Statement Of Changes In Equity [Abstract]

Orion Oyj - Filing #5046273

Concept	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	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	As at 2024-12-31	As at 2023-12-31	2023-01-01 to 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	2023-01-01 to 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	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	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	—	918,000,000 EUR	—	—	918,200,000 EUR	—	92,200,000 EUR	10,600,000 EUR	24,800,000 EUR	—	—	—	5,300,000 EUR	1,005,000,000 EUR	—	24,600,000 EUR	20,900,000 EUR	—	—	—	890,100,000 EUR	802,900,000 EUR	—	810,000,000 EUR	—	—	—	92,200,000 EUR	9,800,000 EUR	28,000,000 EUR	4,600,000 EUR	—	908,100,000 EUR	37,100,000 EUR	823,300,000 EUR	821,100,000 EUR	34,800,000 EUR	92,200,000 EUR	10,800,000 EUR	3,300,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	0 EUR	—	329,900,000 EUR	0 EUR	—	0 EUR	—	—	—	329,900,000 EUR	329,900,000 EUR	0 EUR	—	—	0 EUR	—	—	216,800,000 EUR	0 EUR	0 EUR	—	—	216,800,000 EUR	—	216,800,000 EUR	0 EUR	0 EUR	—	—	—	—	0 EUR	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	—	—	—	—	—	—	—	4,000,000 EUR	—	—	—	—	—	—	16,500,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	—	—	—	—	—	—	—	—	—	—	333,900,000 EUR	—	—	—	—	—	—	200,300,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	0 EUR	—	228,000,000 EUR	0 EUR	—	0 EUR	—	—	—	228,000,000 EUR	228,000,000 EUR	0 EUR	—	—	0 EUR	—	—	224,900,000 EUR	0 EUR	0 EUR	—	—	224,900,000 EUR	—	224,900,000 EUR	0 EUR	0 EUR	—	—	—	—	0 EUR	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	0 EUR	—	100,000 EUR	0 EUR	—	0 EUR	—	—	—	100,000 EUR	600,000 EUR	700,000 EUR	—	—	0 EUR	—	—	0 EUR	0 EUR	0 EUR	—	—	1,300,000 EUR	—	1,300,000 EUR	0 EUR	0 EUR	—	—	—	—	1,300,000 EUR	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	3,200,000 EUR	—	8,400,000 EUR	0 EUR	—	0 EUR	—	—	—	5,300,000 EUR	8,400,000 EUR	0 EUR	—	—	0 EUR	—	—	6,600,000 EUR	6,800,000 EUR	0 EUR	—	—	6,600,000 EUR	—	200,000 EUR	0 EUR	0 EUR	—	—	—	—	0 EUR	—	—	—	—	—	—	—	—