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Loans and Leases - Loan Modifications to Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Balance | $ 47 | $ 0
% of Total Class | 0.10% | 0.00%
Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Balance | $ 246 | $ 123
% of Total Class | 0.40% | 0.20%
Principal Forgiveness |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Balance | $ 0 | $ 0
% of Total Class | 0.00% | 0.00%
Combination - Term Extension and Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Balance | $ 34 | $ 3
% of Total Class | 0.10% | 0.00%
Commercial: | Commercial real estate | Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Balance | $ 47 | $ 0
% of Total Class | 0.30% | 0.00%
Commercial: | Commercial real estate | Interest Rate Reduction | Maximum |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average interest rate of loans | 7.61% |
Commercial: | Commercial real estate | Interest Rate Reduction | Minimum |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average interest rate of loans | 6.96% |
Commercial: | Commercial real estate | Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Balance | $ 124 | $ 28
% of Total Class | 0.90% | 0.20%
Weighted average life of loans | 1 year 3 months 18 days | 2 years 4 months 24 days
Commercial: | Commercial real estate | Combination - Term Extension and Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Balance | $ 33 | $ 0
% of Total Class | 0.20% | 0.00%
Weighted average life of loans | 2 years |
Commercial: | Commercial real estate | Combination - Term Extension and Interest Rate Reduction | Maximum |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average interest rate of loans | 7.78% |
Commercial: | Commercial real estate | Combination - Term Extension and Interest Rate Reduction | Minimum |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average interest rate of loans | 6.82% |
Commercial: | Commercial and industrial | Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Balance | $ 122 | $ 95
% of Total Class | 0.40% | 0.30%
Weighted average life of loans | 1 year 1 month 6 days | 1 year 2 months 12 days
Commercial: | Commercial and industrial | Combination - Term Extension and Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Balance | $ 0 | $ 0
% of Total Class | 0.00% | 0.00%
Weighted average life of loans | 1 year 2 months 12 days |
Commercial: | Commercial and industrial | Combination - Term Extension and Interest Rate Reduction | Maximum |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average interest rate of loans | 9.19% |
Commercial: | Commercial and industrial | Combination - Term Extension and Interest Rate Reduction | Minimum |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average interest rate of loans | 8.17% |
Consumer: | Consumer Real Estate | Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Balance | $ 0 | $ 0
% of Total Class | 0.00% | 0.00%
Consumer: | Consumer Real Estate | Interest Rate Reduction | Maximum |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average interest rate of loans | 11.10% | 9.87%
Consumer: | Consumer Real Estate | Interest Rate Reduction | Minimum |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average interest rate of loans | 6.58% | 6.52%
Consumer: | Consumer Real Estate | Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Balance | $ 0 | $ 0
% of Total Class | 0.00% | 0.00%
Weighted average life of loans |  | 22 years
Consumer: | Consumer Real Estate | Principal Forgiveness |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Balance | $ 0 | $ 0
% of Total Class | 0.00% | 0.00%
Decrease from loan modification (less than) | $ 1 | $ 1
Consumer: | Consumer Real Estate | Combination - Term Extension and Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Balance | $ 1 | $ 3
% of Total Class | 0.00% | 0.00%
Weighted average life of loans | 11 years 2 months 12 days | 10 years 9 months 18 days
Consumer: | Consumer Real Estate | Combination - Term Extension and Interest Rate Reduction | Maximum |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average interest rate of loans | 8.43% | 8.39%
Consumer: | Consumer Real Estate | Combination - Term Extension and Interest Rate Reduction | Minimum |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average interest rate of loans | 4.35% | 3.67%
Consumer: | Credit Card and Other | Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Balance | $ 0 | $ 0
% of Total Class | 0.00% | 0.00%
Consumer: | Credit Card and Other | Interest Rate Reduction | Maximum |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average interest rate of loans | 17.36% | 5.77%
Consumer: | Credit Card and Other | Interest Rate Reduction | Minimum |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average interest rate of loans | 0.00% | 4.41%

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