | € 112,475 | € 106,130 |
| Other revenues | 4,162 | 5,684 |
| REVENUES | 116,637 | 111,814 |
| Cost of goods and services | (71,306) | (74,810) |
| Research and development expenses | (48,567) | (42,220) |
| Marketing and distribution expenses | (35,718) | (33,919) |
| General and administrative expenses | (32,554) | (35,066) |
| Gain from sale of Priority Review Voucher, net | 90,833 | 0 |
| Other income and expenses, net | 14,890 | 17,020 |
| OPERATING PROFIT/(LOSS) | 34,214 | (57,180) |
| Finance income | 1,316 | 724 |
| Finance expenses | (17,713) | (12,477) |
| Foreign exchange gain/(loss), net | 3,045 | (1,441) |
| PROFIT/(LOSS) BEFORE INCOME TAX | 20,862 | (70,374) |
| Income tax benefit/(expense) | 3,878 | 1,103 |
| PROFIT/(LOSS) FOR THE PERIOD | € 24,740 | € (69,271) |
| 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) | € 0.18 | € (0.50) |
| Diluted earnings (losses) per share for profit/(loss) for the period attributable to the equity holders of the Company (in euro per share) | € 0.17 | € (0.50) |
| Unaudited Interim Condensed Consolidated Statements of Comprehensive Income (Loss) - EUR (€) € in Thousands | 9 Months Ended | |
| Sep. 30, 2024 | Sep. 30, 2023 | |
| Statement of comprehensive income [abstract] | ||
| PROFIT/(LOSS) FOR THE PERIOD | € 24,740 | € (69,271) |
| Items that may be reclassified to profit or loss | ||
| Currency translation differences | 612 | 1,677 |
| Items that will not be reclassified to profit or loss | ||
| Defined benefit plan actuarial gains/(losses) | (10) | (8) |
| Other comprehensive income/(loss) for the period, net of tax | 602 | 1,669 |
| TOTAL COMPREHENSIVE INCOME/(LOSS) FOR THE PERIOD | € 25,342 | € (67,602) |
| Unaudited Interim Condensed Consolidated Statement of Financial Position - EUR (€) € in Thousands | Sep. 30, 2024 | Dec. 31, 2023 |
| ASSETS | ||
| Non-current assets | € 213,000 | € 197,238 |
| Intangible assets | 33,478 | 25,567 |
| Right of use assets | 18,653 | 20,392 |
| Property, plant and equipment | 141,647 | 136,198 |
| Deferred tax assets | 11,667 | 6,592 |
| Other non-current assets | 7,555 | 8,490 |
| Current assets | 303,614 | 262,824 |
| Inventories | 57,829 | 44,466 |
| Trade receivables | 30,359 | 41,645 |
| Other current assets | 59,091 | 50,633 |
| Cash and cash equivalents | 156,335 | 126,080 |
| TOTAL ASSETS | 516,614 | 460,062 |
| EQUITY | ||
| Share capital | 24,342 | 20,837 |
| Share premium | 647,640 | 594,003 |
| Other reserves | 72,430 | 65,088 |
| Retained earnings/(Accumulated deficit) | (551,682) | (450,253) |
| Profit/(Loss) for the period | 24,740 | (101,429) |
| TOTAL EQUITY | 217,469 | 128,247 |
| LIABILITIES | ||
| Non-current liabilities | 189,989 | 172,952 |
| Borrowings | 153,126 | 132,768 |
| Lease liabilities | 26,015 | 29,090 |
| Refund liabilities | 6,443 | 6,303 |
| Provisions | 562 | 1,074 |
| Deferred tax liabilities | 3,791 | 3,638 |
| Other liabilities | 52 | 79 |
| Current liabilities | 109,156 | 158,863 |
| Borrowings | 19,452 | 44,079 |
| Trade payables and accruals | 42,897 | 44,303 |
| Income tax liability | 266 | 632 |
| Tax and Employee-related liabilities | 18,319 | 16,209 |
