Profit Or Loss [Abstract]

Finnair Oyj - Filing #2161306

Concept	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	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	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	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	—	—	—	2 988,5 EUR	—	—	—	—	—	2 356,6 EUR	—	—	—	—	—	—
Other income	—	—	—	1,305,000,000 EUR	—	—	—	—	—	1,535,000,000 EUR	—	—	—	—	—	—
Profit (loss) from operating activities	—	—	—	1,914,000,000 EUR	—	—	—	—	—	2,006,000,000 EUR	—	—	—	—	—	—
Finance income	—	—	—	562,000,000 EUR	—	—	—	—	—	65,000,000 EUR	—	—	—	—	—	—
Finance costs	—	—	—	1,422,000,000 EUR	—	—	—	—	—	1,379,000,000 EUR	—	—	—	—	—	—
Profit (loss) before tax	—	—	—	1,191,000,000 EUR	—	—	—	—	—	3,707,000,000 EUR	—	—	—	—	—	—
Tax expense (income)	—	—	—	1,352,000,000 EUR	—	—	—	—	—	1,054,000,000 EUR	—	—	—	—	—	—
Profit (loss)	- EUR	- EUR	- EUR	2,543,000,000 EUR	- EUR	2,543,000,000 EUR	- EUR	- EUR	- EUR	4,762,000,000 EUR	- EUR	- EUR	- EUR	4,762,000,000 EUR	- EUR	- EUR
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	—	—	2,543,000,000 EUR	—	—	—	—	—	4,762,000,000 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	—	—	—	22.000	—	—	—	—	—	60.000	—	—	—	—	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	—	—	22.000	—	—	—	—	—	60.000	—	—	—	—	—	—