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- Definition

Proportion Of Ownership Interest Held By Shareholder

+ References

No definition available.

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Period2

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No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized

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No definition available.

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- Definition

Spot Price on Grant Date

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No definition available.

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- Definition

The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]]

+ References

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- Definition

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

+ References

No definition available.

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- Definition

The percentage of an expected dividend used to calculate the fair value of share options granted.

+ References

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The number of instruments granted in share-based payment arrangement.

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- Definition

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

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Share-Based Payments - Total Costs Related to Employee Share-Based Payments (Details)								3 Months Ended	12 Months Ended
	Sep. 18, 2025 ZAR (R) R / shares	Sep. 18, 2024 R / shares	Sep. 18, 2023 R / shares	Sep. 19, 2022 R / shares	Sep. 20, 2021 R / shares	Sep. 18, 2020 R / shares	Sep. 18, 2019 R / shares	Jun. 30, 2024 R / shares	Jun. 30, 2026 ZAR (R) shares	Jun. 30, 2025 ZAR (R) R / shares	Jun. 30, 2024 ZAR (R)	Apr. 04, 2024 shares
Disclosure of terms and conditions of share-based payment arrangement [line items]
Expense from share-based payment transactions with employees									R 754,000,000	R 712,000,000	R 244,000,000
Harmony ESOP Trust
Disclosure of terms and conditions of share-based payment arrangement [line items]
Ownership interest (as a percent)											2.00%
Ordinary shares \| Harmony ESOP Trust \| Share trust controlled by entity
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares in entity held by entity or by its subsidiaries or associates (in shares) \| shares												12,651,525
Katleho ya Moruo Employee Share Ownership Plan
Disclosure of terms and conditions of share-based payment arrangement [line items]
Expense from share-based payment transactions with employees									443,000,000	R 456,000,000	R 112,000,000
Spot share price (in SA rand per share) \| R / shares								R 175.65		R 176.36
Management DSP
Disclosure of terms and conditions of share-based payment arrangement [line items]
Expense from share-based payment transactions with employees									R 311,000,000	R 256,000,000	R 132,000,000
Spot share price (in SA rand per share) \| R / shares						R 74.90
Management DSP \| Ordinary shares
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares authorised \| shares									25,000,000
Number of instruments granted in share-based payment arrangement \| shares									8,426,710
Management DSP \| Floor
Disclosure of terms and conditions of share-based payment arrangement [line items]
Spot share price (in SA rand per share) \| R / shares	R 299.25	R 162.42	R 84.88	R 42.48	R 45.58		R 46.68
Management DSP \| Floor \| September 18, 2025
Disclosure of terms and conditions of share-based payment arrangement [line items]
Expected volatility, share options granted	49.25%
Expected dividend, share options granted	0.13%
Spot Price on Grant Date	R 312.82
Risk free interest rate, share options granted	6.52%
Management DSP \| Cap
Disclosure of terms and conditions of share-based payment arrangement [line items]
Spot share price (in SA rand per share) \| R / shares	R 360.06	R 203.88	R 105.85	R 47.25	R 57.93		R 55.55
Management DSP \| Cap \| September 18, 2025
Disclosure of terms and conditions of share-based payment arrangement [line items]
Expected volatility, share options granted	52.05%
Expected dividend, share options granted	0.89%
Spot Price on Grant Date	R 361.42
Risk free interest rate, share options granted	6.95%
Management DSP \| Over five years [Member] \| September 18, 2025
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period (in years)	5 years
Management DSP \| Over three years [Member] \| September 18, 2025
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period (in years)	3 years