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Cash and Cash Equivalents (Tables)
12 Months Ended
Dec. 31, 2022
Cash and cash equivalents [abstract]  
Schedule of cash and cash equivalents
United States Dollar
Figures in millions unless otherwise stated20222021
Cash at bank and on hand769.4 524.7 
Total cash and cash equivalents1
769.4 524.7 
1    Cash and cash equivalents include secured cash deposits of US$28.2 million (2021: US$nil) in Australia and US$10.0 million (2021: US$nil) in Peru, set aside for future rehabilitation costs. The contributions in Australia and Peru are pro-active and not legally required by local legislation.