Share-based payments - Cash settled, Marikana (Details) - Fair value gain/(loss) on cash-settled share-based payment obligations (Rustenburg and Marikana B-BBEE transactions) - Marikana - R / oz	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based payments
Long-term PGM (4E) basket price	26,380	28,656	26,397
Minimum
Share-based payments
Life-of-mine	17 years	17 years	19 years
Maximum
Share-based payments
Life-of-mine	45 years	47 years	49 years
South Africa
Share-based payments
Real discount rate — South Africa	15.70%
Inflation rate — South Africa	5.00%	6.00%	6.50%
South Africa \| Minimum
Share-based payments
Real discount rate — South Africa		15.70%	15.00%
South Africa \| Maximum
Share-based payments
Real discount rate — South Africa		15.80%	15.20%

The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [domain]]

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

The expected rate of inflation that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [domain]; Defined benefit obligation, at present value; Actuarial assumptions [domain]]

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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.

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Expected Lifetime Of Mines

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- Definition

Long-Term Platinum Group Metals (4E) Basket Price

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