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Cost of Sales (Tables)
12 Months Ended
Dec. 31, 2022
Analysis of income and expense [abstract]  
Summary of cost of sales
United States Dollar
Figures in millions unless otherwise stated202220212020
Salaries and wages(397.4)(397.8)(352.5)
Consumable stores(397.4)(319.6)(267.4)
Utilities(141.5)(134.1)(121.3)
Mine contractors(658.0)(628.2)(575.3)
Other(337.2)(304.8)(238.1)
Cost of sales before gold inventory change and amortisation and depreciation(1,931.5)(1,784.5)(1,554.6)
Gold inventory change168.1 122.8 65.5 
Cost of sales before amortisation and depreciation(1,763.4)(1,661.7)(1,489.1)
Amortisation and depreciation(844.3)(713.2)(661.3)
Total cost of sales(2,607.7)(2,374.9)(2,150.4)