v3.25.4
Fair Value Measurements (Schedule Of Carrying Amounts And Estimated Fair Values Of Financial Instruments) (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Financial Assets    
Debt securities held to maturity $ 5,584 $ 4,226
Other earning assets 1,703 1,616
Financial Liabilities    
Fair value Discount On Loan Portfolio Amount $ (1,900) $ (3,500)
Fair value Discount On Loan Portfolio Rate 2.10% 3.80%
Capital Leases Carrying Amount Excluded $ 1,500 $ 1,700
Carrying Amount [Member]    
Financial Assets    
Cash and cash equivalents 10,907 10,712
Debt securities held to maturity 5,606 4,427
Loans held for sale 221 360
Loans (excluding leases), net of unearned income and allowance for loan losses 92,595 93,424
Other earning assets 757 797
Financial Liabilities    
Deposits with no stated maturity, Fair Value Disclosure 117,240 111,883
Time deposits. fair value disclosure 13,888 15,720
Short-term Borrowings 750 500
Long-term Borrowings 4,134 5,993
Loan commitments and letters of credit 164 149
Estimate of Fair Value [Member]    
Financial Assets    
Cash and cash equivalents 10,907 10,712
Debt securities held to maturity 5,584 4,226
Loans held for sale 221 360
Loans (excluding leases), net of unearned income and allowance for loan losses 90,667 89,907
Other earning assets 757 797
Financial Liabilities    
Deposits with no stated maturity, Fair Value Disclosure 117,240 111,883
Time deposits. fair value disclosure 13,874 15,694
Short-term Borrowings 750 500
Long-term Borrowings 4,309 6,059
Loan commitments and letters of credit 164 149
Level 1 [Member]    
Financial Assets    
Cash and cash equivalents 10,907 10,712
Debt securities held to maturity 0 0
Loans held for sale 0 0
Loans (excluding leases), net of unearned income and allowance for loan losses 0 0
Other earning assets 0
Financial Liabilities    
Deposits with no stated maturity, Fair Value Disclosure 0 0
Time deposits. fair value disclosure 0 0
Short-term Borrowings 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 5,584 4,226
Loans held for sale 221 360
Loans (excluding leases), net of unearned income and allowance for loan losses 0 0
Other earning assets 757 797
Financial Liabilities    
Deposits with no stated maturity, Fair Value Disclosure 117,240 111,883
Time deposits. fair value disclosure 13,874 15,694
Short-term Borrowings 750 500
Long-term Borrowings 4,308 6,058
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
Loans held for sale 0 0
Loans (excluding leases), net of unearned income and allowance for loan losses 90,667 89,907
Other earning assets 0 0
Financial Liabilities    
Deposits with no stated maturity, Fair Value Disclosure 0 0
Time deposits. fair value disclosure 0 0
Short-term Borrowings 0 0
Long-term Borrowings 1 1
Loan commitments and letters of credit $ 164 $ 149