v3.26.1
SIGNIFICANT TRANSACTIONS - Narrative (Details)
$ / shares in Units, $ in Millions
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 16, 2025
USD ($)
Aug. 14, 2025
USD ($)
shares
tradingDay
$ / shares
Aug. 13, 2025
USD ($)
shares
Aug. 12, 2025
USD ($)
$ / shares
shares
Jul. 10, 2025
$ / shares
shares
Apr. 02, 2025
USD ($)
May 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
USD ($)
shares
Dec. 31, 2023
USD ($)
shares
Dec. 15, 2025
USD ($)
Jul. 08, 2025
$ / shares
Jun. 30, 2025
USD ($)
Jun. 13, 2025
$ / shares
Mar. 07, 2025
$ / shares
Disclosure of detailed information about business combination [line items]                                  
Par value per share (in dollars per share) | $ / shares               $ 0.01 $ 0.01 $ 0.01       $ 0.01   $ 0.01 $ 0.01
Excess of fair value of consideration over Cohen Circle’s net assets (IFRS 2 charge for listing service)   $ 162               $ 162 $ 0 $ 0          
LLC Helsi Ukraine                                  
Disclosure of detailed information about business combination [line items]                                  
Proportion of ownership interest in subsidiary             97.99%     97.99% 69.99%            
Proportion of ownership interests held by non-controlling interests             1.10%                    
Equity interests to be acquired             2.01%                    
Uklon                                  
Disclosure of detailed information about business combination [line items]                                  
Percentage of voting equity interests acquired           97.00%                      
Purchase consideration           $ 158                      
Fair value of contingent consideration           $ 16                      
Equity interest acquired           3.00%                      
Non-controlling interests           $ 0                      
Customer-related intangible assets recognised as of acquisition date           32                      
Intangible assets           58                      
Technology-based intangible assets recognised as of acquisition date           8                      
Trade and other receivables           2                      
Revenue of acquiree since acquisition date                 $ 80                
Profit (loss) of acquiree since acquisition date                 21                
Revenue of combined entity as if combination occurred at beginning of period                   $ 99              
Profit (loss) of combined entity as if combination occurred at beginning of period                   25              
Acquisition-related costs recognised as expense for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination                   1              
Identifiable assets acquired (liabilities assumed)           49   $ 49 49 49         $ 54    
Goodwill resulting from acquisition           $ 109   109 $ 109 109         $ 104    
Consideration paid                   $ 153              
Uklon | Seller Liability                                  
Disclosure of detailed information about business combination [line items]                                  
Measurement period adjustments recognised for particular assets, liabilities, non-controlling interests or items of consideration               6                  
Uklon | Put Option Liability And Deferred Tax Liability                                  
Disclosure of detailed information about business combination [line items]                                  
Measurement period adjustments recognised for particular assets, liabilities, non-controlling interests or items of consideration               $ (1)                  
Uklon | Customer relationships                                  
Disclosure of detailed information about business combination [line items]                                  
Useful life measured as period of time, intangible assets other than goodwill           10 years                      
Uklon | Trademark                                  
Disclosure of detailed information about business combination [line items]                                  
Useful life measured as period of time, intangible assets other than goodwill           10 years                      
Intangible assets           $ 18                      
Uklon | Technology-based intangible assets                                  
Disclosure of detailed information about business combination [line items]                                  
Useful life measured as period of time, intangible assets other than goodwill           3 years                      
Uklon | Contingent Consideration Other Than Employee Bonuses                                  
Disclosure of detailed information about business combination [line items]                                  
Fair value of contingent consideration           $ 12                      
SUNVIN 11 LLC                                  
Disclosure of detailed information about business combination [line items]                                  
Percentage of voting equity interests acquired                         100.00%        
Purchase consideration $ 8                       $ 8        
Goodwill resulting from acquisition                         $ 7        
Proportion of ownership interest in subsidiary 100.00%                                
Share Purchase Agreement ("SPA") | Minimum | Employee Bonuses for Pre-Acquisition Service                                  
Disclosure of detailed information about business combination [line items]                                  
Estimated financial effect, contingent liabilities in business combination           0                      
Share Purchase Agreement ("SPA") | Maximum | Employee Bonuses for Pre-Acquisition Service                                  
Disclosure of detailed information about business combination [line items]                                  
Estimated financial effect, contingent liabilities in business combination           $ 4                      
Common shares                                  
Disclosure of detailed information about business combination [line items]                                  
Par value per share (in dollars per share) | $ / shares                           $ 0.01      
Issued shares (in shares) | shares               230,863,624 230,863,624 230,863,624 206,942,440 206,942,440          
Cohen Circle | Common shares                                  
Disclosure of detailed information about business combination [line items]                                  
Number of shares outstanding (in shares) | shares   17,152,985                              
Issued shares (in shares) | shares   17,152,985                              
Ukrainian Investment Platform | LLC Helsi Ukraine                                  
Disclosure of detailed information about business combination [line items]                                  
Proportion of ownership interest in subsidiary             26.90%                    
Consideration paid             $ 10                    
At amortized cost | Loan Note Payable - VEON Amsterdam B.V.                                  
