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 |
|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | |||||||
| Profit (loss) |
8,000,000
SEK
|
— |
293,000,000
SEK
|
301,000,000
SEK
|
2,000,000
SEK
|
2,000,000
SEK
|
— |
| Other comprehensive income [abstract] | |||||||
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — |
4,000,000
SEK
|
4,000,000
SEK
|
— | — |
2,000,000
SEK
|
2,000,000
SEK
|
| Comprehensive income |
8,000,000
SEK
|
4,000,000
SEK
|
289,000,000
SEK
|
301,000,000
SEK
|
2,000,000
SEK
|
0
SEK
|
2,000,000
SEK
|
| Comprehensive income attributable to [abstract] | |||||||
| Comprehensive income, attributable to owners of parent | — | — |
317,000,000
SEK
|
— | — |
53,000,000
SEK
|
— |