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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Property, plant and equipment |
2 811
SEK
|
— | — | — | — | — |
2 321
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
1 234
SEK
|
— | — | — | — | — |
1 064
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1 589
SEK
|
— | — | — | — | — |
1 460
SEK
|
— | — | — | — | — |
758,000,000
SEK
|
— | — | — | — | — |
| Assets |
28 862
SEK
|
— | — | — | — | — |
22 000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
729,000,000
SEK
|
— | — | — | — | — |
728,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
11 186
SEK
|
— | — | — | — | — |
9 239
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
844,000,000
SEK
|
— | — | — | — | — |
325,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
12 759
SEK
|
— | — | — | — | — |
10 292
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
14,000,000
SEK
|
— | — | — | — | — |
11,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
12 773
SEK
|
14,000,000
SEK
|
11 186
SEK
|
729,000,000
SEK
|
12 759
SEK
|
844,000,000
SEK
|
10 303
SEK
|
9 239
SEK
|
325,000,000
SEK
|
10 292
SEK
|
11,000,000
SEK
|
728,000,000
SEK
|
8 634
SEK
|
7 776
SEK
|
727,000,000
SEK
|
10,000,000
SEK
|
121,000,000
SEK
|
8 624
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities |
1 279
SEK
|
— | — | — | — | — |
953,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
16 089
SEK
|
— | — | — | — | — |
11 697
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
28 862
SEK
|
— | — | — | — | — |
22 000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |