Statement Of Comprehensive Income [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||
| Profit (loss) | — |
5 400
SEK
|
5 400
SEK
|
5 400
SEK
|
3 167
SEK
|
3 167
SEK
|
0
SEK
|
3 167
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 | — | — |
6,000,000
SEK
|
— | — |
1,000,000
SEK
|
— | — |
| Other comprehensive income | — |
6,000,000
SEK
|
6,000,000
SEK
|
6,000,000
SEK
|
1,000,000
SEK
|
1,000,000
SEK
|
— |
1,000,000
SEK
|
| Comprehensive income |
0
SEK
|
5 406
SEK
|
5 406
SEK
|
5 406
SEK
|
3 166
SEK
|
3 166
SEK
|
0
SEK
|
3 166
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||
| Comprehensive income, attributable to owners of parent | — | — |
5 406
SEK
|
— | — |
3 166
SEK
|
— | — |
| Comprehensive income, attributable to non-controlling interests | — | — |
0
SEK
|
— | — |
0
SEK
|
— | — |