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) | — | — | — |
2,235,000,000
SEK
|
2,235,000,000
SEK
|
844,000,000
SEK
|
— |
844,000,000
SEK
|
— | — |
| Other comprehensive income [abstract] | ||||||||||
| Other comprehensive income | — |
130,000,000
SEK
|
— |
130,000,000
SEK
|
— | — | — |
165,000,000
SEK
|
— |
165,000,000
SEK
|
| Comprehensive income |
0
SEK
|
130,000,000
SEK
|
0
SEK
|
2,105,000,000
SEK
|
2,235,000,000
SEK
|
844,000,000
SEK
|
0
SEK
|
1,009,000,000
SEK
|
0
SEK
|
165,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
2,105,000,000
SEK
|
— | — | — |
1,009,000,000
SEK
|
— | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — |
—
SEK
|
— | — | — |
—
SEK
|
— | — |