Other Earning Assets (Schedule Of Investments in Federal Reserve Bank Stock And Federal Home Loan Bank Stock) (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Federal Home Loan Bank Stock and Federal Reserve Bank Stock [Abstract] | ||
| Federal Reserve Bank Stock | $ 492 | $ 492 |
| Federal Home Loan Bank Stock | $ 104 | $ 140 |