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 |
27 043
SEK
|
— | — | — | — | — |
25 289
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
30,000,000
SEK
|
— | — | — | — | — |
30,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Investment property |
26 994
SEK
|
— | — | — | — | — |
25 239
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
1 172
SEK
|
— | — | — | — | — |
496,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
—
SEK
|
— | — | — | — | — |
792,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
217,000,000
SEK
|
— | — | — | — | — |
171,000,000
SEK
|
— | — | — | — | — |
148,000,000
SEK
|
— | — | — | — | — |
| Assets |
29 465
SEK
|
— | — | — | — | — |
26 957
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
12,000,000
SEK
|
— | — | — | — | — |
12,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Share premium |
2 400
SEK
|
— | — | — | — | — |
2 400
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
13 999
SEK
|
—
SEK
|
2 400
SEK
|
11 587
SEK
|
12,000,000
SEK
|
13 999
SEK
|
11 068
SEK
|
8 656
SEK
|
11 068
SEK
|
2 400
SEK
|
—
SEK
|
12,000,000
SEK
|
9 687
SEK
|
7 201
SEK
|
12,000,000
SEK
|
74,000,000
SEK
|
2 400
SEK
|
9 613
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities |
2 503
SEK
|
— | — | — | — | — |
2 020
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale |
SEK
|
— | — | — | — | — |
313,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
29 465
SEK
|
— | — | — | — | — |
26 957
SEK
|
— | — | — | — | — | — | — | — | — | — | — |