Disclosure Of Income Tax [Text Block]

Swedbank A - Filing #2620192

Concept	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	2021-01-01 to 2021-12-31	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	2020-01-01 to 2020-12-31	As at 2019-12-31
Disclosure of income tax [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Major components of tax expense (income) [abstract]
Tax expense (income)	—	—	—	—	—	—	4 945 SEK	—	—	—	3 851 SEK	—	—	—	—	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to components of other comprehensive income	—	1,000,000 SEK	1,000,000 SEK	0 SEK	150,000,000 SEK	199,000,000 SEK	199,000,000 SEK	347,000,000 SEK	1 064 SEK	—	1 371 SEK	1,000,000 SEK	2,000,000 SEK	1 371 SEK	13,000,000 SEK	321,000,000 SEK	—
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	113,000,000 SEK	—	—	—	—	—	—	—	—	124,000,000 SEK	—	—	—	—	—	—	170,000,000 SEK
Deferred tax liabilities	3 398 SEK	—	—	—	—	—	—	—	—	2 784 SEK	—	—	—	—	—	—	1 571 SEK
Reconciliation of changes in deferred tax liability (asset) [abstract]
Changes in deferred tax liability (asset) [abstract]
Reconciliation of accounting profit multiplied by applicable tax rates [abstract]