Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
As at 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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||
| Profit (loss) |
0
SEK
|
— |
212,000,000
SEK
|
212,000,000
SEK
|
67,000,000
SEK
|
— |
67,000,000
SEK
|
0
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||
| Adjustments for decrease (increase) in inventories | — | — |
63,000,000
SEK
|
— | — | — |
105,000,000
SEK
|
— | — |
| Adjustments for depreciation and amortisation expense | — | — |
46,000,000
SEK
|
— | — | — |
33,000,000
SEK
|
— | — |
| Adjustments for losses (gains) on disposal of non-current assets | — | — |
1,000,000
SEK
|
— | — | — |
0
SEK
|
— | — |
| Cash flows from (used in) operations | — | — |
258,000,000
SEK
|
— | — | — |
94,000,000
SEK
|
— | — |
| Dividends received, classified as operating activities | — | — |
-
SEK
|
— | — | — |
2,000,000
SEK
|
— | — |
| Interest paid, classified as operating activities | — | — |
3,000,000
SEK
|
— | — | — |
4,000,000
SEK
|
— | — |
| Interest received, classified as operating activities | — | — |
2,000,000
SEK
|
— | — | — |
4,000,000
SEK
|
— | — |
| Income taxes paid (refund), classified as operating activities | — | — |
46,000,000
SEK
|
— | — | — |
17,000,000
SEK
|
— | — |
| Cash flows from (used in) operating activities | — | — |
449,000,000
SEK
|
— | — | — |
265,000,000
SEK
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
43,000,000
SEK
|
— | — | — |
-
SEK
|
— | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — |
2,000,000
SEK
|
— | — | — |
1,000,000
SEK
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
32,000,000
SEK
|
— | — | — |
9,000,000
SEK
|
— | — |
| Purchase of intangible assets, classified as investing activities | — | — |
1,000,000
SEK
|
— | — | — |
0
SEK
|
— | — |
| Cash flows from (used in) investing activities | — | — |
73,000,000
SEK
|
— | — | — |
9,000,000
SEK
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||
| Repayments of borrowings, classified as financing activities | — | — |
9,000,000
SEK
|
— | — | — |
8,000,000
SEK
|
— | — |
| Dividends paid, classified as financing activities | — | — |
68,000,000
SEK
|
— | — | — |
-
SEK
|
— | — |
| Cash flows from (used in) financing activities | — | — |
77,000,000
SEK
|
— | — | — |
8,000,000
SEK
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — |
299,000,000
SEK
|
— | — | — |
248,000,000
SEK
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
-
SEK
|
— | — | — |
1,000,000
SEK
|
— | — |
| Cash and cash equivalents | — |
578,000,000
SEK
|
— | — | — |
279,000,000
SEK
|
— | — |
32,000,000
SEK
|