Statement Of Financial Position [Abstract]

Vaisala Oyj - Filing #4014088

Concept	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	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 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 financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	—	—	—	105,600,000 EUR	95,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Right-of-use assets	—	—	—	—	—	—	21,400,000 EUR	13,100,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	—	—	—	12,700,000 EUR	7,800,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	—	—	88,800,000 EUR	90,300,000 EUR	—	—	—	—	—	—	—	—	55,500,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Assets	—	—	—	—	—	—	589,400,000 EUR	442,800,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	—	—	—	7,700,000 EUR	7,700,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Retained earnings	—	—	—	—	—	—	299,200,000 EUR	263,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Treasury shares	—	—	—	—	—	—	4,100,000 EUR	4,200,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other reserves	—	—	—	—	—	—	700,000 EUR	600,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity attributable to owners of parent	—	—	—	—	—	—	308,600,000 EUR	267,900,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
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	3,300,000 EUR	0 EUR	600,000 EUR	7,700,000 EUR	241,400,000 EUR	4,100,000 EUR	250,500,000 EUR
Liabilities [abstract]
Deferred tax liabilities	—	—	—	—	—	—	5,300,000 EUR	2,900,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Liabilities	—	—	—	—	—	—	280,900,000 EUR	175,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	—	—	—	589,400,000 EUR	442,800,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—