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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||
| Property, plant and equipment | — | — | — |
1 406 900
SEK
|
— | — |
1 821 553
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Investment property | — | — | — |
1 308 950
SEK
|
— | — |
1 704 200
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — |
72 283
SEK
|
— | — |
74 120
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — |
21 673
SEK
|
— | — |
32 257
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | — | — | — |
816 476
SEK
|
— | — |
2 017 294
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — |
71 441
SEK
|
— | — |
20 866
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — |
3 039 727
SEK
|
— | — |
4 000 374
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Trade and other current receivables | — | — | — |
59 288
SEK
|
— | — |
57 402
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets | — | — | — |
-
SEK
|
— | — |
-
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
68 364
SEK
|
— | — |
184 454
SEK
|
— | — | — | — | — |
450 565
SEK
|
— | — | — | — | — |
| Current assets | — | — | — |
249 334
SEK
|
— | — |
502 704
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — |
3 289 061
SEK
|
— | — |
4 503 077
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — | — |
24 868
SEK
|
— | — |
24 868
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — |
463 948
SEK
|
— | — |
1 387 159
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
783 955
SEK
|
— | — |
1 707 165
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
18 565
SEK
|
— | — |
24 730
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
24 868
SEK
|
463 948
SEK
|
295 139
SEK
|
802 519
SEK
|
783 955
SEK
|
18 565
SEK
|
1 731 895
SEK
|
24 730
SEK
|
1 387 159
SEK
|
24 868
SEK
|
1 707 165
SEK
|
295 139
SEK
|
2 480 779
SEK
|
1 786 097
SEK
|
293 105
SEK
|
2 104 069
SEK
|
376 710
SEK
|
24 868
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities | — | — | — |
54 492
SEK
|
— | — |
92 893
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current non-financial liabilities | — | — | — |
-
SEK
|
— | — |
449,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — |
124 807
SEK
|
— | — |
1 865 969
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Trade and other current payables | — | — | — |
43 106
SEK
|
— | — |
40 817
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — |
-
SEK
|
— | — |
3 498
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — |
2 361 734
SEK
|
— | — |
905 211
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
3 289 061
SEK
|
— | — |
4 503 077
SEK
|
— | — | — | — | — | — | — | — | — | — | — |