Statement Of Financial Position [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Property, plant and equipment |
586,000,000
SEK
|
— | — | — | — |
548,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets |
356,000,000
SEK
|
— | — | — | — |
304,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Goodwill |
1 994
SEK
|
— | — | — | — |
1 677
SEK
|
— | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
302,000,000
SEK
|
— | — | — | — |
216,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets |
27,000,000
SEK
|
— | — | — | — |
29,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current assets |
2 921
SEK
|
— | — | — | — |
2 478
SEK
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Current inventories |
2 140
SEK
|
— | — | — | — |
1 316
SEK
|
— | — | — | — | — | — | — | — | — |
| Current tax assets, current |
59,000,000
SEK
|
— | — | — | — |
50,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
293,000,000
SEK
|
— | — | — | — |
292,000,000
SEK
|
— | — | — | — | — | — |
216,000,000
SEK
|
— | — |
| Current assets |
3 652
SEK
|
— | — | — | — |
2 513
SEK
|
— | — | — | — | — | — | — | — | — |
| Assets |
6 573
SEK
|
— | — | — | — |
4 991
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
1,000,000
SEK
|
— | — | — | — |
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings |
1 856
SEK
|
— | — | — | — |
1 470
SEK
|
— | — | — | — | — | — | — | — | — |
| Other reserves |
32,000,000
SEK
|
— | — | — | — |
29,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
2 377
SEK
|
1 856
SEK
|
32,000,000
SEK
|
488,000,000
SEK
|
1,000,000
SEK
|
1 931
SEK
|
1,000,000
SEK
|
1 470
SEK
|
488,000,000
SEK
|
28,000,000
SEK
|
1 158
SEK
|
10 3
SEK
|
1 750
SEK
|
488,000,000
SEK
|
1,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Deferred tax liabilities |
11 2
SEK
|
— | — | — | — |
94,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities |
2 627
SEK
|
— | — | — | — |
2 108
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Trade and other current payables |
1 377
SEK
|
— | — | — | — |
857,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
70,000,000
SEK
|
— | — | — | — |
48,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
6 573
SEK
|
— | — | — | — |
4 991
SEK
|
— | — | — | — | — | — | — | — | — |