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 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 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 |
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] | |||||||||||||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — |
26 076
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
23 975
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — |
3 840
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 891
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — |
595,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
508,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets | — | — | — |
1 158
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
676,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
3 458
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
4 098
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
13 585
SEK
|
— | — |
13 585
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
23 752
SEK
|
— | — |
23 752
SEK
|
— | — | — | — | — | — | — | — | — | — |
16 987
SEK
|
— | — | — | — | — | — | — | — |
| Assets | — | — | — |
155 517
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
119 128
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Issued capital | — | — | — |
1 505
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 505
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — |
61 872
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
53 624
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — |
6 145
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 274
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
77 200
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
65 081
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
132,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
61 872
SEK
|
6 145
SEK
|
7 678
SEK
|
77 332
SEK
|
77 200
SEK
|
132,000,000
SEK
|
— |
1 505
SEK
|
1,000,000
SEK
|
53 624
SEK
|
1,000,000
SEK
|
48,000,000
SEK
|
7 678
SEK
|
48,000,000
SEK
|
1 505
SEK
|
1 505
SEK
|
48,000,000
SEK
|
65 081
SEK
|
— |
2 274
SEK
|
2 274
SEK
|
— |
7 678
SEK
|
65 082
SEK
|
61 791
SEK
|
61 858
SEK
|
14,000,000
SEK
|
14,000,000
SEK
|
1 505
SEK
|
61 844
SEK
|
7 010
SEK
|
7 678
SEK
|
61 805
SEK
|
53,000,000
SEK
|
53,000,000
SEK
|
45 598
SEK
|
53,000,000
SEK
|
7 010
SEK
|
7 678
SEK
|
1 505
SEK
|
45 651
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Current tax liabilities | — | — | — |
2 820
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 695
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — |
2 988
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 059
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — |
107,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
171,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
78 185
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
54 046
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
155 517
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
119 128
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |