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Other Reserves - Disclosure of Other Reserves (Details) - ZAR (R) R in Millions	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Disclosure of reserves within equity [abstract]
Foreign exchange translation reserve	R 2,389	R 2,439
Hedge reserve	(214)	413	R 1,143
Share-based payments	2,764	2,534	2,160
Post-retirement benefit actuarial gain/(loss)	(19)	(12)	R (25)
Acquisition of non-controlling interest in subsidiary	(381)	(381)
Equity component of convertible bond	277	277
Repurchase of equity interest	(98)	(98)
Equity instruments designated at fair value through other comprehensive income	79	0
Fair value movement of available-for-sale financial assets	0	(3)
Other	(24)	(24)
Total other reserves	R 4,773	R 5,145

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A component of equity that may result in relation to a business combination outside the scope of IFRS 3.

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A component of equity representing reserves within equity, not including retained earnings. [Refer: Retained earnings]

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A component of equity representing the accumulated portion of gain (loss) on a hedging instrument that is determined to be an effective hedge for cash flow hedges. [Refer: Cash flow hedges [member]]

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A component of equity representing exchange differences on translation of financial statements of foreign operations recognised in other comprehensive income and accumulated in equity. [Refer: Other comprehensive income]

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A component of equity representing accumulated gains and losses on remeasuring available-for-sale financial assets. [Refer: Financial assets available-for-sale]

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A component of equity representing the accumulated remeasurements of defined benefit plans. [Refer: Defined benefit plans [member]]

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