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 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 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] | |||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment |
1,000,000
SEK
|
— | — | — | — | — | — |
2,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
25 9
SEK
|
— | — | — | — | — | — |
25 4
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investment property |
12 566
SEK
|
— | — | — | — | — | — |
12 418
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
3,000,000
SEK
|
— | — | — | — | — | — |
2,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
12 981
SEK
|
— | — | — | — | — | — |
12 947
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||
| Other current financial assets |
7,000,000
SEK
|
— | — | — | — | — | — |
2 3
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
13 4
SEK
|
— | — | — | — | — | — |
3 15
SEK
|
— | — | — | — | — | — | — | — |
1 6 0
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current assets |
213,000,000
SEK
|
— | — | — | — | — | — |
397,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
13 193
SEK
|
— | — | — | — | — | — |
13 344
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Issued capital |
17,000,000
SEK
|
— | — | — | — | — | — |
17,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
3 355
SEK
|
— | — | — | — | — | — |
3 616
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
1 466
SEK
|
— | — | — | — | — | — |
1 796
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
4 838
SEK
|
— | — | — | — | — | — |
5 429
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
4 838
SEK
|
3 137
SEK
|
1 182
SEK
|
17,000,000
SEK
|
3,000,000
SEK
|
4 838
SEK
|
49 8
SEK
|
5 429
SEK
|
1 181
SEK
|
3 442
SEK
|
17,000,000
SEK
|
3,000,000
SEK
|
5 429
SEK
|
78 6
SEK
|
3 232
SEK
|
78 6
SEK
|
— |
5 216
SEK
|
1 181
SEK
|
–
SEK
|
17,000,000
SEK
|
2 075
SEK
|
4 053
SEK
|
17,000,000
SEK
|
78 6
SEK
|
-
SEK
|
1 175
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||||||||
| Other non-current provisions |
4,000,000
SEK
|
— | — | — | — | — | — |
4,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
9 9 9
SEK
|
— | — | — | — | — | — |
1 001
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
7 145
SEK
|
— | — | — | — | — | — |
6 764
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||
| Trade and other current payables |
12 4
SEK
|
— | — | — | — | — | — |
64,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
13,000,000
SEK
|
— | — | — | — | — | — |
1 9
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
1 210
SEK
|
— | — | — | — | — | — |
1 151
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
13 193
SEK
|
— | — | — | — | — | — |
13 344
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |