Statement Of Changes In Equity [Abstract]

Valneva SE - Filing #2813490

Concept	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Increase (decrease) through appropriation of retained earnings, equity	73 425 EUR	73 425 EUR	— EUR	— EUR	— EUR	— EUR	64 393 EUR	64 393 EUR	— EUR	— EUR	— EUR	— EUR	— EUR	— EUR	— EUR	1 744 EUR	— EUR	1 744 EUR
Share issue related cost	— EUR	— EUR	— EUR	— EUR	7 531 EUR	7 531 EUR	— EUR	— EUR	13 414 EUR	— EUR	— EUR	13 414 EUR	—	—	—	—	—	—