Statement Of Financial Position [Abstract]
| Concept |
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 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Property, plant and equipment |
8 753
SEK
|
— | — | — | — | — |
8 026
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
1 264
SEK
|
— | — | — | — | — |
1 338
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
4 325
SEK
|
— | — | — | — | — |
2 756
SEK
|
— | — | — | — | — | — | — | — |
442,000,000
SEK
|
— | — |
| Assets |
129 975
SEK
|
— | — | — | — | — |
117 428
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
371,000,000
SEK
|
— | — | — | — | — |
371,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
54 299
SEK
|
— | — | — | — | — |
47 030
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
5 237
SEK
|
— | — | — | — | — |
1 794
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
69 582
SEK
|
— | — | — | — | — |
58 870
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
9,000,000
SEK
|
— | — | — | — | — |
9,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
69 592
SEK
|
54 299
SEK
|
5 237
SEK
|
9 675
SEK
|
9,000,000
SEK
|
371,000,000
SEK
|
58 879
SEK
|
371,000,000
SEK
|
47 030
SEK
|
9,000,000
SEK
|
9 675
SEK
|
1 794
SEK
|
42 369
SEK
|
11,000,000
SEK
|
6 728
SEK
|
59 154
SEK
|
9 675
SEK
|
371,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Current tax liabilities |
1 598
SEK
|
— | — | — | — | — |
1 341
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
2 581
SEK
|
— | — | — | — | — |
2 868
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
129 975
SEK
|
— | — | — | — | — |
117 428
SEK
|
— | — | — | — | — | — | — | — | — | — | — |