Statement Of Changes In Equity [Abstract]
| Concept |
2024-03-01 to 2025-02-28 |
2024-03-01 to 2025-02-28 |
2024-03-01 to 2025-02-28 |
2024-03-01 to 2025-02-28 |
2024-03-01 to 2025-02-28 |
2024-03-01 to 2025-02-28 |
2023-03-01 to 2024-02-28 |
2023-03-01 to 2024-02-28 |
2023-03-01 to 2024-02-28 |
2023-03-01 to 2024-02-28 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||
| Statement of changes in equity [line items] | ||||||||||
| Increase (decrease) through change in equity of subsidiaries, equity | — |
32,000,000
ISK
|
— |
0
ISK
|
32,000,000
ISK
|
— | — | — | — | — |
| Increase (decrease) through acquisition of subsidiary, equity | — |
34,000,000
ISK
|
34,000,000
ISK
|
34,000,000
ISK
|
— | — | — | — | — | — |
| Increase (decrease) through transfer between revaluation surplus and retained earnings, equity | — |
3,677,000
ISK
|
— |
3,677,000
ISK
|
— |
3,677,000
ISK
|
— | — | — | — |
| Purchase of treasury shares | — | — | — | — | — | — |
1,500,000
ISK
|
1,478,000
ISK
|
1,500,000
ISK
|
22,000,000
ISK
|
| Sale or issue of treasury shares |
14,000,000
ISK
|
1,385,000
ISK
|
1,371,000
ISK
|
1,385,000
ISK
|
— | — | — | — | — | — |
| Cancellation of treasury shares | — | — | — | — | — | — |
833,000,000
ISK
|
820,000,000
ISK
|
833,000,000
ISK
|
13,000,000
ISK
|