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 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 |
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 2021-12-31 |
As at 2021-01-01 |
As at 2021-01-01 |
As at 2021-01-01 |
As at 2021-01-01 |
As at 2021-01-01 |
As at 2021-01-01 |
As at 2021-01-01 |
As at 2021-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||||
| Right-of-use assets |
501,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
237,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Investment property |
40 446
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
37 147
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
44 385
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
39 898
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||
| Trade and other current receivables |
228,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
179,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
691,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
534,000,000
SEK
|
— | — | — | — |
534,000,000
SEK
|
— | — | — | — | — | — | — |
312,000,000
SEK
|
— | — | — | — | — |
| Current assets |
950,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
727,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
45 335
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
40 626
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||
| Issued capital |
96,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
96,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
13 485
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
12 573
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other equity interest |
3 760
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3 760
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
275,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
8,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
18 378
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
17 236
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
39,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
32,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
18 416
SEK
|
39,000,000
SEK
|
13 485
SEK
|
96,000,000
SEK
|
275,000,000
SEK
|
18 378
SEK
|
763,000,000
SEK
|
3 760
SEK
|
8,000,000
SEK
|
17 236
SEK
|
12 573
SEK
|
96,000,000
SEK
|
32,000,000
SEK
|
17 268
SEK
|
800,000,000
SEK
|
3 760
SEK
|
12 573
SEK
|
3 760
SEK
|
17 268
SEK
|
800,000,000
SEK
|
17 236
SEK
|
32,000,000
SEK
|
8,000,000
SEK
|
96,000,000
SEK
|
–
SEK
|
92,000,000
SEK
|
13 333
SEK
|
9 481
SEK
|
3 760
SEK
|
–
SEK
|
13 333
SEK
|
–
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Deferred tax liabilities |
1 333
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 252
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities |
62,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
48,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
24 837
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
18 021
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Current liabilities |
2 082
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
5 337
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
26 919
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
23 357
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
45 335
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
40 626
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |