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 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 |
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 |
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 |
221,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
205,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
116,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
160,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
32 499
SEK
|
— | — | — | — | — | — | — | — | — |
30 372
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital |
30,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
30,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
2 647
SEK
|
— | — | — | — | — | — | — | — | — |
1 924
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
314,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
394,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
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
|
1 924
SEK
|
2 275
SEK
|
4 941
SEK
|
473,000,000
SEK
|
1 106
SEK
|
3 835
SEK
|
79,000,000
SEK
|
30,000,000
SEK
|
2 128
SEK
|
30,000,000
SEK
|
4 052
SEK
|
1 106
SEK
|
443,000,000
SEK
|
2 275
SEK
|
62,000,000
SEK
|
5 158
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Provisions [abstract] | ||||||||||||||||||||||||
| Provisions |
47,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
59,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities |
107,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
189,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
85,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
127,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
26 755
SEK
|
— | — | — | — | — | — | — | — | — |
25 431
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
32 499
SEK
|
— | — | — | — | — | — | — | — | — |
30 372
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |