Collateralized Agreements and Financings - Schedule of Repurchase Agreements and Securities Loaned by Maturity Date (Detail) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Offsetting Liabilities [Line Items] | ||
| Repurchase agreements | $ 509,497 | $ 502,148 |
| Securities loaned | 70,958 | $ 71,581 |
| No stated maturity and overnight | ||
| Offsetting Liabilities [Line Items] | ||
| Repurchase agreements | 259,135 | |
| Securities loaned | 41,118 | |
| 2 - 30 days | ||
| Offsetting Liabilities [Line Items] | ||
| Repurchase agreements | 104,974 | |
| Securities loaned | 0 | |
| 30-89 days | ||
| Offsetting Liabilities [Line Items] | ||
| Repurchase agreements | 45,568 | |
| Securities loaned | 2,217 | |
| 91 days - 1 year | ||
| Offsetting Liabilities [Line Items] | ||
| Repurchase agreements | 57,078 | |
| Securities loaned | 15,965 | |
| Greater than 1 year | ||
| Offsetting Liabilities [Line Items] | ||
| Repurchase agreements | 42,742 | |
| Securities loaned | $ 11,658 |
| 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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, before effects of master netting arrangements, of securities loaned to entities in exchange for collateral. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|