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 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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Property, plant and equipment | — | — |
1 695
SEK
|
— | — | — | — | — | — | — |
1 686
SEK
|
— | — | — | — | — | — | — |
| Deferred tax assets | — | — |
59,000,000
SEK
|
— | — | — | — | — | — | — |
2 3
SEK
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
953,000,000
SEK
|
— | — | — | — | — | — | — |
658,000,000
SEK
|
— |
583,000,000
SEK
|
— | — | — | — | — |
| Assets | — | — |
11 145
SEK
|
— | — | — | — | — | — | — |
10 683
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — |
1 443
SEK
|
— | — | — | — | — | — | — |
1 443
SEK
|
— | — | — | — | — | — | — |
| Retained earnings | — | — |
1 397
SEK
|
— | — | — | — | — | — | — |
1 507
SEK
|
— | — | — | — | — | — | — |
| Share premium | — | — |
4 124
SEK
|
— | — | — | — | — | — | — |
4 124
SEK
|
— | — | — | — | — | — | — |
| Treasury shares | — | — |
59,000,000
SEK
|
— | — | — | — | — | — | — |
79,000,000
SEK
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent |
1 397
SEK
|
4 124
SEK
|
5 434
SEK
|
1 443
SEK
|
1 323
SEK
|
59,000,000
SEK
|
4 124
SEK
|
1 443
SEK
|
1 117
SEK
|
1 507
SEK
|
5 098
SEK
|
79,000,000
SEK
|
4 994
SEK
|
4 124
SEK
|
78,000,000
SEK
|
1 443
SEK
|
1 652
SEK
|
1 157
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities | — | — |
910,000,000
SEK
|
— | — | — | — | — | — | — |
900,000,000
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — |
11 145
SEK
|
— | — | — | — | — | — | — |
10 683
SEK
|
— | — | — | — | — | — | — |