Statement Of Changes In Equity [Abstract]

Nordnet Bank - Filing #5861355

Concept	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	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	As at 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	As at 2023-12-31	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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	9,000,000,000 SEK	—	—	—	263,000,000 SEK	13,000,000 SEK	—	—	1,059,000,000 SEK	—	7 114,0 SEK	7 935,7 SEK	—	7 702,4 SEK	—	1 400,0 SEK	—	8,938,000,000 SEK	1,321,000,000 SEK	—	—	13,000,000 SEK	—	7 327,0 SEK	6 050,1 SEK	1 100,0 SEK	1,612,000,000 SEK	1 976,6 SEK	12,000,000 SEK	7 086,7 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	- SEK	- SEK	- SEK	—	—	2 813,6 SEK	2 813,6 SEK	—	- SEK	—	—	2 578,7 SEK	—	- SEK	—	- SEK	—	—	2 578,7 SEK	- SEK	—	- SEK	—	—	—	—	—	—	—
Other comprehensive income	—	- SEK	262,000,000 SEK	- SEK	—	—	- SEK	262,000,000 SEK	—	- SEK	—	—	291,000,000 SEK	—	- SEK	—	291,000,000 SEK	—	—	- SEK	- SEK	—	- SEK	—	—	—	—	—	—	—
Comprehensive income	—	- SEK	262,000,000 SEK	- SEK	—	—	2 813,6 SEK	2 839,8 SEK	—	- SEK	—	—	2 607,8 SEK	—	- SEK	—	291,000,000 SEK	—	—	2 578,7 SEK	- SEK	—	- SEK	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	- SEK	- SEK	- SEK	—	—	1 808,3 SEK	1 808,3 SEK	—	- SEK	—	—	1 148,3 SEK	—	- SEK	—	- SEK	—	—	1 148,3 SEK	- SEK	—	- SEK	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	- SEK	- SEK	0 SEK	—	—	- SEK	715,000,000 SEK	—	715,000,000 SEK	—	—	97,000,000 SEK	—	- SEK	—	- SEK	—	—	- SEK	0 SEK	—	97,000,000 SEK	—	—	—	—	—	—	—
Increase (decrease) in equity	—	5,000,000,000 SEK	- SEK	- SEK	—	—	1 893,6 SEK	2 606,5 SEK	—	2,131,000,000 SEK	—	—	9,556,000,000 SEK	—	3,000,000,000 SEK	—	- SEK	—	—	1 495,9 SEK	- SEK	—	2,403,000,000 SEK	—	—	—	—	—	—	—