Disclosure of detailed information about business combination [line items]                                  
Notional amount   $ 178 $ 178                            
VEON Amsterdam B.V.                                  
Disclosure of detailed information about business combination [line items]                                  
Shares exchanged (in shares) | shares   206,942,440                              
Transaction costs   $ 8                              
Cohen Circle                                  
Disclosure of detailed information about business combination [line items]                                  
Shares exchanged (in shares) | shares   23,163,338                              
Par value per share (in dollars per share) | $ / shares         $ 0.0001                        
Number of shares issued in transaction (in shares) | shares         757,745                        
Shares redeemed (in shares) | shares       5,847,015                          
Redemption price (in dollars per share) | $ / shares       $ 10.40                          
Redemption value       $ 61                          
Cohen Circle | Common shares                                  
Disclosure of detailed information about business combination [line items]                                  
Number of shares outstanding (in shares) | shares       17,152,985                          
Issued shares (in shares) | shares       17,152,985                          
Public Shareholders                                  
Disclosure of detailed information about business combination [line items]                                  
Shares exchanged (in shares) | shares   17,152,985                              
Sponsor                                  
Disclosure of detailed information about business combination [line items]                                  
Number of other equity instruments outstanding in share-based payment arrangement (in shares) | shares   5,740,353 8,350,000                            
Number of other equity instruments forfeited in share-based payment arrangement (in shares) | shares     2,609,647                            
Lock-up period   180 days                              
Lock-up period, stock price trigger (in dollars per share) | $ / shares   $ 13.50                              
Lock-up period, threshold trading days | tradingDay   20                              
Lock-up period, threshold consecutive trading days | tradingDay   30                              
Lock-Up period, period for stock price trigger   90 days                              
Sponsor | Shares Subject To Lock-Up Period                                  
Disclosure of detailed information about business combination [line items]                                  
Number of other equity instruments outstanding in share-based payment arrangement (in shares) | shares   3,971,515                              
Sponsor | Shares Subject To Vesting Requirements                                  
Disclosure of detailed information about business combination [line items]                                  
Number of other equity instruments outstanding in share-based payment arrangement (in shares) | shares   1,323,838                              
Cantor                                  
Disclosure of detailed information about business combination [line items]                                  
Number of other equity instruments outstanding in share-based payment arrangement (in shares) | shares   270,000 270,000                            
Sponsor and Cantor                                  
Disclosure of detailed information about business combination [line items]                                  
Number of other equity instruments outstanding in share-based payment arrangement (in shares) | shares   6,010,353                              
Sponsor Vesting Shares, Tranche 1                                  
Disclosure of detailed information about business combination [line items]                                  
Vesting requirements, stock price trigger (in dollars per share) | $ / shares   $ 15.00                              
Vesting requirements, threshold trading days | tradingDay   20                              
Vesting requirements, threshold consecutive trading days | tradingDay   30                              
Vesting requirements, vesting period   2 years                              
Sponsor Vesting Shares, Tranche 1 | Shares Subject To Vesting Requirements                                  
Disclosure of detailed information about business combination [line items]                                  
Number of other equity instruments outstanding in share-based payment arrangement (in shares) | shares   661,919                              
Sponsor Vesting Shares, Tranche 2                                  
Disclosure of detailed information about business combination [line items]                                  
Vesting requirements, stock price trigger (in dollars per share) | $ / shares   $ 20.00                              
Vesting requirements, threshold trading days | tradingDay   20                              
Vesting requirements, threshold consecutive trading days | tradingDay   30                              
Vesting requirements, vesting period   5 years                              
Sponsor Vesting Shares, Tranche 2 | Shares Subject To Vesting Requirements                                  
Disclosure of detailed information about business combination [line items]                                  
Number of other equity instruments outstanding in share-based payment arrangement (in shares) | shares   661,919                              
Kyivstar Group Warrants                                  
Disclosure of detailed information about business combination [line items]                                  
Warrants issued and outstanding (in shares) | shares   7,666,629                              
Warrants exercisable period   30 days                              
Warrants expiration period   5 years                              
Warrants, exercisable stock price trigger (in dollars per share) | $ / shares   $ 18.00                              
Warrants, redemption price (in dollars per share) | $ / shares   $ 0.01                              
Warrants, written notice period for redemption   30 days                              
Warrants, redemption, threshold trading days | tradingDay   20                              
Warrants, redemption, threshold consecutive trading days | tradingDay   30