| Line Item | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 | Dec 31, 2018 | Dec 31, 2017 |
|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | |||||||||
| Revenue | |||||||||
| Cost of sales | |||||||||
| Interest income | |||||||||
| Finance expense | |||||||||
| Share-based payment expenses | |||||||||
| (Loss)/gain on financial instruments | |||||||||
| Gain/(loss) on foreign exchange differences | |||||||||
| Share of results of equity-accounted investees after tax | |||||||||
| Other costs | |||||||||
| Other income | |||||||||
| (Loss)/gain on disposal of property, plant and equipment | |||||||||
| Impairments and reversal of impairments | |||||||||
| Gain on acquisition | |||||||||
| Occupational healthcare (loss)/gain | |||||||||
| Restructuring costs | |||||||||
| Transaction and project costs | |||||||||
| Profit/(loss) before royalties, carbon tax and tax | |||||||||
| Royalties | |||||||||
| Carbon tax | |||||||||
| Loss before tax | |||||||||
| Mining and income tax | |||||||||
| Loss for the year | |||||||||
| Attributable to: | |||||||||
| Owners of Sibanye-Stillwater | |||||||||
| Non-controlling interests (NCI) | |||||||||
| Earnings per share attributable to owners of Sibanye-Stillwater | |||||||||
| Basic earnings per share (in ZAR per share) | |||||||||
| Diluted earnings per share (in ZAR per share) |