Statement Of Changes In Equity [Abstract]

Basic-Fit N.V. - Filing #5840219

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	—	333,200,000 EUR	690,500,000 EUR	4,000,000 EUR	—	2,700,000 EUR	—	—	48,700,000 EUR	—	4,200,000 EUR	411,500,000 EUR	—	—	404,000,000 EUR	342,000,000 EUR	—	—	690,500,000 EUR	—	4,000,000 EUR	—	48,700,000 EUR	- EUR	—	2,800,000 EUR	405,400,000 EUR	338,700,000 EUR	900,000 EUR	4,000,000 EUR	- EUR	690,500,000 EUR	48,700,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	- EUR	- EUR	- EUR	—	—	—	- EUR	—	8,000,000 EUR	8,000,000 EUR	—	- EUR	—	—	2,700,000 EUR	- EUR	—	—	2,700,000 EUR	- EUR	—	- EUR	—	- EUR	—	—	- EUR	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	—	—	—	—	—	—	- EUR	—	—	—	—	- EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	- EUR	- EUR	- EUR	—	—	—	- EUR	—	8,000,000 EUR	8,000,000 EUR	—	- EUR	—	—	2,700,000 EUR	- EUR	—	—	2,700,000 EUR	- EUR	—	- EUR	—	- EUR	—	—	- EUR	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	—	—	—	—	—	—	—	—	—	—	—	—	—	—	300,000 EUR	- EUR	—	—	300,000 EUR	- EUR	—	- EUR	—	- EUR	—	—	- EUR	—	—	—	—	—	—	—	—