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 |
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 2021-12-31 |
As at 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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||
| Equity |
45 514
SEK
|
— | — |
37 400
SEK
|
5 097
SEK
|
45 514
SEK
|
3 017
SEK
|
— |
37 060
SEK
|
3 017
SEK
|
— |
45 174
SEK
|
45 1 74
SEK
|
5 097
SEK
|
— | — |
33 428
SEK
|
3 017
SEK
|
41 542
SEK
|
5 097
SEK
|
41 542
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||
| Profit (loss) | — |
2 376
SEK
|
2 376
SEK
|
— | — | — | — |
2 376
SEK
|
— | — |
5 400
SEK
|
— | — | — |
5 400
SEK
|
5 400
SEK
|
— | — | — | — | — |
| Other comprehensive income | — |
25,000,000
SEK
|
25,000,000
SEK
|
— | — | — | — |
25,000,000
SEK
|
— | — |
6,000,000
SEK
|
— | — | — |
6,000,000
SEK
|
6,000,000
SEK
|
— | — | — | — | — |
| Comprehensive income | — |
2 401
SEK
|
2 401
SEK
|
— | — | — | — |
2 401
SEK
|
— | — |
5 406
SEK
|
— | — | — |
5 406
SEK
|
5 406
SEK
|
— | — | — | — | — |
| Dividends recognised as distributions to owners | — |
314,000,000
SEK
|
3 14
SEK
|
— | — | — | — |
314,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) in equity | — |
20 61
SEK
|
2 061
SEK
|
— | — | — | — |
2 061
SEK
|
— | — |
1 7 74
SEK
|
— | — | — |
1 7 74
SEK
|
1 7 74
SEK
|
— | — | — | — | — |