Statement Of Changes In Equity [Abstract]

Kemira Oyj - Filing #2178453

Concept	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	2022-01-01 to 2022-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Increase (decrease) through transfer to statutory reserve, equity	—	100,000 EUR	0 EUR	0 EUR	100,000 EUR	—	—	300,000 EUR	—	0 EUR	0 EUR	300,000 EUR
Increase (decrease) through transactions with owners, equity	1,600,000 EUR	100,000 EUR	77,700,000 EUR	84,700,000 EUR	79,400,000 EUR	7,000,000 EUR	6,500,000 EUR	300,000 EUR	1,400,000 EUR	84,500,000 EUR	91,000,000 EUR	86,200,000 EUR