Statement Of Changes In Equity [Abstract]
| Concept |
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 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
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 |
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 |
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 |
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 |
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 |
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 | — |
172 313
SEK
|
— |
24 904
SEK
|
28,000,000
SEK
|
11 594
SEK
|
— |
7 169
SEK
|
— | — | — |
218 874
SEK
|
50,000,000
SEK
|
— |
7,000,000
SEK
|
— |
17 275
SEK
|
218 901
SEK
|
— |
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
|
29,000,000
SEK
|
5 964
SEK
|
130 174
SEK
|
24 904
SEK
|
9 660
SEK
|
176 052
SEK
|
17 275
SEK
|
8,000,000
SEK
|
11,000,000
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
34 869
SEK
|
— | — | — | — | — |
34 869
SEK
|
— | — |
3,000,000
SEK
|
34 866
SEK
|
— | — | — | — | — | — | — |
34 130
SEK
|
— |
34 128
SEK
|
— |
2,000,000
SEK
|
34 128
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — |
1 877
SEK
|
— | — | — | — | — | — | — |
762,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
36 746
SEK
|
— |
2 264
SEK
|
— | — | — |
35 982
SEK
|
— |
1 472
SEK
|
3,000,000
SEK
|
36 744
SEK
|
— | — |
0
SEK
|
— |
28,000,000
SEK
|
— | — |
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
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
410,000,000
SEK
|
— | — | — | — | — |
410,000,000
SEK
|
— | — | — |
410,000,000
SEK
|
— | — | — | — | — | — | — |
284,000,000
SEK
|
— |
284,000,000
SEK
|
— | — |
284,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |