Trading Assets and Liabilities - Summary (Details) - USD ($) $ in Millions		Jun. 30, 2023	Dec. 31, 2022
Debt and Equity Securities, FV-NI [Line Items]
Trading assets	[1]	$ 19,391	$ 21,730
Trading liabilities	[1]	2,699	2,803
U.S. Treasury
Debt and Equity Securities, FV-NI [Line Items]
Trading assets		2,791	1,670
U.S. Government agency issued or guaranteed
Debt and Equity Securities, FV-NI [Line Items]
Trading assets		2	0
U.S. Government sponsored enterprises
Debt and Equity Securities, FV-NI [Line Items]
Trading assets		762	369
Foreign bonds
Debt and Equity Securities, FV-NI [Line Items]
Trading assets		1,649	6,391
Equity securities
Debt and Equity Securities, FV-NI [Line Items]
Trading assets		10,261	7,855
Precious metals
Debt and Equity Securities, FV-NI [Line Items]
Trading assets		2,605	3,831
Securities sold, not yet purchased
Debt and Equity Securities, FV-NI [Line Items]
Trading liabilities		1,267	837
Derivative assets
Debt and Equity Securities, FV-NI [Line Items]
Trading assets		1,321	1,614
Derivatives liability
Debt and Equity Securities, FV-NI [Line Items]
Trading liabilities		$ 1,432	$ 1,966

[1] The following table summarizes assets and liabilities related to our consolidated variable interest entities ("VIEs") at June 30, 2023 and December 31, 2022. Assets and liabilities exclude intercompany balances that eliminate in consolidation. See Note 17, "Variable Interest Entities," for additional information. June 30, 2023December 31, 2022(in millions)AssetsLoans, net$186 $162 Other assets40 44 Total assets$226 $206 LiabilitiesInterest, taxes and other liabilities$35 $22 Total liabilities$35 $22