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 |
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) |
1 076
SEK
|
— | — |
18 5 08
SEK
|
19 5 84
SEK
|
18 50 8
SEK
|
6 641
SEK
|
7 275
SEK
|
— |
634,000,000
SEK
|
— |
6 641
SEK
|
| Other comprehensive income [abstract] | ||||||||||||
| Other comprehensive income |
271,000,000
SEK
|
103,000,000
SEK
|
788,000,000
SEK
|
890,000,000
SEK
|
1 162
SEK
|
— | — |
7 6 3
SEK
|
357,000,000
SEK
|
394,000,000
SEK
|
11,000,000
SEK
|
368,000,000
SEK
|
| Comprehensive income |
1 3 48
SEK
|
103,000,000
SEK
|
788,000,000
SEK
|
19 3 99
SEK
|
2 0 74 6
SEK
|
1 8 508
SEK
|
6 641
SEK
|
6 51 3
SEK
|
357,000,000
SEK
|
240,000,000
SEK
|
11,000,000
SEK
|
6 273
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
19 3 99
SEK
|
— | — |
6 273
SEK
|
— | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — |
1 34 8
SEK
|
— | — |
240,000,000
SEK
|
— | — | — | — |