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] | ||||||||||||||||||
| Non-current 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
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
10,000,000
SEK
|
— | — | — | — | — |
10,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
28 833
SEK
|
— | — | — | — | — |
25 795
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Trade and other current receivables |
11,000,000
SEK
|
— | — | — | — | — |
8,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
5,000,000
SEK
|
— | — | — | — | — |
25,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets |
281,000,000
SEK
|
— | — | — | — | — |
97,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
217,000,000
SEK
|
— | — | — | — | — |
171,000,000
SEK
|
— | — | — | — | — |
148,000,000
SEK
|
— | — | — | — | — |
| Current assets other than non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
632,000,000
SEK
|
— | — | — | — | — |
370,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
—
SEK
|
— | — | — | — | — |
792,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets |
632,000,000
SEK
|
— | — | — | — | — |
1 162
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
|
12,000,000
SEK
|
74,000,000
SEK
|
7 201
SEK
|
2 400
SEK
|
9 613
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||
| Other non-current provisions |
195,000,000
SEK
|
— | — | — | — | — |
10,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
2 503
SEK
|
— | — | — | — | — |
2 020
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities |
7 466
SEK
|
— | — | — | — | — |
10 240
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
10 239
SEK
|
— | — | — | — | — |
12 822
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Trade and other current payables |
55,000,000
SEK
|
— | — | — | — | — |
45,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
0
SEK
|
— | — | — | — | — |
—
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities |
301,000,000
SEK
|
— | — | — | — | — |
114,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities other than liabilities included in disposal groups classified as held for sale |
5 227
SEK
|
— | — | — | — | — |
2 754
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale |
SEK
|
— | — | — | — | — |
313,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
5 227
SEK
|
— | — | — | — | — |
3 067
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
29 465
SEK
|
— | — | — | — | — |
26 957
SEK
|
— | — | — | — | — | — | — | — | — | — | — |