Analysis Of Income And Expense [Abstract]

Kojamo Oyj - Filing #1991878

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	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	442,200,000 EUR	—	—	—	—	—	413,300,000 EUR	—
Material income and expense [abstract]
Write-downs (reversals of write-downs) of inventories [abstract]
Write-downs (reversals of write-downs) of inventories	- EUR	—	—	—	—	—	0 EUR	—
Gains (losses) on disposals of investment properties [abstract]
Gains (losses) on disposals of investment properties	200,000 EUR	—	—	—	—	—	200,000 EUR	—
Expenses by nature [abstract]
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Depreciation and amortisation expense	1,300,000 EUR	—	—	—	—	—	1,200,000 EUR	—
Other expenses, by nature	300,000 EUR	—	—	—	—	—	300,000 EUR	—
Disclosure of attribution of expenses by nature to their function [text block]	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [abstract]
Disclosure of attribution of expenses by nature to their function [line items]
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates and joint ventures accounted for using equity method	100,000 EUR	—	—	—	—	—	100,000 EUR	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	120,800,000 EUR	31,800,000 EUR	89,000,000 EUR	120,800,000 EUR	74,000,000 EUR	325,800,000 EUR	325,800,000 EUR	399,800,000 EUR
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	120,800,000 EUR	—	—	—	—	—	325,800,000 EUR	—