v3.26.1
INTANGIBLE ASSETS - Schedule of movement in goodwill (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of information for cash-generating units [line items]    
Goodwill at beginning of period $ 14 [1] $ 15
Additions 116 0
Transfer and reclassification 1 0
Translation adjustment (3) (1)
Goodwill at end of period 128 14 [1]
Kyivstar    
Disclosure of information for cash-generating units [line items]    
Goodwill at beginning of period 14 15
Additions 7 0
Transfer and reclassification 0 0
Translation adjustment 0 (1)
Goodwill at end of period 21 14
Uklon    
Disclosure of information for cash-generating units [line items]    
Goodwill at beginning of period 0  
Additions 109  
Transfer and reclassification 1  
Translation adjustment (3)  
Goodwill at end of period $ 107 $ 0
[1]
*Prior period comparatives have been reclassified to conform with the current period presentation