Profit Or Loss [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||||||
| Profit (loss) [abstract] | ||||||||||||||
| Revenue | — | — |
960,000,000
SEK
|
— | — | — | — | — | — |
930,000,000
SEK
|
— | — | — | — |
| Other income | — | — |
13,000,000
SEK
|
— | — | — | — | — | — |
45,000,000
SEK
|
— | — | — | — |
| Other work performed by entity and capitalised | — | — |
9,000,000
SEK
|
— | — | — | — | — | — |
15,000,000
SEK
|
— | — | — | — |
| Employee benefits expense | — | — |
567,000,000
SEK
|
— | — | — | — | — | — |
478,000,000
SEK
|
— | — | — | — |
| Other expenses, by nature | — | — |
4,000,000
SEK
|
— | — | — | — | — | — |
4,000,000
SEK
|
— | — | — | — |
| Profit (loss) from operating activities | — | — |
4,000,000
SEK
|
— | — | — | — | — | — |
65,000,000
SEK
|
— | — | — | — |
| Finance income | — | — |
17,000,000
SEK
|
— | — | — | — | — | — |
11,000,000
SEK
|
— | — | — | — |
| Finance costs | — | — |
21,000,000
SEK
|
— | — | — | — | — | — |
31,000,000
SEK
|
— | — | — | — |
| Profit (loss) before tax | — | — |
10,000,000
SEK
|
— | — | — | — | — | — |
44,000,000
SEK
|
— | — | — | — |
| Tax expense (income) | — | — |
6,000,000
SEK
|
— | — | — | — | — | — |
4,000,000
SEK
|
— | — | — | — |
| Profit (loss) |
-
SEK
|
-
SEK
|
4,000,000
SEK
|
0
SEK
|
4,000,000
SEK
|
4,000,000
SEK
|
-
SEK
|
-
SEK
|
48,000,000
SEK
|
47,000,000
SEK
|
48,000,000
SEK
|
1,000,000
SEK
|
-
SEK
|
-
SEK
|
| Profit (loss), attributable to [abstract] | ||||||||||||||
| Profit (loss), attributable to owners of parent | — | — |
4,000,000
SEK
|
— | — | — | — | — | — |
48,000,000
SEK
|
— | — | — | — |
| Profit (loss), attributable to non-controlling interests | — | — |
0
SEK
|
— | — | — | — | — | — |
1,000,000
SEK
|
— | — | — | — |
| Earnings per share [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Earnings per share [abstract] | ||||||||||||||
| Earnings per share [line items] | ||||||||||||||
| Diluted earnings per share [abstract] | ||||||||||||||
| Diluted earnings (loss) per share | — | — |
3.00
|
— | — | — | — | — | — |
49.00
|
— | — | — | — |