Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||
| Equity | — |
1 234 ,6
SEK
|
305,000,000
SEK
|
— | — |
-
SEK
|
— | — |
1 4 41, 2
SEK
|
2 3 7, 1
SEK
|
— |
178 , 6
SEK
|
1 293,1
SEK
|
-
SEK
|
— | — | — |
305,000,000
SEK
|
— |
1 4 41, 2
SEK
|
133, 6
SEK
|
3, 8
SEK
|
1 453,5
SEK
|
1 85,0
SEK
|
1 405,8
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||
| Profit (loss) |
-
SEK
|
— | — |
834,000,000
SEK
|
-
SEK
|
— |
834,000,000
SEK
|
-
SEK
|
— | — |
1, 5
SEK
|
— | — | — |
1, 5
SEK
|
-
SEK
|
-
SEK
|
— |
-
SEK
|
— | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — |
-
SEK
|
— | — | — |
9,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
-
SEK
|
— | — |
8 3,4
SEK
|
-
SEK
|
— |
834,000,000
SEK
|
-
SEK
|
— | — |
2 , 4
SEK
|
— | — | — |
6, 2
SEK
|
3, 8
SEK
|
-
SEK
|
— |
-
SEK
|
— | — | — | — | — | — |
| Issue of equity |
0
SEK
|
— | — |
-
SEK
|
-
SEK
|
— |
0
SEK
|
-
SEK
|
— | — |
4 7, 4
SEK
|
— | — | — |
-
SEK
|
-
SEK
|
12 ,0
SEK
|
— |
35, 4
SEK
|
— | — | — | — | — | — |
| Dividends recognised as distributions to owners |
-
SEK
|
— | — |
2 4 , 9
SEK
|
-
SEK
|
— |
24 , 9
SEK
|
-
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — | — | — | — | — | — | — | — | — | — |
-
SEK
|
— | — | — |
16 6 , 5
SEK
|
-
SEK
|
16 6 , 5
SEK
|
— |
-
SEK
|
— | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
-
SEK
|
— | — |
0
SEK
|
-
SEK
|
— |
0
SEK
|
-
SEK
|
— | — |
0
SEK
|
— | — | — |
0
SEK
|
-
SEK
|
-
SEK
|
— |
-
SEK
|
— | — | — | — | — | — |