INVESTMENTS - Recognition and Measurement of Impairment (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Investments, Debt and Equity Securities [Abstract] | ||||
| Impairment losses recognized in earnings for debt securities that the Company intends to sell, would more-likely-than-not be required to sell or will be subject to an issuer call deemed probable of exercise | $ 25 | $ 2 | $ 138 | $ 5 |
| Debt Securities, Available-for-Sale, Realized Gain (Loss) | $ 25 | $ 2 | $ 138 | $ 5 |