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 |
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 |
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
|
26,000,000
SEK
|
—
SEK
|
26,000,000
SEK
|
26,000,000
SEK
|
1,000,000
SEK
|
— |
—
SEK
|
1,000,000
SEK
|
—
SEK
|
1,000,000
SEK
|
—
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||
| Adjustments for decrease (increase) in inventories | — | — | — | — | — |
190,000,000
SEK
|
— | — | — | — |
38,000,000
SEK
|
— | — | — | — |
| Other adjustments for non-cash items | — | — | — | — | — |
45,000,000
SEK
|
— | — | — | — |
44,000,000
SEK
|
— | — | — | — |
| 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
|