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 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 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 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment |
7 281
SEK
|
— | — | — | — | — | — | — |
7 350
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
502,000,000
SEK
|
— | — | — | — | — | — | — |
392,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
1 621
SEK
|
— | — | — | — | — | — | — |
1 615
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
292,000,000
SEK
|
— | — | — | — | — | — | — |
194,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
16 4
SEK
|
— | — | — | — | — | — | — |
1 74
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1 595
SEK
|
— | — | — | — | — | — | — |
892,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
1 661
SEK
|
— | — | — | — | — |
| Assets |
22 996
SEK
|
— | — | — | — | — | — | — |
23 399
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital |
251,000,000
SEK
|
— | — | — | — | — | — | — |
2 51
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
15 553
SEK
|
— | — | — | — | — | — | — |
14 606
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
7 1
SEK
|
— | — | — | — | — | — | — |
1 044
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
15 732
SEK
|
— | — | — | — | — | — | — |
15 901
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
0
SEK
|
— | — | — | — | — | — | — |
0
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
15 732
SEK
|
15 553
SEK
|
0
SEK
|
251,000,000
SEK
|
257,000,000
SEK
|
15 732
SEK
|
329,000,000
SEK
|
0
SEK
|
15 901
SEK
|
0
SEK
|
14 606
SEK
|
251,000,000
SEK
|
485,000,000
SEK
|
15 901
SEK
|
0
SEK
|
559,000,000
SEK
|
11 616
SEK
|
0
SEK
|
11 761
SEK
|
-
SEK
|
11 663
SEK
|
97,000,000
SEK
|
47,000,000
SEK
|
0
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities |
481,000,000
SEK
|
— | — | — | — | — | — | — |
680,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
22 996
SEK
|
— | — | — | — | — | — | — |
23 399
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |