Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Right-of-use assets | — | — | — |
26,000,000
SEK
|
— | — | — | — |
43,000,000
SEK
|
— | — | — | — | — | — |
| Deferred tax assets | — | — | — |
6,000,000
SEK
|
— | — | — | — |
-
SEK
|
— | — | — | — | — | — |
| Other non-current financial assets | — | — | — |
8,000,000
SEK
|
— | — | — | — |
8,000,000
SEK
|
— | — | — | — | — | — |
| Non-current assets | — | — | — |
4,122,000,000
SEK
|
— | — | — | — |
4,143,000,000
SEK
|
— | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Current inventories | — | — | — |
10,000,000
SEK
|
— | — | — | — |
7,000,000
SEK
|
— | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
3,510,000,000
SEK
|
— | — | — | — |
3,033,000,000
SEK
|
— |
1,277,000,000
SEK
|
— | — | — | — |
| Current assets | — | — | — |
3,801,000,000
SEK
|
— | — | — | — |
3,459,000,000
SEK
|
— | — | — | — | — | — |
| Assets | — | — | — |
7,923,000,000
SEK
|
— | — | — | — |
7,602,000,000
SEK
|
— | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital | — | — | — |
204,000,000
SEK
|
— | — | — | — |
154,000,000
SEK
|
— | — | — | — | — | — |
| Retained earnings | — | — | — |
1 610,1
SEK
|
— | — | — | — |
1 266,5
SEK
|
— | — | — | — | — | — |
| Other reserves | — | — | — |
248,000,000
SEK
|
— | — | — | — |
167,000,000
SEK
|
— | — | — | — | — | — |
| Equity |
1 610,1
SEK
|
2 057,7
SEK
|
248,000,000
SEK
|
4,929,000,000
SEK
|
204,000,000
SEK
|
154,000,000
SEK
|
1 780,0
SEK
|
1 266,5
SEK
|
5,456,000,000
SEK
|
167,000,000
SEK
|
5,062,000,000
SEK
|
113,000,000
SEK
|
9,396,000,000
SEK
|
61,000,000
SEK
|
1 428,4
SEK
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Deferred tax liabilities | — | — | — |
5,000,000
SEK
|
— | — | — | — |
-
SEK
|
— | — | — | — | — | — |
| Non-current liabilities | — | — | — |
952,000,000
SEK
|
— | — | — | — |
1,108,000,000
SEK
|
— | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Current tax liabilities, current | — | — | — |
2,000,000
SEK
|
— | — | — | — |
1,000,000
SEK
|
— | — | — | — | — | — |
| Current liabilities | — | — | — |
2,042,000,000
SEK
|
— | — | — | — |
1,039,000,000
SEK
|
— | — | — | — | — | — |
| Equity and liabilities | — | — | — |
7,923,000,000
SEK
|
— | — | — | — |
7,602,000,000
SEK
|
— | — | — | — | — | — |