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v3.21.1

Basis of Preparation of the Consolidated Financial Statements (Tables) | 12 Months Ended
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Dec. 31, 2020
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Detailed Information About Property, Plant and Equipment | Property, plant and equipment, other than those related to oil and gas production activities, are depreciated using the straight-line method, over the years of estimated useful life of the assets, as follows:
|  | Years of Estimated Useful Life
Buildings and other constructions |  | 50
Refinery equipment and petrochemical plants |  | 20-25
Infrastructure for natural gas distribution |  | 20-50
Transportation equipment |  | 5-25
Furniture, fixtures and installations |  | 10
Selling equipment |  | 10
Other property |  | 10

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