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	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	—	172,815 EUR	209,120 EUR	35,507 EUR	1,090 EUR	—	—	487,946 EUR	—	—	70,504 EUR	489,036 EUR	—	506,206 EUR	—	184,141 EUR	—	—	—	11,034 EUR	209,195 EUR	—	35,432 EUR	66,404 EUR	—	495,172 EUR	491,176 EUR	10,082 EUR	209,870 EUR	129,287 EUR	34,757 EUR	107,180 EUR	481,094 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	33,299 EUR	− EUR	− EUR	—	—	—	—	33,299 EUR	710,000 EUR	—	34,009 EUR	− EUR	—	—	62,086 EUR	—	59,665 EUR	—	2,421 EUR	59,665 EUR	− EUR	—	—	− EUR	—	—	− EUR	—	—	—	—	—	—	—	—
Other comprehensive income	2,445 EUR	− EUR	− EUR	—	—	—	—	− EUR	− EUR	—	2,445 EUR	2,445 EUR	—	—	962,000 EUR	—	962,000 EUR	—	− EUR	− EUR	− EUR	—	—	− EUR	—	—	962,000 EUR	—	—	—	—	—	—	—	—
Comprehensive income	35,744 EUR	− EUR	− EUR	—	—	—	—	33,299 EUR	710,000 EUR	—	36,454 EUR	2,445 EUR	—	—	61,124 EUR	—	58,703 EUR	—	2,421 EUR	59,665 EUR	− EUR	—	—	− EUR	—	—	962,000 EUR	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	45,168 EUR	− EUR	− EUR	—	—	—	—	40,147 EUR	1,815 EUR	—	46,983 EUR	5,021 EUR	—	—	46,695 EUR	—	45,226 EUR	—	1,469 EUR	42,400 EUR	− EUR	—	—	− EUR	—	—	2,826 EUR	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	− EUR	− EUR	− EUR	—	—	—	—	4,929 EUR	− EUR	—	− EUR	4,929 EUR	—	—	− EUR	—	− EUR	—	− EUR	46,800 EUR	− EUR	—	—	− EUR	—	—	46,800 EUR	—	—	—	—	—	—	—	—
Increase (decrease) in equity	42,970 EUR	75,000 EUR	75,000 EUR	—	—	—	—	44,625 EUR	10,654 EUR	—	53,624 EUR	1,655 EUR	—	—	46,094 EUR	—	44,625 EUR	—	1,469 EUR	4,811 EUR	675,000 EUR	—	—	675,000 EUR	—	—	39,814 EUR	—	—	—	—	—	—	—	—