Statement Of Changes In Equity [Abstract]

Vaisala Oyj - Filing #4014088

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	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	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	As at 2023-12-31	As at 2023-12-31	As at 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	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	—	—	—	299,200,000 EUR	—	7,700,000 EUR	5,100,000 EUR	4,100,000 EUR	—	308,600,000 EUR	—	700,000 EUR	308,600,000 EUR	—	—	267,900,000 EUR	—	—	263,000,000 EUR	—	600,000 EUR	—	—	7,700,000 EUR	800,000 EUR	4,200,000 EUR	267,900,000 EUR	2,900,000 EUR	2,900,000 EUR	250,500,000 EUR	3,500,000 EUR	0 EUR	238,500,000 EUR	3,300,000 EUR	7,700,000 EUR	4,100,000 EUR	250,500,000 EUR	250,500,000 EUR	0 EUR	3,300,000 EUR	600,000 EUR	7,700,000 EUR	241,400,000 EUR	4,100,000 EUR	250,500,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	63,700,000 EUR	—	—	—	—	—	63,700,000 EUR	—	63,700,000 EUR	—	—	—	48,900,000 EUR	—	48,900,000 EUR	—	—	—	—	48,900,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	4,400,000 EUR	—	4,300,000 EUR	—	—	—	0 EUR	—	4,400,000 EUR	—	—	—	3,300,000 EUR	—	3,300,000 EUR	0 EUR	—	—	—	0 EUR	3,300,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	—	—	—	—	—	—	—	—	—	—	68,100,000 EUR	—	—	—	45,600,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	—	27,200,000 EUR	—	—	—	—	—	27,200,000 EUR	—	27,200,000 EUR	—	—	—	26,100,000 EUR	—	26,100,000 EUR	—	—	—	—	26,100,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	—	100,000 EUR	100,000 EUR	—	—	—	—	—	200,000 EUR	—	100,000 EUR	—	—	—	—	—	0 EUR	—	—	0 EUR	—	0 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	800,000 EUR	—	700,000 EUR	—	—	—	—	—	100,000 EUR	—	700,000 EUR	—	—	1,200,000 EUR	100,000 EUR	—	100,000 EUR	—	—	—	—	1,200,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—