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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Property, plant and equipment | — | — | — |
346,000,000
SEK
|
— |
229,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — |
2 977
SEK
|
— |
2 681
SEK
|
— | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — |
972,000,000
SEK
|
— |
728,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
34,000,000
SEK
|
— |
17,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — |
23,000,000
SEK
|
— |
18,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — |
4 368
SEK
|
— |
3 691
SEK
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Current inventories | — | — | — |
1,000,000
SEK
|
— |
2,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — |
49,000,000
SEK
|
— |
33,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
667,000,000
SEK
|
— |
600,000,000
SEK
|
— | — | — | — |
406,000,000
SEK
|
— | — | — | — |
| Current assets | — | — | — |
2 829
SEK
|
— |
2 508
SEK
|
— | — | — | — | — | — | — | — | — |
| Assets | — | — | — |
7 197
SEK
|
— |
6 199
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital | — | — | — |
404,000,000
SEK
|
— |
404,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — |
1 185
SEK
|
— |
1 049
SEK
|
— | — | — | — | — | — | — | — | — |
| Share premium | — | — | — |
484,000,000
SEK
|
— |
484,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — |
43,000,000
SEK
|
— |
68,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
484,000,000
SEK
|
404,000,000
SEK
|
1 185
SEK
|
2 116
SEK
|
43,000,000
SEK
|
2 005
SEK
|
484,000,000
SEK
|
1 049
SEK
|
404,000,000
SEK
|
68,000,000
SEK
|
1 693
SEK
|
783,000,000
SEK
|
22,000,000
SEK
|
484,000,000
SEK
|
404,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||
| Non-current provisions | — | — | — |
484,000,000
SEK
|
— |
276,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — |
120,000,000
SEK
|
— |
132,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — |
2 212
SEK
|
— |
1 398
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Current provisions [abstract] | |||||||||||||||
| Other current provisions | — | — | — |
22,000,000
SEK
|
— |
104,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — |
63,000,000
SEK
|
— |
64,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other current financial liabilities | — | — | — |
95,000,000
SEK
|
— |
82,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — |
2 869
SEK
|
— |
2 796
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
7 197
SEK
|
— |
6 199
SEK
|
— | — | — | — | — | — | — | — | — |