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] | |||||||||||||||
| Property, plant and equipment |
1 164
SEK
|
— | — | — | — |
1 168
SEK
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets |
5 4
SEK
|
— | — | — | — |
5 5
SEK
|
— | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
25,000,000
SEK
|
— | — | — | — |
25,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets |
23,000,000
SEK
|
— | — | — | — |
3 2
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1 220
SEK
|
— | — | — | — |
7 0
SEK
|
— | — | — | — |
8 6
SEK
|
— | — | — | — |
| Assets |
2 916
SEK
|
— | — | — | — |
1 511
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
4,000,000
SEK
|
— | — | — | — |
3,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings |
1 29
SEK
|
— | — | — | — |
6 43
SEK
|
— | — | — | — | — | — | — | — | — |
| Share premium |
1 567
SEK
|
— | — | — | — |
1 435
SEK
|
— | — | — | — | — | — | — | — | — |
| Other reserves |
8 4
SEK
|
— | — | — | — |
119,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
1 616
SEK
|
1 567
SEK
|
1 29
SEK
|
4,000,000
SEK
|
8 4
SEK
|
6 76
SEK
|
6 43
SEK
|
119,000,000
SEK
|
1 435
SEK
|
3,000,000
SEK
|
70 3
SEK
|
3,000,000
SEK
|
701,000,000
SEK
|
11,000,000
SEK
|
1 390
SEK
|
| Equity and liabilities |
2 916
SEK
|
— | — | — | — |
1 511
SEK
|
— | — | — | — | — | — | — | — | — |