v3.26.1
Fair Value Measurements (Quantitative Information About Level 3 Fair Value Measurements For Certain Financial Assets) (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Collateral-dependent | Minimum [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Quantitative information about Level 3 Fair Value Measurements 6.00% 6.00%
Collateral-dependent | Maximum [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Quantitative information about Level 3 Fair Value Measurements 39.00% 40.00%
Collateral-dependent | Measurement Input Discount For Selling Costs    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Quantitative information about Level 3 Fair Value Measurements [1] 23.00% 9.00%
Repossessed assets    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Quantitative information about Level 3 Fair Value Measurements   10.00%
Repossessed assets | Measurement Input Discount For Selling Costs    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Quantitative information about Level 3 Fair Value Measurements [1]   10.00%
[1] Weighted based on the relative fair value of the specific items measured at fair value.