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PROVISION FOR PENSION AND POST-RETIREMENT BENEFITS (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of defined benefit plans [line items]            
Defined benefit plans       $ 83 $ 100 $ 100
Benefit obligation            
Net periodic benefit cost $ 8 $ 9 $ 10      
2021            
Disclosure of sensitivity analysis for actuarial assumptions [abstract]            
Estimated future benefit payments       8    
2022            
Disclosure of sensitivity analysis for actuarial assumptions [abstract]            
Estimated future benefit payments       9    
2023            
Disclosure of sensitivity analysis for actuarial assumptions [abstract]            
Estimated future benefit payments       9    
2024            
Disclosure of sensitivity analysis for actuarial assumptions [abstract]            
Estimated future benefit payments       9    
2025            
Disclosure of sensitivity analysis for actuarial assumptions [abstract]            
Estimated future benefit payments       9    
Thereafter            
Disclosure of sensitivity analysis for actuarial assumptions [abstract]            
Estimated future benefit payments       33    
Post-retirement medical scheme for AngloGold Ashanti's South African employees            
Disclosure of defined benefit plans [line items]            
Defined benefit plans       77 93 93
Benefit obligation            
Balance at beginning of year 93 93 115      
Interest cost 7 8 9      
Benefits paid (7) (8) (10)      
Actuarial (gain) loss (9) (2) (5)      
Translation (5) 2 (16)      
Balance at end of year 77 93 93      
Net amount recognised 77 93 115 $ 77 $ 93 $ 93
Net periodic benefit cost 7 8 9      
Disclosure of sensitivity analysis for actuarial assumptions [abstract]            
Discount rate (in percent)       9.14% 9.15% 9.57%
Expected increase in health care costs (in percent)       6.06% 7.25% 7.35%
Health care cost trend assumed for next year (in percent)       6.06% 7.25% 7.35%
Rate to which the cost trend is assumed to decline (the ultimate trend rate) (in percent)       6.06% 7.25% 7.35%
Estimate of contributions expected to be paid to plan for next annual reporting period 8          
Post-retirement medical scheme for AngloGold Ashanti's South African employees | Health care cost trend rates            
Disclosure of sensitivity analysis for actuarial assumptions [abstract]            
Percentage of reasonably possible increase in actuarial assumption (in percent)       1.00%    
Increase in total service and interest cost due to reasonably possible increase in actuarial assumption 0 1 1      
Increase in defined benefit obligation due to reasonably possible increase in actuarial assumption       $ 4 $ 7 $ 7
Percentage of reasonably possible decrease in actuarial assumption (in percent)       1.00%    
Decrease in total service and interest cost due to reasonably possible decrease in actuarial assumption 0 (1) (1)      
Decrease in defined benefit obligation due to reasonably possible decrease in actuarial assumption       $ (4) (6) (7)
Post-retirement medical scheme for AngloGold Ashanti's South African employees | Including liabilities classified as held for sale            
Benefit obligation            
Balance at beginning of year 93 93        
Balance at end of year 79 93 93      
Net amount recognised 93 93 93 79 93 93
Post-retirement medical scheme for AngloGold Ashanti's South African employees | Classified as held for sale            
Benefit obligation            
Settlement gain $ (2) $ 0 $ 0      
Other defined benefit plans            
Disclosure of defined benefit plans [line items]            
Defined benefit plans       $ 6 $ 7 $ 7