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Fair Value Measurements (Schedule Of Carrying Amounts And Estimated Fair Values Of Financial Instruments) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Financial Assets |  |
Debt securities held to maturity | $ 716 | $ 751
Debt securities available for sale | 28,104 | 27,933
Other earning assets | 1,417 | 1,308
Derivative Assets | 76 | 105
Financial Liabilities |  |
Derivative Liabilities | 1,131 | 1,453
Fair value Discount On Loan Portfolio Amount | $ (3,800) | $ (4,500)
Fair value Discount On Loan Portfolio Rate | 4.00% | 4.80%
Capital Leases Carrying Amount Excluded | $ 1,700 | $ 1,500
Carrying Amount [Member] |  |
Financial Assets |  |
Cash and cash equivalents | 6,801 | 11,227
Debt securities held to maturity | 754 | 801
Debt securities available for sale | 28,104 | 27,933
Loans held for sale | 400 | 354
Loans (excluding leases), net of unearned income and allowance for loan losses | 95,141 | 94,044
Other earning assets | 1,417 | 1,308
Derivative Assets | 2,105 | 2,609
Financial Liabilities |  |
Derivative Liabilities | 2,691 | 3,378
Deposits with no stated maturity, Fair Value Disclosure | 112,816 | 125,971
Time deposits. fair value disclosure | 14,972 | 5,772
Long-term Borrowings | 2,330 | 2,284
Loan commitments and letters of credit | 156 | 153
Estimate of Fair Value [Member] |  |
Financial Assets |  |
Cash and cash equivalents | 6,801 | 11,227
Debt securities held to maturity | 716 | 751
Debt securities available for sale | 28,104 | 27,933
Loans held for sale | 400 | 354
Loans (excluding leases), net of unearned income and allowance for loan losses | 91,352 | 89,540
Other earning assets | 1,417 | 1,308
Derivative Assets | 2,105 | 2,609
Financial Liabilities |  |
Derivative Liabilities | 2,691 | 3,378
Deposits with no stated maturity, Fair Value Disclosure | 112,816 | 125,971
Time deposits. fair value disclosure | 14,905 | 5,697
Long-term Borrowings | 2,319 | 2,376
Loan commitments and letters of credit | 156 | 153
Level 1 [Member] |  |
Financial Assets |  |
Cash and cash equivalents | 6,801 | 11,227
Debt securities held to maturity | 0 | 0
Debt securities available for sale | 1,223 | 1,187
Loans held for sale | 0 | 0
Loans (excluding leases), net of unearned income and allowance for loan losses | 0 | 0
Other earning assets | 813 | 529
Derivative Assets | 0 | 3
Financial Liabilities |  |
Derivative Liabilities | 0 | 2
Deposits with no stated maturity, Fair Value Disclosure | 0 | 0
Time deposits. fair value disclosure | 0 | 0
Long-term Borrowings | 0 | 0
Loan commitments and letters of credit | 0 | 0
Level 2 [Member] |  |
Financial Assets |  |
Cash and cash equivalents | 0 | 0
Debt securities held to maturity | 716 | 751
Debt securities available for sale | 26,880 | 26,744
Loans held for sale | 397 | 335
Loans (excluding leases), net of unearned income and allowance for loan losses | 0 | 0
Other earning assets | 604 | 779
Derivative Assets | 2,101 | 2,603
Financial Liabilities |  |
Derivative Liabilities | 2,690 | 3,375
Deposits with no stated maturity, Fair Value Disclosure | 112,816 | 125,971
Time deposits. fair value disclosure | 14,905 | 5,697
Long-term Borrowings | 2,318 | 2,375
Loan commitments and letters of credit | 0 | 0
Level 3 [Member] |  |
Financial Assets |  |
Cash and cash equivalents | 0 | 0
Debt securities held to maturity | 0 | 0
Debt securities available for sale | 1 | 2
Loans held for sale | 3 | 19
Loans (excluding leases), net of unearned income and allowance for loan losses | 91,352 | 89,540
Other earning assets | 0 | 0
Derivative Assets | 4 | 3
Financial Liabilities |  |
Derivative Liabilities | 1 | 1
Deposits with no stated maturity, Fair Value Disclosure | 0 | 0
Time deposits. fair value disclosure | 0 | 0
Long-term Borrowings | 1 | 1
Loan commitments and letters of credit | $ 156 | $ 153

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Data Type: | na
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