Statement Of Financial Position [Abstract]
| Concept |
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 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
1 190
SEK
|
— | — | — | — | — | — | — |
1 212
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
4 834
SEK
|
— | — | — | — | — | — | — |
5 079
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
409,000,000
SEK
|
— | — | — | — | — | — | — |
675,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
3 532 810
SEK
|
— | — | — | — | — | — | — |
3 304 230
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
21 942
SEK
|
— | — |
154,000,000
SEK
|
154,000,000
SEK
|
— | — | — |
21 942
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
161 387
SEK
|
— | — | — | — | — | — | — |
152 290
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares |
7 831
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
21 194
SEK
|
— | — | — | — | — | — | — |
18 996
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
204 523
SEK
|
— | — | — | — | — | — | — |
193 228
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
204 523
SEK
|
20 439
SEK
|
175,000,000
SEK
|
161 387
SEK
|
21 942
SEK
|
868,000,000
SEK
|
62,000,000
SEK
|
152 290
SEK
|
193 228
SEK
|
18,000,000
SEK
|
223,000,000
SEK
|
19 798
SEK
|
561,000,000
SEK
|
21 942
SEK
|
145 788
SEK
|
47,000,000
SEK
|
21 942
SEK
|
236,000,000
SEK
|
5 737
SEK
|
1 241
SEK
|
171 943
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities |
10 364
SEK
|
— | — | — | — | — | — | — |
10 354
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
3 328 287
SEK
|
— | — | — | — | — | — | — |
3 111 002
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
3 532 810
SEK
|
— | — | — | — | — | — | — |
3 304 230
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |