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] | |||||||||||||||||||||
| Investments accounted for using equity method |
158,000,000
SEK
|
— | — | — | — | — | — | — | — |
16 0
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
91,000,000
SEK
|
— | — | — | — | — | — | — | — |
10 8
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
3 179
SEK
|
— | — | — | — | — | — | — | — |
2 725
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories |
4,000,000
SEK
|
— | — | — | — | — | — | — | — |
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
252,000,000
SEK
|
— | — | — | — | — | — | — | — |
5 75
SEK
|
— | — | — | — | — | — | — | — | — | — |
234,000,000
SEK
|
| Current assets |
3 934
SEK
|
— | — | — | — | — | — | — | — |
4 189
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Assets |
7 113
SEK
|
— | — | — | — | — | — | — | — |
6 914
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
3,000,000
SEK
|
— | — | — | — | — | — | — | — |
3,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
1 112
SEK
|
— | — | — | — | — | — | — | — |
1 347
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
2 240
SEK
|
— | — | — | — | — | — | — | — |
2 467
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
12,000,000
SEK
|
— | — | — | — | — | — | — | — |
0
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
2 252
SEK
|
12,000,000
SEK
|
1 112
SEK
|
3,000,000
SEK
|
1,000,000
SEK
|
2 240
SEK
|
1 126
SEK
|
1 347
SEK
|
1 118
SEK
|
2 467
SEK
|
2 467
SEK
|
0
SEK
|
1,000,000
SEK
|
3,000,000
SEK
|
998,000,000
SEK
|
0
SEK
|
9 47
SEK
|
1 946
SEK
|
2,000,000
SEK
|
1,000,000
SEK
|
1 946
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions |
202,000,000
SEK
|
— | — | — | — | — | — | — | — |
202,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
1 985
SEK
|
— | — | — | — | — | — | — | — |
74 0
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current tax liabilities, current |
1,000,000
SEK
|
— | — | — | — | — | — | — | — |
0
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
2 876
SEK
|
— | — | — | — | — | — | — | — |
3 707
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
7 113
SEK
|
— | — | — | — | — | — | — | — |
6 914
SEK
|
— | — | — | — | — | — | — | — | — | — | — |