XML 147 R50.htm IDEA: XBRL DOCUMENT v3.20.1
Basis of preparation and summary of significant accounting policies (Tables)
 12 Months Ended
Dec. 31, 2019
Statement [LineItems]  
Disclosure of Estimated Useful Lives for the Current and Comparative
The estimated useful lives are as follows:
 
Buildings
   21 – 25 years 
Mobile network infrastructure
   4 – 20 years 
Fixed network infrastructure
   3 – 25 years 
Call center equipment
   4 – 8 years 
Equipment, fixtures and fittings
   2 – 10 years 
Motor vehicles
   4 – 6 years 
Leasehold improvements
   3 – 5 years 
Disclosure of Useful Lives for the Intangible Assets
Amortization is recognized in the statement of profit or loss on a straight-line basis over the estimated useful lives. The useful lives for computer software are as follows:
 
Transmission line software
   5 – 10 years 
Central betting system operating right
   7 – 10 years 
Customer base
   2 – 15 years 
Brand name
   9 – 10 years 
Indefeasible right of use
   15 years 
Disclosure of Estimated Useful Lives for Investment Properties
The estimated useful lives are as follows:
 
Investment Property
 25 – 45 years
GSM and other telecommunication operating licenses [member]  
Statement [LineItems]  
Disclosure of Useful Lives for the Intangible Assets
The useful lives for telecommunication licenses are as follows:
Telecommunications licenses   3 – 25 years 
Computer software [member]  
Statement [LineItems]  
Disclosure of Useful Lives for the Intangible Assets
Amortization is recognized in the statement of profit or loss on a straight-line basis over the estimated useful lives. The useful lives for computer software are as follows:
 
Computer software
   3 – 8 years