Statement Of Comprehensive Income [Abstract]

Transgene - Filing #833175

Concept	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	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	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	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Statement of comprehensive income [abstract]
Profit (loss)	- EUR	22 328 EUR	22 328 EUR	- EUR	- EUR	22 328 EUR	- EUR	- EUR	- EUR	- EUR	32 804 EUR	- EUR	32 804 EUR	32 804 EUR	- EUR	- EUR
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]
Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans	- EUR	188,000 EUR	- EUR	- EUR	- EUR	188,000 EUR	- EUR	188,000 EUR	- EUR	- EUR	- EUR	- EUR	925,000 EUR	925,000 EUR	- EUR	925,000 EUR
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	188,000 EUR	—	—	—	—	—	—	—	—	—	—	925,000 EUR	—	—	—
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]
Exchange differences on translation [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	- EUR	7,000 EUR	- EUR	- EUR	- EUR	7,000 EUR	- EUR	7,000 EUR	- EUR	- EUR	- EUR	- EUR	-  EUR	- EUR	- EUR	- EUR
Cash flow hedges [abstract]
Other comprehensive income, net of tax, cash flow hedges	- EUR	3,000 EUR	- EUR	- EUR	- EUR	3,000 EUR	- EUR	3,000 EUR	- EUR	- EUR	- EUR	- EUR	48,000 EUR	48,000 EUR	- EUR	48,000 EUR
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	4,000 EUR	—	—	—	—	—	—	—	—	—	—	48,000 EUR	—	—	—
Other comprehensive income	—	192,000 EUR	—	—	—	—	—	—	—	—	—	—	973,000 EUR	—	—	—
Comprehensive income	- EUR	22 520 EUR	22 328 EUR	- EUR	- EUR	22 520 EUR	- EUR	192,000 EUR	- EUR	- EUR	32 804 EUR	- EUR	31 831 EUR	31 831 EUR	- EUR	973,000 EUR
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	22 520 EUR	—	—	—	—	—	—	—	—	—	—	31 831 EUR	—	—	—
Comprehensive income, attributable to non-controlling interests	—	- EUR	—	—	—	—	—	—	—	—	—	—	-  EUR	—	—	—