Statement Of Changes In Equity [Abstract]

Caverion Oyj - Filing #2160847

Concept	2023-01-01 to 2023-12-31	As at 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	2023-01-01 to 2023-12-31	As at 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 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	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	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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	175,700,000 EUR	—	122,400,000 EUR	300,000 EUR	—	—	200,000 EUR	—	1,000,000 EUR	11,700,000 EUR	2,000,000 EUR	175,400,000 EUR	66,000,000 EUR	225,400,000 EUR	—	—	—	—	300,000 EUR	—	200,000 EUR	135,100,000 EUR	2,000,000 EUR	1,000,000 EUR	9,600,000 EUR	225,200,000 EUR	35,000,000 EUR	66,000,000 EUR	—	—	2,400,000 EUR	107,600,000 EUR	200,000 EUR	201,400,000 EUR	35,000,000 EUR	66,000,000 EUR	201,100,000 EUR	300,000 EUR	6,000,000 EUR	1,000,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	33,100,000 EUR	—	33,100,000 EUR	—	—	0 EUR	33,100,000 EUR	—	—	—	—	—	—	—	—	—	46,200,000 EUR	46,200,000 EUR	0 EUR	—	—	—	—	—	—	—	—	—	—	46,200,000 EUR	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	1,800,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	700,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	31,300,000 EUR	—	31,200,000 EUR	—	—	0 EUR	33,300,000 EUR	—	2,100,000 EUR	—	—	—	—	—	—	—	46,900,000 EUR	50,700,000 EUR	0 EUR	—	100,000 EUR	—	—	—	—	—	—	—	—	46,900,000 EUR	3,700,000 EUR	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	27,400,000 EUR	—	27,400,000 EUR	—	—	0 EUR	27,400,000 EUR	—	—	—	—	—	—	—	—	—	23,200,000 EUR	23,200,000 EUR	0 EUR	—	—	—	—	—	—	—	—	—	—	23,200,000 EUR	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	400,000 EUR	—	400,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	16,900,000 EUR	—	16,900,000 EUR	—	—	—	16,900,000 EUR	—	—	—	—	—	—	—	—	—	2,200,000 EUR	2,200,000 EUR	—	—	—	—	—	—	—	—	—	—	—	2,200,000 EUR	—	—	—	—	—	—	—	—	—	—	—