Variable Interest Entities - Securitization Activity (Details) - Nonconsolidated entities - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Residential mortgage | ||||
| Securitization activity | ||||
| Principal securitized | $ 8,189 | $ 7,782 | $ 27,295 | $ 18,736 |
| All cash flows during the period: | ||||
| Proceeds received from loan sales as financial instruments | 8,284 | 8,004 | 28,441 | 19,208 |
| Servicing fees collected | 9 | 8 | 28 | 25 |
| Cash flows received on interests | 245 | 160 | 925 | 464 |
| Commercial and other | ||||
| Securitization activity | ||||
| Principal securitized | 3,585 | 3,777 | 14,077 | 8,617 |
| All cash flows during the period: | ||||
| Proceeds received from loan sales as financial instruments | 3,548 | 3,752 | 13,766 | 8,615 |
| Servicing fees collected | 8 | 10 | 26 | 31 |
| Cash flows received on interests | $ 230 | $ 245 | $ 578 | $ 671 |