Statement Of Comprehensive Income [Abstract]

Elisa Oyj - Filing #2175386

Concept	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	2022-01-01 to 2022-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31
Statement of comprehensive income [abstract]
Profit (loss)	3,741,000,000 EUR	—	3,728,000,000 EUR	3,741,000,000 EUR	13,000,000 EUR	2,000,000 EUR	—	3,436,000,000 EUR	3,435,000,000 EUR	3,436,000,000 EUR
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]
Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans	4,000,000 EUR	4,000,000 EUR	4,000,000 EUR	—	—	—	28,000,000 EUR	28,000,000 EUR	28,000,000 EUR	—
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]
Exchange differences on translation [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	48,000,000 EUR	—	47,000,000 EUR	48,000,000 EUR	0 EUR	1,000,000 EUR	—	12,000,000 EUR	12,000,000 EUR	12,000,000 EUR
Cash flow hedges [abstract]
Other comprehensive income, net of tax, cash flow hedges	3,000,000 EUR	3,000,000 EUR	3,000,000 EUR	—	—	—	9,000,000 EUR	9,000,000 EUR	9,000,000 EUR	—
Other comprehensive income	47,000,000 EUR	0 EUR	47,000,000 EUR	48,000,000 EUR	0 EUR	1,000,000 EUR	19,000,000 EUR	31,000,000 EUR	30,000,000 EUR	12,000,000 EUR
Comprehensive income	3,693,000,000 EUR	0 EUR	3,680,000,000 EUR	3,693,000,000 EUR	13,000,000 EUR	1,000,000 EUR	19,000,000 EUR	3,406,000,000 EUR	3,404,000,000 EUR	3,424,000,000 EUR
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	3,693,000,000 EUR	—	—	—	—	—	3,405,000,000 EUR	—
Comprehensive income, attributable to non-controlling interests	—	—	13,000,000 EUR	—	—	—	—	—	1,000,000 EUR	—