Statement Of Changes In Equity [Abstract]

Terna Energy S.A. - Filing #5620785

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 disposal of subsidiary, equity	7,899 EUR	− EUR	7,899 EUR	− EUR	194,000 EUR	194,000 EUR	− EUR	—	—	—	—	—	—	—
Increase (decrease) through transfer between revaluation surplus and retained earnings, equity	− EUR	75,000 EUR	− EUR	75,000 EUR	− EUR	− EUR	− EUR	675,000 EUR	3,000 EUR	− EUR	3,000 EUR	675,000 EUR	− EUR	3,000 EUR
Increase (decrease) through transfer to statutory reserve, equity	112,000 EUR	− EUR	2,310 EUR	− EUR	11,799 EUR	9,601 EUR	2,198 EUR	− EUR	604,000 EUR	− EUR	9,208 EUR	− EUR	9,812 EUR	604,000 EUR
Reduction of issued capital	1,052 EUR	− EUR	1,052 EUR	− EUR	− EUR	− EUR	− EUR	—	—	—	—	—	—	—