Contingent consideration receivables.

No definition available.

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- Definition

Net fair value of financial assets and (liabilities).

+ References

No definition available.

+ Details

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- Definition

Percentage borrowings with floating rates.

+ References

No definition available.

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- Definition

Risk exposure associated with instruments sharing characteristic, amount of change in risk.

+ References

No definition available.

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- Definition

Risk exposure associated with instruments sharing characteristic, percentage change in risk.

+ References

No definition available.

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- Definition

Tonnes of exposure for provisionally priced.

+ References

No definition available.

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- Definition

Transfer between fair value hierarchy categories.

+ References

No definition available.

+ Details

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- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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-IssueDate 2024-01-01
-Paragraph 55
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-URIDate 2024-03-27

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- Definition

The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_7&doctype=Standard
-URIDate 2024-03-27

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- Definition

The basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

+ References

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

The amount of risk exposure associated with financial instruments with a shared characteristic that identifies a concentration of risks. [Refer: Classes of financial instruments [domain]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_B8_c&doctype=Appendix&subtype=B
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Financial Risk Management - Additional Information (Detail) t in Thousands, $ in Millions	12 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($) t	Jun. 30, 2025 AUD ($) t	Jun. 30, 2025 CAD ($) t	Jun. 30, 2025 GBP (£) t	Jun. 30, 2025 EUR (€) t	Jun. 30, 2025 BRL (R$) t	Jun. 30, 2025 USD ($) t	Jun. 30, 2025 CLP ($) t
Disclosure of detailed information about financial instruments [line items]
Borrowings		$ 17,602						$ 21,543
Transfer between fair value hierarchy categories	$ 0
Percentage of borrowings exposed to floating interest rate	98.00%	97.00%
Weighted average interest rate payable	USD SOFR +1.30 per cent	USD SOFR +1.40 per cent
Debt instrument variable interest rate spread		1.40%	1.30%	1.30%	1.30%	1.30%	1.30%	1.30%	1.30%
Blackwater And Daunia Gain On Divestment [Member]
Disclosure of detailed information about financial instruments [line items]
Contingent consideration receivables		$ 195						$ 122
Interest rate risk [member]
Disclosure of detailed information about financial instruments [line items]
Reasonable possible change in risk, percentage			1.00%	1.00%	1.00%	1.00%	1.00%	1.00%	1.00%
Effect on equity and profit after taxation, due to reasonable possible change in risk		47						$ 72
Currency risk [member]
Disclosure of detailed information about financial instruments [line items]
Reasonable possible change in risk, amount			$ 0.01	$ 0.01	£ 0.01	€ 0.01	R$ 0.01		$ 10
Effect on equity and profit after taxation, due to reasonable possible change in risk		17						$ 29
Commodity price risk [member]
Disclosure of detailed information about financial instruments [line items]
Reasonable possible change in risk, percentage			10.00%	10.00%	10.00%	10.00%	10.00%	10.00%	10.00%
Commodity price risk [member] \| Steelmaking Coal [Member]
Disclosure of detailed information about financial instruments [line items]
Reasonable possible change in risk, percentage			10.00%	10.00%	10.00%	10.00%	10.00%	10.00%	10.00%
Effect on equity and profit after taxation, due to reasonable possible change in risk								$ 60
Commodity price risk [member] \| Forward commodity and other derivative contracts [member]
Disclosure of detailed information about financial instruments [line items]
Net fair value of financial assets and (liabilities)		$ 42						$ 1
Commodity price risk [member] \| Provisionally priced contract [member]
Disclosure of detailed information about financial instruments [line items]
Reasonable possible change in risk, percentage			10.00%	10.00%	10.00%	10.00%	10.00%	10.00%	10.00%
Tonnes of copper exposure \| t		428	419	419	419	419	419	419	419
Effect on equity and profit after taxation, due to reasonable possible change in risk		$ 299						$ 268
Fixed interest rate not swapped to floating rate [member]
Disclosure of detailed information about financial instruments [line items]
Borrowings		532						525
Fixed interest rate not swapped to floating rate [member] \| At fair value [member]
Disclosure of detailed information about financial instruments [line items]
Borrowings		$ 538						$ 541