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v3.25.1

Securities - Narrative (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 USD ($) security | Mar. 31, 2024 USD ($) | Dec. 31, 2024 USD ($) security
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |
Number of available-for-sale debt securities in an unrealized loss position | security | 536 |  | 541
Debt Securities, AFS, allowance for credit loss | $ | $ 0 |  | $ 0
Provision (reversal of provision) for credit losses | $ | 0 | $ 0 |
HTM securities allowance for credit loss | $ | 0 |  | 0
Asset Pledged as Collateral |  |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |
AFS and HTM debt securities carrying value | $ | $ 5,700,000,000 |  | $ 5,400,000,000
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities |  |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |
Number of available-for-sale debt securities in an unrealized loss position | security | 289 |  | 290
Non-agency mortgage-backed securities |  |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |
Number of available-for-sale debt securities in an unrealized loss position | security | 79 |  | 83
Corporate debt securities |  |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |
Number of available-for-sale debt securities in an unrealized loss position | security | 66 |  | 66

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