PERSONNEL EXPENSES AND DEFERRED EMPLOYEE BENEFITS - Expenses Recognized in Income Statement (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of defined benefit plans [line items] | |||
| Total | $ 232 | $ 166 | $ 249 |
| Cost of sales | |||
| Disclosure of defined benefit plans [line items] | |||
| Total | 104 | 35 | 100 |
| Selling, general and administrative expenses | |||
| Disclosure of defined benefit plans [line items] | |||
| Total | 19 | 16 | 14 |
| Financing costs - net | |||
| Disclosure of defined benefit plans [line items] | |||
| Total | 109 | 115 | 135 |
| Net periodic pension cost | |||
| Disclosure of defined benefit plans [line items] | |||
| Total | 176 | 111 | 159 |
| Net periodic OPEB cost | |||
| Disclosure of defined benefit plans [line items] | |||
| Total | $ 56 | $ 55 | $ 90 |