Derivative Instruments - Summary of Notional for VIE Derivatives Outstanding (Details) - Variable Interest Entity, Primary Beneficiary [Member] - USD ($) $ in Millions |
Jun. 30, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Interest Rate Swap [Member] | ||
| Schedule Of Loans And Allowance For Loan By Class Individually And Collectively Evaluated For Impairment [Line Items] | ||
| Derivative products, Notional Amount | $ 1,648 | $ 1,662 |
| Interest Rate Swaps-Pay-Fixed/Receive-Variable [Member] | ||
| Schedule Of Loans And Allowance For Loan By Class Individually And Collectively Evaluated For Impairment [Line Items] | ||
| Derivative products, Notional Amount | 820 | 864 |
| Currency Swaps [Member] | ||
| Schedule Of Loans And Allowance For Loan By Class Individually And Collectively Evaluated For Impairment [Line Items] | ||
| Derivative products, Notional Amount | $ 136 | $ 149 |