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Loans and Leases - Accruing and Non-Accruing Loans by Class (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | $ 61,774 | $ 60,724
Total Accruing | 61,867 | 60,830
Current, non-accruing | 333 | 228
Total Non- Accruing | 578 | 462
Loans and leases | 62,445 | 61,292
30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 76 | 85
Past due, non-accruing | 36 | 30
90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 17 | 21
Past due, non-accruing | 209 | 204
Commercial: | Commercial, financial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 32,873 | 32,416
Total Accruing | 32,902 | 32,449
Current, non-accruing | 102 | 113
Total Non- Accruing | 190 | 184
Loans and leases | 33,092 | 32,633
Commercial: | Commercial, financial and industrial | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 28 | 32
Past due, non-accruing | 24 | 18
Commercial: | Commercial, financial and industrial | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 1 | 1
Past due, non-accruing | 64 | 53
Commercial: | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 14,705 | 14,216
Commercial: | Credit Card and Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 184 | 180
Consumer: |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 13,961 | 13,650
Consumer: | Consumer Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 13,781 | 13,453
Total Accruing | 13,833 | 13,510
Current, non-accruing | 50 | 73
Total Non- Accruing | 128 | 140
Loans and leases | 13,961 | 13,650
Consumer: | Consumer Real Estate | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 39 | 40
Past due, non-accruing | 12 | 12
Consumer: | Consumer Real Estate | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 13 | 17
Past due, non-accruing | 66 | 55
Consumer: | Credit Card and Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 679 | 783
Total Accruing | 686 | 791
Current, non-accruing | 0 | 1
Total Non- Accruing | 1 | 2
Loans and leases | 687 | 793
Consumer: | Credit Card and Other | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 4 | 5
Past due, non-accruing | 0 | 0
Consumer: | Credit Card and Other | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 3 | 3
Past due, non-accruing | 1 | 1
General C I | Commercial: | Commercial, financial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 29,629 | 30,398
Total Accruing | 29,658 | 30,430
Current, non-accruing | 102 | 108
Total Non- Accruing | 190 | 179
Loans and leases | 29,848 | 30,609
Nonaccrual, no allowance | 175 | 178
General C I | Commercial: | Commercial, financial and industrial | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 28 | 31
Past due, non-accruing | 24 | 18
General C I | Commercial: | Commercial, financial and industrial | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 1 | 1
Past due, non-accruing | 64 | 53
Loans to mortgage companies | Commercial: | Commercial, financial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 3,244 | 2,018
Total Accruing | 3,244 | 2,019
Current, non-accruing | 0 | 5
Total Non- Accruing | 0 | 5
Loans and leases | 3,244 | 2,024
Loans to mortgage companies | Commercial: | Commercial, financial and industrial | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 0 | 1
Past due, non-accruing | 0 | 0
Loans to mortgage companies | Commercial: | Commercial, financial and industrial | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 0 | 0
Past due, non-accruing | 0 | 0
Commercial Real Estate | Commercial: | Commercial, financial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual, no allowance | 253 | 129
Commercial Real Estate | Commercial: | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 14,705 | 14,216
Commercial Real Estate | Commercial real estate | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 14,441 | 14,072
Total Accruing | 14,446 | 14,080
Current, non-accruing | 181 | 41
Total Non- Accruing | 259 | 136
Loans and leases | 14,705 | 14,216
Commercial Real Estate | Commercial real estate | Commercial real estate | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 5 | 8
Past due, non-accruing | 0 | 0
Commercial Real Estate | Commercial real estate | Commercial real estate | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 0 | 0
Past due, non-accruing | 78 | 95
Home Equity Line of Credit | Consumer: | Consumer Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 2,038 | 2,158
Total Accruing | 2,051 | 2,173
Current, non-accruing | 20 | 30
Total Non- Accruing | 34 | 46
Loans and leases | 2,085 | 2,219
Nonaccrual, no allowance | 3 | 4
Home Equity Line of Credit | Consumer: | Consumer Real Estate | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 10 | 11
Past due, non-accruing | 5 | 6
Home Equity Line of Credit | Consumer: | Consumer Real Estate | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 3 | 4
Past due, non-accruing | 9 | 10
R E Installment Loans | Consumer: | Consumer Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 11,743 | 11,295
Total Accruing | 11,782 | 11,337
Current, non-accruing | 30 | 43
Total Non- Accruing | 94 | 94
Loans and leases | 11,876 | 11,431
Nonaccrual, no allowance | 9 | 10
R E Installment Loans | Consumer: | Consumer Real Estate | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 29 | 29
Past due, non-accruing | 7 | 6
R E Installment Loans | Consumer: | Consumer Real Estate | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 10 | 13
Past due, non-accruing | 57 | 45
Credit card | Consumer: | Credit Card and Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 268 | 271
Total Accruing | 273 | 277
Current, non-accruing | 0 | 0
Total Non- Accruing | 0 | 0
Loans and leases | 273 | 277
Credit card | Consumer: | Credit Card and Other | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 2 | 3
Past due, non-accruing | 0 | 0
Credit card | Consumer: | Credit Card and Other | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 3 | 3
Past due, non-accruing | 0 | 0
Other | Consumer: | Credit Card and Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 411 | 512
Total Accruing | 413 | 514
Current, non-accruing | 0 | 1
Total Non- Accruing | 1 | 2
Loans and leases | 414 | 516
Other | Consumer: | Credit Card and Other | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 2 | 2
Past due, non-accruing | 0 | 0
Other | Consumer: | Credit Card and Other | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 0 | 0
Past due, non-accruing | $ 1 | $ 1

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