Disclosure Of Fair Value Measurement [Text Block]

Arendals Fossekompani - Filing #2615614

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
Disclosure of fair value measurement [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of assets [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of assets [abstract]
Disclosure of fair value measurement of assets [line items]
Assets	—	—	—	6 837 898 NOK	—	—	—	—	—	—	—	—	—	—	—	6 986 887 NOK	—	—	—	—	—	—	—	—
Reconciliation of changes in fair value measurement, assets [abstract]
Disclosure of fair value measurement of equity [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of equity [abstract]
Disclosure of fair value measurement of equity [line items]
Equity	63 119 NOK	3 239 841 NOK	47 018 NOK	3 908 837 NOK	3 363 804 NOK	10 120 NOK	545 033 NOK	223 981 NOK	2 680 331 NOK	303 010 NOK	3 552 519 NOK	223 981 NOK	63 866 NOK	704 398 NOK	7 675 NOK	3 855 530 NOK	3 176 699 NOK	141 725 NOK	868 148 NOK	3 318 425 NOK	5 510 NOK	2 145 575 NOK	66 514 NOK	223 981 NOK
Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract]