Statement Of Comprehensive Income [Abstract]

Mowi ASA - Filing #2616583

Concept	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	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Statement of comprehensive income [abstract]
Profit (loss)	200,000 EUR	487,600,000 EUR	—	487,600,000 EUR	487,900,000 EUR	119,100,000 EUR	—	1,600,000 EUR	117,500,000 EUR	117,500,000 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	—	—	—	—	5,300,000 EUR	3,900,000 EUR	—	—	—	—
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	—	—	—	5,300,000 EUR	3,900,000 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	—	—	—	—	99,800,000 EUR	118,800,000 EUR	—	—	—	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	—	—	—	99,800,000 EUR	118,800,000 EUR	—	—	—	—
Other comprehensive income	— EUR	5,300,000 EUR	99,800,000 EUR	105,100,000 EUR	105,100,000 EUR	114,900,000 EUR	118,800,000 EUR	100,000 EUR	114,900,000 EUR	3,900,000 EUR
Comprehensive income	—	—	—	—	593,000,000 EUR	4,200,000 EUR	—	—	—	—
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	592,700,000 EUR	2,600,000 EUR	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	300,000 EUR	1,600,000 EUR	—	—	—	—