Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 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 |
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 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — |
87 697
SEK
|
— | — | — | — | — | — |
81 270
SEK
|
7 678
SEK
|
— |
–
SEK
|
— | — |
–
SEK
|
— | — |
204,000,000
SEK
|
1 505
SEK
|
204,000,000
SEK
|
–
SEK
|
81 227
SEK
|
13 698
SEK
|
13 698
SEK
|
–
SEK
|
204,000,000
SEK
|
43,000,000
SEK
|
43,000,000
SEK
|
58 346
SEK
|
58 346
SEK
|
1 505
SEK
|
81 227
SEK
|
81 270
SEK
|
7 678
SEK
|
— | — |
77 332
SEK
|
–
SEK
|
172,000,000
SEK
|
172,000,000
SEK
|
–
SEK
|
6 145
SEK
|
–
SEK
|
61 872
SEK
|
7 678
SEK
|
77 200
SEK
|
1 505
SEK
|
132,000,000
SEK
|
–
SEK
|
172,000,000
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
15 301
SEK
|
— |
15 300
SEK
|
–
SEK
|
1,000,000
SEK
|
15 300
SEK
|
–
SEK
|
–
SEK
|
— | — |
–
SEK
|
— |
–
SEK
|
11 225
SEK
|
— |
11 212
SEK
|
13,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
11 212
SEK
|
–
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
2 623
SEK
|
— |
2 622
SEK
|
2 278
SEK
|
1,000,000
SEK
|
344,000,000
SEK
|
–
SEK
|
–
SEK
|
— | — |
–
SEK
|
— |
7 553
SEK
|
10 172
SEK
|
— |
2 619
SEK
|
–
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
10 172
SEK
|
–
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
12 678
SEK
|
— |
12 678
SEK
|
2 278
SEK
|
0
SEK
|
14 956
SEK
|
–
SEK
|
–
SEK
|
— | — |
–
SEK
|
— |
7 553
SEK
|
21 398
SEK
|
— |
13 832
SEK
|
13,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
21 385
SEK
|
–
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
6 261
SEK
|
— |
6 261
SEK
|
–
SEK
|
–
SEK
|
6 261
SEK
|
–
SEK
|
–
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
109,000,000
SEK
|
— |
109,000,000
SEK
|
–
SEK
|
–
SEK
|
109,000,000
SEK
|
–
SEK
|
–
SEK
|
— | — |
–
SEK
|
— |
–
SEK
|
135,000,000
SEK
|
— |
135,000,000
SEK
|
–
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
135,000,000
SEK
|
–
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
–
SEK
|
— |
23,000,000
SEK
|
–
SEK
|
23,000,000
SEK
|
23,000,000
SEK
|
–
SEK
|
–
SEK
|
— | — |
–
SEK
|
— |
–
SEK
|
147,000,000
SEK
|
— |
44,000,000
SEK
|
103,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
44,000,000
SEK
|
–
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |