Statement Of Financial Position [Abstract]
| Concept |
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 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 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||
| Property, plant and equipment | — | — |
3,000,000
SEK
|
— | — | — | — | — | — |
6,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — |
238,000,000
SEK
|
— | — | — | — | — | — |
225,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Investment property | — | — |
11 693
SEK
|
— | — | — | — | — | — |
9 533
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — |
3,000,000
SEK
|
— | — | — | — | — | — |
4,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — |
11 984
SEK
|
— | — | — | — | — | — |
9 777
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||
| Current tax assets, current | — | — |
1,000,000
SEK
|
— | — | — | — | — | — |
0
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other current financial assets | — | — |
85,000,000
SEK
|
— | — | — | — | — | — |
40,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
160,000,000
SEK
|
— | — | — | — | — | — |
361,000,000
SEK
|
— | — |
138,000,000
SEK
|
— | — | — | — | — | — | — |
| Current assets | — | — |
306,000,000
SEK
|
— | — | — | — | — | — |
456,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Assets | — | — |
12 290
SEK
|
— | — | — | — | — | — |
10 233
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||
| Issued capital | — | — |
17,000,000
SEK
|
— | — | — | — | — | — |
17,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — |
3 344
SEK
|
— | — | — | — | — | — |
2 132
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Share premium | — | — |
1 855
SEK
|
— | — | — | — | — | — |
1 904
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
5 216
SEK
|
— | — | — | — | — | — |
4 053
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
3 232
SEK
|
786,000,000
SEK
|
5 216
SEK
|
1 181
SEK
|
17,000,000
SEK
|
2 074
SEK
|
17,000,000
SEK
|
786,000,000
SEK
|
1 175
SEK
|
4 053
SEK
|
786,000,000
SEK
|
1 165
SEK
|
3 840
SEK
|
1 872
SEK
|
17,000,000
SEK
|
1 167
SEK
|
2 780
SEK
|
–
SEK
|
17,000,000
SEK
|
1 596
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 | — | — |
925,000,000
SEK
|
— | — | — | — | — | — |
613,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — |
6 058
SEK
|
— | — | — | — | — | — |
4 935
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||
| Trade and other current payables | — | — |
22,000,000
SEK
|
— | — | — | — | — | — |
47,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — |
-
SEK
|
— | — | — | — | — | — |
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — |
1 016
SEK
|
— | — | — | — | — | — |
1 245
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — |
12 290
SEK
|
— | — | — | — | — | — |
10 233
SEK
|
— | — | — | — | — | — | — | — | — | — |