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 |
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] | |||||||||
| Increase (decrease) through transactions with owners, equity |
249,000,000
SEK
|
0
SEK
|
134,000,000
SEK
|
115,000,000
SEK
|
115,000,000
SEK
|
283,000,000
SEK
|
14 9
SEK
|
134,000,000
SEK
|
134,000,000
SEK
|
| Purchase of treasury shares |
201,000,000
SEK
|
— | — |
201,000,000
SEK
|
201,000,000
SEK
|
— | — | — | — |