Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
10 330
SEK
|
— | — | — | — | — | — |
10 124
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
244,000,000
SEK
|
— | — | — | — | — | — |
242,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
1 686
SEK
|
— | — | — | — | — | — |
1 680
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1 202
SEK
|
— | — | — | — | — | — |
1 935
SEK
|
— | — | — | — | — | — | — | — |
507,000,000
SEK
|
— | — | — | — |
| Assets |
79 719
SEK
|
— | — | — | — | — | — |
81 436
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
4 238
SEK
|
— | — | — | — | — | — |
4 238
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
31 738
SEK
|
— | — | — | — | — | — |
31 742
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
20 667
SEK
|
— | — | — | — | — | — |
20 689
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
56 923
SEK
|
— | — | — | — | — | — |
56 950
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
56 923
SEK
|
31 738
SEK
|
20 199
SEK
|
281,000,000
SEK
|
4 238
SEK
|
148,000,000
SEK
|
320,000,000
SEK
|
56 950
SEK
|
17 426
SEK
|
281,000,000
SEK
|
31 742
SEK
|
4 238
SEK
|
126,000,000
SEK
|
3 137
SEK
|
27 725
SEK
|
13 953
SEK
|
46 992
SEK
|
718,000,000
SEK
|
281,000,000
SEK
|
76,000,000
SEK
|
4 238
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Liabilities |
22 796
SEK
|
— | — | — | — | — | — |
24 486
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
79 719
SEK
|
— | — | — | — | — | — |
81 436
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |