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 | — |
14,000,000
SEK
|
— | — | — | — |
22,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — |
38 0
SEK
|
— | — | — | — |
390,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Investment property | — |
52 655
SEK
|
— | — | — | — |
46 067
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | — |
9 864
SEK
|
— | — | — | — |
8 784
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners | — |
27,000,000
SEK
|
— | — | — | — |
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
76,000,000
SEK
|
— | — | — | — |
84,000,000
SEK
|
— | — | — | — | — |
24,000,000
SEK
|
— | — | — | — | — |
| Assets | — |
71 831
SEK
|
— | — | — | — |
62 472
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — |
7 81
SEK
|
— | — | — | — |
78 0
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — |
27 988
SEK
|
— | — | — | — |
26 228
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Share premium | — |
3 616
SEK
|
— | — | — | — |
3 578
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
1 078
SEK
|
33 463
SEK
|
3 616
SEK
|
27 988
SEK
|
7 81
SEK
|
33 463
SEK
|
31 079
SEK
|
26 228
SEK
|
493,000,000
SEK
|
31 079
SEK
|
3 578
SEK
|
780,000,000
SEK
|
— |
808,000,000
SEK
|
338,000,000
SEK
|
17 765
SEK
|
3 542
SEK
|
22 452
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities | — |
3 779
SEK
|
— | — | — | — |
3 087
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — |
38 368
SEK
|
— | — | — | — |
31 393
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
71 831
SEK
|
— | — | — | — |
62 472
SEK
|
— | — | — | — | — | — | — | — | — | — | — |