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 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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Investment property |
239,000,000
SEK
|
— | — | — | — | — | — |
262,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
22,000,000
SEK
|
— | — | — | — | — | — |
77,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
136,000,000
SEK
|
— | — | — | — | — | — |
178,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
1 358
SEK
|
— | — | — | — | — | — |
971,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current tax assets, current |
20,000,000
SEK
|
— | — | — | — | — | — |
22,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
180,000,000
SEK
|
— | — | — | — | — | — |
119,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners | — | — | — | — | — | — | — |
915,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets |
17 738
SEK
|
— | — | — | — | — | — |
24 607
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
19 097
SEK
|
— | — | — | — | — | — |
25 579
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
434,000,000
SEK
|
— | — | — | — | — | — |
434,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
1 226
SEK
|
— | — | — | — | — | — |
2 563
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
6 596
SEK
|
— | — | — | — | — | — |
7 979
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
5,000,000
SEK
|
— | — | — | — | — | — |
5,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
6 601
SEK
|
1 226
SEK
|
5,000,000
SEK
|
4 569
SEK
|
434,000,000
SEK
|
366,000,000
SEK
|
6 596
SEK
|
7 984
SEK
|
5,000,000
SEK
|
4 569
SEK
|
2 563
SEK
|
434,000,000
SEK
|
413,000,000
SEK
|
7 979
SEK
|
3 245
SEK
|
8 322
SEK
|
8 318
SEK
|
5,000,000
SEK
|
4 569
SEK
|
70,000,000
SEK
|
434,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Trade and other non-current payables |
11,000,000
SEK
|
— | — | — | — | — | — |
369,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
30,000,000
SEK
|
— | — | — | — | — | — |
52,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
1 452
SEK
|
— | — | — | — | — | — |
4 983
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Trade and other current payables |
337,000,000
SEK
|
— | — | — | — | — | — |
652,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
264,000,000
SEK
|
— | — | — | — | — | — |
407,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — | — | — | — | — |
915,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
11 044
SEK
|
— | — | — | — | — | — |
12 612
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
12 496
SEK
|
— | — | — | — | — | — |
17 595
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
19 097
SEK
|
— | — | — | — | — | — |
25 579
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |