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v3.25.1

COST OF SALES (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Notes and other explanatory information [abstract] |  |  |
Inventories at the beginning of the year | $ 205 | $ 173 | $ 155
Plus: Charges of the year |  |  |
Purchases of inventories, energy and gas | 450 | 411 | 502
Salaries and social security charges | 90 | 85 | 79
Employees benefits | 19 | 17 | 15
Defined benefit plans | 8 | 8 | 5
Works contracts, fees and compensation for services | 128 | 111 | 97
Property, plant and equipment depreciation | 328 | 254 | 202
Intangible assets amortization | 4 | 5 | 1
Right-of-use assets amortization | 2 | 1 | 3
Energy transportation | 12 | 9 | 8
Transportation and freights | 21 | 20 | 16
Consumption of materials | 28 | 27 | 30
Penalties | 1 | 2 | 1
Maintenance | 61 | 47 | 61
Canons and royalties | 97 | 92 | 89
Environmental control | 6 | 4 | 5
Rental and insurance | 27 | 31 | 31
Surveillance and security | 6 | 5 | 4
Taxes, rates and contributions | 6 | 7 | 5
Other | 3 | 3 | 3
Total charges of the year | 1,297 | 1,139 | 1,157
Less: Inventories at the end of the year | (223) | (205) | (173)
Total cost of sales | $ 1,279 | $ 1,107 | $ 1,139

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