v3.24.0.1
Provisions for other liabilities and charges - Discount rates and sensitivity analysis (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Provisions      
Disclosure of other provisions [line items]      
Percentage of Increase (Decrease) In discount rate 1.00% 1.00%  
Percentage of increase in discount rate 1.00% 1.00%  
Percentage of decrease in discount rate 1.00% 1.00%  
Effect of 1% increase in discount rate $ (2,562) $ (2,066) $ (1,571)
Effect of 1% decrease in discount rate $ 1,189 $ 1,606 $ 1,093
Nigerian entities      
Disclosure of other provisions [line items]      
Discount rate used in provisions calculation 11.10% 11.10%  
IHS Cameroon S.A.      
Disclosure of other provisions [line items]      
Discount rate used in provisions calculation 7.40% 5.50%  
IHS Cote d Ivoire S.A.      
Disclosure of other provisions [line items]      
Discount rate used in provisions calculation 5.90% 8.00%  
IHS Zambia Limited      
Disclosure of other provisions [line items]      
Discount rate used in provisions calculation 14.00% 9.10%  
IHS South Africa Proprietary Limited      
Disclosure of other provisions [line items]      
Discount rate used in provisions calculation 12.20% 11.10%  
IHS Rwanda Limited      
Disclosure of other provisions [line items]      
Discount rate used in provisions calculation 13.50% 16.00%  
Brazilian entities      
Disclosure of other provisions [line items]      
Discount rate used in provisions calculation 15.10% 16.40%  
IHS Kuwait Limited      
Disclosure of other provisions [line items]      
Discount rate used in provisions calculation 6.30% 3.40%