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FAIR VALUE (Schedule of Rollforward of Level 3 Fair Value Measurements Including Realized Gains and Losses in the Income Statement) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Level 3 |  |  |  |
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] |  |  |  |
Securities gains (losses), net | $ (5) | $ (1) | $ (5) | $ 1

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