Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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 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 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — |
997,000,000
SEK
|
— | — | — | — | — |
855,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — |
653,000,000
SEK
|
— | — | — | — | — |
558,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — |
1 888
SEK
|
— | — | — | — | — |
1 771
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — |
18,000,000
SEK
|
— | — | — | — | — |
19,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
416,000,000
SEK
|
— | — | — | — | — |
476,000,000
SEK
|
— | — | — | — | — | — | — | — |
352,000,000
SEK
|
— | — | — | — |
| Assets | — |
5 364
SEK
|
— | — | — | — | — |
5 023
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — |
4,000,000
SEK
|
— | — | — | — | — |
4,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — |
346,000,000
SEK
|
— | — | — | — | — |
143,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — |
1 479
SEK
|
— | — | — | — | — |
1 301
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — |
34,000,000
SEK
|
— | — | — | — | — |
35,000,000
SEK
|
35,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
21,000,000
SEK
|
1 513
SEK
|
346,000,000
SEK
|
34,000,000
SEK
|
4,000,000
SEK
|
1 479
SEK
|
1 150
SEK
|
1 336
SEK
|
— |
143,000,000
SEK
|
4,000,000
SEK
|
80,000,000
SEK
|
1 301
SEK
|
1 074
SEK
|
44,000,000
SEK
|
907,000,000
SEK
|
896,000,000
SEK
|
896,000,000
SEK
|
–
SEK
|
29,000,000
SEK
|
4,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Current tax liabilities | — |
77,000,000
SEK
|
— | — | — | — | — |
83,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — |
200,000,000
SEK
|
— | — | — | — | — |
203,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
5 364
SEK
|
— | — | — | — | — |
5 023
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |