Analysis Of Income And Expense [Abstract]

REN-Redes Energeticas Nacionais - Filing #5597998

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	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	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue from sale of goods	—	—	—	—	—	—	—	613,000 EUR	—	—	—	—	179,000 EUR	—	—	—	—	—	—	—	—	—
Revenue from rendering of services	—	—	—	—	—	—	—	627,851 EUR	—	—	—	—	651,581 EUR	—	—	—	—	—	—	—	—	—
Dividend income	—	—	—	—	—	—	—	13,044 EUR	—	—	—	—	10,018 EUR	—	—	—	—	—	—	—	—	—
Material income and expense [abstract]
Finance income (cost)	—	—	—	—	—	—	—	56,730 EUR	—	—	—	—	43,477 EUR	—	—	—	—	—	—	—	—	—
Other finance income	—	—	—	—	—	—	—	24,027 EUR	—	—	—	—	29,656 EUR	—	—	—	—	—	—	—	—	—
Miscellaneous other operating income	—	—	—	—	—	—	—	37,025 EUR	—	—	—	—	30,446 EUR	—	—	—	—	—	—	—	—	—
Miscellaneous other operating expense	—	—	—	—	—	—	—	22,813 EUR	—	—	—	—	21,719 EUR	—	—	—	—	—	—	—	—	—
Revenue and other operating income	—	—	—	—	—	—	—	1.031.725 EUR	—	—	—	—	991,179 EUR	—	—	—	—	—	—	—	—	—
Operating expense	—	—	—	—	—	—	—	784,786 EUR	—	—	—	—	727,456 EUR	—	—	—	—	—	—	—	—	—
Gains (losses) on change in fair value of derivatives [abstract]
Gains (losses) on change in fair value of derivatives	—	—	—	—	—	—	—	14,031 EUR	—	—	—	—	- EUR	—	—	—	—	—	—	—	—	—
Expenses by nature [abstract]
Services expense	—	—	—	—	—	—	—	113,537 EUR	—	—	—	—	115,453 EUR	—	—	—	—	—	—	—	—	—
Classes of employee benefits expense [abstract]
Employee benefits expense	—	—	—	—	—	—	—	67,618 EUR	—	—	—	—	63,980 EUR	—	—	—	—	—	—	—	—	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Depreciation and amortisation expense	—	—	—	—	—	—	—	254,690 EUR	—	—	—	—	253,202 EUR	—	—	—	—	—	—	—	—	—
Impairment loss (reversal of impairment loss) recognised in profit or loss	—	—	—	—	—	—	—	61,000 EUR	—	—	—	—	3,472 EUR	—	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [abstract]
Disclosure of attribution of expenses by nature to their function [line items]
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	—	—	—	—	—	—	11,833 EUR	—	—	—	—	12,850 EUR	—	—	—	—	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	152,512 EUR	- EUR	- EUR	2,137 EUR	213,000 EUR	- EUR	- EUR	141,927 EUR	15,448 EUR	2,938 EUR	- EUR	- EUR	96,731 EUR	- EUR	149,236 EUR	7,454 EUR	16,948 EUR	- EUR	- EUR	5,655 EUR	- EUR	22,448 EUR
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	—	141,927 EUR	—	—	—	—	96,731 EUR	—	—	—	—	—	—	—	—	—
Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract]
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	—	- EUR	—	—	—	—	- EUR	—	—	—	—	—	—	—	—	—