Disclosure Of Income Tax [Text Block]

SalMar ASA - Filing #2544216

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 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	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Disclosure of income tax [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Major components of tax expense (income) [abstract]
Tax expense (income)	—	4,533,736,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	953,996,000 NOK	—	—	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income	0 NOK	156,000 NOK	—	156,000 NOK	0 NOK	0 NOK	156,000 NOK	0 NOK	0 NOK	0 NOK	0 NOK	0 NOK	0 NOK	—	0 NOK	0 NOK	753,000 NOK	753,000 NOK	0 NOK	0 NOK	0 NOK	0 NOK	753,000 NOK	0 NOK	0 NOK	0 NOK
Disclosure of temporary difference, unused tax losses and unused tax credits [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax assets and liabilities [abstract]
Deferred tax liabilities	—	—	6,724,797,000 NOK	—	—	—	—	—	—	—	—	—	—	1,927,804,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—
Reconciliation of accounting profit multiplied by applicable tax rates [abstract]