Statement Of Comprehensive Income [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | |||||||||||
| Profit (loss) |
-
SEK
|
-
SEK
|
2,006,000,000
SEK
|
2,006,000,000
SEK
|
0
SEK
|
— |
–
SEK
|
2,073,000,000
SEK
|
2,073,000,000
SEK
|
–
SEK
|
–
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 | — | — |
7,000,000
SEK
|
— | — | — | — |
16,000,000
SEK
|
— | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | |||||||||||
| Income tax relating to cash flow hedges included in other comprehensive income | — | — |
1,000,000
SEK
|
— | — | — | — |
3,000,000
SEK
|
— | — | — |
| Other comprehensive income |
-
SEK
|
-
SEK
|
17,000,000
SEK
|
5,000,000
SEK
|
12,000,000
SEK
|
178,000,000
SEK
|
–
SEK
|
179,000,000
SEK
|
–
SEK
|
— |
–
SEK
|
| Comprehensive income |
-
SEK
|
-
SEK
|
1,989,000,000
SEK
|
2,001,000,000
SEK
|
12,000,000
SEK
|
178,000,000
SEK
|
–
SEK
|
2,252,000,000
SEK
|
2,073,000,000
SEK
|
— |
–
SEK
|
| Comprehensive income attributable to [abstract] | |||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
1,989,000,000
SEK
|
— | — | — | — |
2,251,000,000
SEK
|
— | — | — |