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 |
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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||
| Profit (loss) | — | — | — |
1,857,000,000
SEK
|
1,857,000,000
SEK
|
896,000,000
SEK
|
— |
896,000,000
SEK
|
— | — |
| Other comprehensive income [abstract] | ||||||||||
| Other comprehensive income | — | — | — |
218,000,000
SEK
|
— | — | — |
55,000,000
SEK
|
— | — |
| Comprehensive income |
218,000,000
SEK
|
-
SEK
|
-
SEK
|
2,075,000,000
SEK
|
1,857,000,000
SEK
|
896,000,000
SEK
|
-
SEK
|
841,000,000
SEK
|
-
SEK
|
55,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
2,075,000,000
SEK
|
— | — | — |
841,000,000
SEK
|
— | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — |
-
SEK
|
— | — | — |
-
SEK
|
— | — |