v3.24.0.1
Summary of significant accounting policies (Details)
 1 Months Ended 12 Months Ended
Dec. 31, 2023
₦ / $
Dec. 31, 2022
₦ / $
Dec. 31, 2021
₦ / $
Dec. 31, 2023
₦ / $
segment
Disclosure of detailed information about property, plant and equipment [line items]        
Foreign exchange rate 911.68 461.50 435.00 911.68
Average foreign exchange rate 840.96 451.01 415.60  
Typical number of performance obligations in non-lease revenue contracts 2     2
Lease additional periods       10 years
Number of reportable segments | segment       4
Bottom of range        
Disclosure of detailed information about property, plant and equipment [line items]        
Foreign exchange rate 461.50 416.00 394.13 461.50
Bottom of range | If Pillar Two regulations had been enacted in current financial year        
Disclosure of detailed information about property, plant and equipment [line items]        
Percentage of increase in current tax expense if Pillar Two regulations had been enacted during current year       15.00%
Bottom of range | Leasing contracts in which reporting entity is lessor        
Disclosure of detailed information about property, plant and equipment [line items]        
Lease term       5 years
Top of range        
Disclosure of detailed information about property, plant and equipment [line items]        
Foreign exchange rate 911.68 461.50 435.00 911.68
Top of range | If Pillar Two regulations had been enacted in current financial year        
Disclosure of detailed information about property, plant and equipment [line items]        
Percentage of increase in current tax expense if Pillar Two regulations had been enacted during current year       20.00%
Top of range | Leasing contracts in which reporting entity is lessor        
Disclosure of detailed information about property, plant and equipment [line items]        
Lease term       10 years
Base station equipment (including civil costs and overheads) | Bottom of range        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       10 years
Base station equipment (including civil costs and overheads) | Top of range        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       20 years
Base station equipment (other equipment)        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       15 years
Base station equipment (rectifier and solar power)        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       10 years
Base station equipment (alarm and battery) | Bottom of range        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       3 years
Base station equipment (alarm and battery) | Top of range        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       5 years
Base station equipment (generator and generator overhaul) | Bottom of range        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       1 year
Base station equipment (generator and generator overhaul) | Top of range        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       3 years
Base station equipment (base transmission equipment) | Bottom of range        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       8 years
Base station equipment (base transmission equipment) | Top of range        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       10 years
Fixed line network equipment (including civil works, duct system, cable system and survey costs)        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       25 years
Outdoor cabinet        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       10 years
Office complex        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       40 years
Furniture and office equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       3 years
Motor vehicles        
Disclosure of detailed information about property, plant and equipment [line items]        
Property and equipment estimated useful lives       4 years