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v3.25.4

LONG-TERM BORROWINGS - Schedule of Subordinated Debt (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($)
Debt Instrument [Line Items] |  |
Aggregate Principal Amount Issued | $ 645,000,000 |
Net Proceeds | 641,000,000 |
Carrying Value | $ 641,000,000 |
Basis points, tenor spread adjustment | 0.0026 |
Senior Notes |  |
Debt Instrument [Line Items] |  |
Aggregate Principal Amount Issued | $ 500,000,000 |
Net Proceeds | 497,000,000 |
Carrying Value | 498,000,000 |
Other Subordinated Debt |  |
Debt Instrument [Line Items] |  |
Aggregate Principal Amount Issued | 145,000,000 |
Net Proceeds | 144,000,000 |
Carrying Value | $ 143,000,000 |
5.722% Fixed-To-Floating Rate Senior Notes due December 11, 2030 | Senior Notes |  |
Debt Instrument [Line Items] |  |
Interest Rate | 5.722% |
Aggregate Principal Amount Issued | $ 500,000,000 |
Net Proceeds | 497,000,000 |
Carrying Value | $ 498,000,000 |
5.722% Fixed-To-Floating Rate Senior Notes due December 11, 2030 | Other Subordinated Debt |  |
Debt Instrument [Line Items] |  |
Interest Rate |  | 5.722%
Aggregate Principal Amount Issued |  | $ 500,000,000
Basis points, interest rate, type [Extensible Enumeration] | Secured Overnight Financing Rate (SOFR) [Member] |
Basis points, spread | 1.93% |
7.178% Fixed-To-Floating Rate Subordinated Notes due 2029 | Other Subordinated Debt |  |
Debt Instrument [Line Items] |  |
Interest Rate | 6.515% |
Aggregate Principal Amount Issued | $ 120,000,000 |
Net Proceeds | 118,000,000 |
Carrying Value | $ 119,000,000 |
Basis points, interest rate, type [Extensible Enumeration] | Secured Overnight Financing Rate (SOFR) [Member] |
Basis points, tenor spread adjustment | 0.0026 |
Basis points, spread | 2.40% |
7.726% Fixed-To-Floating Rate Subordinated Notes due December 6, 2028 | Other Subordinated Debt |  |
Debt Instrument [Line Items] |  |
Interest Rate | 7.019% |
Aggregate Principal Amount Issued | $ 25,000,000 |
Net Proceeds | 26,000,000 |
Carrying Value | $ 24,000,000 |
Basis points, interest rate, type [Extensible Enumeration] | Secured Overnight Financing Rate (SOFR) [Member] |
Basis points, tenor spread adjustment | 0.0026 |
Basis points, spread | 3.02% |

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