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 2022-01-01 |
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 2021-01-01 |
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 |
14,000,000
SEK
|
— | — | — | — | — |
18,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
795,000,000
SEK
|
— | — | — | — |
697,000,000
SEK
|
697,000,000
SEK
|
— | — | — | — |
0
SEK
|
— | — | — | — | — |
| Assets |
134 756
SEK
|
— | — | — | — | — |
150 752
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||
| Equity [abstract] | |||||||||||||||||
| Issued capital |
1 088
SEK
|
— | — | — | — | — |
1 088
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
126 180
SEK
|
1 088
SEK
|
137 996
SEK
|
13 967
SEK
|
1 063
SEK
|
— |
143 079
SEK
|
114 334
SEK
|
26 594
SEK
|
1 063
SEK
|
1 088
SEK
|
— |
120 976
SEK
|
1 088
SEK
|
110 385
SEK
|
1 063
SEK
|
8 440
SEK
|
| Liabilities [abstract] | |||||||||||||||||
| Deferred tax liabilities |
134,000,000
SEK
|
— | — | — | — | — |
164,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
134 756
SEK
|
— | — | — | — | — |
150 752
SEK
|
— | — | — | — | — | — | — | — | — | — |