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Borrowing costs (Tables)

12 Months Ended

Dec. 31, 2019

Borrowing costs [abstract]

Disclosure of rates and costs for capitalized interest of property, plant and equipment [Text Block]

The rates and costs for capitalized interest of property, plant and equipment are detailed as follows:

Costs of capitalized interest		As of December ‎31, 2019				As of December ‎31, 2018
		ThUS$				ThUS$
Capitalization rate of costs for capitalized interest			4	%			4	%
Amount of interest capitalized in ThUS$			7,841				5,021

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