Statement Of Comprehensive Income [Abstract]

Swedbank A - Filing #2620192

Concept	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	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	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
Statement of comprehensive income [abstract]
Profit (loss)	1,000,000 SEK	—	—	—	—	—	20 871 SEK	20 872 SEK	20 871 SEK	12 929 SEK	12 929 SEK	—	0 SEK	—	—	12 929 SEK	—	—
Other comprehensive income [abstract]
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	—	—	—	—	—	—	1 360 SEK	—	—	4 203 SEK	—	—	—	—	—	—	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	—	—	—	—	—	—	365,000,000 SEK	—	—	749,000,000 SEK	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	—	—	—	—	1 725 SEK	—	—	3 454 SEK	—	—	—	—	—	—	—
Comprehensive income	1,000,000 SEK	4,000,000 SEK	1,000,000 SEK	0 SEK	579,000,000 SEK	939,000,000 SEK	22 596 SEK	22 597 SEK	22 231 SEK	17 127 SEK	16 383 SEK	1 924 SEK	0 SEK	7,000,000 SEK	5,000,000 SEK	16 383 SEK	1 211 SEK	29,000,000 SEK
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	—	22 596 SEK	—	—	16 383 SEK	—	—	—	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	—	1,000,000 SEK	—	—	0 SEK	—	—	—	—	—	—	—