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GROUP STRUCTURE (Details 8) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
IfrsStatementLineItems [Line Items]      
Share of profit (loss) of associates $ 8 $ (6) $ 6
Share of profit (loss) of joint ventures (10) 111 94
Total investments in associates and joint ventures (2) 105 100
C I E S A [Member]      
IfrsStatementLineItems [Line Items]      
Share of profit (loss) of joint ventures 6 43 50
C T B [Member]      
IfrsStatementLineItems [Line Items]      
Share of profit (loss) of joint ventures (18) 41 49
Citelec [Member]      
IfrsStatementLineItems [Line Items]      
Share of profit (loss) of joint ventures 2 3 (3)
Greenwind [Member]      
IfrsStatementLineItems [Line Items]      
Share of profit (loss) of joint ventures 24 (2)
Refinor [Member]      
IfrsStatementLineItems [Line Items]      
Share of profit (loss) of associates (12) (2)
O C P [Member]      
IfrsStatementLineItems [Line Items]      
Share of profit (loss) of associates 5 (1) 1
T G S 1 [Member]      
IfrsStatementLineItems [Line Items]      
Share of profit (loss) of associates $ 3 $ 7 $ 7