Statement Of Comprehensive Income [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||
| Profit (loss) |
SEK
|
12 654
SEK
|
12 654
SEK
|
SEK
|
SEK
|
SEK
|
SEK
|
26 844
SEK
|
26 844
SEK
|
SEK
|
| Other comprehensive income [abstract] | ||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans | — |
5,000,000
SEK
|
— | — | — | — | — |
9,000,000
SEK
|
— | — |
| Other comprehensive income |
SEK
|
5,000,000
SEK
|
SEK
|
5,000,000
SEK
|
SEK
|
SEK
|
SEK
|
9,000,000
SEK
|
SEK
|
9,000,000
SEK
|
| Comprehensive income |
SEK
|
12 649
SEK
|
12 654
SEK
|
5,000,000
SEK
|
SEK
|
SEK
|
SEK
|
26 835
SEK
|
26 844
SEK
|
9,000,000
SEK
|