Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 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] | |||||
| Interest paid, classified as operating activities | — |
12,000,000
SEK
|
— |
6,000,000
SEK
|
— |
| Cash flows from (used in) operating activities | — |
61,000,000
SEK
|
— |
156,000,000
SEK
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Purchase of property, plant and equipment, classified as investing activities | — |
10,000,000
SEK
|
— |
7,000,000
SEK
|
— |
| Purchase of intangible assets, classified as investing activities | — |
16,000,000
SEK
|
— |
22,000,000
SEK
|
— |
| Cash flows from (used in) investing activities | — |
12,000,000
SEK
|
— |
42,000,000
SEK
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares | — |
363,000,000
SEK
|
— |
1,000,000
SEK
|
— |
| Payments of lease liabilities, classified as financing activities | — |
20,000,000
SEK
|
— |
21,000,000
SEK
|
— |
| Cash flows from (used in) financing activities | — |
2,000,000
SEK
|
— |
133,000,000
SEK
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
71,000,000
SEK
|
— |
19,000,000
SEK
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
2,000,000
SEK
|
— |
4,000,000
SEK
|
— |
| Cash and cash equivalents |
18,000,000
SEK
|
— |
87,000,000
SEK
|
— |
111,000,000
SEK
|