Statement Of Changes In Equity [Abstract]

Swedbank A - Filing #2550032

Concept	2023-01-01 to 2023-12-31	As at 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	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 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	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	198 790 SEK	—	152 962 SEK	—	—	30,000,000 SEK	—	—	5 697 SEK	24 904 SEK	9 330 SEK	198 760 SEK	7,000,000 SEK	—	22,000,000 SEK	17 275 SEK	—	176 080 SEK	—	—	—	—	5 964 SEK	29,000,000 SEK	130 174 SEK	24 904 SEK	9 660 SEK	176 052 SEK	—	17 275 SEK	8,000,000 SEK	—	11,000,000 SEK	—	—	117 985 SEK	58,000,000 SEK	2,000,000 SEK	17 275 SEK	161 696 SEK	3 248 SEK	484,000,000 SEK	162 181 SEK	484,000,000 SEK	484,000,000 SEK	2,000,000 SEK	3 248 SEK	117 501 SEK	58,000,000 SEK	17 275 SEK	161 670 SEK	26,000,000 SEK	24 904 SEK	5 294 SEK	162 155 SEK	26,000,000 SEK	5 294 SEK	24 904 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	34 130 SEK	—	34 128 SEK	—	2,000,000 SEK	34 128 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	21 368 SEK	21 365 SEK	3,000,000 SEK	—	—	—	—	—	—	—	—	—	—	21 365 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	762,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4 988 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	33 368 SEK	—	33 367 SEK	—	2,000,000 SEK	33 447 SEK	—	331,000,000 SEK	267,000,000 SEK	—	—	—	—	—	14,000,000 SEK	—	—	3,000,000 SEK	—	26 356 SEK	24 644 SEK	3,000,000 SEK	9,000,000 SEK	—	—	—	—	—	—	50,000,000 SEK	—	—	26 353 SEK	—	2 716 SEK	4 366 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	10 964 SEK	—	10 964 SEK	—	—	10 964 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	12 632 SEK	12 632 SEK	—	—	—	—	—	—	—	—	—	—	—	12 632 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	284,000,000 SEK	—	284,000,000 SEK	—	—	284,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	174,000,000 SEK	174,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	174,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—