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- Definition

Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Sold and Repaid

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No definition available.

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- Definition

Debt Securities, Available-For-Sale, Transfer, Unrealized Gain (Loss)

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- Definition

Debt Securities, Held-To-Maturity, External Credit Rating, Percent Rated AA Plus Or Higher

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- Definition

Amount of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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- Definition

Amount, excluding accrued interest, of decrease in allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) from sale.

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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.

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Investment Securities - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]
Investment securities transferred from AFS to HTM	$ 44,100
Unrealized gains included in AOCI for investment securities transferred from AFS to HTM	575
Approximate percentage rated at least AA+		99.00%		99.00%
Investment securities, allowance for credit losses	$ 105	$ 47	$ 105	$ 106
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Reduction in allowance for credit losses related to sale of securities			$ 17
Corporate Debt Securities and Collateralized Mortgage-Backed Securities
Debt Securities, Available-for-sale [Line Items]
Reduction in allowance for credit losses related to sale and payoff of securities		$ 48