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OTHER INVESTMENTS
 12 Months Ended
Dec. 31, 2022
Disclosure of detailed information about financial instruments [abstract]  
OTHER INVESTMENTS OTHER INVESTMENTS
US Dollars
Figures in millions202220212020
Listed investments (1)
Non-current investments
Equity investments at fair value through OCI (FVTOCI)
Balance at beginning of year116 186 72 
Additions16 3 9 
Capitalised to tangible assets (2)
(80)— — 
Fair value adjustments (3)
(50)(73)98 
Transfer from unlisted non-current investments— — 7 
Balance at end of year2 116 186 
The non-current equity investments consist of ordinary shares and collective investment schemes and primarily comprise:
Corvus Gold Inc.— 80 59 
Pure Gold Mining1 35 126 
Other1 1 1 
2 116 186 
Book value of listed investments2 116 186 
Unlisted investments
Non-current investments
Balance at beginning of year1 2 4 
Transfer to listed non-current investments— — (7)
Fair value adjustments - FVTPL— (1)5 
Balance at end of year1 1 2 
The unlisted investments include:
Book value of unlisted investments1 1 2 
Total book value of other investments 3 117 188 
(1)    The Group’s listed equity investments are susceptible to market price risk arising from uncertainties about the future values of the investments. At the reporting date, the FVTOCI equity investments were listed on the Toronto Stock Exchange.

(2)    The 19.5% investment held in Corvus Gold Inc.was capitalised to tangible assets on completion of Corvus Gold asset acquisition on 18 January 2022.
(3)    Includes net fair value gain of nil (2021: $21m; 2020: $18m) for Corvus Gold Inc. and a fair value loss of $50m (2021: $94m; 2020: $81m net gain) for Pure Gold Mining