Statement Of Changes In Equity [Abstract]
| Concept |
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 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||
| Statement of changes in equity [line items] | ||||||||||||
| Dividends recognised as distributions to owners of parent | — |
5 443
SEK
|
— | — |
5 092
SEK
|
— | — | — | — |
4 916
SEK
|
— | — |
| Increase (decrease) through acquisition of subsidiary, equity |
43,000,000
SEK
|
51,000,000
SEK
|
8,000,000
SEK
|
8,000,000
SEK
|
1,000,000
SEK
|
0
SEK
|
1,000,000
SEK
|
1,000,000
SEK
|
10,000,000
SEK
|
13,000,000
SEK
|
10,000,000
SEK
|
3,000,000
SEK
|
| Increase (decrease) through disposal of subsidiary, equity |
8 624
SEK
|
8 624
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Purchase of treasury shares | — |
2 224
SEK
|
2 224
SEK
|
2 224
SEK
|
— | — | — | — | — | — | — | — |