INCOME TAXES - Gross Unrecognized Income Tax Benefits (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | |||
| Balance at January 1 | $ 1,361 | $ 1,300 | $ 1,235 |
| Increases and decreases as a result of positions taken during prior years | |||
| Other increases, including currency translation | 6 | 22 | 42 |
| Other decreases, including currency translation | (31) | (22) | (5) |
| Increases as a result of positions taken during the current year | 86 | 93 | 86 |
| Decreases relating to settlements with tax authorities | (20) | (18) | (6) |
| Decreases as a result of a lapse of the applicable statute of limitations | (102) | (14) | (52) |
| Balance at December 31 | $ 1,300 | $ 1,361 | $ 1,300 |