Statement Of Financial Position [Abstract]

Finnair Oyj - Filing #2161306

Concept	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31
Statement of financial position [abstract]
Assets [abstract]
Deferred tax assets	—	2,340,000,000 EUR	—	—	—	—	—	—	—	806,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	1,451,000,000 EUR	—	—	—	—	—	—	—	7,858,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Assets	—	3 698,0 EUR	—	—	—	—	—	—	—	4 133,0 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	754,000,000 EUR	—	—	—	—	—	—	—	754,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity	- EUR	5,770,000,000 EUR	- EUR	1,681,000,000 EUR	1 040,2 EUR	754,000,000 EUR	486,000,000 EUR	1 325,0 EUR	7,633,000,000 EUR	4,107,000,000 EUR	1,681,000,000 EUR	428,000,000 EUR	1 237,0 EUR	754,000,000 EUR	1,980,000,000 EUR	4,000,000,000 EUR	7,445,000,000 EUR	4,757,000,000 EUR	166,000,000 EUR	1,980,000,000 EUR	- EUR	7,620,000,000 EUR	1,681,000,000 EUR	754,000,000 EUR
Liabilities [abstract]
Liabilities	—	3 121,0 EUR	—	—	—	—	—	—	—	3 722,4 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	3 698,0 EUR	—	—	—	—	—	—	—	4 133,0 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—