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 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 |
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 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Investment property |
262,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
77,000,000
SEK
|
— | — | — | — | — | — | — |
77,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
915,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
178,000,000
SEK
|
— | — | — | — | — | — | — |
227,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
119,000,000
SEK
|
— | — | — | — | — | — | — |
1 066
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
25 579
SEK
|
— | — | — | — | — | — | — |
23 711
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
434,000,000
SEK
|
— | — | — | — | — | — | — |
434,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
2 563
SEK
|
— | — | — | — | — | — | — |
3 245
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
7 979
SEK
|
— | — | — | — | — | — | — |
8 318
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
5,000,000
SEK
|
— | — | — | — | — | — | — |
5,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
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
|
4 569
SEK
|
5,000,000
SEK
|
70,000,000
SEK
|
434,000,000
SEK
|
2 996
SEK
|
4,000,000
SEK
|
7 918
SEK
|
434,000,000
SEK
|
80,000,000
SEK
|
4 569
SEK
|
7 923
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Provisions [abstract] | |||||||||||||||||||||
| Provisions |
970,000,000
SEK
|
— | — | — | — | — | — | — |
775,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
52,000,000
SEK
|
— | — | — | — | — | — | — |
122,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale |
915,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
17 595
SEK
|
— | — | — | — | — | — | — |
15 389
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
25 579
SEK
|
— | — | — | — | — | — | — |
23 711
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |