Statement Of Changes In Equity [Abstract]
| Concept |
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 |
As at 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 |
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 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
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 |
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 |
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 |
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 | — |
462,000,000
SEK
|
179 535
SEK
|
8 758
SEK
|
— |
3 069
SEK
|
6,000,000
SEK
|
5 249
SEK
|
— | — | — | — |
308,000,000
SEK
|
— |
369,000,000
SEK
|
210 027
SEK
|
— |
12 271
SEK
|
11 963
SEK
|
— | — |
205 085
SEK
|
396,000,000
SEK
|
— |
177 011
SEK
|
— | — |
8,000,000
SEK
|
— |
8 758
SEK
|
3 502
SEK
|
3 069
SEK
|
181,000,000
SEK
|
197,000,000
SEK
|
— | — |
194 024
SEK
|
13 739
SEK
|
793,000,000
SEK
|
3,000,000
SEK
|
8 758
SEK
|
163 510
SEK
|
3 069
SEK
|
4 332
SEK
|
126,000,000
SEK
|
307,000,000
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — |
27 451
SEK
|
5,000,000
SEK
|
27 456
SEK
|
— | — | — | — | — | — | — | — |
29 114
SEK
|
— | — | — | — | — |
8,000,000
SEK
|
29 107
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
66,000,000
SEK
|
— | — | — |
1 747
SEK
|
— | — | — | — |
7,000,000
SEK
|
2 412
SEK
|
127,000,000
SEK
|
— |
171,000,000
SEK
|
— | — |
308,000,000
SEK
|
— | — |
2 447
SEK
|
1 776
SEK
|
— | — |
396,000,000
SEK
|
— |
3,000,000
SEK
|
— | — |
831,000,000
SEK
|
— | — | — | — | — |
71,000,000
SEK
|
488,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
66,000,000
SEK
|
— | — | — |
1 747
SEK
|
— | — | — |
27 451
SEK
|
2,000,000
SEK
|
29 868
SEK
|
127,000,000
SEK
|
— |
171,000,000
SEK
|
— | — |
308,000,000
SEK
|
— | — |
26 667
SEK
|
1 776
SEK
|
— | — |
396,000,000
SEK
|
— |
5,000,000
SEK
|
29 107
SEK
|
— |
831,000,000
SEK
|
— | — | — | — | — |
71,000,000
SEK
|
488,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — | — | — | — | — |
25 740
SEK
|
— |
25 740
SEK
|
— | — | — | — | — | — | — | — |
15 840
SEK
|
— | — | — | — | — | — |
15 840
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — | — | — | — | — | — | — | — |
54,000,000
SEK
|
— |
54,000,000
SEK
|
— | — | — | — | — | — | — | — |
79,000,000
SEK
|
— | — | — | — | — | — |
79,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — | — | — | — |
54,000,000
SEK
|
— |
54,000,000
SEK
|
— | — | — | — | — | — | — | — |
79,000,000
SEK
|
— | — | — | — | — | — |
79,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |