Goodwill and other intangibles - Narrative (Details) R in Millions, $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2025
ZAR (R)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
ZAR (R)
|
Dec. 31, 2023
ZAR (R)
|
|
| Disclosure of reconciliation of changes in goodwill [line items] | ||||
| Other deductible temporary differences | R 99,496 | R 87,331 | R 68,868 | |
| Reldan Group | ||||
| Disclosure of reconciliation of changes in goodwill [line items] | ||||
| Other deductible temporary differences | R 1,188 | $ 63 | ||
| Vendor relationships | Minimum | ||||
| Disclosure of reconciliation of changes in goodwill [line items] | ||||
| Useful life, intangible assets | 5 years | |||
| Vendor relationships | Maximum | ||||
| Disclosure of reconciliation of changes in goodwill [line items] | ||||
| Useful life, intangible assets | 10 years | |||
| Brand | ||||
| Disclosure of reconciliation of changes in goodwill [line items] | ||||
| Useful life, intangible assets | 5 years | |||
| Software | ||||
| Disclosure of reconciliation of changes in goodwill [line items] | ||||
| Useful life, intangible assets | 3 years |