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 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 |
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 |
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 | — | — |
9 711
SEK
|
— | — | — | — | — | — | — | — | — | — |
9 226
SEK
|
— | — | — | — | — | — | — |
| Right-of-use assets | — | — |
240,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
284,000,000
SEK
|
— | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — |
1 756
SEK
|
— | — | — | — | — | — | — | — | — | — |
1 717
SEK
|
— | — | — | — | — | — | — |
| Non-current biological assets | — | — |
29 204
SEK
|
— | — | — | — | — | — | — | — | — | — |
28 663
SEK
|
— | — | — | — | — | — | — |
| Other non-current financial assets | — | — |
268,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
290,000,000
SEK
|
— | — | — | — | — | — | — |
| Non-current assets | — | — |
59 598
SEK
|
— | — | — | — | — | — | — | — | — | — |
55 276
SEK
|
— | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories | — | — |
3 818
SEK
|
— | — | — | — | — | — | — | — | — | — |
3 594
SEK
|
— | — | — | — | — | — | — |
| Current tax assets, current | — | — |
70,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
6,000,000
SEK
|
— | — | — | — | — | — | — |
| Other current financial assets | — | — |
39,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
43,000,000
SEK
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
507,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
346,000,000
SEK
|
— | — | — |
483,000,000
SEK
|
— | — | — |
| Current assets | — | — |
8 503
SEK
|
— | — | — | — | — | — | — | — | — | — |
7 267
SEK
|
— | — | — | — | — | — | — |
| Assets | — | — |
68 101
SEK
|
— | — | — | — | — | — | — | — | — | — |
62 543
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — | — |
4 238
SEK
|
— | — | — | — | — | — | — | — | — | — |
4 238
SEK
|
— | — | — | — | — | — | — |
| Retained earnings | — | — |
27 725
SEK
|
— | — | — | — | — | — | — | — | — | — |
26 457
SEK
|
— | — | — | — | — | — | — |
| Other reserves | — | — |
14 748
SEK
|
— | — | — | — | — | — | — | — | — | — |
11 541
SEK
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
46 992
SEK
|
— | — | — | — | — | — | — | — | — | — |
42 516
SEK
|
— | — | — | — | — | — | — |
| Equity |
27 725
SEK
|
13 953
SEK
|
46 992
SEK
|
718,000,000
SEK
|
281,000,000
SEK
|
76,000,000
SEK
|
4 238
SEK
|
26 457
SEK
|
11 297
SEK
|
316,000,000
SEK
|
4 238
SEK
|
73,000,000
SEK
|
281,000,000
SEK
|
42 516
SEK
|
10 366
SEK
|
92,000,000
SEK
|
281,000,000
SEK
|
40 111
SEK
|
25 052
SEK
|
83,000,000
SEK
|
4 238
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Other non-current provisions | — | — |
409,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
491,000,000
SEK
|
— | — | — | — | — | — | — |
| Other non-current financial liabilities | — | — |
3 911
SEK
|
— | — | — | — | — | — | — | — | — | — |
3 919
SEK
|
— | — | — | — | — | — | — |
| Non-current liabilities | — | — |
16 127
SEK
|
— | — | — | — | — | — | — | — | — | — |
15 203
SEK
|
— | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||
| Current provisions | — | — |
-
SEK
|
— | — | — | — | — | — | — | — | — | — |
163,000,000
SEK
|
— | — | — | — | — | — | — |
| Current tax liabilities, current | — | — |
80,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
211,000,000
SEK
|
— | — | — | — | — | — | — |
| Other current financial liabilities | — | — |
736,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
605,000,000
SEK
|
— | — | — | — | — | — | — |
| Current liabilities | — | — |
4 982
SEK
|
— | — | — | — | — | — | — | — | — | — |
4 824
SEK
|
— | — | — | — | — | — | — |
| Liabilities | — | — |
21 109
SEK
|
— | — | — | — | — | — | — | — | — | — |
20 026
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — |
68 101
SEK
|
— | — | — | — | — | — | — | — | — | — |
62 543
SEK
|
— | — | — | — | — | — | — |