Statement Of Comprehensive Income [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||
| Profit (loss) |
2 376
SEK
|
2 376
SEK
|
2 376
SEK
|
5 400
SEK
|
5 400
SEK
|
5 400
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 | — |
25,000,000
SEK
|
— | — |
6,000,000
SEK
|
— |
| Other comprehensive income |
25,000,000
SEK
|
25,000,000
SEK
|
25,000,000
SEK
|
6,000,000
SEK
|
6,000,000
SEK
|
6,000,000
SEK
|
| Comprehensive income |
2 401
SEK
|
2 401
SEK
|
2 401
SEK
|
5 406
SEK
|
5 406
SEK
|
5 406
SEK
|
| Comprehensive income attributable to [abstract] | ||||||
| Comprehensive income, attributable to owners of parent | — |
2 401
SEK
|
— | — |
5 406
SEK
|
— |
| Comprehensive income, attributable to non-controlling interests | — |
0
SEK
|
— | — |
0
SEK
|
— |