Securities Financing Activities - Types of Financial Assets Pledged and Remaining Maturity (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	$ 459,985	$ 480,793
Securities loaned and other	52,142	52,443
Overnight and continuous
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	259,048	205,235
Securities loaned and other	49,610	50,138
Up to 30 days
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	102,941	170,696
Securities loaned and other	1,544	1,285
30 – 90 days
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	20,960	37,120
Securities loaned and other	0	3
Greater than 90 days
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	77,036	67,742
Securities loaned and other	988	1,017
Mortgage-backed securities, U.S. GSEs and government agencies
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	71,064	58,050
Securities loaned and other	0	0
Mortgage-backed securities, Residential - nonagency
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	2,292	2,414
Securities loaned and other	0	0
Mortgage-backed securities, Commercial - nonagency
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	2,669	2,007
Securities loaned and other	0	0
U.S. Treasury, GSEs and government agencies(a)
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	216,467	191,254
Securities loaned and other	1,034	1,464
Obligations of U.S. states and municipalities
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	2,323	1,735
Securities loaned and other	0	5
Non-U.S. government debt
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	97,400	155,156
Securities loaned and other	1,455	1,259
Corporate debt securities
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	39,247	37,121
Securities loaned and other	2,025	461
Asset-backed securities
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	2,703	2,981
Securities loaned and other	0	0
Equity securities
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	25,820	30,075
Securities loaned and other	$ 47,628	$ 49,254

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- Definition

Amount, before effects of master netting arrangements, of securities loaned to entities in exchange for collateral. Includes liabilities not subject to a master netting arrangement and elected not to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483466/210-20-50-3

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Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and elected not to be offset.

+ References

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