Statement Of Changes In Equity [Abstract]

Valneva SE - Filing #5984247

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Increase (decrease) through appropriation of retained earnings, equity	— EUR	101 429 EUR	— EUR	— EUR	101 429 EUR	— EUR	— EUR	— EUR	143 279 EUR	— EUR	— EUR	143 279 EUR
Share issue related cost	4 041 EUR	— EUR	4 041 EUR	— EUR	— EUR	— EUR	—	—	—	—	—	—