Interest Income and Interest Expense - Sources of Interest Income and Interest Expense (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest income and expense
Deposits with banks	$ 3,233	$ (24)	$ 245
Collateralized agreements	4,468	(980)	282
Trading assets	5,087	4,716	5,210
Investments	2,199	1,589	1,627
Loans	9,059	5,319	4,883
Other interest	4,978	1,500	1,442
Total interest income	29,024	12,120	13,689
Deposits	5,823	1,303	2,386
Collateralized financings	2,808	0	599
Trading liabilities	1,923	1,662	1,238
Short-term borrowings	541	527	542
Long-term borrowings	5,716	3,231	4,153
Other interest	4,535	(1,073)	20
Total interest expense	21,346	5,650	8,938
Net interest income	$ 7,678	$ 6,470	$ 4,751