Collateralized Agreements and Financings - Schedule of Repurchase Agreements and Securities Loaned by Maturity Date (Detail) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Offsetting Liabilities [Line Items] | ||
| Repurchase agreements | $ 529,846 | $ 502,148 |
| Securities loaned | 71,575 | $ 71,581 |
| No stated maturity and overnight | ||
| Offsetting Liabilities [Line Items] | ||
| Repurchase agreements | 267,757 | |
| Securities loaned | 40,577 | |
| 2 - 30 days | ||
| Offsetting Liabilities [Line Items] | ||
| Repurchase agreements | 102,343 | |
| Securities loaned | 1,441 | |
| 30-89 days | ||
| Offsetting Liabilities [Line Items] | ||
| Repurchase agreements | 55,537 | |
| Securities loaned | 2,628 | |
| 91 days - 1 year | ||
| Offsetting Liabilities [Line Items] | ||
| Repurchase agreements | 59,899 | |
| Securities loaned | 14,604 | |
| Greater than 1 year | ||
| Offsetting Liabilities [Line Items] | ||
| Repurchase agreements | 44,310 | |
| Securities loaned | $ 12,325 |
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- 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
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- 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/disclosureRef
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- 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
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