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 |
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) |
353,000,000
SEK
|
— | — | — | — |
1 029
SEK
|
— | — |
| Other comprehensive income [abstract] | ||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans |
21,000,000
SEK
|
— | — | — | — |
105,000,000
SEK
|
— | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||
| Exchange differences on translation [abstract] | ||||||||
| Gains (losses) on exchange differences on translation of foreign operations, before tax |
22,000,000
SEK
|
— | — | — | — |
110,000,000
SEK
|
— | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income |
4,000,000
SEK
|
— | — | — | — |
22,000,000
SEK
|
— | — |
| Comprehensive income |
392,000,000
SEK
|
22,000,000
SEK
|
370,000,000
SEK
|
392,000,000
SEK
|
110,000,000
SEK
|
835,000,000
SEK
|
945,000,000
SEK
|
835,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||
| Comprehensive income, attributable to owners of parent |
392,000,000
SEK
|
— | — | — | — |
835,000,000
SEK
|
— | — |