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 |
2,147,000,000
SEK
|
— | — | — | — |
1,273,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets |
1,333,000,000
SEK
|
— | — | — | — |
814,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Goodwill |
1 953,6
SEK
|
— | — | — | — |
1 258,3
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets |
14,000,000
SEK
|
— | — | — | — |
2,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current assets |
2 450,6
SEK
|
— | — | — | — |
1 520,8
SEK
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Current inventories |
160,000,000
SEK
|
— | — | — | — |
65,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
2,716,000,000
SEK
|
— | — | — | — |
4,093,000,000
SEK
|
— | — | — | — | — | — |
484,000,000
SEK
|
— | — |
| Current assets |
8,949,000,000
SEK
|
— | — | — | — |
7,018,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Assets |
3 345,5
SEK
|
— | — | — | — |
2 222,6
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
23,000,000
SEK
|
— | — | — | — |
23,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
1 269,6
SEK
|
3,644,000,000
SEK
|
156,000,000
SEK
|
8,873,000,000
SEK
|
23,000,000
SEK
|
1 046,5
SEK
|
23,000,000
SEK
|
2,058,000,000
SEK
|
8,447,000,000
SEK
|
62,000,000
SEK
|
1,162,000,000
SEK
|
71,000,000
SEK
|
1,507,000,000
SEK
|
340,000,000
SEK
|
12,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||
| Non-current provisions |
46,000,000
SEK
|
— | — | — | — |
35,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
745,000,000
SEK
|
— | — | — | — |
303,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities |
1 240,8
SEK
|
— | — | — | — |
7,035,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Current tax liabilities, current |
410,000,000
SEK
|
— | — | — | — |
313,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities |
8,351,000,000
SEK
|
— | — | — | — |
4,725,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
3 345,5
SEK
|
— | — | — | — |
2 222,6
SEK
|
— | — | — | — | — | — | — | — | — |