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Derivative And Credit-Related Financial Instruments (Narrative) (Details) - USD ($) shares in Thousands, $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Cash received as collateral for derivative assets | $ 268 |  |
Fair value of securities pledged as collateral for derivative assets | 18 |  |
Cash posted as collateral for derivative liabilities | 5 |  |
Net cash flow hedge income (loss) included in interest and fees on loans | (119) | $ 22 |
Price alignment income | 8 | $ 0 |
Allowance for credit losses on lending-related commitments | 52 |  | $ 51
Allowance for credit losses on lending-related commitments, amount related to unused commitments to extend credit | $ 49 |  | 44
Final year of expiration for outstanding letters of credit | 2033 |  |
Risk participation agreements covering standby and commercial letters of credit | $ 95 |  | 107
Standby and commercial letters of credit | 3,600 |  | 3,800
Carrying value of standby and commercial letters of credit included in accrued expenses and other liabilities | 34 |  | 35
Deferred fees on standby and commercial letters of credit included in accrued expenses and other liabilities | 31 |  | 28
Allowance for credit losses on lending-related commitments, amount related to standby and commercial letters of credit | 3 |  | 7
Notional amount of derivative credit risk participation agreements | 864 |  | 951
Maximum estimated exposure to credit risk participation agreements assuming 100% default | $ 1 |  | 0
Weighted average remaining maturity of credit risk participation agreements (in years) | 3 years 10 months 24 days |  |
Other financial derivative | Visa Class B |  |  |
Derivative, underlying investment (in shares) | 780 |  |
Recurring |  |  |
Fair value of derivative liability | $ 1,573 |  | 1,799
Level 3 | Recurring |  |  |
Fair value of derivative liability | 12 |  | 12
Level 3 | Recurring | Other financial derivative |  |  |
Fair value of derivative liability | $ 12 |  | $ 12

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