Corporate Information And Statement Of Ifrs Compliance [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|
| Corporate information and statement of IFRS compliance [abstract] | |||||
| Name of reporting entity or other means of identification | — |
Fortum Oyj
|
— | — | — |
| Domicile of entity | — |
Suomi
|
— | — | — |
| Legal form of entity | — |
julkinen osakeyhtiö
|
— | — | — |
| Country of incorporation | — |
Suomi
|
— | — | — |
| Address of entity's registered office | — |
Espoo,
|
— | — | — |
| Description of nature of entity's operations and principal activities | — |
Fortum on energiayhtiö, joka edistää muutosta kohti
|
— | — | — |
| Statement of IFRS compliance [text block] | — |
Fortum-konsernin konsernitilinpäätös tilikaudelle 1.1.
|
— | — | — |
| Disclosure of reclassifications or changes in presentation [text block] | — |
1.7 Uniperin konsolidoinnin päättymisen vaikutus
|
— | — | — |
| Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [text block] | — | — | — | — | — |
| Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [abstract] | |||||
| Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items] | |||||
| Current inventories |
465,000,000
EUR
|
— |
2 275
EUR
|
— | — |
| Explanation of sources of estimation uncertainty with significant risk of causing material adjustment | — |
2 Kriittiset tilinpäätösarviot ja -harkinnat
|
— | — | — |
| Disclosure of objectives, policies and processes for managing capital [text block] | — |
5 Pääomariskien hallinta
|
— | — | — |
| Dividends recognised as distributions to owners per share | — | — | — |
114.00
|
112.00
|
| Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners | — |
817,000,000
EUR
|
— | — | — |
| Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners per share | — |
91.00
|
— | — | — |