Disclosure Of Analysis Of Other Comprehensive Income By Item [Text Block]

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
Disclosure of analysis of other comprehensive income by item [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of analysis of other comprehensive income by item [abstract]
Disclosure of analysis of other comprehensive income by item [line items]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	− EUR	− EUR	811,000 EUR	− EUR	811,000 EUR	− EUR	811,000 EUR	− EUR	3,241 EUR	− EUR	− EUR	− EUR	3,241 EUR	3,241 EUR
Other comprehensive income, net of tax, cash flow hedges	− EUR	− EUR	550,000 EUR	− EUR	550,000 EUR	− EUR	550,000 EUR	− EUR	2,986 EUR	− EUR	− EUR	− EUR	2,986 EUR	2,986 EUR
Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans	− EUR	− EUR	4,000 EUR	− EUR	4,000 EUR	− EUR	4,000 EUR	− EUR	14,000 EUR	− EUR	− EUR	− EUR	14,000 EUR	14,000 EUR