Statement Of Changes In Equity [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
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 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||
| Increase (decrease) through exercise of options, equity | — |
6,854,000,000
SEK
|
— | — | — |
6,854,000,000
SEK
|
6,854,000,000
SEK
|
— | — | — | — | — | — | — |
| Increase (decrease) through transactions with owners, equity |
38,000,000
SEK
|
1,287,000,000
SEK
|
8,973,000,000
SEK
|
2,000,000
SEK
|
-
SEK
|
7,726,000,000
SEK
|
1,249,000,000
SEK
|
-
SEK
|
5,000,000
SEK
|
839,000,000
SEK
|
-
SEK
|
844,000,000
SEK
|
839,000,000
SEK
|
0
SEK
|
| Purchase of treasury shares | — |
27,000,000
SEK
|
27,000,000
SEK
|
— | — | — |
27,000,000
SEK
|
— |
38,000,000
SEK
|
38,000,000
SEK
|
— | — |
38,000,000
SEK
|
— |