IMPAIRMENT OF ASSETS - Impairment losses (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of impairment loss and reversal of impairment loss [line items] | |||
| Impairment (loss) / reversal, net | $ 9 | $ 3 | $ (6) |
| Ukraine | |||
| Disclosure of impairment loss and reversal of impairment loss [line items] | |||
| Impairment (loss) / reversal, net | 7 | 3 | 1 |
| Other | |||
| Disclosure of impairment loss and reversal of impairment loss [line items] | |||
| Impairment (loss) / reversal, net | 2 | (7) | |
| Property and equipment | |||
| Disclosure of impairment loss and reversal of impairment loss [line items] | |||
| Impairment (loss) / reversal, net | 9 | 3 | (6) |
| Property and equipment | Ukraine | |||
| Disclosure of impairment loss and reversal of impairment loss [line items] | |||
| Impairment (loss) / reversal, net | 7 | $ 3 | 1 |
| Property and equipment | Other | |||
| Disclosure of impairment loss and reversal of impairment loss [line items] | |||
| Impairment (loss) / reversal, net | $ 2 | $ (7) | |