Deposits - Additional Information (Detail) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
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| Deposit Liability [Line Items] | ||
| Deposits at fair value | $ 92,248 | $ 76,569 |
| U.S. | ||
| Deposit Liability [Line Items] | ||
| Time deposits, at or above FDIC insurance limit | 41,590 | |
| Non-U.S. | ||
| Deposit Liability [Line Items] | ||
| Time deposits, at or above FDIC insurance limit | $ 58,390 |
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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/2003/role/disclosureRef
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- Definition Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of time deposit liabilities, including certificates of deposit, in denominations that meet or exceed the Federal Deposit Insurance Corporation (FDIC) insurance limit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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