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GROUP STRUCTURE (Details 5) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
IfrsStatementLineItems [Line Items]      
Share capital $ 36 $ 36  
(Loss) Profit of the year $ 457 $ 238 $ (468)
Compania De Inversiones De Energia S A [Member]      
IfrsStatementLineItems [Line Items]      
Joint ventures [1] CIESA    
Main activity [1] Investment    
Date [1] Dec. 31, 2022    
Share capital [1] $ 4    
(Loss) Profit of the year [1] 93    
Equity [1] $ 770    
Compania Inversora En Transmision Electrica Citelec S A [Member]      
IfrsStatementLineItems [Line Items]      
Joint ventures [2] Citelec    
Main activity [2] Investment    
Date [2] Dec. 31, 2022    
Share capital [2] $ 3    
(Loss) Profit of the year [2] 5    
Equity [2] $ 235    
C T B [Member]      
IfrsStatementLineItems [Line Items]      
Joint ventures CTB    
Main activity Generation    
Date Dec. 31, 2022    
Share capital $ 48    
(Loss) Profit of the year 53    
Equity $ 536    
Oleoducto De Crudos Pesados [Member]      
IfrsStatementLineItems [Line Items]      
Joint ventures OCP    
Main activity Investment    
Date Dec. 31, 2022    
Share capital $ 100    
(Loss) Profit of the year (4)    
Equity $ 96    
Transportadora De Gas Del Sur S A [Member]      
IfrsStatementLineItems [Line Items]      
Joint ventures [1] TGS    
Main activity [1] Gas transportation    
Date [1] Dec. 31, 2022    
Share capital [1] $ 4    
(Loss) Profit of the year [1] 182    
Equity [1] $ 1,508    
[1] The Company holds a direct and indirect interest of 3.764% in TGS and 50% in CIESA, a company that holds a 51% interest in the share capital of TGS. Therefore, additionally the Company has an indirect participation of 25.50% in TGS.
[2] The Company holds a 50% interest in Citelec, a company that holds a 52.65% interest in Transener’s capital stock; therefore, the Company has a 26.33% indirect interest in Transener. As of December 31, 2022, Transener’s common share price listed at the Buenos Aires Stock Exchange was $ 184,50, conferring Pampa’s indirect interest an approximate $ 21,598 million market value.