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GROUP STRUCTURE (Details 1) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
IfrsStatementLineItems [Line Items] |  |  |
Share capital | $ 36 | $ 36 |
Profit (loss) of the year | $ 619 | $ 305 | $ 457
CIESA [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Joint ventures | CIESA |  |
Main activity | Investment |  |
Date | Dec. 31, 2024 |  |
Share capital | $ 1 |  |
Profit (loss) of the year | 183 |  |
Equity | $ 1,104 |  |
Direct and indirect participation | 50.00% |  |
Citelec [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Joint ventures | Citelec |  |
Main activity | Investment |  |
Date | Dec. 31, 2024 |  |
Share capital | $ 1 |  |
Profit (loss) of the year | 36 |  |
Equity | $ 316 |  |
Direct and indirect participation | 50.00% |  |
CTB [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Joint ventures | CTB |  |
Main activity | Generation |  |
Date | Dec. 31, 2024 |  |
Share capital | $ 8 |  |
Profit (loss) of the year | (38) |  |
Equity | $ 459 |  |
Direct and indirect participation | 50.00% |  |

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