Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||
| Assets [abstract] | ||||||||||||
| Property, plant and equipment | — | — | — |
509,000,000
SEK
|
37 ,0
SEK
|
— | — | — | — | — | — | — |
| Right-of-use assets | — | — | — |
91, 0
SEK
|
50 ,4
SEK
|
— | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
544,000,000
SEK
|
5 8 ,6
SEK
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
1 61 ,1
SEK
|
10 6 , 8
SEK
|
— | — | — |
19 7, 3
SEK
|
— | — | — |
| Assets | — | — | — |
1 689,7
SEK
|
1 322,5
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||
| Equity [abstract] | ||||||||||||
| Issued capital | — | — | — |
5,000,000
SEK
|
5,000,000
SEK
|
— | — | — | — | — | — | — |
| Retained earnings | — | — | — |
299, 8
SEK
|
19 0 , 7
SEK
|
— | — | — | — | — | — | — |
| Equity |
5,000,000
SEK
|
2 , 5
SEK
|
299, 8
SEK
|
29 7, 8
SEK
|
210 , 6
SEK
|
19 0 , 7
SEK
|
5,000,000
SEK
|
19 , 4
SEK
|
13 9 , 5
SEK
|
13 8 , 4
SEK
|
6,000,000
SEK
|
0 ,5
SEK
|
| Liabilities [abstract] | ||||||||||||
| Liabilities | — | — | — |
1 391,9
SEK
|
1 112,0
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
1 689,7
SEK
|
1 322,5
SEK
|
— | — | — | — | — | — | — |