XML 516 R114.htm IDEA: XBRL DOCUMENT
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OTHER INVESTMENTS - Sensitivity analysis (Details) | Jun. 30, 2023
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Rand Refinery Proprietary Limited ("Rand Refinery") |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |
Rand US Dollar exchange rate, increase | 1.00%
Rand US Dollar exchange rate, decrease | (1.00%)
Rand US Dollar exchange rate in OCI net of tax, increase | 2.40%
Rand US Dollar exchange rate in OCI net of tax, decrease | 2.40%
Commodity prices (gold and silver), increase | 1.00%
Commodity prices (gold and silver), decrease | (1.00%)
Commodity prices (gold and silver) increase, OCI net of tax | 1.60%
Commodity prices (gold and silver) decrease, OCI net of tax | 1.60%
Operating costs | Rand Refinery Proprietary Limited ("Rand Refinery") |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |
Increase in unobservable input | 1.00%
Decrease in unobservable input | (1.00%)
% Change OCI, net of tax, increase | (3.40%)
% Change OCI, net of tax, decrease | 3.40%
Weighted average cost of capital | Rand Refinery Proprietary Limited ("Rand Refinery") |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |
Increase in unobservable input | 1.00%
Decrease in unobservable input | (1.00%)
% Change OCI, net of tax, increase | (2.20%)
% Change OCI, net of tax, decrease | 2.20%
Minority discount | Rand Refinery Proprietary Limited ("Rand Refinery") |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |
Increase in unobservable input | 1.00%
Decrease in unobservable input | (1.00%)
% Change OCI, net of tax, increase | (1.20%)
% Change OCI, net of tax, decrease | 1.20%
Marketability discount | Rand Refinery Proprietary Limited ("Rand Refinery") |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |
Increase in unobservable input | 1.00%
Decrease in unobservable input | (1.00%)
% Change OCI, net of tax, increase | (1.20%)
% Change OCI, net of tax, decrease | 1.20%
Cost of equity | Investment in Prestige Bullion |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |
Increase in unobservable input | 1.00%
Decrease in unobservable input | (1.00%)
% Change OCI, net of tax, increase | (0.60%)
% Change OCI, net of tax, decrease | 0.60%
Prestige Bullion dividend forecast | Investment in Prestige Bullion |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |
Increase in unobservable input | 1.00%
Decrease in unobservable input | (1.00%)
% Change OCI, net of tax, increase | 0.20%
% Change OCI, net of tax, decrease | (0.20%)

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