Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Right-of-use assets | — | — |
38,000,000
SEK
|
— | — | — | — | — |
39,000,000
SEK
|
— | — | — | — | — | — |
| Investment property | — | — |
8 539,8
SEK
|
— | — | — | — | — |
8 271,2
SEK
|
— | — | — | — | — | — |
| Deferred tax assets | — | — |
0
SEK
|
— | — | — | — | — |
132,000,000
SEK
|
— | — | — | — | — | — |
| Cash and cash equivalents | — | — |
310,000,000
SEK
|
— | — | — | — | — |
1,259,000,000
SEK
|
— |
1,737,000,000
SEK
|
— | — | — | — |
| Assets | — | — |
8 671,5
SEK
|
— | — | — | — | — |
8 535,9
SEK
|
— | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital | — | — |
3,909,000,000
SEK
|
— | — | — | — | — |
3,909,000,000
SEK
|
— | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
2 869,5
SEK
|
— | — | — | — | — |
2 823,5
SEK
|
— | — | — | — | — | — |
| Non-controlling interests | — | — |
9,000,000
SEK
|
— | — | — | — | — |
0
SEK
|
— | — | — | — | — | — |
| Equity |
1 116,9
SEK
|
1 361,7
SEK
|
2 870,4
SEK
|
3,909,000,000
SEK
|
9,000,000
SEK
|
3,909,000,000
SEK
|
1 361,7
SEK
|
1 070,9
SEK
|
2 823,5
SEK
|
0
SEK
|
3 161,2
SEK
|
1 408,6
SEK
|
3,909,000,000
SEK
|
0
SEK
|
1 361,7
SEK
|
| Liabilities [abstract] | |||||||||||||||
| Current tax liabilities | — | — |
37,000,000
SEK
|
— | — | — | — | — |
0
SEK
|
— | — | — | — | — | — |
| Deferred tax liabilities | — | — |
3,812,000,000
SEK
|
— | — | — | — | — |
3,492,000,000
SEK
|
— | — | — | — | — | — |
| Equity and liabilities | — | — |
8 671,5
SEK
|
— | — | — | — | — |
8 535,9
SEK
|
— | — | — | — | — | — |