The amount of expense arising from insurance contracts. [Refer: Types of insurance contracts [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2021-01-01
-Name IFRS
-Number 4
-IssueDate 2020-01-01
-Paragraph 37
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2020-en-b&anchor=para_37_b&doctype=Standard&book=b
-URIDate 2020-01-01

Name:	ifrs-full_ExpenseArisingFromInsuranceContracts
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Trade and other receivables, net - Additional information (Details) - USD ($)	Sep. 05, 2019	Dec. 31, 2020	Dec. 31, 2019
Disclosure of Trade and other receivables, net [Line Items]
Expense arising from insurance contracts	$ 21,023,000
Sociedad Minera Cerro Verde S.A.A. [Member]
Disclosure of Trade and other receivables, net [Line Items]
Current payables for purchase of non-current assets		$ 12,400,000	$ 30,300,000