Statement Of Comprehensive Income [Abstract]

KONE Oyj - Filing #2207206

Concept	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31
Statement of comprehensive income [abstract]
Profit (loss)	939,200,000 EUR	947,300,000 EUR	8,100,000 EUR	938,600,000 EUR	7,300,000 EUR	931,300,000 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	—	8,800,000 EUR	—	34,300,000 EUR	—	—
Other comprehensive income, net of tax, gains (losses) on hedging instruments that hedge investments in equity instruments	—	4,800,000 EUR	—	2,700,000 EUR	—	—
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	13,600,000 EUR	—	37,000,000 EUR	—	—
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]
Exchange differences on translation [abstract]
Gains (losses) on exchange differences on translation of foreign operations, net of tax	—	173,200,000 EUR	—	54,000,000 EUR	—	—
Cash flow hedges [abstract]
Gains (losses) on cash flow hedges, net of tax	—	27,100,000 EUR	—	14,500,000 EUR	—	—
Hedges of net investment in foreign operations [abstract]
Gains (losses) on hedges of net investments in foreign operations, net of tax	—	52,000,000 EUR	—	8,500,000 EUR	—	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	94,100,000 EUR	—	31,000,000 EUR	—	—
Other comprehensive income	—	80,500,000 EUR	—	6,000,000 EUR	—	—
Comprehensive income	—	866,800,000 EUR	—	932,600,000 EUR	—	—
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	858,700,000 EUR	—	925,300,000 EUR	—	—
Comprehensive income, attributable to non-controlling interests	—	8,100,000 EUR	—	7,300,000 EUR	—	—