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) | — | — |
4 381
SEK
|
— | — |
5 324
SEK
|
— | — |
| Other comprehensive income [abstract] | ||||||||
| Other comprehensive income | — | — |
129,000,000
SEK
|
— | — |
1 437
SEK
|
— | — |
| Comprehensive income |
5,000,000
SEK
|
358,000,000
SEK
|
4 510
SEK
|
4 147
SEK
|
4 329
SEK
|
3 887
SEK
|
1,000,000
SEK
|
44 3
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||
| Comprehensive income, attributable to owners of parent | — | — |
4 506
SEK
|
— | — |
3 883
SEK
|
— | — |
| Comprehensive income, attributable to non-controlling interests | — | — |
4,000,000
SEK
|
— | — |
4,000,000
SEK
|
— | — |