Statement Of Changes In Equity [Abstract]

Vaisala Oyj - Filing #2160882

Concept	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 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 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	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	267,900,000 EUR	—	—	261,300,000 EUR	—	2,300,000 EUR	—	—	7,700,000 EUR	800,000 EUR	4,200,000 EUR	267,900,000 EUR	250,500,000 EUR	—	—	—	—	—	200,000 EUR	200,000 EUR	200,000 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	—	—	229,400,000 EUR	4,600,000 EUR	217,700,000 EUR	218,000,000 EUR	7,000,000 EUR	7,700,000 EUR	7,000,000 EUR	230,300,000 EUR	229,600,000 EUR	700,000 EUR	1,700,000 EUR	7,700,000 EUR	4,600,000 EUR	700,000 EUR	1,700,000 EUR	230,100,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	48,900,000 EUR	—	—	48,900,000 EUR	—	—	—	—	48,900,000 EUR	—	—	—	—	—	—	—	—	45,100,000 EUR	45,100,000 EUR	0 EUR	—	—	—	—	—	—	—	—	—	—	45,100,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	3,300,000 EUR	—	—	3,300,000 EUR	0 EUR	—	—	—	0 EUR	3,300,000 EUR	—	—	—	—	—	—	0 EUR	2,200,000 EUR	200,000 EUR	—	—	—	—	—	—	—	—	—	—	—	2,200,000 EUR	2,400,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	45,600,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	47,300,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	26,100,000 EUR	—	—	26,100,000 EUR	—	—	—	—	26,100,000 EUR	—	—	—	—	—	—	—	—	24,600,000 EUR	24,600,000 EUR	—	—	—	—	—	—	—	—	—	—	—	24,600,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	—	—	—	0 EUR	—	—	0 EUR	—	0 EUR	—	—	—	—	—	—	—	—	—	700,000 EUR	700,000 EUR	—	—	—	—	—	—	—	—	—	—	700,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	100,000 EUR	1,200,000 EUR	—	100,000 EUR	1,200,000 EUR	—	—	—	—	—	—	—	—	—	—	1,400,000 EUR	3,400,000 EUR	2,100,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	2,100,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—