Goodwill and Mortgage Servicing Rights - Mortgage Fees and Related Income (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Risk management: | ||||
| Mortgage fees and related income | $ 274 | $ 383 | $ 919 | $ 1,024 |
| All other | 16 | 11 | 33 | 42 |
| CCB | ||||
| CCB mortgage fees and related income | ||||
| Production revenue | 46 | 173 | 371 | 434 |
| Operating revenue: | ||||
| Loan servicing revenue | 398 | 409 | 1,210 | 1,233 |
| Changes in MSR asset fair value due to collection/realization of expected cash flows | (259) | (265) | (792) | (796) |
| Total operating revenue | 139 | 144 | 418 | 437 |
| Risk management: | ||||
| Changes in MSR asset fair value due to market interest rates and other | 598 | (3) | 736 | (44) |
| Other changes in MSR asset fair value due to other inputs and assumptions in model | 56 | 34 | 62 | 1 |
| Changes in derivative fair value and other | (581) | 24 | (701) | 154 |
| Total risk management | 73 | 55 | 97 | 111 |
| Total net mortgage servicing revenue | 212 | 199 | 515 | 548 |
| Mortgage fees and related income | $ 258 | $ 372 | $ 886 | $ 982 |