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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 |

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