FAIR VALUE MEASUREMENTS AND DERIVATIVE INSTRUMENTS (Credit Risk) (Details) - USD ($) |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Derivative [Line Items] | ||
| FV of derivative instruments in net liability positions with credit risk related features, including normal purchase normal sale | $ 28,000,000 | $ 86,000,000 |
| Collateral posted | 0 | |
| Additional collateral required to post if credit-risk contingent features are triggered | 28,000,000 | |
| Amount relating to outstanding net payable balances for settled positions | ||
| Derivative [Line Items] | ||
| Assets needed for immediate settlement, aggregate fair value | $ 13,000,000 |