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] | ||||||||||||||||||
| Right-of-use assets |
931,000,000
SEK
|
— | — | — | — | — |
929,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Investment property |
77 749
SEK
|
— | — | — | — | — |
76 688
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
33 989
SEK
|
— | — | — | — | — |
35 963
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
2 790
SEK
|
— | — | — | — | — |
2 211
SEK
|
— | — | — | — | — |
1 608
SEK
|
— | — | — | — | — |
| Assets |
211 755
SEK
|
— | — | — | — | — |
202 518
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
2 480
SEK
|
— | — | — | — | — |
2 480
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
83 981
SEK
|
— | — | — | — | — |
83 288
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
13 358
SEK
|
— | — | — | — | — |
13 813
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
99 819
SEK
|
— | — | — | — | — |
99 581
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
54 120
SEK
|
— | — | — | — | — |
47 584
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
153 939
SEK
|
54 120
SEK
|
83 981
SEK
|
2 480
SEK
|
99 819
SEK
|
13 358
SEK
|
147 165
SEK
|
83 288
SEK
|
13 813
SEK
|
99 581
SEK
|
47 584
SEK
|
2 480
SEK
|
128 723
SEK
|
72 728
SEK
|
2 480
SEK
|
43 471
SEK
|
10 044
SEK
|
85 252
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Liabilities |
57 816
SEK
|
— | — | — | — | — |
55 353
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
211 755
SEK
|
— | — | — | — | — |
202 518
SEK
|
— | — | — | — | — | — | — | — | — | — | — |