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] | |||||||||||||||||||||
| Property, plant and equipment |
748,000,000
SEK
|
— | — | — | — | — | — |
1 076
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
1 869
SEK
|
— | — | — | — | — | — |
1 526
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
4 106
SEK
|
— | — | — | — | — | — |
4 135
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
476,000,000
SEK
|
— | — | — | — | — | — |
574,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
34,000,000
SEK
|
— | — | — | — | — | — |
27,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
623,000,000
SEK
|
— | — | — | — | — | — |
741,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
892,000,000
SEK
|
— | — | — |
| Assets |
16 040
SEK
|
— | — | — | — | — | — |
15 773
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
141,000,000
SEK
|
— | — | — | — | — | — |
141,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
2 866
SEK
|
— | — | — | — | — | — |
2 606
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
39,000,000
SEK
|
— | — | — | — | — | — |
61,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
6 038
SEK
|
— | — | — | — | — | — |
5 801
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
137,000,000
SEK
|
— | — | — | — | — | — |
125,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
6 175
SEK
|
2 866
SEK
|
39,000,000
SEK
|
137,000,000
SEK
|
141,000,000
SEK
|
6 038
SEK
|
2 993
SEK
|
5 926
SEK
|
61,000,000
SEK
|
125,000,000
SEK
|
2 606
SEK
|
141,000,000
SEK
|
5 801
SEK
|
2 993
SEK
|
2 356
SEK
|
317,000,000
SEK
|
2 993
SEK
|
5 229
SEK
|
5 174
SEK
|
55,000,000
SEK
|
141,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Current tax liabilities |
65,000,000
SEK
|
— | — | — | — | — | — |
70,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
16 040
SEK
|
— | — | — | — | — | — |
15 773
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |