Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Right-of-use assets |
1 676
SEK
|
— | — | — | — |
1 353
SEK
|
— | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
7,000,000
SEK
|
— | — | — | — |
7,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets |
17,000,000
SEK
|
— | — | — | — |
23,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
19,000,000
SEK
|
— | — | — | — |
43,000,000
SEK
|
— | — | — | — |
62,000,000
SEK
|
— | — | — | — |
| Assets |
6 508
SEK
|
— | — | — | — |
6 073
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
20,000,000
SEK
|
— | — | — | — |
20,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings |
1 865
SEK
|
— | — | — | — |
1 784
SEK
|
— | — | — | — | — | — | — | — | — |
| Other reserves |
34,000,000
SEK
|
— | — | — | — |
6,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
2 361
SEK
|
1 865
SEK
|
20,000,000
SEK
|
34,000,000
SEK
|
441,000,000
SEK
|
2 252
SEK
|
1 784
SEK
|
6,000,000
SEK
|
441,000,000
SEK
|
20,000,000
SEK
|
1 968
SEK
|
20,000,000
SEK
|
1 529
SEK
|
22,000,000
SEK
|
441,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||
| Deferred tax liabilities |
174,000,000
SEK
|
— | — | — | — |
193,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
6 508
SEK
|
— | — | — | — |
6 073
SEK
|
— | — | — | — | — | — | — | — | — |