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Supplemental information to the Consolidated Statement of Cash Flows (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Supplemental Cash Flow Information [Abstract]
Transfers from loans to other assets for other real estate owned	$ 1	$ 0
Change in assets of consolidated investment management funds	65	334
Change in liabilities of consolidated investment management funds	4	6
Change in nonredeemable noncontrolling interests of consolidated investment management funds	12	241
Securities purchased not settled	2,462	395
Securities sold not settled	0	85
Securities matured not settled	80	0
Available-for-sale securities transferred to held-to-maturity securities	4	0
Premises and equipment/operating lease obligations	230	174
Excise tax on share repurchases	19	19
Amortization of preferred stock discount	$ 10	$ 0

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- Definition

Consolidated Noncash Assets, Transfer of Financial Assets, Consolidation of Variable Interest Entities

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Consolidated Noncash Liabilities, Transfer of Financial Assets, Consolidation of Variable Interest Entities

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Noncash non-controlling interests consolidated as a result of adopting new guidance amending the accounting and the consolidation of variable entities.

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Debt Securities, Available-For-Sale, Transferred To Held-To-Maturity, Fair Value

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Excise Tax On Share Repurchase

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Securities Matured, Not Settled

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Securities Not Settled

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Securities sales not settled

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The amount of accretion of the preferred stock redemption discount during the period.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
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Value transferred from mortgage loans to real estate owned (REO) in noncash transactions.

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-Topic 230
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