Statement Of Changes In Equity [Abstract]

Alumexx N.V. - Filing #6036955

Concept	As at 2024-12-31	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	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 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	As at 2023-12-31	As at 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 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	As at 2023-12-31	2023-01-01 to 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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	16,897 EUR	—	—	—	20,435 EUR	1,484 EUR	—	—	122,000 EUR	4,900 EUR	- EUR	103,000 EUR	—	- EUR	—	17,917 EUR	340,000 EUR	17,577 EUR	4,239 EUR	20,435 EUR	340,000 EUR	—	1,484 EUR	- EUR	20,435 EUR	—	1,484 EUR	3,899 EUR	103,000 EUR	—	- EUR	17,793 EUR	1,114 EUR	18,259 EUR	1,580 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	642,000 EUR	- EUR	- EUR	—	—	642,000 EUR	- EUR	—	—	—	—	216,000 EUR	—	216,000 EUR	—	—	—	—	—	—	- EUR	—	—	—	- EUR	—	—	—	- EUR	—	—	—	—	—
Other comprehensive income	—	- EUR	- EUR	- EUR	—	—	19,000 EUR	19,000 EUR	—	—	—	—	- EUR	—	103,000 EUR	—	—	—	—	—	—	- EUR	—	—	—	- EUR	—	—	—	103,000 EUR	—	—	—	—	—
Comprehensive income	—	642,000 EUR	- EUR	- EUR	—	—	623,000 EUR	19,000 EUR	—	—	—	—	216,000 EUR	—	113,000 EUR	—	—	—	—	—	—	- EUR	—	—	—	- EUR	—	—	—	103,000 EUR	—	—	—	—	—
Increase (decrease) through other changes, equity	—	21,000 EUR	- EUR	- EUR	—	—	21,000 EUR	- EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	17,000 EUR	- EUR	- EUR	—	—	17,000 EUR	- EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—