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 |
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) |
0
SEK
|
— |
1 492
SEK
|
1 492
SEK
|
1 492
SEK
|
1 292
SEK
|
1 293
SEK
|
1,000,000
SEK
|
1 292
SEK
|
— |
| Other comprehensive income [abstract] | ||||||||||
| Other comprehensive income |
0
SEK
|
180,000,000
SEK
|
184,000,000
SEK
|
184,000,000
SEK
|
4,000,000
SEK
|
34,000,000
SEK
|
348,000,000
SEK
|
0
SEK
|
348,000,000
SEK
|
314,000,000
SEK
|
| Comprehensive income |
0
SEK
|
180,000,000
SEK
|
1 676
SEK
|
1 676
SEK
|
1 496
SEK
|
1 259
SEK
|
945,000,000
SEK
|
0
SEK
|
945,000,000
SEK
|
314,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
1 676
SEK
|
— | — |
945,000,000
SEK
|
— | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — |
0
SEK
|
— | — |
0
SEK
|
— | — | — |