Statement Of Changes In Equity [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||
| Statement of changes in equity [line items] | ||||||
| Increase (decrease) through transactions with owners, equity |
120,000,000
SEK
|
120,000,000
SEK
|
51,000,000
SEK
|
3,000,000
SEK
|
96,000,000
SEK
|
150,000,000
SEK
|
| Sale or issue of treasury shares | — | — |
51,000,000
SEK
|
3,000,000
SEK
|
54,000,000
SEK
|
— |