Statement Of Comprehensive Income [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||
| Profit (loss) | — |
0
SEK
|
0
SEK
|
409,000,000
SEK
|
409,000,000
SEK
|
0
SEK
|
— |
0
SEK
|
0
SEK
|
0
SEK
|
3,692,000,000
SEK
|
3,692,000,000
SEK
|
| Other comprehensive income [abstract] | ||||||||||||
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||
| Cash flow hedges [abstract] | ||||||||||||
| Other comprehensive income, before tax, cash flow hedges |
28,000,000
SEK
|
— | — |
28,000,000
SEK
|
— | — |
50,000,000
SEK
|
— | — | — |
50,000,000
SEK
|
— |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss |
5,000,000
SEK
|
— | — |
5,000,000
SEK
|
— | — |
10,000,000
SEK
|
— | — | — |
10,000,000
SEK
|
— |
| Other comprehensive income | — |
0
SEK
|
112,000,000
SEK
|
112,000,000
SEK
|
0
SEK
|
0
SEK
|
— |
211,000,000
SEK
|
0
SEK
|
0
SEK
|
211,000,000
SEK
|
0
SEK
|
| Comprehensive income | — |
0
SEK
|
112,000,000
SEK
|
521,000,000
SEK
|
409,000,000
SEK
|
0
SEK
|
— |
211,000,000
SEK
|
0
SEK
|
0
SEK
|
3,903,000,000
SEK
|
3,692,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
521,000,000
SEK
|
— | — | — | — | — | — |
3,903,000,000
SEK
|
— |