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Credit Quality And Allowance For Credit Losses (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Loan Interest Receivable | $ 313 | $ 261 |
Financing Receivable, Nonaccrual, Interest Income | 9 | 12 | $ 11
Commitments to lend additional funds to TDR borrowers | 0 |  |
Financial Receivable, Troubled Debt Restructuring, Other-than-Insignificant Payment Delays | 6 |  |
Foreclosed property | $ 0 | $ 0 |
Payment Delay |  |  |
Minimum period loan terms were extended | 90 days | 90 days |
Subsequent default during period | $ 0 | $ 6 |
Interest Rate Reductions |  |  |
Minimum period loan terms were extended | 90 days | 90 days |
Subsequent default during period | $ 0 | $ 0 |

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