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 |
2021-01-01 to 2021-12-31 |
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 |
2020-01-01 to 2020-12-31 |
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) | — | — | — | — |
808,000,000
SEK
|
808,000,000
SEK
|
808,000,000
SEK
|
733,000,000
SEK
|
— |
733,000,000
SEK
|
— | — | — |
733,000,000
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 | — | — | — | — | — |
150,000,000
SEK
|
— | — | — |
330,000,000
SEK
|
— | — | — | — |
| Other comprehensive income | — | — | — |
150,000,000
SEK
|
150,000,000
SEK
|
150,000,000
SEK
|
— | — | — |
330,000,000
SEK
|
330,000,000
SEK
|
— | — |
330,000,000
SEK
|
| Comprehensive income |
0
SEK
|
0
SEK
|
0
SEK
|
150,000,000
SEK
|
958,000,000
SEK
|
958,000,000
SEK
|
808,000,000
SEK
|
733,000,000
SEK
|
0
SEK
|
403,000,000
SEK
|
330,000,000
SEK
|
0
SEK
|
0
SEK
|
403,000,000
SEK
|