v3.25.2
Credit Quality And Allowance For Credit Losses (Narrative) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Financing Receivable, Past Due [Line Items]          
Interest income $ 1 $ 1 $ 2 $ 2  
Loan interest receivable 259   259   $ 266
Real Estate Acquired Through Foreclosure 3   3   4
Commitments to lend additional funds to TDR borrowers 0   0   $ 0
Subsequent default during period $ 5 $ 0 $ 5 $ 3  
Payment Delay          
Financing Receivable, Past Due [Line Items]          
Minimum period loan terms were extended 90 days 90 days 90 days 90 days  
Interest Rate Reduction          
Financing Receivable, Past Due [Line Items]          
Minimum period loan terms were extended 90 days 90 days 90 days 90 days