PERSONNEL EXPENSES AND DEFERRED EMPLOYEE BENEFITS - Cash Contributions and Maturity Profile, Life Expectancy - Narrative (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of defined benefit plans [line items] | ||
| Defined contribution plan, expected to be paid | $ 92 | |
| Defined contribution plan, cash contributions paid | $ 123 | $ 107 |
| Actuarial assumption of life expectancy after retirement | 23 years | |
| Pension plan benefits | ||
| Disclosure of defined benefit plans [line items] | ||
| Estimate of contributions expected to be paid to plan for next annual reporting period | $ 215 | |
| Weighted average duration of defined benefit obligation | 10 years | |
| Other post-employment benefits and other long-term employee benefits ("OPEB") | ||
| Disclosure of defined benefit plans [line items] | ||
| Estimate of contributions expected to be paid to plan for next annual reporting period | $ 69 | |
| Weighted average duration of defined benefit obligation | 11 years | |