Disclosure Of Income Tax [Text Block]

Admiral Group PLC - Filing #1610875

Concept	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 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	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	As at 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	2020-01-01 to 2020-12-31
Disclosure of income tax [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Major components of tax expense (income) [abstract]
Tax expense (income)	—	—	—	—	—	—	—	—	1 3 0 . 2 GBP	—	1 0 6 . 2 GBP	—	—	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to financial assets measured at fair value through other comprehensive income included in other comprehensive income	– GBP	– GBP	1 .4 GBP	—	– GBP	– GBP	1,400,000 GBP	– GBP	1,400,000 GBP	– GBP	1 . 8 GBP	– GBP	1 . 8 GBP	– GBP	—	– GBP	– GBP	– GBP	– GBP	1. 8 GBP
Tax expense (income) of discontinued operation [abstract]
Tax expense (income) relating to profit (loss) from ordinary activities of discontinued operations	—	—	—	—	—	—	—	—	2 . 3 GBP	—	3 .6 GBP	—	—	—	—	—	—	—	—	—
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	—	—	—	9,300,000 GBP	—	—	—	—	—	—	—	—	—	—	– GBP	—	—	—	—	—
Deferred tax liabilities	—	—	—	_ GBP	—	—	—	—	—	—	—	—	—	—	900,000 GBP	—	—	—	—	—
Reconciliation of accounting profit multiplied by applicable tax rates [abstract]