Statement Of Financial Position [Abstract]
| Concept |
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 |
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 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||||||||
| Investments accounted for using equity method | — | — | — |
7 705
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
7 287
SEK
|
— | — | — | — |
6 679
SEK
|
— | — | — | — | — | — |
| Deferred tax assets | — | — | — |
113,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
124,000,000
SEK
|
— | — | — | — |
170,000,000
SEK
|
— | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||||||||
| Cash and cash equivalents | — | — | — |
360 153
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
293 811
SEK
|
— | — | — | — |
195 286
SEK
|
— | — | — | — | — | — |
| Assets | — | — | — |
2 750 617
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 594 642
SEK
|
— | — | — | — |
2 408 228
SEK
|
— | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||
| Equity attributable to owners of parent | — | — | — |
161 670
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
155 168
SEK
|
— | — | — | — |
138 608
SEK
|
— | — | — | — | — | — |
| Non-controlling interests | — | — | — |
26,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
25,000,000
SEK
|
— | — | — | — |
25,000,000
SEK
|
— | — | — | — | — | — |
| Equity |
117 501
SEK
|
58,000,000
SEK
|
17 275
SEK
|
161 696
SEK
|
2,000,000
SEK
|
0
SEK
|
5 294
SEK
|
161 670
SEK
|
26,000,000
SEK
|
3 248
SEK
|
24 904
SEK
|
111 364
SEK
|
1,000,000
SEK
|
25,000,000
SEK
|
62,000,000
SEK
|
17 275
SEK
|
155 168
SEK
|
24 904
SEK
|
0
SEK
|
4 355
SEK
|
2 669
SEK
|
155 193
SEK
|
138 608
SEK
|
25,000,000
SEK
|
6 279
SEK
|
17 275
SEK
|
138 633
SEK
|
94 060
SEK
|
5,000,000
SEK
|
3 880
SEK
|
8,000,000
SEK
|
24 904
SEK
|
33,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — |
3 398
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 784
SEK
|
— | — | — | — |
1 571
SEK
|
— | — | — | — | — | — |
| Liabilities | — | — | — |
2 588 921
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 439 449
SEK
|
— | — | — | — |
2 269 595
SEK
|
— | — | — | — | — | — |
| Equity and liabilities | — | — | — |
2 750 617
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 594 642
SEK
|
— | — | — | — |
2 408 228
SEK
|
— | — | — | — | — | — |