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 |
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) | — | — |
3 757
SEK
|
867,000,000
SEK
|
— | — |
| Other comprehensive income [abstract] | ||||||
| Other comprehensive income |
4,000,000
SEK
|
4,000,000
SEK
|
4,000,000
SEK
|
10,000,000
SEK
|
10,000,000
SEK
|
10,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||
| Comprehensive income, attributable to owners of parent | — | — |
3 761
SEK
|
877,000,000
SEK
|
— | — |