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PROVISIONS - Environmental Rehabilitation (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of other provisions [line items] |  |
Provisions, noncurrent | $ 3,114 | $ 2,904
Environmental rehabilitation |  |
Disclosure of other provisions [line items] |  |
Environmental rehabilitation, beginning balance | 2,837 | 3,096
PERs acquired (divested) during the year | 425 | 0
Other increase (decrease) during period | (87) | (247)
Cash payments | (21) | (18)
Settlement gains | (1) | (1)
Accretion | 57 | 74
Environmental rehabilitation, ending balance | 3,078 | 2,837
Current provisions | (156) | (111)
Provisions, noncurrent | 2,922 | 2,726
Discontinued operations | Environmental rehabilitation |  |
Disclosure of other provisions [line items] |  |
Other increase (decrease) during period | (75) | (30)
Cash payments | (72) | (48)
Settlement gains | (3) | (2)
Accretion | $ 18 | $ 13

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