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PROVISIONS AND CONTINGENT LIABILITIES - Movement in provisions (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure of other provisions [line items]    
Balance at beginning of the year $ 125 $ 106
Arising during the year 25 31
Utilized (19) (1)
Unused amounts reversed (11) (9)
Transfer and reclassification   7
Discount rate adjustment and imputed interest 3 3
Translation adjustments and other (2) (12)
Balance at end of the year 121 125
Non-current 48 44
Current 73 81
Non-income tax provisions    
Disclosure of other provisions [line items]    
Balance at beginning of the year 65 49
Arising during the year 9 18
Utilized (15) 0
Unused amounts reversed (5) (2)
Transfer and reclassification   7
Discount rate adjustment and imputed interest 0 0
Translation adjustments and other 2 (7)
Balance at end of the year 56 65
Non-current 0 4
Current 56 61
Decommi-ssioning provision    
Disclosure of other provisions [line items]    
Balance at beginning of the year 40 43
Arising during the year 8 3
Utilized (1) (1)
Unused amounts reversed (1) (4)
Transfer and reclassification   0
Discount rate adjustment and imputed interest 3 3
Translation adjustments and other (3) (4)
Balance at end of the year 46 40
Non-current 46 40
Current 0 0
Legal provision    
Disclosure of other provisions [line items]    
Balance at beginning of the year 9 9
Arising during the year 0 0
Utilized 0 0
Unused amounts reversed 0 0
Transfer and reclassification   0
Discount rate adjustment and imputed interest 0 0
Translation adjustments and other 0 0
Balance at end of the year 9 9
Non-current 0 0
Current 9 9
Other provisions    
Disclosure of other provisions [line items]    
Balance at beginning of the year 11 5
Arising during the year 8 10
Utilized (3) 0
Unused amounts reversed (5) (3)
Transfer and reclassification   0
Discount rate adjustment and imputed interest 0 0
Translation adjustments and other (1) (1)
Balance at end of the year 10 11
Non-current 2 0
Current $ 8 $ 11