DERIVATIVES - Gains and Losses of Net Investment Hedges (Details) - Net Investment Hedging - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Derivative [Line Items] | ||||
| Gains (losses) recognized in OCI | $ 46 | $ (30) | $ 47 | $ (44) |
| Euro denominated debt | ||||
| Derivative [Line Items] | ||||
| Gains (losses) recognized in OCI | 28 | (10) | 25 | (20) |
| USD denominated debt | ||||
| Derivative [Line Items] | ||||
| Gains (losses) recognized in OCI | 0 | 12 | 0 | 12 |
| Cross-currency interest rate swaps | ||||
| Derivative [Line Items] | ||||
| Gains (losses) recognized in OCI | $ 18 | $ (32) | $ 22 | $ (36) |