Statement Of Comprehensive Income [Abstract]

Swedbank A - Filing #3494764

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	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
Statement of comprehensive income [abstract]
Profit (loss)	—	3,000,000 SEK	34 866 SEK	—	—	—	34 869 SEK	34 869 SEK	—	34 130 SEK	2,000,000 SEK	—	34 128 SEK	—	34 128 SEK	—
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	—	—	1 360 SEK	—	—	—	—	—	—	839,000,000 SEK	—	—	—	—	—	—
Other comprehensive income, before tax, change in fair value of financial liability attributable to change in credit risk of liability	—	—	0 SEK	—	—	—	—	—	—	0 SEK	—	—	—	—	—	—
Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, before tax	—	—	33,000,000 SEK	—	—	—	—	—	—	14,000,000 SEK	—	—	—	—	—	—
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Exchange differences on translation [abstract]
Gains (losses) on exchange differences on translation of foreign operations, before tax	—	—	2 260 SEK	—	—	—	—	—	—	290,000,000 SEK	—	—	—	—	—	—
Reclassification adjustments on exchange differences on translation of foreign operations, before tax	—	—	1,000,000 SEK	—	—	—	—	—	—	0 SEK	—	—	—	—	—	—
Cash flow hedges [abstract]
Gains (losses) on cash flow hedges, before tax	—	—	278,000,000 SEK	—	—	—	—	—	—	5,000,000 SEK	—	—	—	—	—	—
Reclassification adjustments on cash flow hedges, before tax	—	—	278,000,000 SEK	—	—	—	—	—	—	9,000,000 SEK	—	—	—	—	—	—
Hedges of net investment in foreign operations [abstract]
Gains (losses) on hedges of net investments in foreign operations, before tax	—	—	1 856 SEK	—	—	—	—	—	—	336,000,000 SEK	—	—	—	—	—	—
Reclassification adjustments on hedges of net investments in foreign operations, before tax	—	—	2,000,000 SEK	—	—	—	—	—	—	0 SEK	—	—	—	—	—	—
Cost of hedging [abstract]
Change in value of foreign currency basis spreads [abstract]
Gains (losses) on change in value of foreign currency basis spreads, before tax	—	—	35,000,000 SEK	—	—	—	—	—	—	18,000,000 SEK	—	—	—	—	—	—
Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax	—	—	5,000,000 SEK	—	—	—	—	—	—	41,000,000 SEK	—	—	—	—	—	—
Other comprehensive income, before tax	1 854 SEK	—	1 768 SEK	0 SEK	35,000,000 SEK	2 264 SEK	1 393 SEK	1 768 SEK	331,000,000 SEK	870,000,000 SEK	—	4,000,000 SEK	853,000,000 SEK	18,000,000 SEK	870,000,000 SEK	336,000,000 SEK
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	—	—	280,000,000 SEK	—	—	—	—	—	—	172,000,000 SEK	—	—	—	—	—	—
Other comprehensive income	—	—	1 877 SEK	—	—	—	—	—	—	762,000,000 SEK	—	—	—	—	—	—
Comprehensive income	1 472 SEK	3,000,000 SEK	36 744 SEK	0 SEK	28,000,000 SEK	2 264 SEK	35 982 SEK	36 746 SEK	331,000,000 SEK	33 368 SEK	2,000,000 SEK	3,000,000 SEK	33 447 SEK	14,000,000 SEK	33 367 SEK	267,000,000 SEK
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	36 746 SEK	—	—	—	—	—	—	33 367 SEK	—	—	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	3,000,000 SEK	—	—	—	—	—	—	2,000,000 SEK	—	—	—	—	—	—