v3.24.0.1
Goodwill and other intangible assets - Additional information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure of detailed information about intangible assets [line items]    
Percentage of reasonably possible increase in discount rate 1.00%  
Percentage of reasonably possible decrease in terminal growth rate 1.00%  
Percentage of reasonably possible decrease in tenancy growth 50.00%  
Percentage of reasonably possible decrease in gross margin 10.00%  
IHS Zambia Limited | 10% decrease in gross margin    
Disclosure of detailed information about intangible assets [line items]    
Impairment loss $ 8,505  
IHS South Africa Proprietary Limited | 1% increase in post-tax discount rate    
Disclosure of detailed information about intangible assets [line items]    
Impairment loss   $ 68,724
IHS South Africa Proprietary Limited | 1% decrease in terminal growth rate    
Disclosure of detailed information about intangible assets [line items]    
Impairment loss   45,732
IHS South Africa Proprietary Limited | Reasonably possible decrease in tenancy growth    
Disclosure of detailed information about intangible assets [line items]    
Impairment loss   155,908
IHS South Africa Proprietary Limited | 10% decrease in gross margin    
Disclosure of detailed information about intangible assets [line items]    
Impairment loss   77,017
IHS Latam Group    
Disclosure of detailed information about intangible assets [line items]    
Impairment loss $ 0 121,600
Percentage of reasonably possible increase in discount rate 1.00%  
Percentage of reasonably possible decrease in terminal growth rate 1.00%  
Percentage of reasonably possible decrease in tenancy growth 15.00%  
Percentage of reasonably possible decrease in growth in homes connected 15.00%  
IHS Latam Group | 1% increase in post-tax discount rate    
Disclosure of detailed information about intangible assets [line items]    
Increase in incremental charge recognized $ 139,955 174,000
IHS Latam Group | 1% decrease in terminal growth rate    
Disclosure of detailed information about intangible assets [line items]    
Increase in incremental charge recognized 71,817 108,000
IHS Latam Group | Reasonably possible decrease in tenancy growth    
Disclosure of detailed information about intangible assets [line items]    
Increase in incremental charge recognized $ 88,368 $ 113,000