Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
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 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 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
817,500,000
SEK
|
— | — | — | — | — | — | — | — | — |
698,200,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
4,152,100,000
SEK
|
— | — | — | — | — | — | — | — | — |
2,673,600,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
386,600,000
SEK
|
— | — | — | — | — | — | — | — | — |
341,100,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
66,100,000
SEK
|
— | — | — | — | — | — | — | — | — |
11,300,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-current assets |
10,344,900,000
SEK
|
— | — | — | — | — | — | — | — | — |
8,240,700,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories |
618,900,000
SEK
|
— | — | — | — | — | — | — | — | — |
400,400,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
38,300,000
SEK
|
— | — | — | — | — | — | — | — | — |
28,300,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
904,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
898,100,000
SEK
|
— | — | — | — | — | — | — | — | — |
1,101,400,000
SEK
|
| Current assets |
4,229,300,000
SEK
|
— | — | — | — | — | — | — | — | — |
3,558,900,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Assets |
14,574,100,000
SEK
|
— | — | — | — | — | — | — | — | — |
11,799,600,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
353,600,000
SEK
|
— | — | — | — | — | — | — | — | — |
353,600,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Retained earnings |
1,673,400,000
SEK
|
— | — | — | — | — | — | — | — | — |
1,420,200,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other reserves |
532,200,000
SEK
|
— | — | — | — | — | — | — | — | — |
227,100,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
3,834,800,000
SEK
|
— | — | — | — | — | — | — | — | — |
3,276,500,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
35,500,000
SEK
|
— | — | — | — | — | — | — | — | — |
27,400,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
3,870,300,000
SEK
|
532,200,000
SEK
|
35,500,000
SEK
|
1,673,400,000
SEK
|
353,600,000
SEK
|
3,834,800,000
SEK
|
1,275,600,000
SEK
|
1,420,200,000
SEK
|
227,100,000
SEK
|
1,275,600,000
SEK
|
3,303,900,000
SEK
|
3,276,500,000
SEK
|
27,400,000
SEK
|
353,600,000
SEK
|
1,201,200,000
SEK
|
20,900,000
SEK
|
1,275,600,000
SEK
|
2,887,000,000
SEK
|
353,600,000
SEK
|
56,600,000
SEK
|
2,907,800,000
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Other non-current provisions |
34,400,000
SEK
|
— | — | — | — | — | — | — | — | — |
19,300,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
236,600,000
SEK
|
— | — | — | — | — | — | — | — | — |
233,600,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
7,500,300,000
SEK
|
— | — | — | — | — | — | — | — | — |
5,578,800,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||
| Other current provisions |
169,300,000
SEK
|
— | — | — | — | — | — | — | — | — |
138,800,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
151,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
109,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities |
146,700,000
SEK
|
— | — | — | — | — | — | — | — | — |
160,800,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities |
3,203,500,000
SEK
|
— | — | — | — | — | — | — | — | — |
2,916,900,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
14,574,100,000
SEK
|
— | — | — | — | — | — | — | — | — |
11,799,600,000
SEK
|
— | — | — | — | — | — | — | — | — | — |