Statement Of Financial Position [Abstract]
| Concept |
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 |
As at 2022-12-31 |
As at 2022-12-31 |
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 |
As at 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 financial position [abstract] | |||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||
| Property, plant and equipment |
855,000,000
SEK
|
— | — | — | — | — | — | — | — |
499,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets |
558,000,000
SEK
|
— | — | — | — | — | — | — | — |
321,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Goodwill |
1 771
SEK
|
— | — | — | — | — | — | — | — |
1 130
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets |
19,000,000
SEK
|
— | — | — | — | — | — | — | — |
19,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
476,000,000
SEK
|
— | — | — | — | — | — | — | — |
352,000,000
SEK
|
— | — | — | — | — | — | — | — |
117,000,000
SEK
|
| Assets |
5 023
SEK
|
— | — | — | — | — | — | — | — |
3 171
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||
| Issued capital |
4,000,000
SEK
|
— | — | — | — | — | — | — | — |
4,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings |
140,000,000
SEK
|
— | — | — | — | — | — | — | — |
44,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
1 301
SEK
|
— | — | — | — | — | — | — | — |
896,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-controlling interests |
35,000,000
SEK
|
35,000,000
SEK
|
— | — | — | — | — | — | — |
-
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
1 336
SEK
|
35,000,000
SEK
|
140,000,000
SEK
|
80,000,000
SEK
|
4,000,000
SEK
|
1 301
SEK
|
1 077
SEK
|
44,000,000
SEK
|
907,000,000
SEK
|
896,000,000
SEK
|
896,000,000
SEK
|
29,000,000
SEK
|
4,000,000
SEK
|
143,000,000
SEK
|
623,000,000
SEK
|
468,000,000
SEK
|
3,000,000
SEK
|
16,000,000
SEK
|
468,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||||||
| Current tax liabilities |
83,000,000
SEK
|
— | — | — | — | — | — | — | — |
51,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
203,000,000
SEK
|
— | — | — | — | — | — | — | — |
106,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
5 023
SEK
|
— | — | — | — | — | — | — | — |
3 171
SEK
|
— | — | — | — | — | — | — | — | — |