Non-Controlling Interests - Narrative (Details) - Quebrada Blanca SA		12 Months Ended
Mar. 29, 2019	Dec. 31, 2019
SSM/SC
Disclosure of subsidiaries [line items]
Percent of effective ownership acquired	30.00%
Codelco
Disclosure of subsidiaries [line items]
Percentage of ownership interests held by non-controlling interests		10.00%

The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Total for all subsidiaries [member]; Non-controlling interests]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2024-01-01
-Paragraph 12
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_12_c&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	duration