XML 502 R99.htm IDEA: XBRL DOCUMENT v3.24.1
Accounting Policies - Summary of Significant Assumptions Used in the Group's Impairment Assessments (FVLCOD calculations) (Detail)
12 Months Ended
Dec. 31, 2023
$ / oz
ExchangeRates
Dec. 31, 2022
ExchangeRates
$ / oz
Dec. 31, 2021
ExchangeRates
$ / oz
Dec. 31, 2023
R / kg
Dec. 31, 2023
$ / oz
Dec. 31, 2023
$ / t
Dec. 31, 2022
R / kg
Dec. 31, 2022
$ / oz
Dec. 31, 2022
$ / t
Dec. 31, 2021
R / kg
Dec. 31, 2021
$ / oz
Dec. 31, 2021
$ / t
Disclosure of changes in accounting estimates [line items]                        
Nominal discount rate 19.90% 16.70%                    
Real discount rates 19.90% 19.30%                    
Life-of-mine 7 years 6 years                    
South Africa                        
Disclosure of changes in accounting estimates [line items]                        
Nominal discount rate 16.80% 16.30% 14.30%                  
Inflation rate 4.50% 5.40% 5.40%                  
Ghana                        
Disclosure of changes in accounting estimates [line items]                        
Resource value per ounce | $ / oz 79 71 187                  
Real discount rates 13.50% 15.90% 8.30%                  
Peru                        
Disclosure of changes in accounting estimates [line items]                        
Resource value per ounce | $ / oz   30 10                  
Real discount rates 7.70% 8.10% 4.80%                  
Australia                        
Disclosure of changes in accounting estimates [line items]                        
Real discount rates 6.20% 6.30% 3.80%                  
Chile                        
Disclosure of changes in accounting estimates [line items]                        
Resource value per ounce | $ / oz 40 29 70                  
Real discount rates 8.90% 9.10% 5.90%                  
South Deep                        
Disclosure of changes in accounting estimates [line items]                        
Life-of-mine 73 years 74 years 80 years                  
Tarkwa                        
Disclosure of changes in accounting estimates [line items]                        
Life-of-mine 12 years 13 years 14 years                  
Damang                        
Disclosure of changes in accounting estimates [line items]                        
Life-of-mine 2 years 3 years 4 years                  
Cerro Corona                        
Disclosure of changes in accounting estimates [line items]                        
Life-of-mine 7 years 8 years 9 years                  
St Ives                        
Disclosure of changes in accounting estimates [line items]                        
Life-of-mine 8 years 8 years 9 years                  
Agnew                        
Disclosure of changes in accounting estimates [line items]                        
Life-of-mine 5 years 5 years 6 years                  
Granny Smith                        
Disclosure of changes in accounting estimates [line items]                        
Life-of-mine 11 years 10 years 11 years                  
Gruyere                        
Disclosure of changes in accounting estimates [line items]                        
Life-of-mine 9 years 11 years 12 years                  
Salares Norte                        
Disclosure of changes in accounting estimates [line items]                        
Life-of-mine 10 years 10 years 11 years                  
Year 1                        
Disclosure of changes in accounting estimates [line items]                        
Gold price per ounce/kg 1,910 1,740 1,750 1,110,000 2,830   925,000 2,500   875,000 2,400  
Copper price per tonne | $ / t           8,500     7,700     8,700
Year 1 | US$/ZAR                        
Disclosure of changes in accounting estimates [line items]                        
Long-term exchange rates 18.08 16.53 15.55                  
Year 1 | A$/US$                        
Disclosure of changes in accounting estimates [line items]                        
Long-term exchange rates 0.67 0.70 0.75                  
Year 2                        
Disclosure of changes in accounting estimates [line items]                        
Gold price per ounce/kg 1,875 1,730 1,700 1,060,000 2,690   925,000 2,400   870,000 2,300  
Copper price per tonne | $ / t           8,700     8,150     8,000
Year 2 | US$/ZAR                        
Disclosure of changes in accounting estimates [line items]                        
Long-term exchange rates 17.58 16.63 15.92                  
Year 2 | A$/US$                        
Disclosure of changes in accounting estimates [line items]                        
Long-term exchange rates 0.70 0.72 0.74                  
Year 3                        
Disclosure of changes in accounting estimates [line items]                        
Gold price per ounce/kg 1,800 1,700 1,600 1,030,000 2,570   925,000 2,350   810,000 2,150  
Copper price per tonne | $ / t           8,900     8,150     7,700
Year 3 | US$/ZAR                        
Disclosure of changes in accounting estimates [line items]                        
Long-term exchange rates 17.80 16.92 15.75                  
Year 3 | A$/US$                        
Disclosure of changes in accounting estimates [line items]                        
Long-term exchange rates 0.70 0.72 0.73                  
Year 4                        
Disclosure of changes in accounting estimates [line items]                        
Gold price per ounce/kg 1,760 1,650 1,550 1,020,000 2,500   900,000 2,250   780,000 2,070  
Copper price per tonne | $ / t           8,600     8,150     7,500
Year 4 | US$/ZAR                        
Disclosure of changes in accounting estimates [line items]                        
Long-term exchange rates 18.03 16.97 15.65                  
Year 4 | A$/US$                        
Disclosure of changes in accounting estimates [line items]                        
Long-term exchange rates 0.70 0.73 0.75                  
Year 5 onwards                        
Disclosure of changes in accounting estimates [line items]                        
Gold price per ounce/kg 1,720 1,620 1,550 990,000 2,430   875,000 2,200   780,000 2,070  
Copper price per tonne | $ / t           8,400     7,700     7,500
Year 5 onwards | US$/ZAR                        
Disclosure of changes in accounting estimates [line items]                        
Long-term exchange rates 17.90 16.80 15.65                  
Year 5 onwards | A$/US$                        
Disclosure of changes in accounting estimates [line items]                        
Long-term exchange rates 0.71 0.74 0.75