Statement Of Financial Position [Abstract]

F-Secure Oyj - Filing #2161417

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 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 2022-06-30	As at 2022-06-30	As at 2021-12-31	As at 2021-12-31
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	360,000 EUR	—	154,000 EUR	—	—	—	—	—	—	—	—
Right-of-use assets	—	—	—	1,257,000 EUR	—	1,834,000 EUR	—	—	—	—	—	—	—	—
Goodwill	—	—	—	88,361,000 EUR	—	—	—	—	—	—	—	—	—	—
Intangible assets other than goodwill	—	—	—	125,179,000 EUR	—	9,064,000 EUR	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	883,000 EUR	—	93,000 EUR	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	15,867,000 EUR	—	22,953,000 EUR	—	—	—	—	—	—	—	—
Assets	—	—	—	275,266,000 EUR	—	62,667,000 EUR	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	80,000 EUR	—	80,000 EUR	—	—	—	—	—	—	—	—
Retained earnings	—	—	—	25,485,000 EUR	—	15,213,000 EUR	—	—	—	—	—	—	—	—
Equity attributable to owners of parent	—	—	—	33,086,000 EUR	—	24,804,000 EUR	—	—	—	—	—	—	—	—
Equity	80,000 EUR	2,070,000 EUR	25,485,000 EUR	33,086,000 EUR	9,590,000 EUR	24,804,000 EUR	15,213,000 EUR	80,000 EUR	79,000 EUR	9,590,000 EUR	8,912,000 EUR	8,912,000 EUR	9,546,000 EUR	9,546,000 EUR
Liabilities [abstract]
Deferred tax liabilities	—	—	—	2,064,000 EUR	—	528,000 EUR	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	275,266,000 EUR	—	62,667,000 EUR	—	—	—	—	—	—	—	—