INCOME TAXES - Summary of Valuation Allowance (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Deferred Tax Asset, Valuation Allowance [Roll Forward] | |||
| Balance at beginning of period | $ 231 | $ 540 | $ 272 |
| Provision for income taxes | 4 | (279) | (12) |
| Foreign currency exchange and other | 16 | (31) | 280 |
| Balance at end of period | $ 251 | $ 231 | $ 540 |