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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||
| Assets [abstract] | |||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||
| Property, plant and equipment |
14,000,000
SEK
|
— | — | — | — | — |
14,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Investment property |
7 111,4
SEK
|
— | — | — | — | — |
4 82 7, 2
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
2,000,000
SEK
|
— | — | — | — | — |
3,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-current assets |
7 250,1
SEK
|
— | — | — | — | — |
4 840,8
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||
| Cash and cash equivalents |
2,243,000,000
SEK
|
— | — | — | — | — |
926,000,000
SEK
|
— | — | — | — | — |
790,000,000
SEK
|
— | — | — | — |
| Current assets |
2 74 , 4
SEK
|
— | — | — | — | — |
14 6,7
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Assets |
7 524,5
SEK
|
— | — | — | — | — |
4 9 87, 4
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||
| Equity [abstract] | |||||||||||||||||
| Issued capital |
2 2 7, 0
SEK
|
— | — | — | — | — |
1,608,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Retained earnings |
1 03 7, 8
SEK
|
— | — | — | — | — |
7 70,7
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
3 007, 0
SEK
|
— | — | — | — | — |
1 8 4 7, 8
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
3 0 07, 0
SEK
|
92 874 199
SEK
|
1 037, 8
SEK
|
227 ,0
SEK
|
20 628 625
SEK
|
1 742 , 2
SEK
|
1 8 4 7, 8
SEK
|
7 70,7
SEK
|
66 446 380
SEK
|
91 6,1
SEK
|
13 951 313
SEK
|
1,608,000,000
SEK
|
942 ,6
SEK
|
60 405 800
SEK
|
1,208,000,000
SEK
|
318 ,6
SEK
|
503 , 2
SEK
|
| Liabilities [abstract] | |||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||
| Deferred tax liabilities |
2 3 7, 0
SEK
|
— | — | — | — | — |
1,705,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
4 188,5
SEK
|
— | — | — | — | — |
2 220,9
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||
| Trade and other current payables |
1 7, 6
SEK
|
— | — | — | — | — |
80,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
14, 4
SEK
|
— | — | — | — | — |
15 ,1
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities |
3,290,000,000
SEK
|
— | — | — | — | — |
918 ,7
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
7 524,5
SEK
|
— | — | — | — | — |
4 9 87, 4
SEK
|
— | — | — | — | — | — | — | — | — | — |