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Closure and Rehabilitation Provisions - Summary of Detailed Information About Profile of Closure and Rehabilitation Cash Flows (Detail) | Jun. 30, 2024 | Jun. 30, 2023
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Disclosure of Detailed Information About Profile of Closure and Rehabilitation Cash Flows [Line Items] |  |
Proportion of the entity undiscounted forecast cashflows | 100.00% | 100.00%
In one year or less [member] |  |
Disclosure of Detailed Information About Profile of Closure and Rehabilitation Cash Flows [Line Items] |  |
Proportion of the entity undiscounted forecast cashflows | 3.00% | 3.00%
In more than one year but not more than two years [member] |  |
Disclosure of Detailed Information About Profile of Closure and Rehabilitation Cash Flows [Line Items] |  |
Proportion of the entity undiscounted forecast cashflows | 3.00% | 4.00%
In more than two years but not more than five years [member] |  |
Disclosure of Detailed Information About Profile of Closure and Rehabilitation Cash Flows [Line Items] |  |
Proportion of the entity undiscounted forecast cashflows | 8.00% | 8.00%
In more than five years but not more than ten years [member] |  |
Disclosure of Detailed Information About Profile of Closure and Rehabilitation Cash Flows [Line Items] |  |
Proportion of the entity undiscounted forecast cashflows | 15.00% | 14.00%
In more than ten years [member] |  |
Disclosure of Detailed Information About Profile of Closure and Rehabilitation Cash Flows [Line Items] |  |
Proportion of the entity undiscounted forecast cashflows | 71.00% | 71.00%

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- Definition Disclosure of detailed information about profile of closure and rehabilitation cash flows. + References No definition available. + Details
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