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 |
2020-01-01 to 2020-12-31 |
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] | |||||||
| Profit (loss) | — |
470,000,000
SEK
|
470,000,000
SEK
|
299,000,000
SEK
|
— |
299,000,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||
| Adjustments for decrease (increase) in inventories | — |
6 51
SEK
|
— | — | — |
96,000,000
SEK
|
— |
| Adjustments for depreciation and amortisation expense | — |
193,000,000
SEK
|
— | — | — |
18 3
SEK
|
— |
| Other adjustments for non-cash items | — |
45,000,000
SEK
|
— | — | — |
8,000,000
SEK
|
— |
| Interest paid, classified as operating activities | — |
52,000,000
SEK
|
— | — | — |
60,000,000
SEK
|
— |
| Interest received, classified as operating activities | — |
1,000,000
SEK
|
— | — | — |
3,000,000
SEK
|
— |
| Cash flows from (used in) operating activities | — |
17 2
SEK
|
— | — | — |
570,000,000
SEK
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
301,000,000
SEK
|
— | — | — |
23,000,000
SEK
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — |
3,000,000
SEK
|
— | — | — |
61,000,000
SEK
|
— |
| Purchase of intangible assets, classified as investing activities | — |
31,000,000
SEK
|
— | — | — |
5,000,000
SEK
|
— |
| Cash flows from (used in) investing activities | — |
335,000,000
SEK
|
— | — | — |
89,000,000
SEK
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||||
| Proceeds from issuing other equity instruments | — |
4,000,000
SEK
|
— | — | — |
3,000,000
SEK
|
— |
| Payments to acquire or redeem entity's shares | — |
0
SEK
|
— | — | — |
0
SEK
|
— |
| Dividends paid, classified as financing activities | — |
10 3
SEK
|
— | — | — |
0
SEK
|
— |
| Cash flows from (used in) financing activities | — |
15 8
SEK
|
— | — | — |
396,000,000
SEK
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
5,000,000
SEK
|
— | — | — |
86,000,000
SEK
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
6,000,000
SEK
|
— | — | — |
10,000,000
SEK
|
— |
| Cash and cash equivalents |
293,000,000
SEK
|
— | — | — |
292,000,000
SEK
|
— |
216,000,000
SEK
|