Borrowed Funds - Breakdown of Borrowed Funds (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Debt Instrument
Total borrowed funds	$ 13,180	$ 14,426
Total wholesale borrowings
Debt Instrument
Total borrowed funds	12,150	13,400
FHLB advances
Debt Instrument
Total borrowed funds	12,150	13,400
Junior subordinated debentures
Debt Instrument
Total borrowed funds	584	582
Subordinated notes
Debt Instrument
Total borrowed funds	$ 446	$ 444

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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+ Details

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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