Statement Of Financial Position [Abstract]

Elisa Oyj - Filing #2196757

Concept	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	752,700,000 EUR	—	—	—	—	—	—	—	—	—	—	—	735,100,000 EUR	—	—	—	—	—	—	—	—
Right-of-use assets	—	—	—	91,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	94,600,000 EUR	—	—	—	—	—	—	—	—
Goodwill	—	—	—	1,139,400,000 EUR	—	—	—	—	—	—	—	—	—	—	—	1,131,400,000 EUR	—	—	—	—	—	—	—	—
Intangible assets other than goodwill	—	—	—	198,100,000 EUR	—	—	—	—	—	—	—	—	—	—	—	210,100,000 EUR	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	13,100,000 EUR	—	—	—	—	—	—	—	—	—	—	—	11,900,000 EUR	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	114,100,000 EUR	—	—	—	—	—	—	—	—	—	—	—	220,100,000 EUR	—	—	—	52,000,000 EUR	—	—	—	—
Assets	—	—	—	3,028,400,000 EUR	—	—	—	—	—	—	—	—	—	—	—	3,041,400,000 EUR	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	83,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	83,000,000 EUR	—	—	—	—	—	—	—	—
Retained earnings	—	—	—	776,100,000 EUR	—	—	—	—	—	—	—	—	—	—	—	761,500,000 EUR	—	—	—	—	—	—	—	—
Treasury shares	—	—	—	126,100,000 EUR	—	—	—	—	—	—	—	—	—	—	—	128,400,000 EUR	—	—	—	—	—	—	—	—
Other reserves	—	—	—	373,900,000 EUR	—	—	—	—	—	—	—	—	—	—	—	375,700,000 EUR	—	—	—	—	—	—	—	—
Equity attributable to owners of parent	—	—	—	1,197,800,000 EUR	—	—	—	—	—	—	—	—	—	—	—	1,182,700,000 EUR	—	—	—	—	—	—	—	—
Non-controlling interests	—	—	—	6,300,000 EUR	—	—	—	—	—	—	—	—	—	—	—	1,500,000 EUR	—	—	—	—	—	—	—	—
Equity	126,100,000 EUR	776,100,000 EUR	373,900,000 EUR	1,204,100,000 EUR	90,900,000 EUR	1,197,800,000 EUR	6,300,000 EUR	83,000,000 EUR	761,500,000 EUR	1,500,000 EUR	1,182,700,000 EUR	83,000,000 EUR	90,900,000 EUR	128,400,000 EUR	375,700,000 EUR	1,184,200,000 EUR	1,149,600,000 EUR	700,000 EUR	370,800,000 EUR	1,150,300,000 EUR	737,000,000 EUR	132,200,000 EUR	90,900,000 EUR	83,000,000 EUR
Liabilities [abstract]
Deferred tax liabilities	—	—	—	25,300,000 EUR	—	—	—	—	—	—	—	—	—	—	—	26,200,000 EUR	—	—	—	—	—	—	—	—
Liabilities	—	—	—	1,824,300,000 EUR	—	—	—	—	—	—	—	—	—	—	—	1,857,200,000 EUR	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	3,028,400,000 EUR	—	—	—	—	—	—	—	—	—	—	—	3,041,400,000 EUR	—	—	—	—	—	—	—	—