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 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 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 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment |
175,000,000
SEK
|
— | — | — | — | — | — | — |
221,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
71,000,000
SEK
|
— | — | — | — | — | — | — |
116,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
34 023
SEK
|
— | — | — | — | — | — | — |
32 499
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital |
30,000,000
SEK
|
— | — | — | — | — | — | — |
30,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
3 073
SEK
|
— | — | — | — | — | — | — |
2 647
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
440,000,000
SEK
|
— | — | — | — | — | — | — |
314,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
6 047
SEK
|
1 109
SEK
|
3 073
SEK
|
30,000,000
SEK
|
637,000,000
SEK
|
4 938
SEK
|
1 077
SEK
|
2 275
SEK
|
5 744
SEK
|
1 106
SEK
|
2 647
SEK
|
30,000,000
SEK
|
373,000,000
SEK
|
4 638
SEK
|
2 275
SEK
|
687,000,000
SEK
|
473,000,000
SEK
|
1 106
SEK
|
4 941
SEK
|
1 924
SEK
|
2 275
SEK
|
3 835
SEK
|
30,000,000
SEK
|
79,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities |
30,000,000
SEK
|
— | — | — | — | — | — | — |
85,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
27 976
SEK
|
— | — | — | — | — | — | — |
26 755
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
34 023
SEK
|
— | — | — | — | — | — | — |
32 499
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |