Business Combinations - Total acquisition consideration (Details)	1 Months Ended
Feb. 28, 2018	Feb. 01, 2018
Kintuk
Acquisition-date fair value of total consideration transferred [abstract]
Percentage of equity interests acquired		100.00%
Glencore \| Major business combination
Acquisition-date fair value of total consideration transferred [abstract]
Period for marketing and procurement of manganese ores	10 years

The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2019-01-01
-Paragraph B64
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2019-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B
-URIDate 2019-03-27

Name:	ifrs-full_PercentageOfVotingEquityInterestsAcquired
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant