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 |
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 |
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) |
42,000,000
SEK
|
–
SEK
|
4,759,000,000
SEK
|
–
SEK
|
4,759,000,000
SEK
|
–
SEK
|
–
SEK
|
42,000,000
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
4,801,000,000
SEK
|
27,000,000
SEK
|
3,580,000,000
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
27,000,000
SEK
|
3,553,000,000
SEK
|
–
SEK
|
3,553,000,000
SEK
|
–
SEK
|
| Other comprehensive income [abstract] | ||||||||||||||||||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — | — | — | — | — | — | — | — | — | — |
783,000,000
SEK
|
— |
470,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — | — | — | — | — | — | — | — | — | — |
1,313,000,000
SEK
|
— |
1,786,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
21,000,000
SEK
|
347,000,000
SEK
|
2,075,000,000
SEK
|
1,639,000,000
SEK
|
–
SEK
|
443,000,000
SEK
|
340,000,000
SEK
|
–
SEK
|
–
SEK
|
21,000,000
SEK
|
–
SEK
|
2,096,000,000
SEK
|
–
SEK
|
2,256,000,000
SEK
|
345,000,000
SEK
|
125,000,000
SEK
|
590,000,000
SEK
|
–
SEK
|
–
SEK
|
11,000,000
SEK
|
2,245,000,000
SEK
|
2,365,000,000
SEK
|
–
SEK
|
11,000,000
SEK
|
| Comprehensive income |
63,000,000
SEK
|
347,000,000
SEK
|
6,834,000,000
SEK
|
1,639,000,000
SEK
|
4,759,000,000
SEK
|
443,000,000
SEK
|
340,000,000
SEK
|
42,000,000
SEK
|
–
SEK
|
21,000,000
SEK
|
–
SEK
|
6,897,000,000
SEK
|
27,000,000
SEK
|
1,324,000,000
SEK
|
345,000,000
SEK
|
125,000,000
SEK
|
590,000,000
SEK
|
–
SEK
|
–
SEK
|
16,000,000
SEK
|
1,308,000,000
SEK
|
2,365,000,000
SEK
|
3,553,000,000
SEK
|
11,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | — |
6,834,000,000
SEK
|
— |
1,308,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — | — | — | — | — |
63,000,000
SEK
|
— |
16,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |