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] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
106,000,000
SEK
|
— | — | — | — | — | — |
11 4
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
27,000,000
SEK
|
— | — | — | — | — | — |
35,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
398,000,000
SEK
|
— | — | — | — | — | — |
4 28
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
32,000,000
SEK
|
— | — | — | — | — | — |
34,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
1,000,000
SEK
|
— | — | — | — | — | — |
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables |
190,000,000
SEK
|
— | — | — | — | — | — |
1 18
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
186,000,000
SEK
|
— | — | — | — | — | — |
117,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
3,000,000
SEK
|
— | — | — | — | — | — |
0
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
726,000,000
SEK
|
— | — | — | — | — | — |
693,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Trade and other current receivables |
561,000,000
SEK
|
— | — | — | — | — | — |
464,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
6,000,000
SEK
|
— | — | — | — | — | — |
4,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current non-financial assets |
408,000,000
SEK
|
— | — | — | — | — | — |
6 7 4
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
194,000,000
SEK
|
— | — | — | — | — | — |
534,000,000
SEK
|
— | — | — | — | — | — | — |
8 97
SEK
|
— | — | — | — | — |
| Current assets |
3 317
SEK
|
— | — | — | — | — | — |
3 774
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
4 043
SEK
|
— | — | — | — | — | — |
4 467
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
4,000,000
SEK
|
— | — | — | — | — | — |
4,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
946,000,000
SEK
|
— | — | — | — | — | — |
946,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
1 177
SEK
|
— | — | — | — | — | — |
1 593
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
4,000,000
SEK
|
— | — | — | — | — | — |
4,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
1 181
SEK
|
225,000,000
SEK
|
4,000,000
SEK
|
946,000,000
SEK
|
4,000,000
SEK
|
2,000,000
SEK
|
1 177
SEK
|
1 597
SEK
|
4,000,000
SEK
|
946,000,000
SEK
|
646,000,000
SEK
|
4,000,000
SEK
|
3,000,000
SEK
|
1 593
SEK
|
79 8
SEK
|
1 751
SEK
|
1 747
SEK
|
4,000,000
SEK
|
946,000,000
SEK
|
1,000,000
SEK
|
4,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Other non-current provisions |
64,000,000
SEK
|
— | — | — | — | — | — |
71,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current provisions |
83,000,000
SEK
|
— | — | — | — | — | — |
91,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
19,000,000
SEK
|
— | — | — | — | — | — |
20,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities |
93,000,000
SEK
|
— | — | — | — | — | — |
39,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
252,000,000
SEK
|
— | — | — | — | — | — |
81 3
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Trade and other current payables |
1 269
SEK
|
— | — | — | — | — | — |
1 285
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
2,000,000
SEK
|
— | — | — | — | — | — |
5,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities |
18,000,000
SEK
|
— | — | — | — | — | — |
20,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current non-financial liabilities |
1 73
SEK
|
— | — | — | — | — | — |
1 57
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
2 610
SEK
|
— | — | — | — | — | — |
2 057
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
4 043
SEK
|
— | — | — | — | — | — |
4 467
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |