XML 169 R159.htm IDEA: XBRL DOCUMENT
v3.19.3

Other Non-Current Liabilities (Details) - ZAR (R) R in Millions | Jun. 30, 2019 | Jun. 30, 2018 | Mar. 01, 2018
--- | --- | --- | ---
Disclosure of other provisions, contingent liabilities and contingent assets [Abstract] |  |  |
KOSH deep groundwater pollution liability | R 0 | R 37 |
Sibanye Beatrix ground swap royalty | 2 | 1 |
Other | 3 | 3 |
Total non-current liabilities | R 5 | R 41 |
Contingent liability assumed in business combination |  |  | R 37

X
- Definition Disclosure of other provisions, contingent liabilities and contingent assets [Abstract] + References No definition available. + Details
Name: | hmy_DisclosureofotherprovisionscontingentliabilitiesandcontingentassetsAbstract
Namespace Prefix: | hmy_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ground Swap Royalty Liability + References No definition available. + Details
Name: | hmy_GroundSwapRoyaltyLiability
Namespace Prefix: | hmy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Groundwater Pollution Liability + References No definition available. + Details
Name: | hmy_GroundwaterPollutionLiability
Namespace Prefix: | hmy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Non-Current Liabilities, Miscellaneous + References No definition available. + Details
Name: | hmy_NonCurrentLiabilitiesMiscellaneous
Namespace Prefix: | hmy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of contingent liabilities recognised in a business combination. [Refer: Contingent liabilities [member]; Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2018-01-01 -Paragraph B67 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2018-03-01&anchor=para_B67_c&doctype=Appendix&seq=2 -URIDate 2018-03-16 + Details
Name: | ifrs-full_ContingentLiabilitiesRecognisedInBusinessCombination
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of non-current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Non-current liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_OtherNoncurrentLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant