Statement Of Comprehensive Income [Abstract]
| Concept |
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 comprehensive income [abstract] | ||||||||
| Profit (loss) |
5 518
SEK
|
— |
5 518
SEK
|
5 518
SEK
|
2 376
SEK
|
2 376
SEK
|
2 376
SEK
|
0
SEK
|
| Other comprehensive income [abstract] | ||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans |
3,000,000
SEK
|
— | — | — | — |
25,000,000
SEK
|
— | — |
| Other comprehensive income |
3,000,000
SEK
|
— |
3,000,000
SEK
|
3,000,000
SEK
|
25,000,000
SEK
|
25,000,000
SEK
|
25,000,000
SEK
|
0
SEK
|
| Comprehensive income |
5 515
SEK
|
0
SEK
|
5 515
SEK
|
5 515
SEK
|
2 401
SEK
|
2 401
SEK
|
2 401
SEK
|
0
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||
| Comprehensive income, attributable to owners of parent |
5 515
SEK
|
— | — | — | — |
2 401
SEK
|
— | — |
| Comprehensive income, attributable to non-controlling interests |
0
SEK
|
— | — | — | — |
0
SEK
|
— | — |