Statement Of Changes In Equity [Abstract]

Purmo Group Oyj - Filing #2196218

Concept	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 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	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	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	109,000,000 EUR	—	3,906,000,000 EUR	6,000,000 EUR	—	—	—	—	3,859,000,000 EUR	3,906,000,000 EUR	- EUR	- EUR	87,000,000 EUR	31,000,000 EUR	—	—	—	251,000,000 EUR	18,000,000 EUR	5,155,000,000 EUR	0 EUR	—	—	—	—	91,000,000 EUR	24,000,000 EUR	5,173,000,000 EUR	—	—	3,000,000 EUR	—	4,975,000,000 EUR	5,167,000,000 EUR	13,000,000 EUR	11,000,000 EUR	5,180,000,000 EUR	34,000,000 EUR	- EUR	5,000,000 EUR	5,140,000,000 EUR	0 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	188,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	188,000,000 EUR	188,000,000 EUR	253,000,000 EUR	—	—	—	—	249,000,000 EUR	—	—	—	—	—	—	—	4,000,000 EUR	—	249,000,000 EUR	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	87,000,000 EUR	—	—	—	4,000,000 EUR	—	3,000,000 EUR	—	—	—	—	—	—	87,000,000 EUR	86,000,000 EUR	115,000,000 EUR	—	—	—	—	32,000,000 EUR	3,000,000 EUR	—	—	—	—	—	80,000,000 EUR	—	—	115,000,000 EUR	—	—	—	—	—	—	—	—	—	—
Comprehensive income	—	—	101,000,000 EUR	—	—	—	4,000,000 EUR	—	3,000,000 EUR	—	—	—	—	—	—	101,000,000 EUR	103,000,000 EUR	138,000,000 EUR	—	—	—	—	217,000,000 EUR	3,000,000 EUR	—	—	—	—	—	80,000,000 EUR	4,000,000 EUR	—	134,000,000 EUR	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	—	2,664,000,000 EUR	—	—	—	—	150,000,000 EUR	—	—	—	—	—	—	—	2,664,000,000 EUR	2,515,000,000 EUR	150,000,000 EUR	—	—	—	—	—	—	—	150,000,000 EUR	—	—	—	—	—	—	150,000,000 EUR	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	15,000,000 EUR	—	—	—	—	—	—	—	15,000,000 EUR	—	—	—	—	—	—	15,000,000 EUR	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	18,000,000 EUR	—	28,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	46,000,000 EUR	28,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	—	23,000,000 EUR	—	—	20,000,000 EUR	—	4,000,000 EUR	—	—	—	—	—	—	—	23,000,000 EUR	—	19,000,000 EUR	—	—	—	—	—	—	19,000,000 EUR	—	—	—	—	—	—	—	19,000,000 EUR	—	—	—	—	—	—	—	—	—	—