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FINANCIAL RISK MANAGEMENT, Credit Risk, Trade and Other Receivables (Details) - ARS ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Trade and Other Receivables, Current and Noncurrent [Abstract]        
Current trade receivables $ 51,103,234 $ 53,162,940    
Allowances for doubtful accounts (301,770) [1] (412,681) [1] $ (803,874) $ (1,213,378)
Total 50,801,464 52,750,259    
Subsidies receivable from government 4,675,875 11,734,335    
Trade and other receivables [Abstract]        
Revenues 452,808,754 512,342,769 539,731,171  
Natural Gas Transportation [Member] | MetroGas [Member]        
Trade and other receivables [Abstract]        
Revenues 24,318,307 32,248,616 36,814,036  
Trade receivables 1,476,898 2,392,212    
Natural Gas Transportation [Member] | Camuzzi Gas Pampeana S.A. [Member]        
Trade and other receivables [Abstract]        
Revenues 18,070,335 23,880,326 27,120,380  
Trade receivables 1,086,152 1,767,771    
Natural Gas Transportation [Member] | Naturgy Argentina [Member]        
Trade and other receivables [Abstract]        
Revenues 14,712,603 19,575,169 21,958,655  
Trade receivables 945,579 1,505,818    
Natural Gas Transportation [Member] | CAMMESA [Member]        
Trade and other receivables [Abstract]        
Revenues 8,847,362 11,818,443 16,816,760  
Trade receivables 1,463,834 4,297,818    
Natural Gas Transportation [Member] | Pampa Energia [Member]        
Trade and other receivables [Abstract]        
Revenues 3,460,789 4,582,093 5,189,780  
Trade receivables 265,685 347,064    
Natural Gas Transportation [Member] | Camuzzi Gas del Sur S.A. [Member]        
Trade and other receivables [Abstract]        
Revenues 4,487,300 5,657,561 6,268,564  
Trade receivables 66,625 368,109    
Liquids Production and Commercialization [Member] | Pampa Energia [Member]        
Trade and other receivables [Abstract]        
Revenues 8,605,778 11,158,452 15,558,595  
Trade receivables 646,317 877,466    
Liquids Production and Commercialization [Member] | PBB Polisur [Member]        
Trade and other receivables [Abstract]        
Revenues 101,023,042 79,688,674 83,014,038  
Trade receivables 7,493,584 11,115,350    
Liquids Production and Commercialization [Member] | Geogas Trading S.A. [Member]        
Trade and other receivables [Abstract]        
Revenues 8,327,911 11,424,167 23,051,172  
Trade receivables 0 0    
Liquids Production and Commercialization [Member] | Italgas S.A. [Member]        
Trade and other receivables [Abstract]        
Revenues 0 0 918,740  
Trade receivables 0 0    
Liquids Production and Commercialization [Member] | YPF [Member]        
Trade and other receivables [Abstract]        
Revenues 4,863,755 8,092,448 11,522,821  
Trade receivables 89,175 501,014    
Liquids Production and Commercialization [Member] | Petrobras Global Trading BV [Member]        
Trade and other receivables [Abstract]        
Revenues 1,907,031 873,237 34,110,130  
Trade receivables 1,907,031 0    
Liquids Production and Commercialization [Member] | Trafigura Beheer [Member]        
Trade and other receivables [Abstract]        
Revenues 41,344,487 49,727,977 42,010,476  
Trade receivables 3,088,637 2,796,525    
Midstream [Member] | Pampa Energia [Member]        
Trade and other receivables [Abstract]        
Revenues 17,632,528 12,371,684 7,366,239  
Trade receivables 4,225,255 2,822,228    
Midstream [Member] | YPF [Member]        
Trade and other receivables [Abstract]        
Revenues 12,927,055 13,323,059 14,107,367  
Trade receivables 3,766,193 2,631,812    
Midstream [Member] | Tecpetrol [Member]        
Trade and other receivables [Abstract]        
Revenues 11,613,064 8,471,994 2,727,791  
Trade receivables 1,688,724 1,301,080    
Midstream [Member] | Exxomobil Exploration [Member]        
Trade and other receivables [Abstract]        
Revenues 5,320,819 5,086,118 5,775,892  
Trade receivables 887,297 755,238    
Midstream [Member] | Vista Oil [Member]        
Trade and other receivables [Abstract]        
Revenues 2,059,717 733,131 0  
Trade receivables 483,254 379,111    
Midstream [Member] | Pluspetrol [Member]        
Trade and other receivables [Abstract]        
Revenues 12,362,816 8,216,597 $ 7,326,827  
Trade receivables $ 2,774,674 $ 856,969    
[1] Said amount represents the best estimate made by tgs according to what is stated in Note 4.b).