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 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 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment |
2,000,000
SEK
|
— | — | — | — | — | — | — | — |
3,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
254,000,000
SEK
|
— | — | — | — | — | — | — | — |
238,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investment property |
12 418
SEK
|
— | — | — | — | — | — | — | — |
11 693
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
2,000,000
SEK
|
— | — | — | — | — | — | — | — |
3,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
12 947
SEK
|
— | — | — | — | — | — | — | — |
11 984
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||
| Current tax assets, current |
0
SEK
|
— | — | — | — | — | — | — | — |
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets |
23,000,000
SEK
|
— | — | — | — | — | — | — | — |
8 5
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
31 5
SEK
|
— | — | — | — | — | — | — | — |
1 6 0
SEK
|
— | — | — | — | — | — | — | — | — | — |
36 1
SEK
|
— | — | — | — | — | — |
| Current assets |
397,000,000
SEK
|
— | — | — | — | — | — | — | — |
30 6
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
13 344
SEK
|
— | — | — | — | — | — | — | — |
12 290
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Issued capital |
17,000,000
SEK
|
— | — | — | — | — | — | — | — |
17,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
3 616
SEK
|
— | — | — | — | — | — | — | — |
3 344
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
1 796
SEK
|
— | — | — | — | — | — | — | — |
1 855
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
5 429
SEK
|
— | — | — | — | — | — | — | — |
5 216
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
5 429
SEK
|
1 181
SEK
|
3 442
SEK
|
1 7
SEK
|
3,000,000
SEK
|
5 429
SEK
|
7 8 6
SEK
|
3 232
SEK
|
7 86
SEK
|
5 216
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
|
— |
3 840
SEK
|
78 6
SEK
|
–
SEK
|
1 165
SEK
|
1 872
SEK
|
17,000,000
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 |
1 001
SEK
|
— | — | — | — | — | — | — | — |
9 25
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
6 764
SEK
|
— | — | — | — | — | — | — | — |
6 058
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||
| Trade and other current payables |
6 4
SEK
|
— | — | — | — | — | — | — | — |
2 2
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
19,000,000
SEK
|
— | — | — | — | — | — | — | — |
–
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
1 151
SEK
|
— | — | — | — | — | — | — | — |
1 016
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
13 344
SEK
|
— | — | — | — | — | — | — | — |
12 290
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |