Collateralized Transactions - Assets Loaned or Pledged (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Financial Instruments Owned and Pledged as Collateral [Line Items] | ||
| Financial Instrument, Owned, Pledged Status [Extensible Enumeration] | Asset Pledged as Collateral [Member] | |
| Trading assets | $ 544,153 | $ 428,276 |
| Asset Pledged as Collateral without Right | ||
| Financial Instruments Owned and Pledged as Collateral [Line Items] | ||
| Trading assets | $ 63,446 | $ 43,182 |
| X | ||||||||||
- Definition Fair value portion of assets pertaining to principal and customer trading transactions, or which may be incurred with the objective of generating a profit from short- term fluctuations in price as part of an entity's market-making, hedging and proprietary trading. No definition available.
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| 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/2003/role/disclosureRef
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| X | ||||||||||
- Definition Indicates pledged status of security from proprietary transaction entered into by broker-dealer for trading and investment purposes. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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