Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||
| Equity | — |
7 849
SEK
|
— |
4 533
SEK
|
— | — | — |
33,000,000
SEK
|
2 949
SEK
|
— |
334,000,000
SEK
|
7 816
SEK
|
4 954
SEK
|
46,000,000
SEK
|
7 617
SEK
|
324,000,000
SEK
|
2 339
SEK
|
7 663
SEK
|
7 663
SEK
|
— | — | — | — |
46,000,000
SEK
|
2 339
SEK
|
4 954
SEK
|
324,000,000
SEK
|
7 617
SEK
|
— | — |
6 698
SEK
|
4 041
SEK
|
2 334
SEK
|
324,000,000
SEK
|
46,000,000
SEK
|
6 743
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||
| Profit (loss) |
61,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 244
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
-
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
-
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
61,000,000
SEK
|
— |
62,000,000
SEK
|
— |
1,000,000
SEK
|
62,000,000
SEK
|
-
SEK
|
— | — |
-
SEK
|
— | — | — | — | — | — | — | — | — |
-
SEK
|
1 244
SEK
|
1 224
SEK
|
20,000,000
SEK
|
— | — | — | — | — |
1 224
SEK
|
-
SEK
|
— | — | — | — | — | — |
| Issue of equity |
617,000,000
SEK
|
— |
617,000,000
SEK
|
— |
-
SEK
|
-
SEK
|
607,000,000
SEK
|
— | — |
10,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
367,000,000
SEK
|
— |
363,000,000
SEK
|
— |
4,000,000
SEK
|
363,000,000
SEK
|
-
SEK
|
— | — |
-
SEK
|
— | — | — | — | — | — | — | — | — |
-
SEK
|
31 0
SEK
|
31 0
SEK
|
-
SEK
|
— | — | — | — | — |
31 0
SEK
|
-
SEK
|
— | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
5,000,000
SEK
|
— |
4,000,000
SEK
|
— |
9,000,000
SEK
|
4,000,000
SEK
|
-
SEK
|
— | — |
-
SEK
|
— | — | — | — | — | — | — | — | — |
-
SEK
|
2 0
SEK
|
-
SEK
|
2 0
SEK
|
— | — | — | — | — |
-
SEK
|
-
SEK
|
— | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
3,000,000
SEK
|
— |
3,000,000
SEK
|
— |
-
SEK
|
-
SEK
|
3,000,000
SEK
|
— | — |
-
SEK
|
— | — | — | — | — | — | — | — | — |
-
SEK
|
3,000,000
SEK
|
-
SEK
|
-
SEK
|
— | — | — | — | — |
3,000,000
SEK
|
3,000,000
SEK
|
— | — | — | — | — | — |