Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||
| Profit (loss) |
198,000,000
SEK
|
— |
0
SEK
|
199,000,000
SEK
|
199,000,000
SEK
|
— |
100,000,000
SEK
|
99,000,000
SEK
|
100,000,000
SEK
|
0
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for decrease (increase) in inventories |
5,000,000
SEK
|
— | — | — | — | — | — |
9,000,000
SEK
|
— | — | — |
| Adjustments to reconcile profit (loss) |
163,000,000
SEK
|
— | — | — | — | — | — |
142,000,000
SEK
|
— | — | — |
| Income taxes paid (refund), classified as operating activities |
3,000,000
SEK
|
— | — | — | — | — | — |
1,000,000
SEK
|
— | — | — |
| Cash flows from (used in) operating activities |
95,000,000
SEK
|
— | — | — | — | — | — |
137,000,000
SEK
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Purchase of property, plant and equipment, classified as investing activities |
12,000,000
SEK
|
— | — | — | — | — | — |
2,000,000
SEK
|
— | — | — |
| Purchase of intangible assets, classified as investing activities |
202,000,000
SEK
|
— | — | — | — | — | — |
172,000,000
SEK
|
— | — | — |
| Purchase of other long-term assets, classified as investing activities |
0
SEK
|
— | — | — | — | — | — |
5,000,000
SEK
|
— | — | — |
| Cash flows from (used in) investing activities |
229,000,000
SEK
|
— | — | — | — | — | — |
169,000,000
SEK
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Repayments of borrowings, classified as financing activities |
3,000,000
SEK
|
— | — | — | — | — | — |
1,000,000
SEK
|
— | — | — |
| Payments of lease liabilities, classified as financing activities |
27,000,000
SEK
|
— | — | — | — | — | — |
27,000,000
SEK
|
— | — | — |
| Cash flows from (used in) financing activities |
29,000,000
SEK
|
— | — | — | — | — | — |
8,000,000
SEK
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
163,000,000
SEK
|
— | — | — | — | — | — |
41,000,000
SEK
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||
| Effect of exchange rate changes on cash and cash equivalents |
3,000,000
SEK
|
— | — | — | — | — | — |
5,000,000
SEK
|
— | — | — |
| Cash and cash equivalents | — |
236,000,000
SEK
|
— | — | — |
402,000,000
SEK
|
— | — | — | — |
438,000,000
SEK
|