Statement Of Changes In Equity [Abstract]

Finnair Oyj - Filing #2178471

Concept	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	4,107,000,000 EUR	1,681,000,000 EUR	—	—	7,633,000,000 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	7,620,000,000 EUR	—	4,757,000,000 EUR	—	166,000,000 EUR	1,980,000,000 EUR	1,681,000,000 EUR	754,000,000 EUR	—	—	2,626,000,000 EUR	1,980,000,000 EUR	1,681,000,000 EUR	7,595,000,000 EUR	754,000,000 EUR	418,000,000 EUR	8,966,000,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	—	4,762,000,000 EUR	—	4,762,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4,643,000,000 EUR	4,643,000,000 EUR	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	262,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	584,000,000 EUR	—	—	—	—	—	—	—	—
Comprehensive income	—	—	—	4,500,000,000 EUR	—	4,762,000,000 EUR	—	—	—	262,000,000 EUR	—	—	—	—	—	—	584,000,000 EUR	—	—	—	—	4,059,000,000 EUR	4,643,000,000 EUR	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	—	14,000,000 EUR	14,000,000 EUR	—	—	—	—	—	—	—	—	—	—	24,000,000 EUR	—	—	—	—	—	—	24,000,000 EUR	—	—	—	—	—	—	—	—