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Loans, Lending Commitments and Related Allowance for Credit Losses - Loans by Interest Rate Type (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fixed Rate	$ 59,083	$ 56,492
Floating or Adjustable Rate	209,430	182,727
Corporate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fixed Rate	1	0
Floating or Adjustable Rate	16,108	16,071
Secured lending facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fixed Rate	525	0
Floating or Adjustable Rate	65,792	51,349
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fixed Rate	328	0
Floating or Adjustable Rate	7,946	9,041
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fixed Rate	32,051	31,014
Floating or Adjustable Rate	38,864	35,724
Securities-based lending and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fixed Rate	26,178	25,478
Floating or Adjustable Rate	$ 80,720	$ 70,542

X

- Definition

Financing Receivable including Held-for-Sale with Fixed Rates of Interest

+ References

No definition available.

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- Definition

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+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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