Collateralized Transactions - Gross Secured Financing Balances (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Gross Secured Financing Balances
Securities sold under agreements to repurchase	$ 170,786	$ 139,675
Securities loaned	27,884	21,981
Total included in the offsetting disclosure	198,670	161,656
Trading liabilities— Obligation to return securities received as collateral	26,399	30,104
Total	225,069	191,760
U.S. Treasury and agency securities
Gross Secured Financing Balances
Securities sold under agreements to repurchase	51,940	30,790
Other sovereign government obligations
Gross Secured Financing Balances
Securities sold under agreements to repurchase	87,195	73,063
Securities loaned	858	748
Corporate equities
Gross Secured Financing Balances
Securities sold under agreements to repurchase	19,200	25,881
Securities loaned	26,528	20,656
Trading liabilities— Obligation to return securities received as collateral	26,370	30,048
Other
Gross Secured Financing Balances
Securities sold under agreements to repurchase	12,451	9,941
Securities loaned	498	577
Trading liabilities— Obligation to return securities received as collateral	29	56
Overnight and Open
Gross Secured Financing Balances
Securities sold under agreements to repurchase	57,575	29,271
Securities loaned	17,040	11,480
Total included in the offsetting disclosure	74,615	40,751
Trading liabilities— Obligation to return securities received as collateral	26,399	30,104
Total	101,014	70,855
Less than 30 Days
Gross Secured Financing Balances
Securities sold under agreements to repurchase	55,401	53,987
Securities loaned	0	364
Total included in the offsetting disclosure	55,401	54,351
Trading liabilities— Obligation to return securities received as collateral	0	0
Total	55,401	54,351
30-90 Days
Gross Secured Financing Balances
Securities sold under agreements to repurchase	15,420	17,099
Securities loaned	675	650
Total included in the offsetting disclosure	16,095	17,749
Trading liabilities— Obligation to return securities received as collateral	0	0
Total	16,095	17,749
Over 90 Days
Gross Secured Financing Balances
Securities sold under agreements to repurchase	42,390	39,318
Securities loaned	10,169	9,487
Total included in the offsetting disclosure	52,559	48,805
Trading liabilities— Obligation to return securities received as collateral	0	0
Total	$ 52,559	$ 48,805

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 210
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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