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Share Capital - Treasury shares (Details) - shares	Jun. 30, 2019	Feb. 20, 2019	Jan. 15, 2019	Jun. 30, 2018
Lydenburg Exploration Limited | Ordinary shares | Subsidiaries
Disclosure of classes of share capital [line items]
Number of shares in entity held by entity or by its subsidiaries or associates (in shares)	335			335
Kalgold Share Trust | Ordinary shares | Share trust controlled by entity
Disclosure of classes of share capital [line items]
Number of shares in entity held by entity or by its subsidiaries or associates (in shares)	47,046			47,046
Harmony ESOP Trust | Share trust controlled by entity
Disclosure of classes of share capital [line items]
Number of shares in entity held by entity or by its subsidiaries or associates (in shares)			6,700,000
Harmony ESOP Trust | Ordinary shares | Share trust controlled by entity
Disclosure of classes of share capital [line items]
Number of shares in entity held by entity or by its subsidiaries or associates (in shares)	6,592,900			0
Harmony Gold Community Trust | Convertible preference shares | Share trust controlled by entity
Disclosure of classes of share capital [line items]
Number of shares in entity held by entity or by its subsidiaries or associates (in shares)	4,400,000	4,400,000		0

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- Definition

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.

+ References

No definition available.

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- Definition

The number of shares in the entity held by the entity or by its subsidiaries or associates. [Refer: Associates [member]; Subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 79
-Subparagraph a
-Clause vi
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