Profit Or Loss [Abstract]

Fortum Oyj - Filing #3292332

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	—	5 800 EUR	—	—	—	6 711 EUR	—	—
Other income	—	48,000,000 EUR	—	—	—	32,000,000 EUR	—	—
Employee benefits expense	—	485,000,000 EUR	—	—	—	436,000,000 EUR	—	—
Depreciation and amortisation expense	—	379,000,000 EUR	—	—	—	359,000,000 EUR	—	—
Impairment loss (reversal of impairment loss) recognised in profit or loss	—	17,000,000 EUR	—	—	—	0 EUR	—	—
Other expenses, by nature	—	511,000,000 EUR	—	—	—	595,000,000 EUR	—	—
Profit (loss) from operating activities	—	1 325 EUR	—	—	—	1 662 EUR	—	—
Finance income	—	234,000,000 EUR	—	—	—	165,000,000 EUR	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	19,000,000 EUR	—	—	—	59,000,000 EUR	—	—
Profit (loss) before tax	—	1 399 EUR	—	—	—	1 583 EUR	—	—
Tax expense (income)	—	239,000,000 EUR	—	—	—	69,000,000 EUR	—	—
Profit (loss) from continuing operations	—	1 160 EUR	—	—	—	1 515 EUR	—	—
Profit (loss) from discontinued operations	—	— EUR	—	—	—	3 582 EUR	—	—
Profit (loss)	4,000,000 EUR	1 160 EUR	1 164 EUR	1 164 EUR	2 069 EUR	2 067 EUR	2,000,000 EUR	2 069 EUR
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	1 164 EUR	—	—	—	2 069 EUR	—	—
Profit (loss), attributable to non-controlling interests	—	4,000,000 EUR	—	—	—	2,000,000 EUR	—	—
Earnings per share [text block]	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share from continuing operations	—	130.00	—	—	—	168.00	—	—
Basic earnings (loss) per share from discontinued operations	—	—	—	—	—	399.00	—	—
Basic earnings (loss) per share	—	130.00	—	—	—	231.00	—	—