Statement Of Changes In Equity [Abstract]

Alumetal S.A. - Filing #5620790

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	As at 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	As at 2024-12-31	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	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	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 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	As at 2022-12-31	As at 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	—	—	—	2,578,418,000 EUR	124,701,000 EUR	138,604,000 EUR	102,134,000 EUR	—	110,565,000 EUR	—	—	2,990,746,000 EUR	—	1,945,000 EUR	257,643,000 EUR	3,092,880,000 EUR	—	—	2,698,559,000 EUR	—	—	2,176,952,000 EUR	—	246,503,000 EUR	—	—	91,153,000 EUR	124,701,000 EUR	—	138,604,000 EUR	1,945,000 EUR	81,299,000 EUR	—	2,607,406,000 EUR	2,221,062,000 EUR	262,185,000 EUR	91,049,000 EUR	124,701,000 EUR	1,697,356,000 EUR	92,833,000 EUR	138,604,000 EUR	2,130,013,000 EUR	- EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	- EUR	- EUR	614,587,000 EUR	- EUR	- EUR	—	—	—	—	- EUR	—	614,587,000 EUR	16,223,000 EUR	—	630,810,000 EUR	—	—	—	- EUR	625,652,000 EUR	—	623,110,000 EUR	- EUR	—	2,542,000 EUR	—	623,110,000 EUR	- EUR	—	—	- EUR	—	—	—	- EUR	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	- EUR	2,829,000 EUR	2,866,000 EUR	- EUR	- EUR	—	—	—	—	- EUR	—	37,000 EUR	- EUR	—	2,866,000 EUR	—	—	—	- EUR	22,932,000 EUR	—	22,932,000 EUR	22,961,000 EUR	—	- EUR	—	29,000 EUR	- EUR	—	—	- EUR	—	—	—	- EUR	—	—	—	—	—	—	—	—	—	—
Comprehensive income	- EUR	2,829,000 EUR	617,453,000 EUR	- EUR	- EUR	—	—	—	—	- EUR	—	614,624,000 EUR	16,223,000 EUR	—	633,676,000 EUR	—	—	—	- EUR	602,720,000 EUR	—	600,178,000 EUR	22,961,000 EUR	—	2,542,000 EUR	—	623,139,000 EUR	- EUR	—	—	- EUR	—	—	—	- EUR	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	- EUR	- EUR	214,337,000 EUR	- EUR	- EUR	—	—	—	—	- EUR	—	214,337,000 EUR	3,514,000 EUR	—	217,851,000 EUR	—	—	—	- EUR	173,665,000 EUR	—	171,469,000 EUR	- EUR	—	2,196,000 EUR	—	171,469,000 EUR	- EUR	—	—	- EUR	—	—	—	- EUR	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	- EUR	728,000 EUR	- EUR	- EUR	- EUR	—	—	—	—	- EUR	—	728,000 EUR	- EUR	—	- EUR	—	—	—	- EUR	- EUR	—	- EUR	37,000 EUR	—	- EUR	—	37,000 EUR	- EUR	—	—	- EUR	—	—	—	- EUR	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	29,266,000 EUR	- EUR	26,959,000 EUR	- EUR	- EUR	—	—	—	—	- EUR	—	2,307,000 EUR	- EUR	—	26,959,000 EUR	—	—	—	11,534,000 EUR	39,738,000 EUR	—	39,738,000 EUR	- EUR	—	- EUR	—	28,204,000 EUR	- EUR	—	—	- EUR	—	—	—	- EUR	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	- EUR	7,583,000 EUR	6,055,000 EUR	- EUR	- EUR	—	—	—	—	- EUR	—	1,528,000 EUR	- EUR	—	6,055,000 EUR	—	—	—	- EUR	7,242,000 EUR	—	7,242,000 EUR	7,242,000 EUR	—	- EUR	—	- EUR	- EUR	—	—	- EUR	—	—	—	- EUR	—	—	—	—	—	—	—	—	—	—