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CASH RESTRICTED FOR USE (Tables)
 12 Months Ended
Dec. 31, 2020
Disclosure Of Additional Information [Abstract]  
Cash Restricted for Use by Type
US Dollars
Figures in millions202020192018
Non-current31 31 35 
Current
Cash restricted by prudential solvency requirements and other24 27 24 
Cash balances held by the Tropicana - joint operation18 6 7 
42 33 31 
Total cash restricted for use (note 35 and 36)
73 64 66