XML 152 R121.htm IDEA: XBRL DOCUMENT v3.19.3

Property, Plant and Equipment - Other non-mining assets (Narrative) (Details)	12 Months Ended
	Jun. 30, 2019
Vehicles
Disclosure of detailed information about property, plant and equipment [line items]
Depreciation rate	20.00%
Computer equipment
Disclosure of detailed information about property, plant and equipment [line items]
Depreciation rate	33.30%
Furniture and equipment
Disclosure of detailed information about property, plant and equipment [line items]
Depreciation rate	16.67%

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- Definition

Depreciation Rates, Property, Plant And Equipment

+ References

No definition available.

+ Details

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Namespace Prefix:	hmy_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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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.

+ Details

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Namespace Prefix:	ifrs-full_
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Balance Type:	na
Period Type:	duration

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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_ComputerEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: