Property, plant and equipment- Capital commitments (Details) - Property, plant and equipment - ZAR (R) R in Millions	Jun. 30, 2021	Jun. 30, 2020
Capital commitments (excluding equity accounted investments)
Authorised and contracted for	R 33,196	R 260,620
Authorised but not yet contracted for	33,297	21,136
Less expenditure to the end of year	(26,605)	(249,806)
Capital commitments	39,888	31,950
Capital commitments to sustain existing operations	25,591	26,305
Capital commitments to expand operations	14,297	5,645
Within one year
Capital commitments (excluding equity accounted investments)
Capital commitments	21,393	15,578
One to five years
Capital commitments (excluding equity accounted investments)
Capital commitments	R 18,495	R 16,372

The amount of capital commitments that have been authorised by the entity, but for which the entity has not entered into a contract. [Refer: Capital commitments]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The amount of future capital expenditures that the entity is committed to make.

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The amount of capital commitments for which the entity has entered into a contract. [Refer: Capital commitments]

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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