Statement Of Financial Position [Abstract]
| Concept |
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 |
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 |
As at 2020-12-31 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||||
| Right-of-use assets | — | — |
237,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
163,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Investment property | — | — |
37 147
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
29 411
SEK
|
— | — | — | — | — | — | — | — |
| Non-current assets | — | — |
39 898
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
31 495
SEK
|
— | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||
| Trade and other current receivables | — | — |
179,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
86,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
534,000,000
SEK
|
— | — | — | — | — | — | — |
312,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
312,000,000
SEK
|
— | — | — |
588,000,000
SEK
|
— | — | — | — |
| Current assets | — | — |
727,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
412,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Assets | — | — |
40 626
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
31 907
SEK
|
— | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||
| Issued capital | — | — |
96,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
92,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Retained earnings | — | — |
12 573
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
9 481
SEK
|
— | — | — | — | — | — | — | — |
| Other equity interest | — | — |
3 760
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3 760
SEK
|
— | — | — | — | — | — | — | — |
| Other reserves | — | — |
8,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
SEK
|
— | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
17 236
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
13 333
SEK
|
— | — | — | — | — | — | — | — |
| Non-controlling interests | — | — |
32,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
SEK
|
— | — | — | — | — | — | — | — |
| Equity |
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
|
9 481
SEK
|
–
SEK
|
13 333
SEK
|
92,000,000
SEK
|
–
SEK
|
3 760
SEK
|
–
SEK
|
13 333
SEK
|
–
SEK
|
84,000,000
SEK
|
5 937
SEK
|
9 781
SEK
|
3 760
SEK
|
–
SEK
|
–
SEK
|
9 781
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — |
1 252
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
760,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Other non-current financial liabilities | — | — |
48,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
19,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Non-current liabilities | — | — |
18 021
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
17 064
SEK
|
— | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Current liabilities | — | — |
5 337
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 510
SEK
|
— | — | — | — | — | — | — | — |
| Liabilities | — | — |
23 357
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
18 573
SEK
|
— | — | — | — | — | — | — | — |
| Equity and liabilities | — | — |
40 626
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
31 907
SEK
|
— | — | — | — | — | — | — | — |