Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||
| Increase (decrease) through transactions with owners, equity |
0
SEK
|
77,000,000
SEK
|
12,000,000
SEK
|
0
SEK
|
89,000,000
SEK
|
12,000,000
SEK
|
0
SEK
|
104,000,000
SEK
|
0
SEK
|
0
SEK
|
17,000,000
SEK
|
77,000,000
SEK
|
121,000,000
SEK
|
28,000,000
SEK
|
| Purchase of treasury shares |
-
SEK
|
-
SEK
|
89,000,000
SEK
|
-
SEK
|
89,000,000
SEK
|
89,000,000
SEK
|
-
SEK
|
— | — | — | — | — | — | — |