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DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS - Segment financial information of Consolidated Income Statement (Details) - ARS ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment financial information |  |  |
Revenues | $ 425,493.0 | $ 455,234.0 | $ 487,067.0
Operating costs without depreciation, amortization and impairment of fixed assets | (292,726.0) | (299,933.0) | (328,666.0)
Adjusted EBITDA | 132,767.0 | 155,301.0 | 158,401.0
Depreciation, amortization and impairment of fixed assets | (135,554.0) | (124,669.0) | (125,944.0)
Operating (loss) income | (2,787.0) | 30,632.0 | 32,457.0
Earnings (losses) from associates | 395.0 | 749.0 | (385.0)
Debt financial expenses | (28,700.0) | (37,280.0) | (34,229.0)
Other financial results, net | 16,949.0 | 10,649.0 | 23,284.0
Income before income tax expense | 43,257.0 | 4,750.0 | 21,127.0
Income tax expense | (33,317.0) | (12,454.0) | (29,116.0)
Net income (loss) for the year | 9,940.0 | (7,704.0) | (7,989.0)
Attributable to: |  |  |
Controlling Company | 8,665.0 | (8,626.0) | (9,034.0)
Non-controlling interest | 1,275.0 | 922.0 | 1,045.0
Eliminations |  |  |
Segment financial information |  |  |
Revenues | (2,008.0) | (2,127.0) | (2,515.0)
Operating costs without depreciation, amortization and impairment of fixed assets | 2,008.0 | 2,127.0 | 2,515.0
Services rendered in Argentina | Restated for inflation |  |  |
Segment financial information |  |  |
Revenues | 396,219.0 | 425,367.0 | 456,727.0
Operating costs without depreciation, amortization and impairment of fixed assets | (276,106.0) | (281,929.0) | (308,393.0)
Adjusted EBITDA | 120,113.0 | 143,438.0 | 148,334.0
Services rendered in Argentina | Amounts not adjusted for inflation |  |  |
Segment financial information |  |  |
Revenues | 332,816.0 | 240,325.0 | 182,233.0
Operating costs without depreciation, amortization and impairment of fixed assets | (229,554.0) | (158,901.0) | (121,682.0)
Adjusted EBITDA | 103,262.0 | 81,424.0 | 60,551.0
Services rendered in Argentina | Inflation restatement |  |  |
Segment financial information |  |  |
Revenues | 63,403.0 | 185,042.0 | 274,494.0
Operating costs without depreciation, amortization and impairment of fixed assets | (46,552.0) | (123,028.0) | (186,711.0)
Adjusted EBITDA | 16,851.0 | 62,014.0 | 87,783.0
Other abroad segments | Restated for inflation |  |  |
Segment financial information |  |  |
Revenues | 31,282.0 | 31,994.0 | 32,855.0
Operating costs without depreciation, amortization and impairment of fixed assets | (18,628.0) | (20,131.0) | (22,788.0)
Adjusted EBITDA | 12,654.0 | 11,863.0 | 10,067.0
Other abroad segments | Amounts not adjusted for inflation |  |  |
Segment financial information |  |  |
Revenues | 26,215.0 | 18,183.0 | 12,931.0
Operating costs without depreciation, amortization and impairment of fixed assets | (15,514.0) | (11,419.0) | (8,946.0)
Adjusted EBITDA | 10,701.0 | 6,764.0 | 3,985.0
Other abroad segments | Inflation restatement |  |  |
Segment financial information |  |  |
Revenues | 5,067.0 | 13,811.0 | 19,924.0
Operating costs without depreciation, amortization and impairment of fixed assets | (3,114.0) | (8,712.0) | (13,842.0)
Adjusted EBITDA | $ 1,953.0 | $ 5,099.0 | $ 6,082.0

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