v3.26.1
SIGNIFICANT TRANSACTIONS - NASDAQ listing of Kyivstar Group via de-SPAC transaction (Details)
$ / shares in Units, $ in Millions
12 Months Ended
Aug. 14, 2025
USD ($)
shares
$ / shares
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Disclosure of detailed information about business combination [line items]        
Listing expense $ 162 $ 162 $ 0 $ 0
Kyivstar Group        
Disclosure of detailed information about business combination [line items]        
SPAC cash balance 178      
SPAC accrued transaction costs (16)      
Fair value of identifiable net assets 162      
Transaction costs incurred by VEON (30)      
Net proceeds from the transaction 132      
Equity interests of acquirer 324      
Listing expense $ 162      
Kyivstar Group | Warrants        
Disclosure of detailed information about business combination [line items]        
Number of instruments or interests issued or issuable (in shares) | shares 7,666,629      
Fair value of contingent consideration $ 26      
Fair value of warrant (in USD per share) | $ / shares $ 3.35      
Kyivstar Group | Vesting securities - Tranche 1 | Contingently issuable shares        
Disclosure of detailed information about business combination [line items]        
Number of instruments or interests issued or issuable (in shares) | shares 661,919      
Exercise price, share options granted (in USD per share) | $ / shares $ 8.70      
Fair value of contingent consideration $ 6      
Kyivstar Group | Vesting securities - Tranche 2 | Contingently issuable shares        
Disclosure of detailed information about business combination [line items]        
Number of instruments or interests issued or issuable (in shares) | shares 661,919      
Exercise price, share options granted (in USD per share) | $ / shares $ 8.10      
Fair value of contingent consideration $ 5      
Kyivstar Group | Common shares        
Disclosure of detailed information about business combination [line items]        
Share price (in USD per share) | $ / shares $ 12.70      
Number of instruments or interests issued or issuable (in shares) | shares 22,597,245      
Equity interests of acquirer $ 287