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Loans and Leases - Accruing And Non-Accruing Loans By Class (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | $ 57,648 | $ 54,436
Total accruing | 57,786 | 54,584
Current, non-accruing | 160 | 182
Total non-accruing | 316 | 275
Loans and leases | 58,102 | 54,859
30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 105 | 108
Past due, non-accruing | 19 | 7
90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 33 | 40
Past due, non-accruing | 137 | 86
Commercial | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 31,567 | 30,885
Total accruing | 31,628 | 30,943
Current, non-accruing | 64 | 97
Total non-accruing | 153 | 125
Loans and leases | 31,781 | 31,068
Commercial | Commercial and industrial | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 50 | 53
Past due, non-accruing | 10 | 1
Commercial | Commercial and industrial | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 11 | 5
Past due, non-accruing | 79 | 27
Commercial | Commercial and industrial | C&I |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 29,309 | 26,367
Total accruing | 29,370 | 26,425
Current, non-accruing | 64 | 97
Total non-accruing | 153 | 125
Loans and leases | 29,523 | 26,550
Nonaccrual, no allowance | 147 | 99
Commercial | Commercial and industrial | C&I | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 50 | 53
Past due, non-accruing | 10 | 1
Commercial | Commercial and industrial | C&I | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 11 | 5
Past due, non-accruing | 79 | 27
Commercial | Commercial and industrial | Loans to mortgage companies |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 2,258 | 4,518
Total accruing | 2,258 | 4,518
Current, non-accruing | 0 | 0
Total non-accruing | 0 | 0
Loans and leases | 2,258 | 4,518
Commercial | Commercial and industrial | Loans to mortgage companies | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 0 | 0
Past due, non-accruing | 0 | 0
Commercial | Commercial and industrial | Loans to mortgage companies | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 0 | 0
Past due, non-accruing | 0 | 0
Commercial | Commercial and industrial | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual, no allowance | 5 | 5
Commercial | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 13,228 | 12,109
Commercial | Commercial real estate | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 13,208 | 12,087
Total accruing | 13,219 | 12,100
Current, non-accruing | 7 | 6
Total non-accruing | 9 | 9
Loans and leases | 13,228 | 12,109
Commercial | Commercial real estate | CRE | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 11 | 13
Past due, non-accruing | 0 | 1
Commercial | Commercial real estate | CRE | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 0 | 0
Past due, non-accruing | 2 | 2
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 12,253 | 10,772
Consumer | Consumer real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 12,046 | 10,564
Total accruing | 12,101 | 10,634
Current, non-accruing | 88 | 78
Total non-accruing | 152 | 138
Loans and leases | 12,253 | 10,772
Consumer | Consumer real estate | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 37 | 37
Past due, non-accruing | 9 | 5
Consumer | Consumer real estate | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 18 | 33
Past due, non-accruing | 55 | 55
Consumer | Consumer real estate | HELOC |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 1,967 | 1,906
Total accruing | 1,984 | 1,919
Current, non-accruing | 32 | 34
Total non-accruing | 44 | 45
Loans and leases | 2,028 | 1,964
Nonaccrual, no allowance | 5 | 7
Consumer | Consumer real estate | HELOC | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 12 | 7
Past due, non-accruing | 4 | 2
Consumer | Consumer real estate | HELOC | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 5 | 6
Past due, non-accruing | 8 | 9
Consumer | Consumer real estate | Real estate installment loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 10,079 | 8,658
Total accruing | 10,117 | 8,715
Current, non-accruing | 56 | 44
Total non-accruing | 108 | 93
Loans and leases | 10,225 | 8,808
Nonaccrual, no allowance | 7 | 50
Consumer | Consumer real estate | Real estate installment loans | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 25 | 30
Past due, non-accruing | 5 | 3
Consumer | Consumer real estate | Real estate installment loans | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 13 | 27
Past due, non-accruing | 47 | 46
Consumer | Credit Card and Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 827 | 900
Total accruing | 838 | 907
Current, non-accruing | 1 | 1
Total non-accruing | 2 | 3
Loans and leases | 840 | 910
Consumer | Credit Card and Other | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 7 | 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 | 4 | 2
Past due, non-accruing | 1 | 2
Consumer | Credit Card and Other | Credit card |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 287 | 292
Total accruing | 296 | 296
Current, non-accruing | 0 | 0
Total non-accruing | 0 | 0
Loans and leases | 296 | 296
Consumer | Credit Card and Other | Credit card | 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 5 | 2
Past due, non-accruing | 0 | 0
Consumer | Credit Card and Other | Credit card | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 4 | 2
Past due, non-accruing | 0 | 0
Consumer | Credit Card and Other | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current, accruing | 540 | 608
Total accruing | 542 | 611
Current, non-accruing | 1 | 1
Total non-accruing | 2 | 3
Loans and leases | 544 | 614
Consumer | Credit Card and Other | 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
Consumer | Credit Card and Other | Other | 90+ Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past due, accruing | 0 | 0
Past due, non-accruing | $ 1 | $ 2

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