v3.26.3
Borrowings - Debt instrument (Details)
€ in Millions, $ in Millions, ₦ in Billions, XOF in Billions, R in Billions
Sep. 09, 2026
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2026
XOF
Sep. 30, 2026
EUR (€)
Sep. 30, 2026
ZAR (R)
Sep. 30, 2026
NGN (₦)
Dec. 31, 2025
USD ($)
Borrowings              
Borrowings   $ 3,129.0         $ 3,234.4
Borrowings   $ 3,129.0         3,137.7
Assets and liabilities classified as held for sale              
Borrowings              
Borrowings             96.7
IHS Holding limited, Senior Note Maturing 2026              
Borrowings              
Interest rate 5.625% 5.625% 5.625% 5.625% 5.625% 5.625%  
Borrowings             200.5
Repayments of bonds, notes and debentures $ 200.0            
IHS Holding limited, Senior Note Maturing 2028              
Borrowings              
Notional amount   $ 500.0          
Interest rate   6.25% 6.25% 6.25% 6.25% 6.25%  
Borrowings   $ 508.5         500.2
IHS Holding limited, Senior Note Maturing 2030              
Borrowings              
Notional amount   $ 750.0          
Interest rate   7.875% 7.875% 7.875% 7.875% 7.875%  
Borrowings   $ 769.5         546.7
Proceeds from issue of bonds, notes and debentures $ 200.0            
IHS Holding limited, Senior Note Maturing 2031              
Borrowings              
Notional amount   $ 650.0          
Interest rate   8.25% 8.25% 8.25% 8.25% 8.25%  
Borrowings   $ 659.5         645.3
IHS Mauritius NG Holdco Limited, senior notes issued 2019              
Borrowings              
Notional amount   $ 286.0          
Interest rate   8.00% 8.00% 8.00% 8.00% 8.00%  
Borrowings   $ 285.4         290.0
I-Systems Solues de Infraestrutura S.A., debentures issued in 2024              
Borrowings              
Borrowings             26.8
I-Systems Solues de Infraestrutura S.A., debentures issued in 2024 | CDI              
Borrowings              
Borrowings, adjustment to interest rate basis   2.10% 2.10% 2.10% 2.10% 2.10%  
IHS Cote d Ivoire S.A., CIV XOF Tranche II              
Borrowings              
Notional amount | XOF     XOF 5.3        
Interest rate   6.50% 6.50% 6.50% 6.50% 6.50%  
Borrowings   $ 8.8         12.1
IHS Cote d Ivoire S.A., CIV Euro Tranche II              
Borrowings              
Notional amount | €       € 41.7      
Borrowings   $ 46.2         63.9
IHS Cote d Ivoire S.A., CIV Euro Tranche II | 3M EURIBOR              
Borrowings              
Borrowings, adjustment to interest rate basis   3.50% 3.50% 3.50% 3.50% 3.50%  
IHS Holding 2025 facility              
Borrowings              
Notional amount   $ 200.0          
Borrowings   $ 195.6         198.2
IHS Holding 2025 facility | 3M SOFR              
Borrowings              
Borrowings, adjustment to interest rate basis   3.85% 3.85% 3.85% 3.85% 3.85%  
IHS Holding (2024) Dual Tranche Bullet Term Loan Facility, ZAR Tranche              
Borrowings              
Notional amount | R         R 3.2    
Borrowings   $ 201.3         198.6
IHS Holding (2024) Dual Tranche Bullet Term Loan Facility, ZAR Tranche | 3M JIBAR              
Borrowings              
Borrowings, adjustment to interest rate basis   4.50% 4.50% 4.50% 4.50% 4.50%  
IHS Holding (2024) Dual Tranche Bullet Term Loan Facility, USD Tranche              
Borrowings              
Notional amount   $ 255.0          
Borrowings   $ 257.2         256.8
IHS Holding (2024) Dual Tranche Bullet Term Loan Facility, USD Tranche | 3M SOFR              
Borrowings              
Borrowings, adjustment to interest rate basis   4.50% 4.50% 4.50% 4.50% 4.50%  
IHS Towers South Africa Proprietary Limited, maturing 2029              
Borrowings              
Notional amount | R         R 2.8    
Borrowings   $ 168.4         182.4
IHS Towers South Africa Proprietary Limited, maturing 2029 | 3M JIBAR              
Borrowings              
Borrowings, adjustment to interest rate basis   2.75% 2.75% 2.75% 2.75% 2.75%  
IHS Zambia Limited, maturing 2027              
Borrowings              
Notional amount   $ 28.5          
Borrowings   $ 28.6         42.9
IHS Zambia Limited, maturing 2027 | CAS + SOFR              
Borrowings              
Borrowings, adjustment to interest rate basis   5.00% 5.00% 5.00% 5.00% 5.00%  
I-Systems Solues de Infraestrutura S.A., bank term loan issued October 2022              
Borrowings              
Borrowings             69.9
I-Systems Solues de Infraestrutura S.A., bank term loan issued October 2022 | CDI | Minimum              
Borrowings              
Borrowings, adjustment to interest rate basis   2.45% 2.45% 2.45% 2.45% 2.45%  
I-Systems Solues de Infraestrutura S.A., bank term loan issued October 2022 | CDI | Maximum              
Borrowings              
Borrowings, adjustment to interest rate basis   2.50% 2.50% 2.50% 2.50% 2.50%  
IHS Holding 2025 revolving credit facility              
Borrowings              
Notional amount   $ 300.0          
IHS Holding 2025 revolving credit facility | 3M SOFR              
Borrowings              
Borrowings, adjustment to interest rate basis   3.50% 3.50% 3.50% 3.50% 3.50%  
Nigeria 2026 Revolving Credit Facility              
Borrowings              
Notional amount | ₦           ₦ 100.0  
Nigeria 2026 Revolving Credit Facility | MPR              
Borrowings              
Borrowings, adjustment to interest rate basis   1.00% 1.00% 1.00% 1.00% 1.00%  
IHS Nigeria, letters of credit issued February 2022              
Borrowings              
Borrowings             $ 0.1
IHS Nigeria, letters of credit issued February 2022 | Minimum              
Borrowings              
Interest rate   12.00% 12.00% 12.00% 12.00% 12.00%  
IHS Nigeria, letters of credit issued February 2022 | Maximum              
Borrowings              
Interest rate   15.39% 15.39% 15.39% 15.39% 15.39%