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 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||
| Equity |
13 999
SEK
|
— | — |
—
SEK
|
2 400
SEK
|
11 587
SEK
|
12,000,000
SEK
|
13 999
SEK
|
— | — |
8 656
SEK
|
— |
11 068
SEK
|
11 068
SEK
|
—
SEK
|
2 400
SEK
|
12,000,000
SEK
|
— | — |
7 201
SEK
|
74,000,000
SEK
|
9 613
SEK
|
12,000,000
SEK
|
2 400
SEK
|
9 687
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||
| Profit (loss) | — |
3 195
SEK
|
3 195
SEK
|
— | — | — | — | — |
3 195
SEK
|
3,000,000
SEK
|
— |
1 706
SEK
|
— | — | — | — | — |
1 709
SEK
|
1 706
SEK
|
— | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
264,000,000
SEK
|
264,000,000
SEK
|
— | — | — | — | — |
264,000,000
SEK
|
77,000,000
SEK
|
— |
251,000,000
SEK
|
— | — | — | — | — |
328,000,000
SEK
|
251,000,000
SEK
|
— | — | — | — | — | — |