Statement Of Changes In Equity [Abstract]

Metso Outotec Oyj - Filing #2196688

Concept	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	As at 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	2021-01-01 to 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	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	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	1 156 EUR	1 130 EUR	—	—	2 251 EUR	—	—	2 250 EUR	20,000,000 EUR	—	164,000,000 EUR	107,000,000 EUR	1,000,000 EUR	—	—	—	983,000,000 EUR	3,000,000 EUR	2 037 EUR	107,000,000 EUR	—	210,000,000 EUR	1 136 EUR	20,000,000 EUR	—	—	2 040 EUR	—	—	—	—	1 252 EUR	3,000,000 EUR	0 EUR	151,000,000 EUR	- EUR	1 254 EUR	1 403 EUR	- EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	0 EUR	—	—	- EUR	342,000,000 EUR	—	- EUR	- EUR	—	—	- EUR	—	—	—	342,000,000 EUR	342,000,000 EUR	138,000,000 EUR	—	—	—	—	138,000,000 EUR	—	—	—	- EUR	- EUR	—	- EUR	0 EUR	- EUR	138,000,000 EUR	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	—	—	—	—	—	—	—	—	—	—	—	38,000,000 EUR	—	56,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	0 EUR	—	—	13,000,000 EUR	380,000,000 EUR	—	- EUR	46,000,000 EUR	—	—	- EUR	—	—	—	380,000,000 EUR	347,000,000 EUR	82,000,000 EUR	—	—	—	—	132,000,000 EUR	—	—	—	9,000,000 EUR	- EUR	—	58,000,000 EUR	0 EUR	- EUR	83,000,000 EUR	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	- EUR	—	—	- EUR	166,000,000 EUR	—	- EUR	- EUR	—	—	- EUR	—	—	—	166,000,000 EUR	166,000,000 EUR	177,000,000 EUR	—	—	—	—	177,000,000 EUR	—	—	—	- EUR	- EUR	—	- EUR	0 EUR	- EUR	177,000,000 EUR	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	0 EUR	—	—	- EUR	2,000,000 EUR	—	- EUR	- EUR	—	—	- EUR	—	—	—	2,000,000 EUR	2,000,000 EUR	6,000,000 EUR	—	—	—	—	6,000,000 EUR	—	—	—	- EUR	- EUR	—	- EUR	0 EUR	- EUR	6,000,000 EUR	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	- EUR	—	—	7,000,000 EUR	4,000,000 EUR	—	- EUR	- EUR	—	—	- EUR	—	—	—	4,000,000 EUR	3,000,000 EUR	2,000,000 EUR	—	—	—	—	4,000,000 EUR	—	—	—	2,000,000 EUR	- EUR	—	- EUR	- EUR	- EUR	2,000,000 EUR	—	—	—	—	—	—	—	—