Raw Materials and Consumables Used (Tables)

12 Months Ended

Dec. 31, 2017

Analysis Of Income And Expense [Abstract]

Schedule of Raw Materials and Consumables Used

The detail of raw materials and consumables used for the years ended December 31, 2017, 2016 and 2015, is as follows:

	For the years ended December 31,
	2017			2016			2015
Raw materials and consumables used	ThCh$			ThCh$			ThCh$
Energy purchases		(902,434,871	)		(891,746,884	)		(860,203,181	)
Fuel consumption		(280,739,362	)		(295,148,838	)		(327,502,996	)
Transportation costs		(155,879,249	)		(195,123,118	)		(182,453,155	)
Other raw materials and consumables		(182,102,035	)		(115,400,740	)		(111,826,227	)
Total		(1,521,155,517	)		(1,497,419,580	)		(1,481,985,559	)