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 |
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 |
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 |
2023-01-01 to 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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||
| Equity | — |
1 705
SEK
|
— |
2,000,000
SEK
|
623,000,000
SEK
|
— | — | — |
15,000,000
SEK
|
— |
5 286
SEK
|
7 600
SEK
|
— |
6 955
SEK
|
1 363
SEK
|
— | — | — |
2,000,000
SEK
|
324,000,000
SEK
|
11,000,000
SEK
|
— |
5 277
SEK
|
— |
4 377
SEK
|
1 018
SEK
|
1,000,000
SEK
|
487,000,000
SEK
|
2 871
SEK
|
0
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||
| Profit (loss) |
−
SEK
|
— |
−
SEK
|
— | — |
623,000,000
SEK
|
623,000,000
SEK
|
−
SEK
|
— |
−
SEK
|
— | — |
515,000,000
SEK
|
— | — |
515,000,000
SEK
|
−
SEK
|
−
SEK
|
— | — | — |
−
SEK
|
— |
−
SEK
|
— | — | — | — | — | — |
| Other comprehensive income |
−
SEK
|
— |
298,000,000
SEK
|
— | — |
16,000,000
SEK
|
278,000,000
SEK
|
4,000,000
SEK
|
— |
−
SEK
|
— | — |
151,000,000
SEK
|
— | — |
23,000,000
SEK
|
163,000,000
SEK
|
−
SEK
|
— | — | — |
−
SEK
|
— |
11,000,000
SEK
|
— | — | — | — | — | — |
| Comprehensive income |
−
SEK
|
— |
298,000,000
SEK
|
— | — |
607,000,000
SEK
|
901,000,000
SEK
|
4,000,000
SEK
|
— |
−
SEK
|
— | — |
365,000,000
SEK
|
— | — |
539,000,000
SEK
|
163,000,000
SEK
|
−
SEK
|
— | — | — |
−
SEK
|
— |
11,000,000
SEK
|
— | — | — | — | — | — |
| Dividends recognised as distributions to owners |
−
SEK
|
— |
−
SEK
|
— | — |
265,000,000
SEK
|
265,000,000
SEK
|
−
SEK
|
— |
−
SEK
|
— | — |
194,000,000
SEK
|
— | — |
194,000,000
SEK
|
−
SEK
|
−
SEK
|
— | — | — |
−
SEK
|
— |
−
SEK
|
— | — | — | — | — | — |