Statement Of Changes In Equity [Abstract]
| Concept |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||
| Equity |
233,000,000
SEK
|
— |
23,023,000,000
SEK
|
4,916,000,000
SEK
|
— | — |
5,000,000
SEK
|
— |
1 786,9
SEK
|
— | — |
2 501,1
SEK
|
— | — | — |
6,917,000,000
SEK
|
220,000,000
SEK
|
5,000,000
SEK
|
220,000,000
SEK
|
1 786,9
SEK
|
— | — |
4,835,000,000
SEK
|
1 786,9
SEK
|
2 275,9
SEK
|
50,000,000
SEK
|
5,000,000
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||
| Profit (loss) | — |
2,006,000,000
SEK
|
— | — |
2,006,000,000
SEK
|
-
SEK
|
— |
-
SEK
|
— |
0
SEK
|
— | — |
–
SEK
|
2,073,000,000
SEK
|
2,073,000,000
SEK
|
— | — | — | — | — |
–
SEK
|
–
SEK
|
— | — | — | — | — |
| Other comprehensive income | — |
17,000,000
SEK
|
— | — |
5,000,000
SEK
|
-
SEK
|
— |
-
SEK
|
— |
12,000,000
SEK
|
178,000,000
SEK
|
— |
–
SEK
|
179,000,000
SEK
|
–
SEK
|
— | — | — | — | — | — |
–
SEK
|
— | — | — | — | — |
| Comprehensive income | — |
1,989,000,000
SEK
|
— | — |
2,001,000,000
SEK
|
-
SEK
|
— |
-
SEK
|
— |
12,000,000
SEK
|
178,000,000
SEK
|
— |
–
SEK
|
2,252,000,000
SEK
|
2,073,000,000
SEK
|
— | — | — | — | — | — |
–
SEK
|
— | — | — | — | — |