Other Borrowings - Additional Information (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2025	Dec. 31, 2024
Debt [Line Items]
Weighted average rate on FHLB advances, short-term	4.64%	4.77%
Customer repurchase agreements	$ 0	$ 14
Weighted average rate on FHLB advances	4.85%	4.85%
Federal funds purchased	$ 0	$ 0
Minimum
Debt [Line Items]
Period of basis point spread	0.10%
Maximum
Debt [Line Items]
Period of basis point spread	0.20%
Customer Repurchase Agreements
Debt [Line Items]
Customer repurchase agreements	$ 0	14
Federal Home Loan Bank Advances
Debt [Line Items]
Additional available credit with the entity	8,100	8,700
FRB
Debt [Line Items]
Additional available credit with the entity	16,800	12,400
Warehouse Agreement Borrowings
Debt [Line Items]
Additional available credit with the entity	2,100	2,300
Warehouse Borrowings	$ 0	$ 0
Secured Debt
Debt [Line Items]
Weighted average borrowing rate	6.57%	6.30%

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Weighted average interest rate of debt outstanding.

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Amount of short term borrowing where a bank borrows, at the federal funds rate, from another bank.

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Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank).

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Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank) maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Carrying value as of the balance sheet date of the outstanding short-term borrowings under a revolving line of credit used by mortgage bankers to finance the origination or purchase of loans.

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Debt [Line Items]

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