Analysis Of Income And Expense [Abstract]

Kojamo Oyj - Filing #2161512

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	4,422,000,000 EUR	—	—	—	—	—	4,133,000,000 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	2,000,000 EUR	—	—	—	—	—	2,000,000 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	13,000,000 EUR	—	—	—	—	—	12,000,000 EUR	—
Other expenses, by nature	3,000,000 EUR	—	—	—	—	—	3,000,000 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	1,000,000 EUR	—	—	—	—	—	1,000,000 EUR	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	1,208,000,000 EUR	318,000,000 EUR	890,000,000 EUR	1,208,000,000 EUR	740,000,000 EUR	3,258,000,000 EUR	3,258,000,000 EUR	3,998,000,000 EUR
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	1,208,000,000 EUR	—	—	—	—	—	3,258,000,000 EUR	—