Statement Of Comprehensive Income [Abstract]

Elkem - Filing #2585159

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	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	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)	- NOK	9 642 NOK	9 561 NOK	80,000,000 NOK	- NOK	9 561 NOK	- NOK	9 561 NOK	- NOK	- NOK	36,000,000 NOK	- NOK	4 628 NOK	- NOK	4 628 NOK	- NOK	- NOK	- NOK	4 664 NOK	4 628 NOK
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	—	146,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	69,000,000 NOK	—
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Cash flow hedges [abstract]
Gains (losses) on cash flow hedges, before tax	—	992,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	979,000,000 NOK	—
Reclassification adjustments on cash flow hedges, before tax	—	424,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	282,000,000 NOK	—
Hedges of net investment in foreign operations [abstract]
Other comprehensive income, before tax, hedges of net investments in foreign operations	—	142,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	130,000,000 NOK	—
Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax	—	13,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	- NOK	—
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income	—	33,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	10,000,000 NOK	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract]
Income tax relating to cash flow hedges included in other comprehensive income	—	218,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	215,000,000 NOK	—
Income tax relating to hedges of net investments in foreign operations included in other comprehensive income	—	31,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	29,000,000 NOK	—
Other comprehensive income	- NOK	1 234 NOK	1 228 NOK	6,000,000 NOK	444,000,000 NOK	124,000,000 NOK	- NOK	1 228 NOK	661,000,000 NOK	- NOK	0 NOK	544,000,000 NOK	1 079 NOK	460,000,000 NOK	75,000,000 NOK	- NOK	- NOK	- NOK	1 078 NOK	1 079 NOK
Comprehensive income	- NOK	10 876 NOK	10 790 NOK	86,000,000 NOK	444,000,000 NOK	9 685 NOK	- NOK	10 790 NOK	661,000,000 NOK	- NOK	36,000,000 NOK	544,000,000 NOK	5 706 NOK	460,000,000 NOK	4 703 NOK	- NOK	- NOK	- NOK	5 742 NOK	5 706 NOK
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	10 790 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	5 706 NOK	—
Comprehensive income, attributable to non-controlling interests	—	86,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	36,000,000 NOK	—