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Cash And Cash Equivalents
 12 Months Ended
Dec. 31, 2019
Cash and cash equivalents [abstract]  
Cash And Cash Equivalents
CASH AND CASH EQUIVALENTS
 
US Dollars
Figures in millions
2019

 
2018

 
2017

 
 
 
 
 
 
Cash and deposits on call
417

 
312

 
170

Money market instruments
39

 
17

 
35

Total cash and cash equivalents (note 35 and note 36)
456

 
329

 
205