Collateralized Transactions - Gross Secured Financing Balances (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Gross Secured Financing Balances
Securities sold under agreements to repurchase	$ 253,085	$ 252,153
Securities loaned	46,848	36,419
Total included in the offsetting disclosure	299,933	288,572
Trading liabilities— Obligation to return securities received as collateral	8,658	13,528
Total	308,591	302,100
U.S. Treasury and agency securities
Gross Secured Financing Balances
Securities sold under agreements to repurchase	84,185	98,377
Other sovereign government obligations
Gross Secured Financing Balances
Securities sold under agreements to repurchase	131,489	122,342
Securities loaned	1,793	1,379
Corporate equities
Gross Secured Financing Balances
Securities sold under agreements to repurchase	23,791	18,144
Securities loaned	44,245	34,434
Trading liabilities— Obligation to return securities received as collateral	8,564	13,502
Other
Gross Secured Financing Balances
Securities sold under agreements to repurchase	13,620	13,290
Securities loaned	810	606
Trading liabilities— Obligation to return securities received as collateral	94	26
Overnight and Open
Gross Secured Financing Balances
Securities sold under agreements to repurchase	70,487	80,376
Securities loaned	31,934	21,508
Total included in the offsetting disclosure	102,421	101,884
Trading liabilities— Obligation to return securities received as collateral	8,658	13,528
Total	111,079	115,412
Less than 30 Days
Gross Secured Financing Balances
Securities sold under agreements to repurchase	113,219	114,826
Securities loaned	0	1,345
Total included in the offsetting disclosure	113,219	116,171
Trading liabilities— Obligation to return securities received as collateral	0	0
Total	113,219	116,171
30-90 Days
Gross Secured Financing Balances
Securities sold under agreements to repurchase	31,956	25,510
Securities loaned	381	709
Total included in the offsetting disclosure	32,337	26,219
Trading liabilities— Obligation to return securities received as collateral	0	0
Total	32,337	26,219
Over 90 Days
Gross Secured Financing Balances
Securities sold under agreements to repurchase	37,423	31,441
Securities loaned	14,533	12,857
Total included in the offsetting disclosure	51,956	44,298
Trading liabilities— Obligation to return securities received as collateral	0	0
Total	$ 51,956	$ 44,298

The aggregate amount of liabilities as of the balance sheet date for obligations incurred in connection with the entity's investments.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(15)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

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The fair value of collateral received by the entity associated with securities borrowed that must be returned if the counterparty fulfills its obligations. It appears on the balance sheet as a liability and has a corresponding asset that appears on the balance sheet called Securities Received as Collateral.

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+ References

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

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 860
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481420/860-30-50-7

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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.

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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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