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 |
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 |
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 acquisition of subsidiary, equity |
211,000,000
SEK
|
210,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
1,000,000
SEK
|
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through transactions with owners, equity |
208,000,000
SEK
|
403,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
195,000,000
SEK
|
195,000,000
SEK
|
—
SEK
|
—
SEK
|
100,000,000
SEK
|
19,000,000
SEK
|
81,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
81,000,000
SEK
|
| Purchase of treasury shares |
—
SEK
|
190,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
190,000,000
SEK
|
190,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Sale or issue of treasury shares |
—
SEK
|
67,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
67,000,000
SEK
|
67,000,000
SEK
|
— | — | — | — | — | — | — | — | — |