Statement Of Comprehensive Income [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||
| Profit (loss) | — |
621,000,000
SEK
|
621,000,000
SEK
|
485,000,000
SEK
|
485,000,000
SEK
|
— |
| Other comprehensive income [abstract] | ||||||
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||
| Exchange differences on translation [abstract] | ||||||
| Gains (losses) on exchange differences on translation of foreign operations, net of tax |
28,000,000
SEK
|
28,000,000
SEK
|
— | — |
18,000,000
SEK
|
18,000,000
SEK
|
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — |
28,000,000
SEK
|
— | — |
18,000,000
SEK
|
— |
| Comprehensive income |
28,000,000
SEK
|
649,000,000
SEK
|
621,000,000
SEK
|
485,000,000
SEK
|
467,000,000
SEK
|
18,000,000
SEK
|