INVESTMENT SECURITIES - Realized and Unrealized Gain (Loss) on Securities (Details) - USD ($) $ in Millions |
3 Months Ended | |
---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
|
Investments, Debt and Equity Securities [Abstract] | ||
Net unrealized gains (losses) for equity securities with readily determinable fair value (RDFV) | $ 5 | $ 441 |
Proceeds from debt/equity securities sales and early redemptions | 672 | 3,196 |
Gross realized gains on debt securities | 5 | 8 |
Gross realized losses on debt securities | $ (7) | $ (11) |