PERSONNEL EXPENSES AND DEFERRED EMPLOYEE BENEFITS - Deferred Employee Benefits (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of net defined benefit liability (asset) [line items] | ||
| Deferred employee benefits | $ 2,526 | $ 2,338 |
| Defined benefit liabilities | ||
| Disclosure of net defined benefit liability (asset) [line items] | ||
| Deferred employee benefits | 2,490 | 2,311 |
| Pension plan benefits | ||
| Disclosure of net defined benefit liability (asset) [line items] | ||
| Deferred employee benefits | 1,448 | 1,310 |
| Other post-employment benefits and other long-term employee benefits ("OPEB") | ||
| Disclosure of net defined benefit liability (asset) [line items] | ||
| Deferred employee benefits | 928 | 884 |
| Termination benefits | ||
| Disclosure of net defined benefit liability (asset) [line items] | ||
| Deferred employee benefits | 114 | 117 |
| Provisions for social plans (non-current) | ||
| Disclosure of net defined benefit liability (asset) [line items] | ||
| Deferred employee benefits | $ 36 | $ 27 |