| Lease liabilities | 2,655 | 2,879 |
| Contract liabilities | 956 | 5,697 |
| Refund liabilities | 17,095 | 33,637 |
| Provisions | 7,290 | 10,835 |
| Other liabilities | 226 | 592 |
| TOTAL LIABILITIES | 299,145 | 331,815 |
| TOTAL EQUITY AND LIABILITIES | € 516,614 | € 460,062 |
| Unaudited Interim Condensed Consolidated Statement of Cash Flows - EUR (€) € in Thousands | 9 Months Ended | |
| Sep. 30, 2024 | Sep. 30, 2023 | |
| CASH FLOWS FROM OPERATING ACTIVITIES | ||
| Profit/(Loss) for the period | € 24,740 | € (69,271) |
| Gain from sale of Priority Review Voucher, net | (90,833) | 0 |
| Adjustments for non-cash transactions | 25,672 | 26,867 |
| Changes in non-current operating assets and liabilities | 311 | (181) |
| Changes in working capital | (35,075) | (93,335) |
| Cash generated/(used) in operations | (75,186) | (135,920) |
| Income tax paid | (1,558) | (913) |
| NET CASH GENERATED FROM/(USED IN) OPERATING ACTIVITIES | (76,744) | (136,833) |
| CASH FLOWS FROM INVESTING ACTIVITIES | ||
| Purchases of property, plant and equipment | (10,006) | (8,354) |
| Proceeds from sale of property, plant and equipment | 165 | 43 |
| Purchases of intangible assets | (10,079) | (39) |
| Proceeds from assets classified as held for sale | 0 | 3,358 |
| Proceeds from sale of Priority Review Voucher | 90,833 | 0 |
| Interest received | 1,316 | 724 |
| NET CASH GENERATED FROM/(USED IN) INVESTING ACTIVITIES | 72,228 | (4,269) |
| CASH FLOWS FROM FINANCING ACTIVITIES | ||
| Proceeds/(payments) from issuance of common stock, net of costs of equity transactions | 57,460 | (240) |
| Proceeds from borrowings, net of transaction costs | (944) | 39,683 |
| Repayment of borrowings | (3,723) | (2,097) |
| Payment of lease liabilities | (2,788) | (2,444) |
| Interest paid | (14,733) | (8,764) |
| NET CASH GENERATED FROM/(USED IN) FINANCING ACTIVITIES | 35,272 | 26,137 |
| NET CHANGE IN CASH AND CASH EQUIVALENTS | 30,757 | (114,964) |
| Cash and cash equivalents at beginning of the year | 126,080 | 286,532 |
| Exchange gains/(losses) on cash | (502) | (315) |
| CASH AND CASH EQUIVALENTS AT END OF THE PERIOD | € 156,335 | € 171,253 |
| 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) | (67,602) | 1,669 | (69,271) | |||
| Income appropriation | 0 | (143,279) | 143,279 | |||
| Share-based compensation expense: | ||||||
| Value of services | 5,284 | 5,284 | ||||
| Exercises | 42 | 82 | (39) | |||
| Equity, ending balance at Sep. 30, 2023 | 157,521 | 20,837 | 594,003 | 62,205 | (450,253) | (69,271) |
| Equity, beginning balance at Dec. 31, 2023 | 128,247 | 20,837 | 594,003 | 65,088 | (450,253) | (101,429) |
| Total comprehensive income/(loss) | 25,342 | 602 | 24,740 | |||
| Income appropriation | 0 | (101,429) | 101,429 | |||
| Share-based compensation expense: | ||||||
| Value of services | 6,740 | 6,740 | ||||
| Exercises | 0 | 55 | (55) | |||
| Capital Increase | 61,180 | 3,450 | 57,730 | |||
| Cost of equity transaction, net of tax | (4,039) | (4,039) | ||||
| Equity, ending balance at Sep. 30, 2024 | € 217,469 | € 24,342 | € 647,640 | € 72,430 | € (551,682) | € 24,740 |
