Disclosure Of Income Tax [Text Block]

Gjensidige Forsikring ASA - Filing #2621067

Concept	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31
Disclosure of income tax [text block]	—	—	—	—
Major components of tax expense (income) [abstract]
Tax expense (income)	—	1,658,300 NOK	—	1,387,800 NOK
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to exchange differences on translation of foreign operations included in other comprehensive income	—	637,000,000 NOK	—	672,000,000 NOK
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income	—	376,000,000 NOK	—	280,000,000 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 assets	241,000,000 NOK	—	207,000,000 NOK	—
Deferred tax liabilities	614, 2 NOK	—	9,562,000,000 NOK	—
Reconciliation of accounting profit multiplied by applicable tax rates [abstract]