Commitments, Contingencies and Guarantees (Details) $ in Millions |
Sep. 30, 2026
USD ($)
|
|---|---|
| Other Commitments [Line Items] | |
| Contractual obligation | $ 3,200 |
| Other liabilities reserve | 94 |
| Private Education Loans | |
| Other Commitments [Line Items] | |
| Unfunded loan commitments, classified as held for sale | $ 672 |
| X | ||||||||||
- Definition Other Liabilities Reserve No definition available.
|
| X | ||||||||||
- Definition Unfunded Loan Commitment, Loan Held-for-Sale No definition available.
|
| X | ||||||||||
- Definition Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|