Profit Or Loss [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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||||||||||||||||
| Profit (loss) [abstract] | ||||||||||||||||||||||||
| Revenue | — | — | — | — | — | — | — | — | — | — | — |
40,911,000,000
SEK
|
— |
41,468,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other income | — | — | — | — | — | — | — | — | — | — | — |
910,000,000
SEK
|
— |
819,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Profit (loss) from operating activities | — | — | — | — | — | — | — | — | — | — | — |
6,126,000,000
SEK
|
— |
5,580,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Profit (loss) before tax | — | — | — | — | — | — | — | — | — | — | — |
6,142,000,000
SEK
|
— |
4,977,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Tax expense (income) | — | — | — | — | — | — | — | — | — | — | — |
1,308,000,000
SEK
|
— |
1,372,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| 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
|
| Profit (loss), attributable to [abstract] | ||||||||||||||||||||||||
| Profit (loss), attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | — |
4,759,000,000
SEK
|
— |
3,553,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Profit (loss), attributable to non-controlling interests | — | — | — | — | — | — | — | — | — | — | — |
42,000,000
SEK
|
— |
27,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Earnings per share [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Earnings per share [abstract] | ||||||||||||||||||||||||
| Earnings per share [line items] | ||||||||||||||||||||||||
| Basic earnings per share [abstract] | ||||||||||||||||||||||||
| Basic earnings (loss) per share | — | — | — | — | — | — | — | — | — | — | — |
11.38
|
— |
8.47
|
— | — | — | — | — | — | — | — | — | — |