Statement Of Changes In Equity [Abstract]

Vaisala Oyj - Filing #2160883

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	—	—	2,679,000,000 EUR	—	—	2,613,000,000 EUR	—	23,000,000 EUR	—	—	77,000,000 EUR	8,000,000 EUR	42,000,000 EUR	2,679,000,000 EUR	2,505,000,000 EUR	—	—	—	—	—	2,000,000 EUR	2,000,000 EUR	2,000,000 EUR	35,000,000 EUR	0 EUR	2,385,000,000 EUR	33,000,000 EUR	77,000,000 EUR	41,000,000 EUR	2,505,000,000 EUR	—	—	2,294,000,000 EUR	46,000,000 EUR	2,177,000,000 EUR	2,180,000,000 EUR	70,000,000 EUR	77,000,000 EUR	70,000,000 EUR	2,303,000,000 EUR	2,296,000,000 EUR	7,000,000 EUR	17,000,000 EUR	77,000,000 EUR	46,000,000 EUR	7,000,000 EUR	17,000,000 EUR	2,301,000,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	489,000,000 EUR	—	—	489,000,000 EUR	—	—	—	—	489,000,000 EUR	—	—	—	—	—	—	—	—	451,000,000 EUR	451,000,000 EUR	0 EUR	—	—	—	—	—	—	—	—	—	—	451,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	33,000,000 EUR	—	—	33,000,000 EUR	0 EUR	—	—	—	0 EUR	33,000,000 EUR	—	—	—	—	—	—	0 EUR	22,000,000 EUR	2,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	22,000,000 EUR	24,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	456,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	473,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	261,000,000 EUR	—	—	261,000,000 EUR	—	—	—	—	261,000,000 EUR	—	—	—	—	—	—	—	—	246,000,000 EUR	246,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	246,000,000 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	—	—	—	—	—	—	—	—	—	7,000,000 EUR	7,000,000 EUR	—	—	—	—	—	—	—	—	—	—	7,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	1,000,000 EUR	12,000,000 EUR	—	1,000,000 EUR	12,000,000 EUR	—	—	—	—	—	—	—	—	—	—	14,000,000 EUR	34,000,000 EUR	21,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	21,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—