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DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS - Segment financial information as per geographical area (Details) - ARS ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Geographic information |  |  |
Sales revenues | $ 729,182 | $ 828,831 | $ 886,765
Unpaid portion | 469,189 | 519,943 | 588,636
Services rendered in Argentina |  |  |
Geographic information |  |  |
CAPEX | 114,572 | 153,094 | 147,262
Property Plant and Equipment, Intangible assets, Goodwill and Rights of use assets | 1,547,448 | 1,897,661 | 1,964,513
Unpaid portion | 457,123 | 505,299 | 571,839
Other abroad segments |  |  |
Geographic information |  |  |
CAPEX | 11,697 | 13,552 | 16,606
Property Plant and Equipment, Intangible assets, Goodwill and Rights of use assets | 57,842 | 65,466 | 77,687
Unpaid portion | 12,066 | 14,644 | 16,797
Argentina [Member] |  |  |
Geographic information |  |  |
Sales revenues | 680,369 | 769,006 | 825,105
Foreign Countries [Member] |  |  |
Geographic information |  |  |
Sales revenues | $ 48,813 | $ 59,825 | $ 61,660

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