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Operating expenses (Details 1) - ARS ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Statement [Line Items]      
Administrative and selling expenses $ 7,467,141 $ 8,087,079 $ 8,740,168
Operating Expenses 42,344,283 45,606,988 39,798,515
Others      
Statement [Line Items]      
Administrative and selling expenses 169,440 181,891 121,119
Operating Expenses 61,131 25,662 17,269
Compensation to employees      
Statement [Line Items]      
Administrative and selling expenses 3,189,395 3,128,649 3,204,827
Operating Expenses 8,474,303 8,441,740 8,499,035
Other Long-term Employee Benefits      
Statement [Line Items]      
Administrative and selling expenses 61,077 85,584 66,126
Operating Expenses 344,514 400,917 306,943
Depreciation of Property, Plant and Equipment      
Statement [Line Items]      
Administrative and selling expenses 0 0 0
Operating Expenses 15,490,504 14,877,607 10,645,650
Amortization of Intangible Assets      
Statement [Line Items]      
Administrative and selling expenses 0 0 0
Operating Expenses 3,960,776 5,987,461 6,863,399
Purchase of Energy and Power      
Statement [Line Items]      
Administrative and selling expenses 0 0 0
Operating Expenses 304,640 375,906 421,733
Fees and Compensation for Services      
Statement [Line Items]      
Administrative and selling expenses 2,321,151 2,946,448 2,339,528
Operating Expenses 3,046,284 2,729,366 2,761,308
Maintenance Expenses      
Statement [Line Items]      
Administrative and selling expenses 25,578 179,845 554,935
Operating Expenses 5,528,519 7,081,977 5,182,149
Consumption of Materials and Spare Parts      
Statement [Line Items]      
Administrative and selling expenses 0 0 0
Operating Expenses 2,441,676 2,244,091 1,505,874
Insurance      
Statement [Line Items]      
Administrative and selling expenses 83,819 69,422 92,868
Operating Expenses 1,806,607 2,501,059 2,105,923
Levies and Royalties      
Statement [Line Items]      
Administrative and selling expenses 0 0 0
Operating Expenses 739,759 749,751 1,318,415
Taxes and Assessments      
Statement [Line Items]      
Administrative and selling expenses 521,346 664,387 1,039,909
Operating Expenses 126,970 173,569 151,569
Tax on Bank Account Transactions      
Statement [Line Items]      
Administrative and selling expenses 1,095,335 830,853 1,320,856
Operating Expenses $ 18,600 $ 17,882 $ 19,248