Statement Of Changes In Equity [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 changes in equity [abstract] | ||||||||||
| Statement of changes in equity [line items] | ||||||||||
| Dividends recognised as distributions to owners of parent |
–
SEK
|
–
SEK
|
–
SEK
|
23 488
SEK
|
23 4 88
SEK
|
— | — | — | — | — |
| Increase (decrease) through acquisition of subsidiary, equity | — | — | — | — | — |
–
SEK
|
17 0
SEK
|
15 18 4
SEK
|
–
SEK
|
15 014
SEK
|
| Increase (decrease) through transactions with owners, equity |
–
SEK
|
–
SEK
|
378,000
SEK
|
2 3 110
SEK
|
23 4 88
SEK
|
–
SEK
|
17 0
SEK
|
15 20 4
SEK
|
–
SEK
|
15 0 34
SEK
|