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 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||
| Profit (loss) |
65,000,000
SEK
|
-
SEK
|
-
SEK
|
1,887,000,000
SEK
|
-
SEK
|
1,952,000,000
SEK
|
1,887,000,000
SEK
|
1,328,000,000
SEK
|
-
SEK
|
1,328,000,000
SEK
|
-
SEK
|
1,328,000,000
SEK
|
-
SEK
|
-
SEK
|
| Other comprehensive income [abstract] | ||||||||||||||
| Other comprehensive income |
1,000,000
SEK
|
30,000,000
SEK
|
-
SEK
|
30,000,000
SEK
|
-
SEK
|
31,000,000
SEK
|
-
SEK
|
-
SEK
|
-
SEK
|
4,000,000
SEK
|
-
SEK
|
4,000,000
SEK
|
-
SEK
|
4,000,000
SEK
|
| Comprehensive income |
66,000,000
SEK
|
30,000,000
SEK
|
-
SEK
|
1,918,000,000
SEK
|
-
SEK
|
1,983,000,000
SEK
|
1,887,000,000
SEK
|
1,328,000,000
SEK
|
-
SEK
|
1,332,000,000
SEK
|
-
SEK
|
1,332,000,000
SEK
|
-
SEK
|
4,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
1,918,000,000
SEK
|
— | — | — |
1,332,000,000
SEK
|
— | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
66,000,000
SEK
|
— | — | — |
-
SEK
|
— | — | — | — |