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 |
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 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||
| Statement of changes in equity [line items] | ||||||||||||
| Dividends recognised as distributions to owners of parent |
285,000,000
SEK
|
— | — | — | — | — | — |
285,000,000
SEK
|
— | — | — | — |
| Increase (decrease) through transactions with owners, equity |
307,000,000
SEK
|
-
SEK
|
-
SEK
|
20,000,000
SEK
|
-
SEK
|
327,000,000
SEK
|
-
SEK
|
265,000,000
SEK
|
1,000,000
SEK
|
264,000,000
SEK
|
-
SEK
|
-
SEK
|
| Sale or issue of treasury shares |
-
SEK
|
-
SEK
|
-
SEK
|
20,000,000
SEK
|
-
SEK
|
20,000,000
SEK
|
— | — | — | — | — | — |