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v3.25.3

Derivative Instruments and Hedging Activities Credit Risk-Related Contingent Features (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Derivative [Line Items] |  |  |  |  |
Derivative, Net Liability Position, Aggregate Fair Value | $ 374 |  | $ 374 |  | $ 288
Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Net Liability Position, Aggregate Fair Value | 264 |  | 264 |  | 234
Gains (Losses) Recognized in Earnings (not designated as hedging instruments) | 58 | $ 53 | (4) | $ 205 |
Cash Flow Hedging [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred | 0 | 3 | 17 | (25) |
Gains (Losses) Recognized in Earnings (not designated as hedging instruments) | 6 | (326) | (172) | 32 |
Interest Rate Contract [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Net Liability Position, Aggregate Fair Value | 84 |  | 84 |  | 15
Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Net Liability Position, Aggregate Fair Value | 0 |  | 0 |  | $ 0
Gains (Losses) Recognized in Earnings (not designated as hedging instruments) | (2) | 0 | (2) | 1 |
Interest Rate Contract [Member] | Cash Flow Hedging [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred | 2 | 2 | 11 | (28) |
Gains (Losses) Recognized in Earnings (not designated as hedging instruments) | 2 | (337) | (183) | 3 |
Measurement Input, Quoted Price | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Gains (Losses) Recognized in Earnings (not designated as hedging instruments) | $ (26) | $ (25) | $ (40) | $ (43) |

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