Statement Of Changes In Equity [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||
| Statement of changes in equity [line items] | ||||||||
| Dividends recognised as distributions to owners of parent, relating to current year | — | — | — |
8,000,000
SEK
|
— | — |
17 7
SEK
|
18 5
SEK
|
| Increase (decrease) through acquisition of subsidiary, equity | — | — | — | — | — | — |
14 3
SEK
|
14 3
SEK
|
| Increase (decrease) through transactions with owners, equity |
13,000,000
SEK
|
496,000,000
SEK
|
483,000,000
SEK
|
8,000,000
SEK
|
41,000,000
SEK
|
283,000,000
SEK
|
290,000,000
SEK
|
42,000,000
SEK
|
| Share issue related cost | — | — | — | — | — |
1,000,000
SEK
|
1,000,000
SEK
|
— |