Collateralized Transactions - Gross Secured Financing Balances (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Gross Secured Financing Balances
Securities sold under agreements to repurchase	$ 139,675	$ 198,493
Securities loaned	21,981	20,261
Total included in the offsetting disclosure	161,656	218,754
Trading liabilities—Obligation to return securities received as collateral	30,104	16,389
Total	191,760	235,143
U.S. government and agency securities
Gross Secured Financing Balances
Securities sold under agreements to repurchase	30,790	94,662
Other sovereign government obligations
Gross Secured Financing Balances
Securities sold under agreements to repurchase	73,063	71,140
Securities loaned	748	3,430
Corporate equities
Gross Secured Financing Balances
Securities sold under agreements to repurchase	25,881	24,692
Securities loaned	20,656	16,536
Trading liabilities—Obligation to return securities received as collateral	30,048	16,365
Other
Gross Secured Financing Balances
Securities sold under agreements to repurchase	9,941	7,999
Securities loaned	577	295
Trading liabilities—Obligation to return securities received as collateral	56	24
Overnight and Open
Gross Secured Financing Balances
Securities sold under agreements to repurchase	29,271	84,349
Securities loaned	11,480	15,267
Total included in the offsetting disclosure	40,751	99,616
Trading liabilities—Obligation to return securities received as collateral	30,104	16,389
Total	70,855	116,005
Less than 30 Days
Gross Secured Financing Balances
Securities sold under agreements to repurchase	53,987	60,853
Securities loaned	364	247
Total included in the offsetting disclosure	54,351	61,100
Trading liabilities—Obligation to return securities received as collateral	0	0
Total	54,351	61,100
30-90 Days
Gross Secured Financing Balances
Securities sold under agreements to repurchase	17,099	26,221
Securities loaned	650	0
Total included in the offsetting disclosure	17,749	26,221
Trading liabilities—Obligation to return securities received as collateral	0	0
Total	17,749	26,221
Over 90 Days
Gross Secured Financing Balances
Securities sold under agreements to repurchase	39,318	27,070
Securities loaned	9,487	4,747
Total included in the offsetting disclosure	48,805	31,817
Trading liabilities—Obligation to return securities received as collateral	0	0
Total	$ 48,805	$ 31,817

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
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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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