Statement Of Changes In Equity [Abstract]
| Concept |
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 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2021-01-01 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 |
2021-01-01 to 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
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 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
2021-01-01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||
| Equity |
475 482
SEK
|
— | — | — |
2 030 344
SEK
|
— | — |
2,000
SEK
|
— | — |
20 196
SEK
|
15 936
SEK
|
2 030 342
SEK
|
— |
1 153 376
SEK
|
3 65 3 52
SEK
|
— | — |
1 972 418
SEK
|
— | — | — |
2,000
SEK
|
20 196
SEK
|
25 696
SEK
|
1 972 416
SEK
|
— |
1 153 793
SEK
|
— | — | — |
373 773
SEK
|
398 957
SEK
|
— |
196 273
SEK
|
1 154 008
SEK
|
1 877 367
SEK
|
1 877 365
SEK
|
2,000
SEK
|
27,000
SEK
|
20 196
SEK
|
5 06 9 15
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
365 352
SEK
|
— |
365 352
SEK
|
— |
365 352
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
373 773
SEK
|
— | — | — | — | — | — | — |
373 773
SEK
|
— |
373 773
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
3 65 3 52
SEK
|
0
SEK
|
355 590
SEK
|
— |
3 55 59 0
SEK
|
0
SEK
|
— |
9 762
SEK
|
0
SEK
|
— | — | — |
0
SEK
|
— | — | — |
0
SEK
|
— |
0
SEK
|
399 495
SEK
|
— | — | — | — | — |
0
SEK
|
— |
399 495
SEK
|
2 5 27 2
SEK
|
373 773
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — |
2 92 8 4 9
SEK
|
2 92 8 49
SEK
|
— |
29 2 8 49
SEK
|
— | — | — | — | — | — | — | — | — | — |
30 1 33 1
SEK
|
— | — | — | — |
3 01 33 1
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
3 01 33 1
SEK
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — |
417,000
SEK
|
— |
417,000
SEK
|
— | — | — | — | — | — | — |
417,000
SEK
|
— | — | — | — | — | — |
2 15
SEK
|
— | — | — | — | — |
21 5
SEK
|
— |
2 15
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |