Statement Of Comprehensive Income [Abstract]
| Concept |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||
| Profit (loss) |
–
SEK
|
–
SEK
|
–
SEK
|
26 594
SEK
|
26 594
SEK
|
26 594
SEK
|
–
SEK
|
–
SEK
|
8 440
SEK
|
8 440
SEK
|
–
SEK
|
8 440
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 |
–
SEK
|
–
SEK
|
18,000,000
SEK
|
–
SEK
|
18,000,000
SEK
|
18,000,000
SEK
|
0
SEK
|
–
SEK
|
0
SEK
|
0
SEK
|
–
SEK
|
–
SEK
|
| Comprehensive income |
–
SEK
|
–
SEK
|
18,000,000
SEK
|
26 594
SEK
|
26 612
SEK
|
26 612
SEK
|
0
SEK
|
–
SEK
|
8 440
SEK
|
8 440
SEK
|
–
SEK
|
8 440
SEK
|