Profit Or Loss [Abstract]

WithSecure Oyj - Filing #3037678

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	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	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	—	116 002 EUR	—	—	—	—	—	109 939 EUR	—	—	—	—
Other income	—	3 249 EUR	—	—	—	—	—	9 735 EUR	—	—	—	—
Profit (loss) from operating activities	—	10 083 EUR	—	—	—	—	—	35 692 EUR	—	—	—	—
Finance income	—	2 867 EUR	—	—	—	—	—	2 659 EUR	—	—	—	—
Finance costs	—	3 085 EUR	—	—	—	—	—	2 147 EUR	—	—	—	—
Profit (loss) before tax	—	10 301 EUR	—	—	—	—	—	35 180 EUR	—	—	—	—
Tax expense (income)	—	1 125 EUR	—	—	—	—	—	3 040 EUR	—	—	—	—
Profit (loss) from continuing operations	0 EUR	9 175 EUR	0 EUR	0 EUR	0 EUR	9 175 EUR	0 EUR	32 139 EUR	0 EUR	0 EUR	32 139 EUR	0 EUR
Profit (loss) from discontinued operations	0 EUR	28 804 EUR	0 EUR	0 EUR	0 EUR	28 804 EUR	0 EUR	7 891 EUR	0 EUR	0 EUR	7 891 EUR	0 EUR
Profit (loss)	—	37 979 EUR	—	—	—	—	—	40 030 EUR	—	—	—	—
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	37 979 EUR	—	—	—	—	—	40 030 EUR	—	—	—	—
Earnings per share [text block]	—	—	—	—	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share from continuing operations	—	5	—	—	—	—	—	18	—	—	—	—
Basic earnings (loss) per share from discontinued operations	—	16	—	—	—	—	—	4	—	—	—	—
Basic earnings (loss) per share	—	22	—	—	—	—	—	23	—	—	—	—