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 2023-12-31 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
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 2022-12-31 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||||
| Right-of-use assets |
52 9
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
5 01
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investment property |
39 278
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
40 446
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
42 915
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
44 385
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||
| Trade and other current receivables |
24 3
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
228,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
435,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
6 91
SEK
|
6 91
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
534,000,000
SEK
|
— | — |
| Current assets |
762,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
950,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
43 676
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
45 335
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||
| Issued capital |
96,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
96,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
12 015
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
13 4 8 5
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other equity interest |
3 760
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3 760
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
255,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
275,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
16 8 83
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
18 378
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
38,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
39,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
16 921
SEK
|
12 015
SEK
|
38,000,000
SEK
|
96,000,000
SEK
|
255,000,000
SEK
|
75 8
SEK
|
16 88 3
SEK
|
3 760
SEK
|
13 4 8 5
SEK
|
275,000,000
SEK
|
76 3
SEK
|
3 760
SEK
|
39,000,000
SEK
|
18 378
SEK
|
96,000,000
SEK
|
18 416
SEK
|
18 416
SEK
|
39,000,000
SEK
|
13 48 5
SEK
|
96,000,000
SEK
|
275,000,000
SEK
|
18 378
SEK
|
763,000,000
SEK
|
3 760
SEK
|
8,000,000
SEK
|
17 23 6
SEK
|
12 573
SEK
|
96,000,000
SEK
|
32,000,000
SEK
|
17 2 6 8
SEK
|
800,000,000
SEK
|
3 760
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Deferred tax liabilities |
1 263
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 333
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities |
64,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
62,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
24 847
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
24 837
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Current liabilities |
1 908
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 082
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
26 756
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
26 919
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
43 676
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
45 335
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |