Trading Assets and Liabilities - Summary of Trading Assets and Liabilities (Detail) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Trading assets	$ 383,975	$ 375,916
Trading liabilities	231,713	181,424
Trading cash instruments
Trading Cash Instruments	303,854	311,956
Trading liabilities	160,944	129,471
Derivatives
Trading Assets at Fair Value	80,121	63,960
Trading liabilities	$ 70,769	$ 51,953

The carrying amount of liabilities as of the balance sheet date that pertain 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. Examples include short positions in securities, derivatives and commodities, obligations under repurchase agreements, and securities borrowed arrangements.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant