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 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||
| Property, plant and equipment |
1 821 553
SEK
|
— | — | — | — | — |
5 823 232
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Investment property |
1 704 200
SEK
|
— | — | — | — | — |
5 702 951
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
74 120
SEK
|
— | — | — | — | — |
59 780
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
32 257
SEK
|
— | — | — | — | — |
44 338
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
2 017 294
SEK
|
— | — | — | — | — |
667 438
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
20 866
SEK
|
— | — | — | — | — |
15 648
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current non-financial assets |
26 670
SEK
|
— | — | — | — | — |
115 161
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
4 000 374
SEK
|
— | — | — | — | — |
6 740 597
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Trade and other current receivables |
57 402
SEK
|
— | — | — | — | — |
42 969
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets |
SEK
|
— | — | — | — | — |
41 917
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
184 454
SEK
|
— | — | — | — | — |
450 565
SEK
|
— | — | — | — | — |
925 410
SEK
|
— | — | — | — | — |
| Current assets |
502 704
SEK
|
— | — | — | — | — |
655 534
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Assets |
4 503 077
SEK
|
— | — | — | — | — |
7 396 131
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
24 868
SEK
|
— | — | — | — | — |
24 868
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
1 387 159
SEK
|
— | — | — | — | — |
1 786 096
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
1 707 165
SEK
|
— | — | — | — | — |
2 104 069
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
24 730
SEK
|
— | — | — | — | — |
376 710
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
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
|
1 621 258
SEK
|
24 649
SEK
|
5 698
SEK
|
1 367 191
SEK
|
223 720
SEK
|
1 615 560
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities |
92 893
SEK
|
— | — | — | — | — |
174 501
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current non-financial liabilities |
449,000
SEK
|
— | — | — | — | — |
11 893
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
1 865 969
SEK
|
— | — | — | — | — |
4 390 541
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Trade and other current payables |
40 817
SEK
|
— | — | — | — | — |
36 018
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
3 498
SEK
|
— | — | — | — | — |
24 158
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities |
64 999
SEK
|
— | — | — | — | — |
81 041
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other current non-financial liabilities |
170 047
SEK
|
— | — | — | — | — |
121 278
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
905 211
SEK
|
— | — | — | — | — |
524 810
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
4 503 077
SEK
|
— | — | — | — | — |
7 396 131
SEK
|
— | — | — | — | — | — | — | — | — | — | — |