Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||
| Statement of changes in equity [line items] | |||||||
| Dividends recognised as distributions to non-controlling interests |
227,000,000
SEK
|
227,000,000
SEK
|
— |
92,000,000
SEK
|
— |
92,000,000
SEK
|
— |
| Increase (decrease) through acquisition of subsidiary, equity |
16,000,000
SEK
|
16,000,000
SEK
|
— |
1,000,000
SEK
|
— |
1,000,000
SEK
|
— |
| Increase (decrease) through disposal of subsidiary, equity |
1,000,000
SEK
|
1,000,000
SEK
|
— |
3,000,000
SEK
|
— |
3,000,000
SEK
|
— |
| Increase (decrease) through appropriation of retained earnings, equity | — | — |
3,000,000
SEK
|
2,000,000
SEK
|
3,000,000
SEK
|
5,000,000
SEK
|
— |
| Increase (decrease) through exercise of warrants, equity | — | — |
1,000,000
SEK
|
1,000,000
SEK
|
— | — |
1,000,000
SEK
|