Trading Assets and Liabilities - Summary of Market Making Revenues by Major Product Type (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Trading activity, gains and losses, net [Line Items]
Market making	$ 18,634	$ 15,357	$ 15,428
Interest rates
Trading activity, gains and losses, net [Line Items]
Market making	(4,890)	(2,664)	6,074
Credit
Trading activity, gains and losses, net [Line Items]
Market making	1,095	1,739	3,269
Currencies
Trading activity, gains and losses, net [Line Items]
Market making	11,662	5,627	(3,312)
Equities
Trading activity, gains and losses, net [Line Items]
Market making	7,734	8,459	6,792
Commodities
Trading activity, gains and losses, net [Line Items]
Market making	$ 3,033	$ 2,196	$ 2,605