Analysis Of Income And Expense [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
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	—	—	—	2 988,5 EUR	—	—	—	—	—	2 356,6 EUR	—	—	—	—	—	—
Material income and expense [abstract]
Fuel and energy expense [abstract]
Fuel expense	—	—	—	8,989,000,000 EUR	—	—	—	—	—	8,351,000,000 EUR	—	—	—	—	—	—
Rental expense	—	—	—	1,072,000,000 EUR	—	—	—	—	—	1,025,000,000 EUR	—	—	—	—	—	—
Expenses by nature [abstract]
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss	—	—	—	3,462,000,000 EUR	—	—	—	—	—	3,498,000,000 EUR	—	—	—	—	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	—	—	—	23,000,000 EUR	—	—	—	—	—	100,000,000 EUR	—	—	—	—	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss	—	—	—	42,000,000 EUR	—	—	—	—	—	1,000,000 EUR	—	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	- EUR	- EUR	- EUR	2,600,000,000 EUR	- EUR	2,543,000,000 EUR	- EUR	58,000,000 EUR	- EUR	4,500,000,000 EUR	- EUR	- EUR	262,000,000 EUR	- EUR	4,762,000,000 EUR	- EUR
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	2,600,000,000 EUR	—	—	—	—	—	4,500,000,000 EUR	—	—	—	—	—	—