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 |
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) |
1,000,000
SEK
|
— |
10,901,000,000
SEK
|
10,900,000,000
SEK
|
9,171,000,000
SEK
|
9,172,000,000
SEK
|
1,000,000
SEK
|
— |
| Other comprehensive income [abstract] | ||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — |
705,000,000
SEK
|
— | — |
262,000,000
SEK
|
— | — |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — |
3,444,000,000
SEK
|
— | — |
4,935,000,000
SEK
|
— | — |
| Other comprehensive income |
1,000,000
SEK
|
3,444,000,000
SEK
|
4,150,000,000
SEK
|
705,000,000
SEK
|
262,000,000
SEK
|
5,197,000,000
SEK
|
1,000,000
SEK
|
4,934,000,000
SEK
|
| Comprehensive income |
1,000,000
SEK
|
3,444,000,000
SEK
|
15,050,000,000
SEK
|
11,605,000,000
SEK
|
8,909,000,000
SEK
|
3,975,000,000
SEK
|
0
SEK
|
4,934,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||
| Comprehensive income, attributable to owners of parent | — | — |
15,049,000,000
SEK
|
— | — |
3,975,000,000
SEK
|
— | — |
| Comprehensive income, attributable to non-controlling interests | — | — |
1,000,000
SEK
|
— | — |
0
SEK
|
— | — |