Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||
| Profit (loss) | — |
–
SEK
|
–
SEK
|
–
SEK
|
39, 9
SEK
|
399,000,000.0
SEK
|
67, 0
SEK
|
— |
–
SEK
|
6 7, 0
SEK
|
–
SEK
|
–
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||
| Adjustments for depreciation and amortisation expense | — | — | — | — |
96 ,0
SEK
|
— | — | — | — |
101 ,4
SEK
|
— | — | — |
| Adjustments for unrealised foreign exchange losses (gains) | — | — | — | — |
0, 5
SEK
|
— | — | — | — |
1,000,000.0
SEK
|
— | — | — |
| Interest paid, classified as operating activities | — | — | — | — |
41 , 2
SEK
|
— | — | — | — |
33 ,0
SEK
|
— | — | — |
| Interest received, classified as operating activities | — | — | — | — |
254, 8
SEK
|
— | — | — | — |
2 3 3 ,1
SEK
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — | — |
0.0
SEK
|
— | — | — | — |
0.0
SEK
|
— | — | — |
| Cash flows from (used in) operating activities | — | — | — | — |
1 ,1
SEK
|
— | — | — | — |
13 0,0
SEK
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — |
7, 5
SEK
|
— | — | — | — |
68,000,000.0
SEK
|
— | — | — |
| Purchase of intangible assets, classified as investing activities | — | — | — | — |
82 ,8
SEK
|
— | — | — | — |
6 7, 7
SEK
|
— | — | — |
| Cash flows from (used in) investing activities | — | — | — | — |
9 0, 2
SEK
|
— | — | — | — |
74 , 5
SEK
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||
| Payments of lease liabilities, classified as financing activities | — | — | — | — |
8, 2
SEK
|
— | — | — | — |
8, 2
SEK
|
— | — | — |
| Cash flows from (used in) financing activities | — | — | — | — |
82,000,000.0
SEK
|
— | — | — | — |
119, 3
SEK
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — |
97, 3
SEK
|
— | — | — | — |
852,000,000.0
SEK
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — |
0, 3
SEK
|
— | — | — | — |
1,000,000.0
SEK
|
— | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — | — | — |
9 7, 3
SEK
|
— | — | — | — |
85, 2
SEK
|
— | — | — |
| Cash and cash equivalents |
5 7, 5
SEK
|
— | — | — | — | — | — |
1 5 5,1
SEK
|
— | — | — | — |
24 0, 2
SEK
|