Securities Financing Activities - Types of Financial Assets Pledged and Remaining Maturity (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	$ 553,011	$ 532,899
Securities loaned and other	57,991	52,610
Overnight and continuous
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	220,217	195,035
Securities loaned and other	56,975	50,034
Up to 30 days
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	205,272	231,171
Securities loaned and other	124	1,701
30 – 90 days
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	57,245	47,201
Securities loaned and other	489	0
Greater than 90 days
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	70,277	59,492
Securities loaned and other	403	875
Mortgage-backed securities, U.S. GSEs and government agencies
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	33,274	37,046
Securities loaned and other	0	0
Mortgage-backed securities, Residential - nonagency
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	1,169	1,508
Securities loaned and other	0	0
Mortgage-backed securities, Commercial - nonagency
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	1,443	1,463
Securities loaned and other	0	0
U.S. Treasury, GSEs and government agencies
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	240,145	241,578
Securities loaned and other	2,193	358
Obligations of U.S. states and municipalities
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	2,274	1,916
Securities loaned and other	7	7
Non-U.S. government debt
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	189,535	174,971
Securities loaned and other	2,134	1,572
Corporate debt securities
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	46,671	38,180
Securities loaned and other	2,783	1,619
Asset-backed securities
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	1,345	1,211
Securities loaned and other	5	0
Equity securities
Securities Financing Transaction [Line Items]
Securities sold under repurchase agreements	37,155	35,026
Securities loaned and other	$ 50,869	$ 49,054

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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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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