Loans - Schedule of Forecasted Economic Scenarios (Detail) - Scenario, Forecast [Member] - UNITED STATES |
Dec. 31, 2024 |
Dec. 31, 2023 |
Jun. 30, 2023 |
Dec. 31, 2022 |
Jun. 30, 2022 |
|---|---|---|---|---|---|
| Unemployment Rate [Member] | |||||
| Schedule Of Forecasted Economic Scenarios [Line Items] | |||||
| Allowance for credit losses forecast model inputs | 3.40% | 3.50% | 3.70% | ||
| GDP [Member] | |||||
| Schedule Of Forecasted Economic Scenarios [Line Items] | |||||
| Allowance for credit losses forecast model inputs | 1.80% | 2.10% | 3.40% |