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Commitments and contingencies (Details) $ in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2023 AUD ($)	Dec. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)	Jan. 01, 2022 USD ($)
Commitments and contingencies
Number of demands	3
Increase in performance guarantees	$ 36,803
Registration Rights
Commitments and contingencies
Offering price	50,000
Rehabilitation obligations
Commitments and contingencies
Total value of guarantees	37,415	$ 37,415		$ 0
Increase in performance guarantees	$ 44,031
Number of days to replace guarantees	90 days
Capital expenditure commitments	$ 1,895		$ 0		$ 0

X

- Definition

The amount of future capital expenditures that the entity is committed to make.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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- Definition

The increase in existing contingent liabilities recognised in a business combination. [Refer: Contingent liabilities recognised in business combination; Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Number of days required to replace guarantees under the contractual arrangements, post completion of business acquisition.

+ References

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- Definition

Amount of total performance guarantee under the various contractual arrangements by CMPL and Glencore Operations, required to fulfill any rehabilitation costs associated with mining activities.

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Amount of minimum offering price under rights agreement to holder of founder shares prior to consummation of initial public offering.

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Number of demands that the holders of founder shares entitled to receive the offering price in any 12 month period.

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