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Basis of Preparation of the Consolidated Financial Statements (Tables)

12 Months Ended

Dec. 31, 2021

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