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 |
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 | — | — |
12 666,0
SEK
|
— | — |
8 968,2
SEK
|
— | — |
| Other income | — | — |
156,000,000
SEK
|
— | — |
56,000,000
SEK
|
— | — |
| Profit (loss) from operating activities | — | — |
7,106,000,000
SEK
|
— | — |
6,578,000,000
SEK
|
— | — |
| Finance income | — | — |
207,000,000
SEK
|
— | — |
34,000,000
SEK
|
— | — |
| Finance costs | — | — |
100, 4
SEK
|
— | — |
1,109,000,000
SEK
|
— | — |
| Profit (loss) before tax | — | — |
6,309,000,000
SEK
|
— | — |
5,503,000,000
SEK
|
— | — |
| Tax expense (income) | — | — |
1,401,000,000
SEK
|
— | — |
13 0,0
SEK
|
— | — |
| Profit (loss) |
99,000,000
SEK
|
4 80,9
SEK
|
4,908,000,000
SEK
|
4,809,000,000
SEK
|
415 ,1
SEK
|
4,203,000,000
SEK
|
51,000,000
SEK
|
4,151,000,000
SEK
|
| Profit (loss), attributable to [abstract] | ||||||||
| Profit (loss), attributable to owners of parent | — | — |
4,809,000,000
SEK
|
— | — |
4,151,000,000
SEK
|
— | — |
| Profit (loss), attributable to non-controlling interests | — | — |
99,000,000
SEK
|
— | — |
51,000,000
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 | — | — |
397.00
|
— | — |
3, 87
|
— | — |
| Diluted earnings per share [abstract] | ||||||||
| Diluted earnings (loss) per share | — | — |
394.00
|
— | — |
380.00
|
— | — |