Stated share capital - Authorised and issued (Details) - shares shares in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of classes of share capital [abstract] | |||
| Authorised number of shares (in shares) | 10,000,000 | 10,000,000 | 10,000,000 |
| Reconciliation of issued number of shares | |||
| Number of shares in issue at beginning of the year (in shares) | 2,830,567 | 2,830,567 | 2,830,370 |
| Shares issued under Sibanye-Stillwater/SGL share plan (in shares) | 0 | 0 | 197 |
| Number of shares in issue at end of the year (in shares) | 2,830,567 | 2,830,567 | 2,830,567 |