v3.25.2
INVESTMENTS, DEBT AND DERIVATIVES - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Disclosure of detailed information about financial instruments [line items]          
Financial assets $ 722   $ 722   $ 422
Fair value re-measurement of financial instruments 8 $ (4) 7 $ (6)  
At amortized cost | Borrowings, of which other borrowings          
Disclosure of detailed information about financial instruments [line items]          
Other payables 70   70   83
At amortized cost          
Disclosure of detailed information about financial instruments [line items]          
Financial assets 685   685   392
At amortized cost | Restricted bank deposits          
Disclosure of detailed information about financial instruments [line items]          
Financial assets 27   27   32
At amortized cost | Restricted cash          
Disclosure of detailed information about financial instruments [line items]          
Financial assets 87   87   63
At amortized cost | Short term loan          
Disclosure of detailed information about financial instruments [line items]          
Financial assets 67   67   42
At amortized cost | Deferred consideration from sale of subsidiary          
Disclosure of detailed information about financial instruments [line items]          
Financial assets 363   363   101
At amortized cost | Deferred consideration from sale of subsidiary | Deodar          
Disclosure of detailed information about financial instruments [line items]          
Financial assets 363   363    
At amortized cost | Deferred consideration from sale of subsidiary | TNS Plus          
Disclosure of detailed information about financial instruments [line items]          
Financial assets 101   101    
At amortized cost | Loans          
Disclosure of detailed information about financial instruments [line items]          
Financial assets 82   82   69
At amortized cost | Sovereign bonds | Pakistan          
Disclosure of detailed information about financial instruments [line items]          
Financial assets 27   27   27
At amortized cost | Sovereign bonds | Ukraine          
Disclosure of detailed information about financial instruments [line items]          
Financial assets 0   0   30
Investments in equity instruments designated at fair value through other comprehensive income | Other investments | Pakistan          
Disclosure of detailed information about financial instruments [line items]          
Financial assets 4   4   4
Investments in equity instruments designated at fair value through other comprehensive income | Other investments | Bangladesh          
Disclosure of detailed information about financial instruments [line items]          
Financial assets $ 33   $ 33   $ 26