Statement Of Changes In Equity [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 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 2021-12-31 |
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 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 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 |
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 changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
81 270
SEK
|
— | — | — | — | — |
13 698
SEK
|
43,000,000
SEK
|
58 346
SEK
|
1 505
SEK
|
81 227
SEK
|
7 678
SEK
|
— | — | — |
61 872
SEK
|
6 145
SEK
|
7 678
SEK
|
— | — |
77 332
SEK
|
77 332
SEK
|
–
SEK
|
172,000,000
SEK
|
–
SEK
|
172,000,000
SEK
|
6 145
SEK
|
–
SEK
|
61 872
SEK
|
7 678
SEK
|
77 200
SEK
|
1 505
SEK
|
132,000,000
SEK
|
–
SEK
|
77 200
SEK
|
132,000,000
SEK
|
— |
1 505
SEK
|
— |
172,000,000
SEK
|
— | — |
1,000,000
SEK
|
53 624
SEK
|
48,000,000
SEK
|
48,000,000
SEK
|
1 505
SEK
|
65 081
SEK
|
48,000,000
SEK
|
2 274
SEK
|
–
SEK
|
–
SEK
|
7 678
SEK
|
65 082
SEK
|
–
SEK
|
–
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
–
SEK
|
–
SEK
|
11 225
SEK
|
11 212
SEK
|
13,000,000
SEK
|
— | — | — | — | — | — |
11 212
SEK
|
–
SEK
|
23,000,000
SEK
|
— | — | — |
–
SEK
|
14 461
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
SEK
|
— |
–
SEK
|
— |
14 484
SEK
|
14 461
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
–
SEK
|
7 553
SEK
|
10 172
SEK
|
2 619
SEK
|
0
SEK
|
— | — | — | — | — | — |
10 172
SEK
|
–
SEK
|
11,000,000
SEK
|
— | — | — |
3 871
SEK
|
5 862
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
SEK
|
— |
–
SEK
|
— |
5 873
SEK
|
1 991
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
–
SEK
|
7 553
SEK
|
21 398
SEK
|
13 832
SEK
|
13,000,000
SEK
|
— | — | — | — | — | — |
21 385
SEK
|
–
SEK
|
34,000,000
SEK
|
— | — | — |
3 871
SEK
|
20 323
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
SEK
|
— |
–
SEK
|
— |
20 357
SEK
|
16 452
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
SEK
|
— | — | — |
–
SEK
|
8 140
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
SEK
|
— |
–
SEK
|
— |
8 140
SEK
|
8 140
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
–
SEK
|
–
SEK
|
135,000,000
SEK
|
135,000,000
SEK
|
–
SEK
|
— | — | — | — | — | — |
135,000,000
SEK
|
–
SEK
|
–
SEK
|
— | — | — |
–
SEK
|
78,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
SEK
|
— |
–
SEK
|
— |
78,000,000
SEK
|
78,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — |
–
SEK
|
–
SEK
|
147,000,000
SEK
|
44,000,000
SEK
|
103,000,000
SEK
|
— | — | — | — | — | — |
44,000,000
SEK
|
–
SEK
|
97,000,000
SEK
|
— | — | — |
–
SEK
|
94,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
SEK
|
— |
–
SEK
|
— |
3,000,000
SEK
|
94,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |