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PROVISIONS - Environmental Rehabilitation (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of other provisions [line items]    
Provisions, noncurrent $ 2,768 $ 3,139
Environmental rehabilitation    
Disclosure of other provisions [line items]    
Environmental rehabilitation, beginning balance 3,081 3,078
Environmental rehabilitation, ending balance 2,725 3,081
Current provisions (166) (131)
Provisions, noncurrent 2,559 2,950
Operating segments [member] | Environmental rehabilitation    
Disclosure of other provisions [line items]    
Other increase (decrease) during period (42) 1
Cash payments (44) (39)
Settlement gains (2) (3)
Accretion 30 25
Other items not allocated to segments | Environmental rehabilitation    
Disclosure of other provisions [line items]    
PERs divested during the year (265) (6)
Other increase (decrease) during period 44 79
Cash payments (89) (67)
Settlement gains (6) (3)
Accretion $ 18 $ 16