Collateralized Transactions - Gross Secured Financing Balances (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Gross Secured Financing Balances
Securities sold under agreements to repurchase	$ 460,725	$ 429,440
Securities loaned	79,548	84,155
Total included in the offsetting disclosure	540,273	513,595
Trading liabilities— Obligation to return securities received as collateral	8,182	7,329
Total	548,455	520,924
U.S. Treasury and agency securities
Gross Secured Financing Balances
Securities sold under agreements to repurchase	236,030	209,470
Other sovereign government obligations
Gross Secured Financing Balances
Securities sold under agreements to repurchase	153,526	159,444
Securities loaned	330	1,208
Corporate equities
Gross Secured Financing Balances
Securities sold under agreements to repurchase	31,470	32,919
Securities loaned	76,630	81,063
Trading liabilities— Obligation to return securities received as collateral	7,746	7,017
Other
Gross Secured Financing Balances
Securities sold under agreements to repurchase	39,699	27,607
Securities loaned	2,588	1,884
Trading liabilities— Obligation to return securities received as collateral	436	312
Overnight and Open
Gross Secured Financing Balances
Securities sold under agreements to repurchase	241,209	221,938
Securities loaned	62,564	70,433
Total included in the offsetting disclosure	303,773	292,371
Trading liabilities— Obligation to return securities received as collateral	8,182	7,329
Total	311,955	299,700
Less than 30 Days
Gross Secured Financing Balances
Securities sold under agreements to repurchase	107,743	122,291
Securities loaned	1,393	0
Total included in the offsetting disclosure	109,136	122,291
Trading liabilities— Obligation to return securities received as collateral	0	0
Total	109,136	122,291
30-90 Days
Gross Secured Financing Balances
Securities sold under agreements to repurchase	37,694	43,737
Securities loaned	319	321
Total included in the offsetting disclosure	38,013	44,058
Trading liabilities— Obligation to return securities received as collateral	0	0
Total	38,013	44,058
Over 90 Days
Gross Secured Financing Balances
Securities sold under agreements to repurchase	74,079	41,474
Securities loaned	15,272	13,401
Total included in the offsetting disclosure	89,351	54,875
Trading liabilities— Obligation to return securities received as collateral	0	0
Total	$ 89,351	$ 54,875

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
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-Paragraph 1
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-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-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

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 860
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
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-Publisher FASB
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 860
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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483444/210-20-55-15

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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