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) |
1,000,000
SEK
|
— |
10 901
SEK
|
10 900
SEK
|
9 171
SEK
|
9 172
SEK
|
1,000,000
SEK
|
— |
| Other comprehensive income [abstract] | ||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — |
705,000,000
SEK
|
— | — |
262,000,000
SEK
|
— | — |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — |
3 444
SEK
|
— | — |
4 935
SEK
|
— | — |
| Other comprehensive income |
1,000,000
SEK
|
3 444
SEK
|
4 150
SEK
|
705,000,000
SEK
|
262,000,000
SEK
|
5 197
SEK
|
1,000,000
SEK
|
4 934
SEK
|
| Comprehensive income |
1,000,000
SEK
|
3 444
SEK
|
15 050
SEK
|
11 605
SEK
|
8 909
SEK
|
3 975
SEK
|
0
SEK
|
4 934
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||
| Comprehensive income, attributable to owners of parent | — | — |
15 049
SEK
|
— | — |
3 975
SEK
|
— | — |
| Comprehensive income, attributable to non-controlling interests | — | — |
1,000,000
SEK
|
— | — |
0
SEK
|
— | — |