Derivatives and Hedging Activities - Derivative Instrument Cash Flow Hedge Earning Recognized by Income Statement Location (Details) - Interest rate - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Derivatives, Fair Value [Line Items] | |||
| Net Gains (Losses) Reclassified From AOCI Into Income | $ (360) | $ (735) | $ (953) |
| Cash Flow Hedging | |||
| Derivatives, Fair Value [Line Items] | |||
| Net Gains (Losses) Recognized in OCI | 309 | (448) | (289) |
| Interest income – loans | Cash Flow Hedging | |||
| Derivatives, Fair Value [Line Items] | |||
| Net Gains (Losses) Reclassified From AOCI Into Income | (358) | (733) | (956) |
| Interest expense — Long-term debt | Cash Flow Hedging | |||
| Derivatives, Fair Value [Line Items] | |||
| Net Gains (Losses) Reclassified From AOCI Into Income | (2) | (2) | (2) |
| Investment banking and debt placement fees | Cash Flow Hedging | |||
| Derivatives, Fair Value [Line Items] | |||
| Net Gains (Losses) Reclassified From AOCI Into Income | $ 0 | $ 0 | $ 5 |